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commit 3ea172c84dc5a88f4fa7316311857f5878bcf777
parent 01aa9d518eae8a4d75cd3049defc6ed0b6d0a658
Author: Linus Torvalds <torvalds@linux-foundation.org>
Date:   Thu, 25 Oct 2018 06:19:15 -0700

Merge tag 'mfd-next-4.20' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd

Pull MFD updates from Lee Jones:
 "New Drivers
   - Add support for USART SPI to AT91*

  New Functionality
   - Add support for Audio CODECs to motorola-cpcap

  Fix-ups
   - DT documentation fix-ups; atmel-usart
   - Staticise functions/structs; spi-at91-usart, arizona-core
   - Constify; ti-lmu
   - Fix memory leaks; menelaus
   - Change device 'wake-up' status; ti_am335x_tscadc, max8997
   - Power Management (suspend/resume) semantic changes; ti_am335x_adc, cros_ec, max8997
   - SPDX churn; sec-core (+ headers), max* (+ headers), intel* (+ headers),
   - Trivial (whitespace, email addresses, alphabetisise); Kconfig, adp5520, intel_soc_pmic_*
   - Build as module; sec-irq
   - Use new %pOFn printk format for device_node.name; max77620
   - Remove unused code; madera
   - Use generic MACROs; intel_msic, intel_soc_pmic_crc
   - Move to GPIOD; ti-lmu
   - Use managed resources; ti-lmu

  Bug Fixes
   - Add missing headers; at91-usart
   - Prevent device from entering low-power mode; arizona-core
   - Poll for BOOT_DONE to avoid still-booting NACK; madera-core
   - Prevent ADC read from shutting down device; mc13xxx-core"

* tag 'mfd-next-4.20' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd: (45 commits)
  mfd: cros_ec: Avoid unneeded internal declaration warning
  mfd: ti-lmu: Use of_device_get_match_data() helper
  mfd: ti-lmu: Use managed resource for everything
  mfd: ti-lmu: Switch to GPIOD
  mfd: ti-lmu: constify mfd_cell tables
  mfd: max8997: Disable interrupt handling for suspend/resume cycle
  mfd: max8997: Enale irq-wakeup unconditionally
  mfd: arizona: Make array mclk_name static, shrinks object size
  MAINTAINERS: Add myself as designated reviewer of Intel MFD PMIC
  mfd: Convert Intel PMIC drivers to use SPDX identifier 1;5201;0c Reduce size of duplicated comments by switching to use SPDX identifier.
  mfd: Sort headers alphabetically for Intel PMIC drivers
  mfd: intel_soc_pmic_bxtwc: Chain power button IRQs as well
  mfd: intel_soc_pmic_crc: Use REGMAP_IRQ_REG() macro
  mfd: intel_soc_pmic_crc: Use DEFINE_RES_IRQ_NAMED() macro
  mfd: intel_msic: Use DEFINE_RES_IRQ() macro
  mfd: motorola-cpcap: Add audio-codec support
  mfd: mc13xxx-core: Fix PMIC shutdown when reading ADC values
  mfd: madera: Remove unused forward reference
  mfd: max77620: Convert to using %pOFn instead of device_node.name
  mfd: madera: Don't use regmap_read_poll_timeout to poll for BOOT_DONE
  ...

Diffstat:
ADocumentation/devicetree/bindings/mfd/atmel-usart.txt | 85+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
DDocumentation/devicetree/bindings/serial/atmel-usart.txt | 64----------------------------------------------------------------
MMAINTAINERS | 24++++++++++++++++++++++++
Mdrivers/iio/adc/ti_am335x_adc.c | 12++++--------
Mdrivers/input/touchscreen/ti_am335x_tsc.c | 22+++++++++++++++++-----
Mdrivers/mfd/Kconfig | 26+++++++++++++++++++++-----
Mdrivers/mfd/Makefile | 1+
Mdrivers/mfd/adp5520.c | 2+-
Mdrivers/mfd/arizona-core.c | 10+++++-----
Adrivers/mfd/at91-usart.c | 72++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
Mdrivers/mfd/cros_ec.c | 3++-
Mdrivers/mfd/cros_ec_dev.c | 1+
Mdrivers/mfd/intel_msic.c | 49+++++++++++--------------------------------------
Mdrivers/mfd/intel_soc_pmic_bxtwc.c | 56+++++++++++++++++++++++++++++++++++---------------------
Mdrivers/mfd/intel_soc_pmic_chtdc_ti.c | 5+----
Mdrivers/mfd/intel_soc_pmic_chtwc.c | 5+----
Mdrivers/mfd/intel_soc_pmic_core.c | 25+++++++++----------------
Mdrivers/mfd/intel_soc_pmic_core.h | 12++----------
Mdrivers/mfd/intel_soc_pmic_crc.c | 78++++++++++++++++--------------------------------------------------------------
Mdrivers/mfd/madera-core.c | 33++++++++++++++++++++-------------
Mdrivers/mfd/max14577.c | 28+++++++++-------------------
Mdrivers/mfd/max77620.c | 2+-
Mdrivers/mfd/max77686.c | 32+++++++++-----------------------
Mdrivers/mfd/max77693.c | 34++++++++++------------------------
Mdrivers/mfd/max77843.c | 19+++++++------------
Mdrivers/mfd/max8997-irq.c | 30++++++++----------------------
Mdrivers/mfd/max8997.c | 40+++++++++++-----------------------------
Mdrivers/mfd/max8998-irq.c | 18++++++------------
Mdrivers/mfd/max8998.c | 28+++++++---------------------
Mdrivers/mfd/mc13xxx-core.c | 3++-
Mdrivers/mfd/menelaus.c | 13+++++++++----
Mdrivers/mfd/motorola-cpcap.c | 51++++++++++++++++++++++++++++++++++++++++++++++++++-
Mdrivers/mfd/sec-core.c | 16++++------------
Mdrivers/mfd/sec-irq.c | 24++++++++++++------------
Mdrivers/mfd/ti-lmu.c | 91+++++++++++++++++++++++++++++++++++--------------------------------------------
Mdrivers/mfd/ti_am335x_tscadc.c | 14+++++++++++++-
Mdrivers/spi/Kconfig | 8++++++++
Mdrivers/spi/Makefile | 1+
Adrivers/spi/spi-at91-usart.c | 432+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
Mdrivers/tty/serial/Kconfig | 1+
Mdrivers/tty/serial/atmel_serial.c | 42+++++++++++++++++++++++++++---------------
Ainclude/dt-bindings/mfd/at91-usart.h | 17+++++++++++++++++
Ainclude/linux/mfd/ingenic-tcu.h | 56++++++++++++++++++++++++++++++++++++++++++++++++++++++++
Minclude/linux/mfd/intel_msic.h | 7++-----
Minclude/linux/mfd/intel_soc_pmic.h | 13+++----------
Minclude/linux/mfd/intel_soc_pmic_bxtwc.h | 10+---------
Minclude/linux/mfd/madera/core.h | 2++
Minclude/linux/mfd/madera/pdata.h | 1-
Minclude/linux/mfd/max14577-private.h | 11+----------
Minclude/linux/mfd/max14577.h | 11+----------
Minclude/linux/mfd/max77686-private.h | 15+--------------
Minclude/linux/mfd/max77686.h | 15+--------------
Minclude/linux/mfd/max77693-common.h | 6+-----
Minclude/linux/mfd/max77693-private.h | 15+--------------
Minclude/linux/mfd/max77693.h | 15+--------------
Minclude/linux/mfd/max77843-private.h | 6+-----
Minclude/linux/mfd/max8997-private.h | 15+--------------
Minclude/linux/mfd/max8997.h | 16+---------------
Minclude/linux/mfd/max8998-private.h | 15+--------------
Minclude/linux/mfd/max8998.h | 15+--------------
Minclude/linux/mfd/mc13xxx.h | 1+
Minclude/linux/mfd/samsung/core.h | 11++---------
Minclude/linux/mfd/samsung/irq.h | 10++--------
Minclude/linux/mfd/samsung/rtc.h | 15++-------------
Minclude/linux/mfd/samsung/s2mpa01.h | 7+------
Minclude/linux/mfd/samsung/s2mps11.h | 9+--------
Minclude/linux/mfd/samsung/s2mps13.h | 14+-------------
Minclude/linux/mfd/samsung/s2mps14.h | 14+-------------
Minclude/linux/mfd/samsung/s2mps15.h | 11+----------
Minclude/linux/mfd/samsung/s2mpu02.h | 14+-------------
Minclude/linux/mfd/samsung/s5m8763.h | 10++--------
Minclude/linux/mfd/samsung/s5m8767.h | 10++--------
Minclude/linux/mfd/ti-lmu.h | 3++-
73 files changed, 1107 insertions(+), 795 deletions(-)

diff --git a/Documentation/devicetree/bindings/mfd/atmel-usart.txt b/Documentation/devicetree/bindings/mfd/atmel-usart.txt @@ -0,0 +1,85 @@ +* Atmel Universal Synchronous Asynchronous Receiver/Transmitter (USART) + +Required properties for USART: +- compatible: Should be "atmel,<chip>-usart" or "atmel,<chip>-dbgu" + The compatible <chip> indicated will be the first SoC to support an + additional mode or an USART new feature. + For the dbgu UART, use "atmel,<chip>-dbgu", "atmel,<chip>-usart" +- reg: Should contain registers location and length +- interrupts: Should contain interrupt +- clock-names: tuple listing input clock names. + Required elements: "usart" +- clocks: phandles to input clocks. + +Required properties for USART in SPI mode: +- #size-cells : Must be <0> +- #address-cells : Must be <1> +- cs-gpios: chipselects (internal cs not supported) +- atmel,usart-mode : Must be <AT91_USART_MODE_SPI> (found in dt-bindings/mfd/at91-usart.h) + +Optional properties in serial mode: +- atmel,use-dma-rx: use of PDC or DMA for receiving data +- atmel,use-dma-tx: use of PDC or DMA for transmitting data +- {rts,cts,dtr,dsr,rng,dcd}-gpios: specify a GPIO for RTS/CTS/DTR/DSR/RI/DCD line respectively. + It will use specified PIO instead of the peripheral function pin for the USART feature. + If unsure, don't specify this property. +- add dma bindings for dma transfer: + - dmas: DMA specifier, consisting of a phandle to DMA controller node, + memory peripheral interface and USART DMA channel ID, FIFO configuration. + Refer to dma.txt and atmel-dma.txt for details. + - dma-names: "rx" for RX channel, "tx" for TX channel. +- atmel,fifo-size: maximum number of data the RX and TX FIFOs can store for FIFO + capable USARTs. +- rs485-rts-delay, rs485-rx-during-tx, linux,rs485-enabled-at-boot-time: see rs485.txt + +<chip> compatible description: +- at91rm9200: legacy USART support +- at91sam9260: generic USART implementation for SAM9 SoCs + +Example: +- use PDC: + usart0: serial@fff8c000 { + compatible = "atmel,at91sam9260-usart"; + reg = <0xfff8c000 0x4000>; + interrupts = <7>; + clocks = <&usart0_clk>; + clock-names = "usart"; + atmel,use-dma-rx; + atmel,use-dma-tx; + rts-gpios = <&pioD 15 GPIO_ACTIVE_LOW>; + cts-gpios = <&pioD 16 GPIO_ACTIVE_LOW>; + dtr-gpios = <&pioD 17 GPIO_ACTIVE_LOW>; + dsr-gpios = <&pioD 18 GPIO_ACTIVE_LOW>; + dcd-gpios = <&pioD 20 GPIO_ACTIVE_LOW>; + rng-gpios = <&pioD 19 GPIO_ACTIVE_LOW>; + }; + +- use DMA: + usart0: serial@f001c000 { + compatible = "atmel,at91sam9260-usart"; + reg = <0xf001c000 0x100>; + interrupts = <12 4 5>; + clocks = <&usart0_clk>; + clock-names = "usart"; + atmel,use-dma-rx; + atmel,use-dma-tx; + dmas = <&dma0 2 0x3>, + <&dma0 2 0x204>; + dma-names = "tx", "rx"; + atmel,fifo-size = <32>; + }; + +- SPI mode: + #include <dt-bindings/mfd/at91-usart.h> + + spi0: spi@f001c000 { + #address-cells = <1>; + #size-cells = <0>; + compatible = "atmel,at91rm9200-usart", "atmel,at91sam9260-usart"; + atmel,usart-mode = <AT91_USART_MODE_SPI>; + reg = <0xf001c000 0x100>; + interrupts = <12 IRQ_TYPE_LEVEL_HIGH 5>; + clocks = <&usart0_clk>; + clock-names = "usart"; + cs-gpios = <&pioB 3 0>; + }; diff --git a/Documentation/devicetree/bindings/serial/atmel-usart.txt b/Documentation/devicetree/bindings/serial/atmel-usart.txt @@ -1,64 +0,0 @@ -* Atmel Universal Synchronous Asynchronous Receiver/Transmitter (USART) - -Required properties: -- compatible: Should be "atmel,<chip>-usart" or "atmel,<chip>-dbgu" - The compatible <chip> indicated will be the first SoC to support an - additional mode or an USART new feature. - For the dbgu UART, use "atmel,<chip>-dbgu", "atmel,<chip>-usart" -- reg: Should contain registers location and length -- interrupts: Should contain interrupt -- clock-names: tuple listing input clock names. - Required elements: "usart" -- clocks: phandles to input clocks. - -Optional properties: -- atmel,use-dma-rx: use of PDC or DMA for receiving data -- atmel,use-dma-tx: use of PDC or DMA for transmitting data -- {rts,cts,dtr,dsr,rng,dcd}-gpios: specify a GPIO for RTS/CTS/DTR/DSR/RI/DCD line respectively. - It will use specified PIO instead of the peripheral function pin for the USART feature. - If unsure, don't specify this property. -- add dma bindings for dma transfer: - - dmas: DMA specifier, consisting of a phandle to DMA controller node, - memory peripheral interface and USART DMA channel ID, FIFO configuration. - Refer to dma.txt and atmel-dma.txt for details. - - dma-names: "rx" for RX channel, "tx" for TX channel. -- atmel,fifo-size: maximum number of data the RX and TX FIFOs can store for FIFO - capable USARTs. -- rs485-rts-delay, rs485-rx-during-tx, linux,rs485-enabled-at-boot-time: see rs485.txt - -<chip> compatible description: -- at91rm9200: legacy USART support -- at91sam9260: generic USART implementation for SAM9 SoCs - -Example: -- use PDC: - usart0: serial@fff8c000 { - compatible = "atmel,at91sam9260-usart"; - reg = <0xfff8c000 0x4000>; - interrupts = <7>; - clocks = <&usart0_clk>; - clock-names = "usart"; - atmel,use-dma-rx; - atmel,use-dma-tx; - rts-gpios = <&pioD 15 GPIO_ACTIVE_LOW>; - cts-gpios = <&pioD 16 GPIO_ACTIVE_LOW>; - dtr-gpios = <&pioD 17 GPIO_ACTIVE_LOW>; - dsr-gpios = <&pioD 18 GPIO_ACTIVE_LOW>; - dcd-gpios = <&pioD 20 GPIO_ACTIVE_LOW>; - rng-gpios = <&pioD 19 GPIO_ACTIVE_LOW>; - }; - -- use DMA: - usart0: serial@f001c000 { - compatible = "atmel,at91sam9260-usart"; - reg = <0xf001c000 0x100>; - interrupts = <12 4 5>; - clocks = <&usart0_clk>; - clock-names = "usart"; - atmel,use-dma-rx; - atmel,use-dma-tx; - dmas = <&dma0 2 0x3>, - <&dma0 2 0x204>; - dma-names = "tx", "rx"; - atmel,fifo-size = <32>; - }; diff --git a/MAINTAINERS b/MAINTAINERS @@ -7546,6 +7546,14 @@ F: drivers/platform/x86/intel_punit_ipc.c F: arch/x86/include/asm/intel_pmc_ipc.h F: arch/x86/include/asm/intel_punit_ipc.h +INTEL MULTIFUNCTION PMIC DEVICE DRIVERS +R: Andy Shevchenko <andriy.shevchenko@linux.intel.com> +S: Maintained +F: drivers/mfd/intel_msic.c +F: drivers/mfd/intel_soc_pmic* +F: include/linux/mfd/intel_msic.h +F: include/linux/mfd/intel_soc_pmic* + INTEL PRO/WIRELESS 2100, 2200BG, 2915ABG NETWORK CONNECTION SUPPORT M: Stanislav Yakovlev <stas.yakovlev@gmail.com> L: linux-wireless@vger.kernel.org @@ -9589,6 +9597,7 @@ M: Richard Genoud <richard.genoud@gmail.com> S: Maintained F: drivers/tty/serial/atmel_serial.c F: drivers/tty/serial/atmel_serial.h +F: Documentation/devicetree/bindings/mfd/atmel-usart.txt MICROCHIP / ATMEL DMA DRIVER M: Ludovic Desroches <ludovic.desroches@microchip.com> @@ -9620,6 +9629,21 @@ S: Supported F: drivers/mtd/nand/raw/atmel/* F: Documentation/devicetree/bindings/mtd/atmel-nand.txt +MICROCHIP AT91 USART MFD DRIVER +M: Radu Pirea <radu_nicolae.pirea@upb.ro> +L: linux-kernel@vger.kernel.org +S: Supported +F: drivers/mfd/at91-usart.c +F: include/dt-bindings/mfd/at91-usart.h +F: Documentation/devicetree/bindings/mfd/atmel-usart.txt + +MICROCHIP AT91 USART SPI DRIVER +M: Radu Pirea <radu_nicolae.pirea@upb.ro> +L: linux-spi@vger.kernel.org +S: Supported +F: drivers/spi/spi-at91-usart.c +F: Documentation/devicetree/bindings/mfd/atmel-usart.txt + MICROCHIP KSZ SERIES ETHERNET SWITCH DRIVER M: Woojung Huh <Woojung.Huh@microchip.com> M: Microchip Linux Driver Support <UNGLinuxDriver@microchip.com> diff --git a/drivers/iio/adc/ti_am335x_adc.c b/drivers/iio/adc/ti_am335x_adc.c @@ -693,16 +693,12 @@ static int __maybe_unused tiadc_suspend(struct device *dev) { struct iio_dev *indio_dev = dev_get_drvdata(dev); struct tiadc_device *adc_dev = iio_priv(indio_dev); - struct ti_tscadc_dev *tscadc_dev; unsigned int idle; - tscadc_dev = ti_tscadc_dev_get(to_platform_device(dev)); - if (!device_may_wakeup(tscadc_dev->dev)) { - idle = tiadc_readl(adc_dev, REG_CTRL); - idle &= ~(CNTRLREG_TSCSSENB); - tiadc_writel(adc_dev, REG_CTRL, (idle | - CNTRLREG_POWERDOWN)); - } + idle = tiadc_readl(adc_dev, REG_CTRL); + idle &= ~(CNTRLREG_TSCSSENB); + tiadc_writel(adc_dev, REG_CTRL, (idle | + CNTRLREG_POWERDOWN)); return 0; } diff --git a/drivers/input/touchscreen/ti_am335x_tsc.c b/drivers/input/touchscreen/ti_am335x_tsc.c @@ -27,6 +27,7 @@ #include <linux/of.h> #include <linux/of_device.h> #include <linux/sort.h> +#include <linux/pm_wakeirq.h> #include <linux/mfd/ti_am335x_tscadc.h> @@ -46,6 +47,7 @@ static const int config_pins[] = { struct titsc { struct input_dev *input; struct ti_tscadc_dev *mfd_tscadc; + struct device *dev; unsigned int irq; unsigned int wires; unsigned int x_plate_resistance; @@ -276,7 +278,7 @@ static irqreturn_t titsc_irq(int irq, void *dev) if (status & IRQENB_HW_PEN) { ts_dev->pen_down = true; irqclr |= IRQENB_HW_PEN; - pm_stay_awake(ts_dev->mfd_tscadc->dev); + pm_stay_awake(ts_dev->dev); } if (status & IRQENB_PENUP) { @@ -286,7 +288,7 @@ static irqreturn_t titsc_irq(int irq, void *dev) input_report_key(input_dev, BTN_TOUCH, 0); input_report_abs(input_dev, ABS_PRESSURE, 0); input_sync(input_dev); - pm_relax(ts_dev->mfd_tscadc->dev); + pm_relax(ts_dev->dev); } else { ts_dev->pen_down = true; } @@ -422,6 +424,7 @@ static int titsc_probe(struct platform_device *pdev) ts_dev->mfd_tscadc = tscadc_dev; ts_dev->input = input_dev; ts_dev->irq = tscadc_dev->irq; + ts_dev->dev = &pdev->dev; err = titsc_parse_dt(pdev, ts_dev); if (err) { @@ -436,6 +439,11 @@ static int titsc_probe(struct platform_device *pdev) goto err_free_mem; } + device_init_wakeup(&pdev->dev, true); + err = dev_pm_set_wake_irq(&pdev->dev, ts_dev->irq); + if (err) + dev_err(&pdev->dev, "irq wake enable failed.\n"); + titsc_writel(ts_dev, REG_IRQSTATUS, TSC_IRQENB_MASK); titsc_writel(ts_dev, REG_IRQENABLE, IRQENB_FIFO0THRES); titsc_writel(ts_dev, REG_IRQENABLE, IRQENB_EOS); @@ -467,6 +475,8 @@ static int titsc_probe(struct platform_device *pdev) return 0; err_free_irq: + dev_pm_clear_wake_irq(&pdev->dev); + device_init_wakeup(&pdev->dev, false); free_irq(ts_dev->irq, ts_dev); err_free_mem: input_free_device(input_dev); @@ -479,6 +489,8 @@ static int titsc_remove(struct platform_device *pdev) struct titsc *ts_dev = platform_get_drvdata(pdev); u32 steps; + dev_pm_clear_wake_irq(&pdev->dev); + device_init_wakeup(&pdev->dev, false); free_irq(ts_dev->irq, ts_dev); /* total steps followed by the enable mask */ @@ -499,7 +511,7 @@ static int __maybe_unused titsc_suspend(struct device *dev) unsigned int idle; tscadc_dev = ti_tscadc_dev_get(to_platform_device(dev)); - if (device_may_wakeup(tscadc_dev->dev)) { + if (device_may_wakeup(dev)) { titsc_writel(ts_dev, REG_IRQSTATUS, TSC_IRQENB_MASK); idle = titsc_readl(ts_dev, REG_IRQENABLE); titsc_writel(ts_dev, REG_IRQENABLE, @@ -515,11 +527,11 @@ static int __maybe_unused titsc_resume(struct device *dev) struct ti_tscadc_dev *tscadc_dev; tscadc_dev = ti_tscadc_dev_get(to_platform_device(dev)); - if (device_may_wakeup(tscadc_dev->dev)) { + if (device_may_wakeup(dev)) { titsc_writel(ts_dev, REG_IRQWAKEUP, 0x00); titsc_writel(ts_dev, REG_IRQCLR, IRQENB_HW_PEN); - pm_relax(ts_dev->mfd_tscadc->dev); + pm_relax(dev); } titsc_step_config(ts_dev); titsc_writel(ts_dev, REG_FIFO0THR, diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig @@ -99,6 +99,15 @@ config MFD_AAT2870_CORE additional drivers must be enabled in order to use the functionality of the device. +config MFD_AT91_USART + tristate "AT91 USART Driver" + select MFD_CORE + help + Select this to get support for AT91 USART IP. This is a wrapper + over at91-usart-serial driver and usart-spi-driver. Only one function + can be used at a time. The choice is done at boot time by the probe + function of this MFD driver according to a device tree property. + config MFD_ATMEL_FLEXCOM tristate "Atmel Flexcom (Flexible Serial Communication Unit)" select MFD_CORE @@ -1023,16 +1032,23 @@ config MFD_RN5T618 functionality of the device. config MFD_SEC_CORE - bool "SAMSUNG Electronics PMIC Series Support" + tristate "SAMSUNG Electronics PMIC Series Support" depends on I2C=y select MFD_CORE select REGMAP_I2C select REGMAP_IRQ help - Support for the Samsung Electronics MFD series. - This driver provides common support for accessing the device, - additional drivers must be enabled in order to use the functionality - of the device + Support for the Samsung Electronics PMIC devices coming + usually along with Samsung Exynos SoC chipset. + This driver provides common support for accessing the device, + additional drivers must be enabled in order to use the functionality + of the device + + To compile this driver as a module, choose M here: the + module will be called sec-core. + Have in mind that important core drivers (like regulators) depend + on this driver so building this as a module might require proper + initial ramdisk or might not boot up as well in certain scenarios. config MFD_SI476X_CORE tristate "Silicon Laboratories 4761/64/68 AM/FM radio." diff --git a/drivers/mfd/Makefile b/drivers/mfd/Makefile @@ -196,6 +196,7 @@ obj-$(CONFIG_MFD_SPMI_PMIC) += qcom-spmi-pmic.o obj-$(CONFIG_TPS65911_COMPARATOR) += tps65911-comparator.o obj-$(CONFIG_MFD_TPS65090) += tps65090.o obj-$(CONFIG_MFD_AAT2870_CORE) += aat2870-core.o +obj-$(CONFIG_MFD_AT91_USART) += at91-usart.o obj-$(CONFIG_MFD_ATMEL_FLEXCOM) += atmel-flexcom.o obj-$(CONFIG_MFD_ATMEL_HLCDC) += atmel-hlcdc.o obj-$(CONFIG_MFD_ATMEL_SMC) += atmel-smc.o diff --git a/drivers/mfd/adp5520.c b/drivers/mfd/adp5520.c @@ -360,6 +360,6 @@ static struct i2c_driver adp5520_driver = { module_i2c_driver(adp5520_driver); -MODULE_AUTHOR("Michael Hennerich <hennerich@blackfin.uclinux.org>"); +MODULE_AUTHOR("Michael Hennerich <michael.hennerich@analog.com>"); MODULE_DESCRIPTION("ADP5520(01) PMIC-MFD Driver"); MODULE_LICENSE("GPL"); diff --git a/drivers/mfd/arizona-core.c b/drivers/mfd/arizona-core.c @@ -52,8 +52,10 @@ int arizona_clk32k_enable(struct arizona *arizona) if (ret != 0) goto err_ref; ret = clk_prepare_enable(arizona->mclk[ARIZONA_MCLK1]); - if (ret != 0) - goto err_pm; + if (ret != 0) { + pm_runtime_put_sync(arizona->dev); + goto err_ref; + } break; case ARIZONA_32KZ_MCLK2: ret = clk_prepare_enable(arizona->mclk[ARIZONA_MCLK2]); @@ -67,8 +69,6 @@ int arizona_clk32k_enable(struct arizona *arizona) ARIZONA_CLK_32K_ENA); } -err_pm: - pm_runtime_put_sync(arizona->dev); err_ref: if (ret != 0) arizona->clk32k_ref--; @@ -990,7 +990,7 @@ static const struct mfd_cell wm8998_devs[] = { int arizona_dev_init(struct arizona *arizona) { - const char * const mclk_name[] = { "mclk1", "mclk2" }; + static const char * const mclk_name[] = { "mclk1", "mclk2" }; struct device *dev = arizona->dev; const char *type_name = NULL; unsigned int reg, val; diff --git a/drivers/mfd/at91-usart.c b/drivers/mfd/at91-usart.c @@ -0,0 +1,72 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Driver for AT91 USART + * + * Copyright (C) 2018 Microchip Technology + * + * Author: Radu Pirea <radu.pirea@microchip.com> + * + */ + +#include <dt-bindings/mfd/at91-usart.h> + +#include <linux/module.h> +#include <linux/mfd/core.h> +#include <linux/of.h> +#include <linux/property.h> + +static struct mfd_cell at91_usart_spi_subdev = { + .name = "at91_usart_spi", + .of_compatible = "microchip,at91sam9g45-usart-spi", + }; + +static struct mfd_cell at91_usart_serial_subdev = { + .name = "atmel_usart_serial", + .of_compatible = "atmel,at91rm9200-usart-serial", + }; + +static int at91_usart_mode_probe(struct platform_device *pdev) +{ + struct mfd_cell cell; + u32 opmode = AT91_USART_MODE_SERIAL; + + device_property_read_u32(&pdev->dev, "atmel,usart-mode", &opmode); + + switch (opmode) { + case AT91_USART_MODE_SPI: + cell = at91_usart_spi_subdev; + break; + case AT91_USART_MODE_SERIAL: + cell = at91_usart_serial_subdev; + break; + default: + dev_err(&pdev->dev, "atmel,usart-mode has an invalid value %u\n", + opmode); + return -EINVAL; + } + + return devm_mfd_add_devices(&pdev->dev, PLATFORM_DEVID_AUTO, &cell, 1, + NULL, 0, NULL); +} + +static const struct of_device_id at91_usart_mode_of_match[] = { + { .compatible = "atmel,at91rm9200-usart" }, + { .compatible = "atmel,at91sam9260-usart" }, + { /* sentinel */ } +}; + +MODULE_DEVICE_TABLE(of, at91_usart_mode_of_match); + +static struct platform_driver at91_usart_mfd = { + .probe = at91_usart_mode_probe, + .driver = { + .name = "at91_usart_mode", + .of_match_table = at91_usart_mode_of_match, + }, +}; + +module_platform_driver(at91_usart_mfd); + +MODULE_AUTHOR("Radu Pirea <radu.pirea@microchip.com>"); +MODULE_DESCRIPTION("AT91 USART MFD driver"); +MODULE_LICENSE("GPL v2"); diff --git a/drivers/mfd/cros_ec.c b/drivers/mfd/cros_ec.c @@ -218,7 +218,8 @@ EXPORT_SYMBOL(cros_ec_suspend); static void cros_ec_report_events_during_suspend(struct cros_ec_device *ec_dev) { - while (cros_ec_get_next_event(ec_dev, NULL) > 0) + while (ec_dev->mkbp_event_supported && + cros_ec_get_next_event(ec_dev, NULL) > 0) blocking_notifier_call_chain(&ec_dev->event_notifier, 1, ec_dev); } diff --git a/drivers/mfd/cros_ec_dev.c b/drivers/mfd/cros_ec_dev.c @@ -546,6 +546,7 @@ static struct platform_driver cros_ec_dev_driver = { .name = DRV_NAME, .pm = &cros_ec_dev_pm_ops, }, + .id_table = cros_ec_id, .probe = ec_device_probe, .remove = ec_device_remove, .shutdown = ec_device_shutdown, diff --git a/drivers/mfd/intel_msic.c b/drivers/mfd/intel_msic.c @@ -1,12 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Driver for Intel MSIC * * Copyright (C) 2011, Intel Corporation * Author: Mika Westerberg <mika.westerberg@linux.intel.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. */ #include <linux/err.h> @@ -54,68 +51,44 @@ struct intel_msic { }; static struct resource msic_touch_resources[] = { - { - .flags = IORESOURCE_IRQ, - }, + DEFINE_RES_IRQ(0), }; static struct resource msic_adc_resources[] = { - { - .flags = IORESOURCE_IRQ, - }, + DEFINE_RES_IRQ(0), }; static struct resource msic_battery_resources[] = { - { - .flags = IORESOURCE_IRQ, - }, + DEFINE_RES_IRQ(0), }; static struct resource msic_gpio_resources[] = { - { - .flags = IORESOURCE_IRQ, - }, + DEFINE_RES_IRQ(0), }; static struct resource msic_audio_resources[] = { - { - .name = "IRQ", - .flags = IORESOURCE_IRQ, - }, + DEFINE_RES_IRQ_NAMED(0, "IRQ"), /* * We will pass IRQ_BASE to the driver now but this can be removed * when/if the driver starts to use intel_msic_irq_read(). */ - { - .name = "IRQ_BASE", - .flags = IORESOURCE_MEM, - .start = MSIC_IRQ_STATUS_ACCDET, - .end = MSIC_IRQ_STATUS_ACCDET, - }, + DEFINE_RES_MEM_NAMED(MSIC_IRQ_STATUS_ACCDET, 1, "IRQ_BASE"), }; static struct resource msic_hdmi_resources[] = { - { - .flags = IORESOURCE_IRQ, - }, + DEFINE_RES_IRQ(0), }; static struct resource msic_thermal_resources[] = { - { - .flags = IORESOURCE_IRQ, - }, + DEFINE_RES_IRQ(0), }; static struct resource msic_power_btn_resources[] = { - { - .flags = IORESOURCE_IRQ, - }, + DEFINE_RES_IRQ(0), }; static struct resource msic_ocd_resources[] = { - { - .flags = IORESOURCE_IRQ, - }, + DEFINE_RES_IRQ(0), }; /* diff --git a/drivers/mfd/intel_soc_pmic_bxtwc.c b/drivers/mfd/intel_soc_pmic_bxtwc.c @@ -1,27 +1,20 @@ +// SPDX-License-Identifier: GPL-2.0 /* * MFD core driver for Intel Broxton Whiskey Cove PMIC * * Copyright (C) 2015 Intel Corporation. All rights reserved. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - * - * This program is distributed in the hope it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. */ -#include <linux/module.h> #include <linux/acpi.h> -#include <linux/err.h> #include <linux/delay.h> +#include <linux/err.h> #include <linux/interrupt.h> #include <linux/kernel.h> #include <linux/mfd/core.h> #include <linux/mfd/intel_soc_pmic.h> #include <linux/mfd/intel_soc_pmic_bxtwc.h> +#include <linux/module.h> + #include <asm/intel_pmc_ipc.h> /* PMIC device registers */ @@ -31,8 +24,8 @@ /* Interrupt Status Registers */ #define BXTWC_IRQLVL1 0x4E02 -#define BXTWC_PWRBTNIRQ 0x4E03 +#define BXTWC_PWRBTNIRQ 0x4E03 #define BXTWC_THRM0IRQ 0x4E04 #define BXTWC_THRM1IRQ 0x4E05 #define BXTWC_THRM2IRQ 0x4E06 @@ -47,10 +40,9 @@ /* Interrupt MASK Registers */ #define BXTWC_MIRQLVL1 0x4E0E -#define BXTWC_MPWRTNIRQ 0x4E0F - #define BXTWC_MIRQLVL1_MCHGR BIT(5) +#define BXTWC_MPWRBTNIRQ 0x4E0F #define BXTWC_MTHRM0IRQ 0x4E12 #define BXTWC_MTHRM1IRQ 0x4E13 #define BXTWC_MTHRM2IRQ 0x4E14 @@ -66,9 +58,7 @@ /* Whiskey Cove PMIC share same ACPI ID between different platforms */ #define BROXTON_PMIC_WC_HRV 4 -/* Manage in two IRQ chips since mask registers are not consecutive */ enum bxtwc_irqs { - /* Level 1 */ BXTWC_PWRBTN_LVL1_IRQ = 0, BXTWC_TMU_LVL1_IRQ, BXTWC_THRM_LVL1_IRQ, @@ -77,9 +67,11 @@ enum bxtwc_irqs { BXTWC_CHGR_LVL1_IRQ, BXTWC_GPIO_LVL1_IRQ, BXTWC_CRIT_LVL1_IRQ, +}; - /* Level 2 */ - BXTWC_PWRBTN_IRQ, +enum bxtwc_irqs_pwrbtn { + BXTWC_PWRBTN_IRQ = 0, + BXTWC_UIBTN_IRQ, }; enum bxtwc_irqs_bcu { @@ -113,7 +105,10 @@ static const struct regmap_irq bxtwc_regmap_irqs[] = { REGMAP_IRQ_REG(BXTWC_CHGR_LVL1_IRQ, 0, BIT(5)), REGMAP_IRQ_REG(BXTWC_GPIO_LVL1_IRQ, 0, BIT(6)), REGMAP_IRQ_REG(BXTWC_CRIT_LVL1_IRQ, 0, BIT(7)), - REGMAP_IRQ_REG(BXTWC_PWRBTN_IRQ, 1, 0x03), +}; + +static const struct regmap_irq bxtwc_regmap_irqs_pwrbtn[] = { + REGMAP_IRQ_REG(BXTWC_PWRBTN_IRQ, 0, 0x01), }; static const struct regmap_irq bxtwc_regmap_irqs_bcu[] = { @@ -125,7 +120,7 @@ static const struct regmap_irq bxtwc_regmap_irqs_adc[] = { }; static const struct regmap_irq bxtwc_regmap_irqs_chgr[] = { - REGMAP_IRQ_REG(BXTWC_USBC_IRQ, 0, BIT(5)), + REGMAP_IRQ_REG(BXTWC_USBC_IRQ, 0, 0x20), REGMAP_IRQ_REG(BXTWC_CHGR0_IRQ, 0, 0x1f), REGMAP_IRQ_REG(BXTWC_CHGR1_IRQ, 1, 0x1f), }; @@ -144,7 +139,16 @@ static struct regmap_irq_chip bxtwc_regmap_irq_chip = { .mask_base = BXTWC_MIRQLVL1, .irqs = bxtwc_regmap_irqs, .num_irqs = ARRAY_SIZE(bxtwc_regmap_irqs), - .num_regs = 2, + .num_regs = 1, +}; + +static struct regmap_irq_chip bxtwc_regmap_irq_chip_pwrbtn = { + .name = "bxtwc_irq_chip_pwrbtn", + .status_base = BXTWC_PWRBTNIRQ, + .mask_base = BXTWC_MPWRBTNIRQ, + .irqs = bxtwc_regmap_irqs_pwrbtn, + .num_irqs = ARRAY_SIZE(bxtwc_regmap_irqs_pwrbtn), + .num_regs = 1, }; static struct regmap_irq_chip bxtwc_regmap_irq_chip_tmu = { @@ -473,6 +477,16 @@ static int bxtwc_probe(struct platform_device *pdev) } ret = bxtwc_add_chained_irq_chip(pmic, pmic->irq_chip_data, + BXTWC_PWRBTN_LVL1_IRQ, + IRQF_ONESHOT, + &bxtwc_regmap_irq_chip_pwrbtn, + &pmic->irq_chip_data_pwrbtn); + if (ret) { + dev_err(&pdev->dev, "Failed to add PWRBTN IRQ chip\n"); + return ret; + } + + ret = bxtwc_add_chained_irq_chip(pmic, pmic->irq_chip_data, BXTWC_TMU_LVL1_IRQ, IRQF_ONESHOT, &bxtwc_regmap_irq_chip_tmu, diff --git a/drivers/mfd/intel_soc_pmic_chtdc_ti.c b/drivers/mfd/intel_soc_pmic_chtdc_ti.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Device access for Dollar Cove TI PMIC * @@ -6,10 +7,6 @@ * * Cleanup and forward-ported * Copyright (c) 2017 Takashi Iwai <tiwai@suse.de> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. */ #include <linux/acpi.h> diff --git a/drivers/mfd/intel_soc_pmic_chtwc.c b/drivers/mfd/intel_soc_pmic_chtwc.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * MFD core driver for Intel Cherrytrail Whiskey Cove PMIC * @@ -5,10 +6,6 @@ * * Based on various non upstream patches to support the CHT Whiskey Cove PMIC: * Copyright (C) 2013-2015 Intel Corporation. All rights reserved. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. */ #include <linux/acpi.h> diff --git a/drivers/mfd/intel_soc_pmic_core.c b/drivers/mfd/intel_soc_pmic_core.c @@ -1,31 +1,24 @@ +// SPDX-License-Identifier: GPL-2.0 /* - * intel_soc_pmic_core.c - Intel SoC PMIC MFD Driver + * Intel SoC PMIC MFD Driver * * Copyright (C) 2013, 2014 Intel Corporation. All rights reserved. * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License version - * 2 as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * * Author: Yang, Bin <bin.yang@intel.com> * Author: Zhu, Lejun <lejun.zhu@linux.intel.com> */ -#include <linux/module.h> -#include <linux/mfd/core.h> +#include <linux/acpi.h> +#include <linux/gpio/consumer.h> +#include <linux/gpio/machine.h> #include <linux/i2c.h> #include <linux/interrupt.h> -#include <linux/gpio/consumer.h> -#include <linux/acpi.h> -#include <linux/regmap.h> +#include <linux/module.h> +#include <linux/mfd/core.h> #include <linux/mfd/intel_soc_pmic.h> -#include <linux/gpio/machine.h> #include <linux/pwm.h> +#include <linux/regmap.h> + #include "intel_soc_pmic_core.h" /* Crystal Cove PMIC shares same ACPI ID between different platforms */ diff --git a/drivers/mfd/intel_soc_pmic_core.h b/drivers/mfd/intel_soc_pmic_core.h @@ -1,17 +1,9 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* - * intel_soc_pmic_core.h - Intel SoC PMIC MFD Driver + * Intel SoC PMIC MFD Driver * * Copyright (C) 2012-2014 Intel Corporation. All rights reserved. * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License version - * 2 as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * * Author: Yang, Bin <bin.yang@intel.com> * Author: Zhu, Lejun <lejun.zhu@linux.intel.com> */ diff --git a/drivers/mfd/intel_soc_pmic_crc.c b/drivers/mfd/intel_soc_pmic_crc.c @@ -1,25 +1,18 @@ +// SPDX-License-Identifier: GPL-2.0 /* - * intel_soc_pmic_crc.c - Device access for Crystal Cove PMIC + * Device access for Crystal Cove PMIC * * Copyright (C) 2013, 2014 Intel Corporation. All rights reserved. * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License version - * 2 as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * * Author: Yang, Bin <bin.yang@intel.com> * Author: Zhu, Lejun <lejun.zhu@linux.intel.com> */ -#include <linux/mfd/core.h> #include <linux/interrupt.h> #include <linux/regmap.h> +#include <linux/mfd/core.h> #include <linux/mfd/intel_soc_pmic.h> + #include "intel_soc_pmic_core.h" #define CRYSTAL_COVE_MAX_REGISTER 0xC6 @@ -36,48 +29,23 @@ #define CRYSTAL_COVE_IRQ_VHDMIOCP 6 static struct resource gpio_resources[] = { - { - .name = "GPIO", - .start = CRYSTAL_COVE_IRQ_GPIO, - .end = CRYSTAL_COVE_IRQ_GPIO, - .flags = IORESOURCE_IRQ, - }, + DEFINE_RES_IRQ_NAMED(CRYSTAL_COVE_IRQ_GPIO, "GPIO"), }; static struct resource pwrsrc_resources[] = { - { - .name = "PWRSRC", - .start = CRYSTAL_COVE_IRQ_PWRSRC, - .end = CRYSTAL_COVE_IRQ_PWRSRC, - .flags = IORESOURCE_IRQ, - }, + DEFINE_RES_IRQ_NAMED(CRYSTAL_COVE_IRQ_PWRSRC, "PWRSRC"), }; static struct resource adc_resources[] = { - { - .name = "ADC", - .start = CRYSTAL_COVE_IRQ_ADC, - .end = CRYSTAL_COVE_IRQ_ADC, - .flags = IORESOURCE_IRQ, - }, + DEFINE_RES_IRQ_NAMED(CRYSTAL_COVE_IRQ_ADC, "ADC"), }; static struct resource thermal_resources[] = { - { - .name = "THERMAL", - .start = CRYSTAL_COVE_IRQ_THRM, - .end = CRYSTAL_COVE_IRQ_THRM, - .flags = IORESOURCE_IRQ, - }, + DEFINE_RES_IRQ_NAMED(CRYSTAL_COVE_IRQ_THRM, "THERMAL"), }; static struct resource bcu_resources[] = { - { - .name = "BCU", - .start = CRYSTAL_COVE_IRQ_BCU, - .end = CRYSTAL_COVE_IRQ_BCU, - .flags = IORESOURCE_IRQ, - }, + DEFINE_RES_IRQ_NAMED(CRYSTAL_COVE_IRQ_BCU, "BCU"), }; static struct mfd_cell crystal_cove_byt_dev[] = { @@ -134,27 +102,13 @@ static const struct regmap_config crystal_cove_regmap_config = { }; static const struct regmap_irq crystal_cove_irqs[] = { - [CRYSTAL_COVE_IRQ_PWRSRC] = { - .mask = BIT(CRYSTAL_COVE_IRQ_PWRSRC), - }, - [CRYSTAL_COVE_IRQ_THRM] = { - .mask = BIT(CRYSTAL_COVE_IRQ_THRM), - }, - [CRYSTAL_COVE_IRQ_BCU] = { - .mask = BIT(CRYSTAL_COVE_IRQ_BCU), - }, - [CRYSTAL_COVE_IRQ_ADC] = { - .mask = BIT(CRYSTAL_COVE_IRQ_ADC), - }, - [CRYSTAL_COVE_IRQ_CHGR] = { - .mask = BIT(CRYSTAL_COVE_IRQ_CHGR), - }, - [CRYSTAL_COVE_IRQ_GPIO] = { - .mask = BIT(CRYSTAL_COVE_IRQ_GPIO), - }, - [CRYSTAL_COVE_IRQ_VHDMIOCP] = { - .mask = BIT(CRYSTAL_COVE_IRQ_VHDMIOCP), - }, + REGMAP_IRQ_REG(CRYSTAL_COVE_IRQ_PWRSRC, 0, BIT(CRYSTAL_COVE_IRQ_PWRSRC)), + REGMAP_IRQ_REG(CRYSTAL_COVE_IRQ_THRM, 0, BIT(CRYSTAL_COVE_IRQ_THRM)), + REGMAP_IRQ_REG(CRYSTAL_COVE_IRQ_BCU, 0, BIT(CRYSTAL_COVE_IRQ_BCU)), + REGMAP_IRQ_REG(CRYSTAL_COVE_IRQ_ADC, 0, BIT(CRYSTAL_COVE_IRQ_ADC)), + REGMAP_IRQ_REG(CRYSTAL_COVE_IRQ_CHGR, 0, BIT(CRYSTAL_COVE_IRQ_CHGR)), + REGMAP_IRQ_REG(CRYSTAL_COVE_IRQ_GPIO, 0, BIT(CRYSTAL_COVE_IRQ_GPIO)), + REGMAP_IRQ_REG(CRYSTAL_COVE_IRQ_VHDMIOCP, 0, BIT(CRYSTAL_COVE_IRQ_VHDMIOCP)), }; static const struct regmap_irq_chip crystal_cove_irq_chip = { diff --git a/drivers/mfd/madera-core.c b/drivers/mfd/madera-core.c @@ -132,32 +132,39 @@ const char *madera_name_from_type(enum madera_type type) } EXPORT_SYMBOL_GPL(madera_name_from_type); -#define MADERA_BOOT_POLL_MAX_INTERVAL_US 5000 -#define MADERA_BOOT_POLL_TIMEOUT_US 25000 +#define MADERA_BOOT_POLL_INTERVAL_USEC 5000 +#define MADERA_BOOT_POLL_TIMEOUT_USEC 25000 static int madera_wait_for_boot(struct madera *madera) { + ktime_t timeout; unsigned int val; - int ret; + int ret = 0; /* * We can't use an interrupt as we need to runtime resume to do so, * so we poll the status bit. This won't race with the interrupt * handler because it will be blocked on runtime resume. + * The chip could NAK a read request while it is booting so ignore + * errors from regmap_read. */ - ret = regmap_read_poll_timeout(madera->regmap, - MADERA_IRQ1_RAW_STATUS_1, - val, - (val & MADERA_BOOT_DONE_STS1), - MADERA_BOOT_POLL_MAX_INTERVAL_US, - MADERA_BOOT_POLL_TIMEOUT_US); - - if (ret) - dev_err(madera->dev, "Polling BOOT_DONE_STS failed: %d\n", ret); + timeout = ktime_add_us(ktime_get(), MADERA_BOOT_POLL_TIMEOUT_USEC); + regmap_read(madera->regmap, MADERA_IRQ1_RAW_STATUS_1, &val); + while (!(val & MADERA_BOOT_DONE_STS1) && + !ktime_after(ktime_get(), timeout)) { + usleep_range(MADERA_BOOT_POLL_INTERVAL_USEC / 2, + MADERA_BOOT_POLL_INTERVAL_USEC); + regmap_read(madera->regmap, MADERA_IRQ1_RAW_STATUS_1, &val); + }; + + if (!(val & MADERA_BOOT_DONE_STS1)) { + dev_err(madera->dev, "Polling BOOT_DONE_STS timed out\n"); + ret = -ETIMEDOUT; + } /* * BOOT_DONE defaults to unmasked on boot so we must ack it. - * Do this unconditionally to avoid interrupt storms. + * Do this even after a timeout to avoid interrupt storms. */ regmap_write(madera->regmap, MADERA_IRQ1_STATUS_1, MADERA_BOOT_DONE_EINT1); diff --git a/drivers/mfd/max14577.c b/drivers/mfd/max14577.c @@ -1,22 +1,12 @@ -/* - * max14577.c - mfd core driver for the Maxim 14577/77836 - * - * Copyright (C) 2014 Samsung Electronics - * Chanwoo Choi <cw00.choi@samsung.com> - * Krzysztof Kozlowski <krzk@kernel.org> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * This driver is based on max8997.c - */ +// SPDX-License-Identifier: GPL-2.0+ +// +// max14577.c - mfd core driver for the Maxim 14577/77836 +// +// Copyright (C) 2014 Samsung Electronics +// Chanwoo Choi <cw00.choi@samsung.com> +// Krzysztof Kozlowski <krzk@kernel.org> +// +// This driver is based on max8997.c #include <linux/err.h> #include <linux/module.h> diff --git a/drivers/mfd/max77620.c b/drivers/mfd/max77620.c @@ -285,7 +285,7 @@ static int max77620_config_fps(struct max77620_chip *chip, } if (fps_id == MAX77620_FPS_COUNT) { - dev_err(dev, "FPS node name %s is not valid\n", fps_np->name); + dev_err(dev, "FPS node name %pOFn is not valid\n", fps_np); return -EINVAL; } diff --git a/drivers/mfd/max77686.c b/drivers/mfd/max77686.c @@ -1,26 +1,12 @@ -/* - * max77686.c - mfd core driver for the Maxim 77686/802 - * - * Copyright (C) 2012 Samsung Electronics - * Chiwoong Byun <woong.byun@samsung.com> - * Jonghwa Lee <jonghwa3.lee@samsung.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - * - * This driver is based on max8997.c - */ +// SPDX-License-Identifier: GPL-2.0+ +// +// max77686.c - mfd core driver for the Maxim 77686/802 +// +// Copyright (C) 2012 Samsung Electronics +// Chiwoong Byun <woong.byun@samsung.com> +// Jonghwa Lee <jonghwa3.lee@samsung.com> +// +//This driver is based on max8997.c #include <linux/export.h> #include <linux/slab.h> diff --git a/drivers/mfd/max77693.c b/drivers/mfd/max77693.c @@ -1,27 +1,13 @@ -/* - * max77693.c - mfd core driver for the MAX 77693 - * - * Copyright (C) 2012 Samsung Electronics - * SangYoung Son <hello.son@samsung.com> - * - * This program is not provided / owned by Maxim Integrated Products. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - * - * This driver is based on max8997.c - */ +// SPDX-License-Identifier: GPL-2.0+ +// +// max77693.c - mfd core driver for the MAX 77693 +// +// Copyright (C) 2012 Samsung Electronics +// SangYoung Son <hello.son@samsung.com> +// +// This program is not provided / owned by Maxim Integrated Products. +// +// This driver is based on max8997.c #include <linux/module.h> #include <linux/slab.h> diff --git a/drivers/mfd/max77843.c b/drivers/mfd/max77843.c @@ -1,15 +1,10 @@ -/* - * MFD core driver for the Maxim MAX77843 - * - * Copyright (C) 2015 Samsung Electronics - * Author: Jaewon Kim <jaewon02.kim@samsung.com> - * Author: Beomho Seo <beomho.seo@samsung.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - */ +// SPDX-License-Identifier: GPL-2.0+ +// +// MFD core driver for the Maxim MAX77843 +// +// Copyright (C) 2015 Samsung Electronics +// Author: Jaewon Kim <jaewon02.kim@samsung.com> +// Author: Beomho Seo <beomho.seo@samsung.com> #include <linux/err.h> #include <linux/i2c.h> diff --git a/drivers/mfd/max8997-irq.c b/drivers/mfd/max8997-irq.c @@ -1,25 +1,11 @@ -/* - * max8997-irq.c - Interrupt controller support for MAX8997 - * - * Copyright (C) 2011 Samsung Electronics Co.Ltd - * MyungJoo Ham <myungjoo.ham@samsung.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - * - * This driver is based on max8998-irq.c - */ +// SPDX-License-Identifier: GPL-2.0+ +// +// max8997-irq.c - Interrupt controller support for MAX8997 +// +// Copyright (C) 2011 Samsung Electronics Co.Ltd +// MyungJoo Ham <myungjoo.ham@samsung.com> +// +// This driver is based on max8998-irq.c #include <linux/err.h> #include <linux/irq.h> diff --git a/drivers/mfd/max8997.c b/drivers/mfd/max8997.c @@ -1,25 +1,11 @@ -/* - * max8997.c - mfd core driver for the Maxim 8966 and 8997 - * - * Copyright (C) 2011 Samsung Electronics - * MyungJoo Ham <myungjoo.ham@samsung.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - * - * This driver is based on max8998.c - */ +// SPDX-License-Identifier: GPL-2.0+ +// +// max8997.c - mfd core driver for the Maxim 8966 and 8997 +// +// Copyright (C) 2011 Samsung Electronics +// MyungJoo Ham <myungjoo.ham@samsung.com> +// +// This driver is based on max8998.c #include <linux/err.h> #include <linux/slab.h> @@ -153,12 +139,6 @@ static struct max8997_platform_data *max8997_i2c_parse_dt_pdata( pd->ono = irq_of_parse_and_map(dev->of_node, 1); - /* - * ToDo: the 'wakeup' member in the platform data is more of a linux - * specfic information. Hence, there is no binding for that yet and - * not parsed here. - */ - return pd; } @@ -246,7 +226,7 @@ static int max8997_i2c_probe(struct i2c_client *i2c, */ /* MAX8997 has a power button input. */ - device_init_wakeup(max8997->dev, pdata->wakeup); + device_init_wakeup(max8997->dev, true); return ret; @@ -468,6 +448,7 @@ static int max8997_suspend(struct device *dev) struct i2c_client *i2c = to_i2c_client(dev); struct max8997_dev *max8997 = i2c_get_clientdata(i2c); + disable_irq(max8997->irq); if (device_may_wakeup(dev)) irq_set_irq_wake(max8997->irq, 1); return 0; @@ -480,6 +461,7 @@ static int max8997_resume(struct device *dev) if (device_may_wakeup(dev)) irq_set_irq_wake(max8997->irq, 0); + enable_irq(max8997->irq); return max8997_irq_resume(max8997); } diff --git a/drivers/mfd/max8998-irq.c b/drivers/mfd/max8998-irq.c @@ -1,15 +1,9 @@ -/* - * Interrupt controller support for MAX8998 - * - * Copyright (C) 2010 Samsung Electronics Co.Ltd - * Author: Joonyoung Shim <jy0922.shim@samsung.com> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - * - */ +// SPDX-License-Identifier: GPL-2.0+ +// +// Interrupt controller support for MAX8998 +// +// Copyright (C) 2010 Samsung Electronics Co.Ltd +// Author: Joonyoung Shim <jy0922.shim@samsung.com> #include <linux/device.h> #include <linux/interrupt.h> diff --git a/drivers/mfd/max8998.c b/drivers/mfd/max8998.c @@ -1,24 +1,10 @@ -/* - * max8998.c - mfd core driver for the Maxim 8998 - * - * Copyright (C) 2009-2010 Samsung Electronics - * Kyungmin Park <kyungmin.park@samsung.com> - * Marek Szyprowski <m.szyprowski@samsung.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ +// SPDX-License-Identifier: GPL-2.0+ +// +// max8998.c - mfd core driver for the Maxim 8998 +// +// Copyright (C) 2009-2010 Samsung Electronics +// Kyungmin Park <kyungmin.park@samsung.com> +// Marek Szyprowski <m.szyprowski@samsung.com> #include <linux/err.h> #include <linux/init.h> diff --git a/drivers/mfd/mc13xxx-core.c b/drivers/mfd/mc13xxx-core.c @@ -276,7 +276,8 @@ int mc13xxx_adc_do_conversion(struct mc13xxx *mc13xxx, unsigned int mode, mc13xxx_reg_read(mc13xxx, MC13XXX_ADC0, &old_adc0); - adc0 = MC13XXX_ADC0_ADINC1 | MC13XXX_ADC0_ADINC2; + adc0 = MC13XXX_ADC0_ADINC1 | MC13XXX_ADC0_ADINC2 | + MC13XXX_ADC0_CHRGRAWDIV; adc1 = MC13XXX_ADC1_ADEN | MC13XXX_ADC1_ADTRIGIGN | MC13XXX_ADC1_ASC; /* diff --git a/drivers/mfd/menelaus.c b/drivers/mfd/menelaus.c @@ -1094,6 +1094,7 @@ static void menelaus_rtc_alarm_work(struct menelaus_chip *m) static inline void menelaus_rtc_init(struct menelaus_chip *m) { int alarm = (m->client->irq > 0); + int err; /* assume 32KDETEN pin is pulled high */ if (!(menelaus_read_reg(MENELAUS_OSC_CTRL) & 0x80)) { @@ -1101,6 +1102,12 @@ static inline void menelaus_rtc_init(struct menelaus_chip *m) return; } + m->rtc = devm_rtc_allocate_device(&m->client->dev); + if (IS_ERR(m->rtc)) + return; + + m->rtc->ops = &menelaus_rtc_ops; + /* support RTC alarm; it can issue wakeups */ if (alarm) { if (menelaus_add_irq_work(MENELAUS_RTCALM_IRQ, @@ -1125,10 +1132,8 @@ static inline void menelaus_rtc_init(struct menelaus_chip *m) menelaus_write_reg(MENELAUS_RTC_CTRL, m->rtc_control); } - m->rtc = rtc_device_register(DRIVER_NAME, - &m->client->dev, - &menelaus_rtc_ops, THIS_MODULE); - if (IS_ERR(m->rtc)) { + err = rtc_register_device(m->rtc); + if (err) { if (alarm) { menelaus_remove_irq_work(MENELAUS_RTCALM_IRQ); device_init_wakeup(&m->client->dev, 0); diff --git a/drivers/mfd/motorola-cpcap.c b/drivers/mfd/motorola-cpcap.c @@ -18,6 +18,7 @@ #include <linux/regmap.h> #include <linux/sysfs.h> +#include <linux/mfd/core.h> #include <linux/mfd/motorola-cpcap.h> #include <linux/spi/spi.h> @@ -216,6 +217,53 @@ static const struct regmap_config cpcap_regmap_config = { .val_format_endian = REGMAP_ENDIAN_LITTLE, }; +static const struct mfd_cell cpcap_mfd_devices[] = { + { + .name = "cpcap_adc", + .of_compatible = "motorola,mapphone-cpcap-adc", + }, { + .name = "cpcap_battery", + .of_compatible = "motorola,cpcap-battery", + }, { + .name = "cpcap-charger", + .of_compatible = "motorola,mapphone-cpcap-charger", + }, { + .name = "cpcap-regulator", + .of_compatible = "motorola,mapphone-cpcap-regulator", + }, { + .name = "cpcap-rtc", + .of_compatible = "motorola,cpcap-rtc", + }, { + .name = "cpcap-pwrbutton", + .of_compatible = "motorola,cpcap-pwrbutton", + }, { + .name = "cpcap-usb-phy", + .of_compatible = "motorola,mapphone-cpcap-usb-phy", + }, { + .name = "cpcap-led", + .id = 0, + .of_compatible = "motorola,cpcap-led-red", + }, { + .name = "cpcap-led", + .id = 1, + .of_compatible = "motorola,cpcap-led-green", + }, { + .name = "cpcap-led", + .id = 2, + .of_compatible = "motorola,cpcap-led-blue", + }, { + .name = "cpcap-led", + .id = 3, + .of_compatible = "motorola,cpcap-led-adl", + }, { + .name = "cpcap-led", + .id = 4, + .of_compatible = "motorola,cpcap-led-cp", + }, { + .name = "cpcap-codec", + } +}; + static int cpcap_probe(struct spi_device *spi) { const struct of_device_id *match; @@ -260,7 +308,8 @@ static int cpcap_probe(struct spi_device *spi) if (ret) return ret; - return devm_of_platform_populate(&cpcap->spi->dev); + return devm_mfd_add_devices(&spi->dev, 0, cpcap_mfd_devices, + ARRAY_SIZE(cpcap_mfd_devices), NULL, 0, NULL); } static struct spi_driver cpcap_driver = { diff --git a/drivers/mfd/sec-core.c b/drivers/mfd/sec-core.c @@ -1,15 +1,7 @@ -/* - * sec-core.c - * - * Copyright (c) 2012 Samsung Electronics Co., Ltd - * http://www.samsung.com - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - * - */ +// SPDX-License-Identifier: GPL-2.0+ +// +// Copyright (c) 2012 Samsung Electronics Co., Ltd +// http://www.samsung.com #include <linux/module.h> #include <linux/moduleparam.h> diff --git a/drivers/mfd/sec-irq.c b/drivers/mfd/sec-irq.c @@ -1,19 +1,12 @@ -/* - * sec-irq.c - * - * Copyright (c) 2011-2014 Samsung Electronics Co., Ltd - * http://www.samsung.com - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - * - */ +// SPDX-License-Identifier: GPL-2.0+ +// +// Copyright (c) 2011-2014 Samsung Electronics Co., Ltd +// http://www.samsung.com #include <linux/device.h> #include <linux/interrupt.h> #include <linux/irq.h> +#include <linux/module.h> #include <linux/regmap.h> #include <linux/mfd/samsung/core.h> @@ -501,3 +494,10 @@ int sec_irq_init(struct sec_pmic_dev *sec_pmic) return 0; } +EXPORT_SYMBOL_GPL(sec_irq_init); + +MODULE_AUTHOR("Sangbeom Kim <sbkim73@samsung.com>"); +MODULE_AUTHOR("Chanwoo Choi <cw00.choi@samsung.com>"); +MODULE_AUTHOR("Krzysztof Kozlowski <krzk@kernel.org>"); +MODULE_DESCRIPTION("Interrupt support for the S5M MFD"); +MODULE_LICENSE("GPL"); diff --git a/drivers/mfd/ti-lmu.c b/drivers/mfd/ti-lmu.c @@ -12,7 +12,7 @@ #include <linux/delay.h> #include <linux/err.h> -#include <linux/gpio.h> +#include <linux/gpio/consumer.h> #include <linux/i2c.h> #include <linux/kernel.h> #include <linux/mfd/core.h> @@ -21,28 +21,18 @@ #include <linux/module.h> #include <linux/of.h> #include <linux/of_device.h> -#include <linux/of_gpio.h> #include <linux/slab.h> struct ti_lmu_data { - struct mfd_cell *cells; + const struct mfd_cell *cells; int num_cells; unsigned int max_register; }; static int ti_lmu_enable_hw(struct ti_lmu *lmu, enum ti_lmu_id id) { - int ret; - - if (gpio_is_valid(lmu->en_gpio)) { - ret = devm_gpio_request_one(lmu->dev, lmu->en_gpio, - GPIOF_OUT_INIT_HIGH, "lmu_hwen"); - if (ret) { - dev_err(lmu->dev, "Can not request enable GPIO: %d\n", - ret); - return ret; - } - } + if (lmu->en_gpio) + gpiod_set_value(lmu->en_gpio, 1); /* Delay about 1ms after HW enable pin control */ usleep_range(1000, 1500); @@ -57,13 +47,14 @@ static int ti_lmu_enable_hw(struct ti_lmu *lmu, enum ti_lmu_id id) return 0; } -static void ti_lmu_disable_hw(struct ti_lmu *lmu) +static void ti_lmu_disable_hw(void *data) { - if (gpio_is_valid(lmu->en_gpio)) - gpio_set_value(lmu->en_gpio, 0); + struct ti_lmu *lmu = data; + if (lmu->en_gpio) + gpiod_set_value(lmu->en_gpio, 0); } -static struct mfd_cell lm3532_devices[] = { +static const struct mfd_cell lm3532_devices[] = { { .name = "ti-lmu-backlight", .id = LM3532, @@ -78,7 +69,7 @@ static struct mfd_cell lm3532_devices[] = { .of_compatible = "ti,lm363x-regulator", \ } \ -static struct mfd_cell lm3631_devices[] = { +static const struct mfd_cell lm3631_devices[] = { LM363X_REGULATOR(LM3631_BOOST), LM363X_REGULATOR(LM3631_LDO_CONT), LM363X_REGULATOR(LM3631_LDO_OREF), @@ -91,7 +82,7 @@ static struct mfd_cell lm3631_devices[] = { }, }; -static struct mfd_cell lm3632_devices[] = { +static const struct mfd_cell lm3632_devices[] = { LM363X_REGULATOR(LM3632_BOOST), LM363X_REGULATOR(LM3632_LDO_POS), LM363X_REGULATOR(LM3632_LDO_NEG), @@ -102,7 +93,7 @@ static struct mfd_cell lm3632_devices[] = { }, }; -static struct mfd_cell lm3633_devices[] = { +static const struct mfd_cell lm3633_devices[] = { { .name = "ti-lmu-backlight", .id = LM3633, @@ -120,7 +111,7 @@ static struct mfd_cell lm3633_devices[] = { }, }; -static struct mfd_cell lm3695_devices[] = { +static const struct mfd_cell lm3695_devices[] = { { .name = "ti-lmu-backlight", .id = LM3695, @@ -128,7 +119,7 @@ static struct mfd_cell lm3695_devices[] = { }, }; -static struct mfd_cell lm3697_devices[] = { +static const struct mfd_cell lm3697_devices[] = { { .name = "ti-lmu-backlight", .id = LM3697, @@ -157,34 +148,21 @@ TI_LMU_DATA(lm3633, LM3633_MAX_REG); TI_LMU_DATA(lm3695, LM3695_MAX_REG); TI_LMU_DATA(lm3697, LM3697_MAX_REG); -static const struct of_device_id ti_lmu_of_match[] = { - { .compatible = "ti,lm3532", .data = &lm3532_data }, - { .compatible = "ti,lm3631", .data = &lm3631_data }, - { .compatible = "ti,lm3632", .data = &lm3632_data }, - { .compatible = "ti,lm3633", .data = &lm3633_data }, - { .compatible = "ti,lm3695", .data = &lm3695_data }, - { .compatible = "ti,lm3697", .data = &lm3697_data }, - { } -}; -MODULE_DEVICE_TABLE(of, ti_lmu_of_match); - static int ti_lmu_probe(struct i2c_client *cl, const struct i2c_device_id *id) { struct device *dev = &cl->dev; - const struct of_device_id *match; const struct ti_lmu_data *data; struct regmap_config regmap_cfg; struct ti_lmu *lmu; int ret; - match = of_match_device(ti_lmu_of_match, dev); - if (!match) - return -ENODEV; /* * Get device specific data from of_match table. * This data is defined by using TI_LMU_DATA() macro. */ - data = (struct ti_lmu_data *)match->data; + data = of_device_get_match_data(dev); + if (!data) + return -ENODEV; lmu = devm_kzalloc(dev, sizeof(*lmu), GFP_KERNEL); if (!lmu) @@ -204,11 +182,21 @@ static int ti_lmu_probe(struct i2c_client *cl, const struct i2c_device_id *id) return PTR_ERR(lmu->regmap); /* HW enable pin control and additional power up sequence if required */ - lmu->en_gpio = of_get_named_gpio(dev->of_node, "enable-gpios", 0); + lmu->en_gpio = devm_gpiod_get_optional(dev, "enable", GPIOD_OUT_HIGH); + if (IS_ERR(lmu->en_gpio)) { + ret = PTR_ERR(lmu->en_gpio); + dev_err(dev, "Can not request enable GPIO: %d\n", ret); + return ret; + } + ret = ti_lmu_enable_hw(lmu, id->driver_data); if (ret) return ret; + ret = devm_add_action_or_reset(dev, ti_lmu_disable_hw, lmu); + if (ret) + return ret; + /* * Fault circuit(open/short) can be detected by ti-lmu-fault-monitor. * After fault detection is done, some devices should re-initialize @@ -218,18 +206,20 @@ static int ti_lmu_probe(struct i2c_client *cl, const struct i2c_device_id *id) i2c_set_clientdata(cl, lmu); - return mfd_add_devices(lmu->dev, 0, data->cells, - data->num_cells, NULL, 0, NULL); + return devm_mfd_add_devices(lmu->dev, 0, data->cells, + data->num_cells, NULL, 0, NULL); } -static int ti_lmu_remove(struct i2c_client *cl) -{ - struct ti_lmu *lmu = i2c_get_clientdata(cl); - - ti_lmu_disable_hw(lmu); - mfd_remove_devices(lmu->dev); - return 0; -} +static const struct of_device_id ti_lmu_of_match[] = { + { .compatible = "ti,lm3532", .data = &lm3532_data }, + { .compatible = "ti,lm3631", .data = &lm3631_data }, + { .compatible = "ti,lm3632", .data = &lm3632_data }, + { .compatible = "ti,lm3633", .data = &lm3633_data }, + { .compatible = "ti,lm3695", .data = &lm3695_data }, + { .compatible = "ti,lm3697", .data = &lm3697_data }, + { } +}; +MODULE_DEVICE_TABLE(of, ti_lmu_of_match); static const struct i2c_device_id ti_lmu_ids[] = { { "lm3532", LM3532 }, @@ -244,7 +234,6 @@ MODULE_DEVICE_TABLE(i2c, ti_lmu_ids); static struct i2c_driver ti_lmu_driver = { .probe = ti_lmu_probe, - .remove = ti_lmu_remove, .driver = { .name = "ti-lmu", .of_match_table = ti_lmu_of_match, diff --git a/drivers/mfd/ti_am335x_tscadc.c b/drivers/mfd/ti_am335x_tscadc.c @@ -269,7 +269,6 @@ static int ti_tscadc_probe(struct platform_device *pdev) if (err < 0) goto err_disable_clk; - device_init_wakeup(&pdev->dev, true); platform_set_drvdata(pdev, tscadc); return 0; @@ -294,11 +293,24 @@ static int ti_tscadc_remove(struct platform_device *pdev) return 0; } +static int __maybe_unused ti_tscadc_can_wakeup(struct device *dev, void *data) +{ + return device_may_wakeup(dev); +} + static int __maybe_unused tscadc_suspend(struct device *dev) { struct ti_tscadc_dev *tscadc = dev_get_drvdata(dev); regmap_write(tscadc->regmap, REG_SE, 0x00); + if (device_for_each_child(dev, NULL, ti_tscadc_can_wakeup)) { + u32 ctrl; + + regmap_read(tscadc->regmap, REG_CTRL, &ctrl); + ctrl &= ~(CNTRLREG_POWERDOWN); + ctrl |= CNTRLREG_TSCSSENB; + regmap_write(tscadc->regmap, REG_CTRL, ctrl); + } pm_runtime_put_sync(dev); return 0; diff --git a/drivers/spi/Kconfig b/drivers/spi/Kconfig @@ -83,6 +83,14 @@ config SPI_ATMEL This selects a driver for the Atmel SPI Controller, present on many AT91 ARM chips. +config SPI_AT91_USART + tristate "Atmel USART Controller SPI driver" + depends on (ARCH_AT91 || COMPILE_TEST) + depends on MFD_AT91_USART + help + This selects a driver for the AT91 USART Controller as SPI Master, + present on AT91 and SAMA5 SoC series. + config SPI_AU1550 tristate "Au1550/Au1200/Au1300 SPI Controller" depends on MIPS_ALCHEMY diff --git a/drivers/spi/Makefile b/drivers/spi/Makefile @@ -16,6 +16,7 @@ obj-$(CONFIG_SPI_LOOPBACK_TEST) += spi-loopback-test.o obj-$(CONFIG_SPI_ALTERA) += spi-altera.o obj-$(CONFIG_SPI_ARMADA_3700) += spi-armada-3700.o obj-$(CONFIG_SPI_ATMEL) += spi-atmel.o +obj-$(CONFIG_SPI_AT91_USART) += spi-at91-usart.o obj-$(CONFIG_SPI_ATH79) += spi-ath79.o obj-$(CONFIG_SPI_AU1550) += spi-au1550.o obj-$(CONFIG_SPI_AXI_SPI_ENGINE) += spi-axi-spi-engine.o diff --git a/drivers/spi/spi-at91-usart.c b/drivers/spi/spi-at91-usart.c @@ -0,0 +1,432 @@ +// SPDX-License-Identifier: GPL-2.0 +// +// Driver for AT91 USART Controllers as SPI +// +// Copyright (C) 2018 Microchip Technology Inc. +// +// Author: Radu Pirea <radu.pirea@microchip.com> + +#include <linux/clk.h> +#include <linux/delay.h> +#include <linux/interrupt.h> +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/of_gpio.h> +#include <linux/platform_device.h> + +#include <linux/spi/spi.h> + +#define US_CR 0x00 +#define US_MR 0x04 +#define US_IER 0x08 +#define US_IDR 0x0C +#define US_CSR 0x14 +#define US_RHR 0x18 +#define US_THR 0x1C +#define US_BRGR 0x20 +#define US_VERSION 0xFC + +#define US_CR_RSTRX BIT(2) +#define US_CR_RSTTX BIT(3) +#define US_CR_RXEN BIT(4) +#define US_CR_RXDIS BIT(5) +#define US_CR_TXEN BIT(6) +#define US_CR_TXDIS BIT(7) + +#define US_MR_SPI_MASTER 0x0E +#define US_MR_CHRL GENMASK(7, 6) +#define US_MR_CPHA BIT(8) +#define US_MR_CPOL BIT(16) +#define US_MR_CLKO BIT(18) +#define US_MR_WRDBT BIT(20) +#define US_MR_LOOP BIT(15) + +#define US_IR_RXRDY BIT(0) +#define US_IR_TXRDY BIT(1) +#define US_IR_OVRE BIT(5) + +#define US_BRGR_SIZE BIT(16) + +#define US_MIN_CLK_DIV 0x06 +#define US_MAX_CLK_DIV BIT(16) + +#define US_RESET (US_CR_RSTRX | US_CR_RSTTX) +#define US_DISABLE (US_CR_RXDIS | US_CR_TXDIS) +#define US_ENABLE (US_CR_RXEN | US_CR_TXEN) +#define US_OVRE_RXRDY_IRQS (US_IR_OVRE | US_IR_RXRDY) + +#define US_INIT \ + (US_MR_SPI_MASTER | US_MR_CHRL | US_MR_CLKO | US_MR_WRDBT) + +/* Register access macros */ +#define at91_usart_spi_readl(port, reg) \ + readl_relaxed((port)->regs + US_##reg) +#define at91_usart_spi_writel(port, reg, value) \ + writel_relaxed((value), (port)->regs + US_##reg) + +#define at91_usart_spi_readb(port, reg) \ + readb_relaxed((port)->regs + US_##reg) +#define at91_usart_spi_writeb(port, reg, value) \ + writeb_relaxed((value), (port)->regs + US_##reg) + +struct at91_usart_spi { + struct spi_transfer *current_transfer; + void __iomem *regs; + struct device *dev; + struct clk *clk; + + /*used in interrupt to protect data reading*/ + spinlock_t lock; + + int irq; + unsigned int current_tx_remaining_bytes; + unsigned int current_rx_remaining_bytes; + + u32 spi_clk; + u32 status; + + bool xfer_failed; +}; + +static inline u32 at91_usart_spi_tx_ready(struct at91_usart_spi *aus) +{ + return aus->status & US_IR_TXRDY; +} + +static inline u32 at91_usart_spi_rx_ready(struct at91_usart_spi *aus) +{ + return aus->status & US_IR_RXRDY; +} + +static inline u32 at91_usart_spi_check_overrun(struct at91_usart_spi *aus) +{ + return aus->status & US_IR_OVRE; +} + +static inline u32 at91_usart_spi_read_status(struct at91_usart_spi *aus) +{ + aus->status = at91_usart_spi_readl(aus, CSR); + return aus->status; +} + +static inline void at91_usart_spi_tx(struct at91_usart_spi *aus) +{ + unsigned int len = aus->current_transfer->len; + unsigned int remaining = aus->current_tx_remaining_bytes; + const u8 *tx_buf = aus->current_transfer->tx_buf; + + if (!remaining) + return; + + if (at91_usart_spi_tx_ready(aus)) { + at91_usart_spi_writeb(aus, THR, tx_buf[len - remaining]); + aus->current_tx_remaining_bytes--; + } +} + +static inline void at91_usart_spi_rx(struct at91_usart_spi *aus) +{ + int len = aus->current_transfer->len; + int remaining = aus->current_rx_remaining_bytes; + u8 *rx_buf = aus->current_transfer->rx_buf; + + if (!remaining) + return; + + rx_buf[len - remaining] = at91_usart_spi_readb(aus, RHR); + aus->current_rx_remaining_bytes--; +} + +static inline void +at91_usart_spi_set_xfer_speed(struct at91_usart_spi *aus, + struct spi_transfer *xfer) +{ + at91_usart_spi_writel(aus, BRGR, + DIV_ROUND_UP(aus->spi_clk, xfer->speed_hz)); +} + +static irqreturn_t at91_usart_spi_interrupt(int irq, void *dev_id) +{ + struct spi_controller *controller = dev_id; + struct at91_usart_spi *aus = spi_master_get_devdata(controller); + + spin_lock(&aus->lock); + at91_usart_spi_read_status(aus); + + if (at91_usart_spi_check_overrun(aus)) { + aus->xfer_failed = true; + at91_usart_spi_writel(aus, IDR, US_IR_OVRE | US_IR_RXRDY); + spin_unlock(&aus->lock); + return IRQ_HANDLED; + } + + if (at91_usart_spi_rx_ready(aus)) { + at91_usart_spi_rx(aus); + spin_unlock(&aus->lock); + return IRQ_HANDLED; + } + + spin_unlock(&aus->lock); + + return IRQ_NONE; +} + +static int at91_usart_spi_setup(struct spi_device *spi) +{ + struct at91_usart_spi *aus = spi_master_get_devdata(spi->controller); + u32 *ausd = spi->controller_state; + unsigned int mr = at91_usart_spi_readl(aus, MR); + u8 bits = spi->bits_per_word; + + if (bits != 8) { + dev_dbg(&spi->dev, "Only 8 bits per word are supported\n"); + return -EINVAL; + } + + if (spi->mode & SPI_CPOL) + mr |= US_MR_CPOL; + else + mr &= ~US_MR_CPOL; + + if (spi->mode & SPI_CPHA) + mr |= US_MR_CPHA; + else + mr &= ~US_MR_CPHA; + + if (spi->mode & SPI_LOOP) + mr |= US_MR_LOOP; + else + mr &= ~US_MR_LOOP; + + if (!ausd) { + ausd = kzalloc(sizeof(*ausd), GFP_KERNEL); + if (!ausd) + return -ENOMEM; + + spi->controller_state = ausd; + } + + *ausd = mr; + + dev_dbg(&spi->dev, + "setup: bpw %u mode 0x%x -> mr %d %08x\n", + bits, spi->mode, spi->chip_select, mr); + + return 0; +} + +static int at91_usart_spi_transfer_one(struct spi_controller *ctlr, + struct spi_device *spi, + struct spi_transfer *xfer) +{ + struct at91_usart_spi *aus = spi_master_get_devdata(ctlr); + + at91_usart_spi_set_xfer_speed(aus, xfer); + aus->xfer_failed = false; + aus->current_transfer = xfer; + aus->current_tx_remaining_bytes = xfer->len; + aus->current_rx_remaining_bytes = xfer->len; + + while ((aus->current_tx_remaining_bytes || + aus->current_rx_remaining_bytes) && !aus->xfer_failed) { + at91_usart_spi_read_status(aus); + at91_usart_spi_tx(aus); + cpu_relax(); + } + + if (aus->xfer_failed) { + dev_err(aus->dev, "Overrun!\n"); + return -EIO; + } + + return 0; +} + +static int at91_usart_spi_prepare_message(struct spi_controller *ctlr, + struct spi_message *message) +{ + struct at91_usart_spi *aus = spi_master_get_devdata(ctlr); + struct spi_device *spi = message->spi; + u32 *ausd = spi->controller_state; + + at91_usart_spi_writel(aus, CR, US_ENABLE); + at91_usart_spi_writel(aus, IER, US_OVRE_RXRDY_IRQS); + at91_usart_spi_writel(aus, MR, *ausd); + + return 0; +} + +static int at91_usart_spi_unprepare_message(struct spi_controller *ctlr, + struct spi_message *message) +{ + struct at91_usart_spi *aus = spi_master_get_devdata(ctlr); + + at91_usart_spi_writel(aus, CR, US_RESET | US_DISABLE); + at91_usart_spi_writel(aus, IDR, US_OVRE_RXRDY_IRQS); + + return 0; +} + +static void at91_usart_spi_cleanup(struct spi_device *spi) +{ + struct at91_usart_spi_device *ausd = spi->controller_state; + + spi->controller_state = NULL; + kfree(ausd); +} + +static void at91_usart_spi_init(struct at91_usart_spi *aus) +{ + at91_usart_spi_writel(aus, MR, US_INIT); + at91_usart_spi_writel(aus, CR, US_RESET | US_DISABLE); +} + +static int at91_usart_gpio_setup(struct platform_device *pdev) +{ + struct device_node *np = pdev->dev.parent->of_node; + int i; + int ret; + int nb; + + if (!np) + return -EINVAL; + + nb = of_gpio_named_count(np, "cs-gpios"); + for (i = 0; i < nb; i++) { + int cs_gpio = of_get_named_gpio(np, "cs-gpios", i); + + if (cs_gpio < 0) + return cs_gpio; + + if (gpio_is_valid(cs_gpio)) { + ret = devm_gpio_request_one(&pdev->dev, cs_gpio, + GPIOF_DIR_OUT, + dev_name(&pdev->dev)); + if (ret) + return ret; + } + } + + return 0; +} + +static int at91_usart_spi_probe(struct platform_device *pdev) +{ + struct resource *regs; + struct spi_controller *controller; + struct at91_usart_spi *aus; + struct clk *clk; + int irq; + int ret; + + regs = platform_get_resource(to_platform_device(pdev->dev.parent), + IORESOURCE_MEM, 0); + if (!regs) + return -EINVAL; + + irq = platform_get_irq(to_platform_device(pdev->dev.parent), 0); + if (irq < 0) + return irq; + + clk = devm_clk_get(pdev->dev.parent, "usart"); + if (IS_ERR(clk)) + return PTR_ERR(clk); + + ret = -ENOMEM; + controller = spi_alloc_master(&pdev->dev, sizeof(*aus)); + if (!controller) + goto at91_usart_spi_probe_fail; + + ret = at91_usart_gpio_setup(pdev); + if (ret) + goto at91_usart_spi_probe_fail; + + controller->mode_bits = SPI_CPOL | SPI_CPHA | SPI_LOOP | SPI_CS_HIGH; + controller->dev.of_node = pdev->dev.parent->of_node; + controller->bits_per_word_mask = SPI_BPW_MASK(8); + controller->setup = at91_usart_spi_setup; + controller->flags = SPI_MASTER_MUST_RX | SPI_MASTER_MUST_TX; + controller->transfer_one = at91_usart_spi_transfer_one; + controller->prepare_message = at91_usart_spi_prepare_message; + controller->unprepare_message = at91_usart_spi_unprepare_message; + controller->cleanup = at91_usart_spi_cleanup; + controller->max_speed_hz = DIV_ROUND_UP(clk_get_rate(clk), + US_MIN_CLK_DIV); + controller->min_speed_hz = DIV_ROUND_UP(clk_get_rate(clk), + US_MAX_CLK_DIV); + platform_set_drvdata(pdev, controller); + + aus = spi_master_get_devdata(controller); + + aus->dev = &pdev->dev; + aus->regs = devm_ioremap_resource(&pdev->dev, regs); + if (IS_ERR(aus->regs)) { + ret = PTR_ERR(aus->regs); + goto at91_usart_spi_probe_fail; + } + + aus->irq = irq; + aus->clk = clk; + + ret = devm_request_irq(&pdev->dev, irq, at91_usart_spi_interrupt, 0, + dev_name(&pdev->dev), controller); + if (ret) + goto at91_usart_spi_probe_fail; + + ret = clk_prepare_enable(clk); + if (ret) + goto at91_usart_spi_probe_fail; + + aus->spi_clk = clk_get_rate(clk); + at91_usart_spi_init(aus); + + spin_lock_init(&aus->lock); + ret = devm_spi_register_master(&pdev->dev, controller); + if (ret) + goto at91_usart_fail_register_master; + + dev_info(&pdev->dev, + "AT91 USART SPI Controller version 0x%x at %pa (irq %d)\n", + at91_usart_spi_readl(aus, VERSION), + &regs->start, irq); + + return 0; + +at91_usart_fail_register_master: + clk_disable_unprepare(clk); +at91_usart_spi_probe_fail: + spi_master_put(controller); + return ret; +} + +static int at91_usart_spi_remove(struct platform_device *pdev) +{ + struct spi_controller *ctlr = platform_get_drvdata(pdev); + struct at91_usart_spi *aus = spi_master_get_devdata(ctlr); + + clk_disable_unprepare(aus->clk); + + return 0; +} + +static const struct of_device_id at91_usart_spi_dt_ids[] = { + { .compatible = "microchip,at91sam9g45-usart-spi"}, + { /* sentinel */} +}; + +MODULE_DEVICE_TABLE(of, at91_usart_spi_dt_ids); + +static struct platform_driver at91_usart_spi_driver = { + .driver = { + .name = "at91_usart_spi", + }, + .probe = at91_usart_spi_probe, + .remove = at91_usart_spi_remove, +}; + +module_platform_driver(at91_usart_spi_driver); + +MODULE_DESCRIPTION("Microchip AT91 USART SPI Controller driver"); +MODULE_AUTHOR("Radu Pirea <radu.pirea@microchip.com>"); +MODULE_LICENSE("GPL v2"); +MODULE_ALIAS("platform:at91_usart_spi"); diff --git a/drivers/tty/serial/Kconfig b/drivers/tty/serial/Kconfig @@ -118,6 +118,7 @@ config SERIAL_ATMEL depends on ARCH_AT91 || COMPILE_TEST select SERIAL_CORE select SERIAL_MCTRL_GPIO if GPIOLIB + select MFD_AT91_USART help This enables the driver for the on-chip UARTs of the Atmel AT91 processors. diff --git a/drivers/tty/serial/atmel_serial.c b/drivers/tty/serial/atmel_serial.c @@ -193,8 +193,7 @@ static struct console atmel_console; #if defined(CONFIG_OF) static const struct of_device_id atmel_serial_dt_ids[] = { - { .compatible = "atmel,at91rm9200-usart" }, - { .compatible = "atmel,at91sam9260-usart" }, + { .compatible = "atmel,at91rm9200-usart-serial" }, { /* sentinel */ } }; #endif @@ -915,6 +914,7 @@ static void atmel_tx_dma(struct uart_port *port) static int atmel_prepare_tx_dma(struct uart_port *port) { struct atmel_uart_port *atmel_port = to_atmel_uart_port(port); + struct device *mfd_dev = port->dev->parent; dma_cap_mask_t mask; struct dma_slave_config config; int ret, nent; @@ -922,7 +922,7 @@ static int atmel_prepare_tx_dma(struct uart_port *port) dma_cap_zero(mask); dma_cap_set(DMA_SLAVE, mask); - atmel_port->chan_tx = dma_request_slave_channel(port->dev, "tx"); + atmel_port->chan_tx = dma_request_slave_channel(mfd_dev, "tx"); if (atmel_port->chan_tx == NULL) goto chan_err; dev_info(port->dev, "using %s for tx DMA transfers\n", @@ -1093,6 +1093,7 @@ static void atmel_rx_from_dma(struct uart_port *port) static int atmel_prepare_rx_dma(struct uart_port *port) { struct atmel_uart_port *atmel_port = to_atmel_uart_port(port); + struct device *mfd_dev = port->dev->parent; struct dma_async_tx_descriptor *desc; dma_cap_mask_t mask; struct dma_slave_config config; @@ -1104,7 +1105,7 @@ static int atmel_prepare_rx_dma(struct uart_port *port) dma_cap_zero(mask); dma_cap_set(DMA_CYCLIC, mask); - atmel_port->chan_rx = dma_request_slave_channel(port->dev, "rx"); + atmel_port->chan_rx = dma_request_slave_channel(mfd_dev, "rx"); if (atmel_port->chan_rx == NULL) goto chan_err; dev_info(port->dev, "using %s for rx DMA transfers\n", @@ -2222,8 +2223,8 @@ static const char *atmel_type(struct uart_port *port) */ static void atmel_release_port(struct uart_port *port) { - struct platform_device *pdev = to_platform_device(port->dev); - int size = pdev->resource[0].end - pdev->resource[0].start + 1; + struct platform_device *mpdev = to_platform_device(port->dev->parent); + int size = resource_size(mpdev->resource); release_mem_region(port->mapbase, size); @@ -2238,8 +2239,8 @@ static void atmel_release_port(struct uart_port *port) */ static int atmel_request_port(struct uart_port *port) { - struct platform_device *pdev = to_platform_device(port->dev); - int size = pdev->resource[0].end - pdev->resource[0].start + 1; + struct platform_device *mpdev = to_platform_device(port->dev->parent); + int size = resource_size(mpdev->resource); if (!request_mem_region(port->mapbase, size, "atmel_serial")) return -EBUSY; @@ -2341,27 +2342,28 @@ static int atmel_init_port(struct atmel_uart_port *atmel_port, { int ret; struct uart_port *port = &atmel_port->uart; + struct platform_device *mpdev = to_platform_device(pdev->dev.parent); atmel_init_property(atmel_port, pdev); atmel_set_ops(port); - uart_get_rs485_mode(&pdev->dev, &port->rs485); + uart_get_rs485_mode(&mpdev->dev, &port->rs485); port->iotype = UPIO_MEM; port->flags = UPF_BOOT_AUTOCONF | UPF_IOREMAP; port->ops = &atmel_pops; port->fifosize = 1; port->dev = &pdev->dev; - port->mapbase = pdev->resource[0].start; - port->irq = pdev->resource[1].start; + port->mapbase = mpdev->resource[0].start; + port->irq = mpdev->resource[1].start; port->rs485_config = atmel_config_rs485; - port->membase = NULL; + port->membase = NULL; memset(&atmel_port->rx_ring, 0, sizeof(atmel_port->rx_ring)); /* for console, the clock could already be configured */ if (!atmel_port->clk) { - atmel_port->clk = clk_get(&pdev->dev, "usart"); + atmel_port->clk = clk_get(&mpdev->dev, "usart"); if (IS_ERR(atmel_port->clk)) { ret = PTR_ERR(atmel_port->clk); atmel_port->clk = NULL; @@ -2694,13 +2696,22 @@ static void atmel_serial_probe_fifos(struct atmel_uart_port *atmel_port, static int atmel_serial_probe(struct platform_device *pdev) { struct atmel_uart_port *atmel_port; - struct device_node *np = pdev->dev.of_node; + struct device_node *np = pdev->dev.parent->of_node; void *data; int ret = -ENODEV; bool rs485_enabled; BUILD_BUG_ON(ATMEL_SERIAL_RINGSIZE & (ATMEL_SERIAL_RINGSIZE - 1)); + /* + * In device tree there is no node with "atmel,at91rm9200-usart-serial" + * as compatible string. This driver is probed by at91-usart mfd driver + * which is just a wrapper over the atmel_serial driver and + * spi-at91-usart driver. All attributes needed by this driver are + * found in of_node of parent. + */ + pdev->dev.of_node = np; + ret = of_alias_get_id(np, "serial"); if (ret < 0) /* port id not found in platform data nor device-tree aliases: @@ -2836,6 +2847,7 @@ static int atmel_serial_remove(struct platform_device *pdev) clk_put(atmel_port->clk); atmel_port->clk = NULL; + pdev->dev.of_node = NULL; return ret; } @@ -2846,7 +2858,7 @@ static struct platform_driver atmel_serial_driver = { .suspend = atmel_serial_suspend, .resume = atmel_serial_resume, .driver = { - .name = "atmel_usart", + .name = "atmel_usart_serial", .of_match_table = of_match_ptr(atmel_serial_dt_ids), }, }; diff --git a/include/dt-bindings/mfd/at91-usart.h b/include/dt-bindings/mfd/at91-usart.h @@ -0,0 +1,17 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * This header provides macros for AT91 USART DT bindings. + * + * Copyright (C) 2018 Microchip Technology + * + * Author: Radu Pirea <radu.pirea@microchip.com> + * + */ + +#ifndef __DT_BINDINGS_AT91_USART_H__ +#define __DT_BINDINGS_AT91_USART_H__ + +#define AT91_USART_MODE_SERIAL 0 +#define AT91_USART_MODE_SPI 1 + +#endif /* __DT_BINDINGS_AT91_USART_H__ */ diff --git a/include/linux/mfd/ingenic-tcu.h b/include/linux/mfd/ingenic-tcu.h @@ -0,0 +1,56 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Header file for the Ingenic JZ47xx TCU driver + */ +#ifndef __LINUX_MFD_INGENIC_TCU_H_ +#define __LINUX_MFD_INGENIC_TCU_H_ + +#include <linux/bitops.h> + +#define TCU_REG_WDT_TDR 0x00 +#define TCU_REG_WDT_TCER 0x04 +#define TCU_REG_WDT_TCNT 0x08 +#define TCU_REG_WDT_TCSR 0x0c +#define TCU_REG_TER 0x10 +#define TCU_REG_TESR 0x14 +#define TCU_REG_TECR 0x18 +#define TCU_REG_TSR 0x1c +#define TCU_REG_TFR 0x20 +#define TCU_REG_TFSR 0x24 +#define TCU_REG_TFCR 0x28 +#define TCU_REG_TSSR 0x2c +#define TCU_REG_TMR 0x30 +#define TCU_REG_TMSR 0x34 +#define TCU_REG_TMCR 0x38 +#define TCU_REG_TSCR 0x3c +#define TCU_REG_TDFR0 0x40 +#define TCU_REG_TDHR0 0x44 +#define TCU_REG_TCNT0 0x48 +#define TCU_REG_TCSR0 0x4c +#define TCU_REG_OST_DR 0xe0 +#define TCU_REG_OST_CNTL 0xe4 +#define TCU_REG_OST_CNTH 0xe8 +#define TCU_REG_OST_TCSR 0xec +#define TCU_REG_TSTR 0xf0 +#define TCU_REG_TSTSR 0xf4 +#define TCU_REG_TSTCR 0xf8 +#define TCU_REG_OST_CNTHBUF 0xfc + +#define TCU_TCSR_RESERVED_BITS 0x3f +#define TCU_TCSR_PARENT_CLOCK_MASK 0x07 +#define TCU_TCSR_PRESCALE_LSB 3 +#define TCU_TCSR_PRESCALE_MASK 0x38 + +#define TCU_TCSR_PWM_SD BIT(9) /* 0: Shutdown abruptly 1: gracefully */ +#define TCU_TCSR_PWM_INITL_HIGH BIT(8) /* Sets the initial output level */ +#define TCU_TCSR_PWM_EN BIT(7) /* PWM pin output enable */ + +#define TCU_WDT_TCER_TCEN BIT(0) /* Watchdog timer enable */ + +#define TCU_CHANNEL_STRIDE 0x10 +#define TCU_REG_TDFRc(c) (TCU_REG_TDFR0 + ((c) * TCU_CHANNEL_STRIDE)) +#define TCU_REG_TDHRc(c) (TCU_REG_TDHR0 + ((c) * TCU_CHANNEL_STRIDE)) +#define TCU_REG_TCNTc(c) (TCU_REG_TCNT0 + ((c) * TCU_CHANNEL_STRIDE)) +#define TCU_REG_TCSRc(c) (TCU_REG_TCSR0 + ((c) * TCU_CHANNEL_STRIDE)) + +#endif /* __LINUX_MFD_INGENIC_TCU_H_ */ diff --git a/include/linux/mfd/intel_msic.h b/include/linux/mfd/intel_msic.h @@ -1,12 +1,9 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* - * include/linux/mfd/intel_msic.h - Core interface for Intel MSIC + * Core interface for Intel MSIC * * Copyright (C) 2011, Intel Corporation * Author: Mika Westerberg <mika.westerberg@linux.intel.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. */ #ifndef __LINUX_MFD_INTEL_MSIC_H__ diff --git a/include/linux/mfd/intel_soc_pmic.h b/include/linux/mfd/intel_soc_pmic.h @@ -1,17 +1,9 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* - * intel_soc_pmic.h - Intel SoC PMIC Driver + * Intel SoC PMIC Driver * * Copyright (C) 2012-2014 Intel Corporation. All rights reserved. * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License version - * 2 as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * * Author: Yang, Bin <bin.yang@intel.com> * Author: Zhu, Lejun <lejun.zhu@linux.intel.com> */ @@ -25,6 +17,7 @@ struct intel_soc_pmic { int irq; struct regmap *regmap; struct regmap_irq_chip_data *irq_chip_data; + struct regmap_irq_chip_data *irq_chip_data_pwrbtn; struct regmap_irq_chip_data *irq_chip_data_tmu; struct regmap_irq_chip_data *irq_chip_data_bcu; struct regmap_irq_chip_data *irq_chip_data_adc; diff --git a/include/linux/mfd/intel_soc_pmic_bxtwc.h b/include/linux/mfd/intel_soc_pmic_bxtwc.h @@ -1,16 +1,8 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * Header file for Intel Broxton Whiskey Cove PMIC * * Copyright (C) 2015 Intel Corporation. All rights reserved. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - * - * This program is distributed in the hope it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. */ #ifndef __INTEL_BXTWC_H__ diff --git a/include/linux/mfd/madera/core.h b/include/linux/mfd/madera/core.h @@ -148,6 +148,7 @@ struct snd_soc_dapm_context; * @internal_dcvdd: true if DCVDD is supplied from the internal LDO1 * @pdata: our pdata * @irq_dev: the irqchip child driver device + * @irq_data: pointer to irqchip data for the child irqchip driver * @irq: host irq number from SPI or I2C configuration * @out_clamp: indicates output clamp state for each analogue output * @out_shorted: indicates short circuit state for each analogue output @@ -175,6 +176,7 @@ struct madera { struct madera_pdata pdata; struct device *irq_dev; + struct regmap_irq_chip_data *irq_data; int irq; unsigned int num_micbias; diff --git a/include/linux/mfd/madera/pdata.h b/include/linux/mfd/madera/pdata.h @@ -24,7 +24,6 @@ struct gpio_desc; struct pinctrl_map; -struct madera_irqchip_pdata; struct madera_codec_pdata; /** diff --git a/include/linux/mfd/max14577-private.h b/include/linux/mfd/max14577-private.h @@ -1,19 +1,10 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ /* * max14577-private.h - Common API for the Maxim 14577/77836 internal sub chip * * Copyright (C) 2014 Samsung Electrnoics * Chanwoo Choi <cw00.choi@samsung.com> * Krzysztof Kozlowski <krzk@kernel.org> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. */ #ifndef __MAX14577_PRIVATE_H__ diff --git a/include/linux/mfd/max14577.h b/include/linux/mfd/max14577.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ /* * max14577.h - Driver for the Maxim 14577/77836 * @@ -5,16 +6,6 @@ * Chanwoo Choi <cw00.choi@samsung.com> * Krzysztof Kozlowski <krzk@kernel.org> * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * * This driver is based on max8997.h * * MAX14577 has MUIC, Charger devices. diff --git a/include/linux/mfd/max77686-private.h b/include/linux/mfd/max77686-private.h @@ -1,22 +1,9 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ /* * max77686-private.h - Voltage regulator driver for the Maxim 77686/802 * * Copyright (C) 2012 Samsung Electrnoics * Chiwoong Byun <woong.byun@samsung.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #ifndef __LINUX_MFD_MAX77686_PRIV_H diff --git a/include/linux/mfd/max77686.h b/include/linux/mfd/max77686.h @@ -1,23 +1,10 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ /* * max77686.h - Driver for the Maxim 77686/802 * * Copyright (C) 2012 Samsung Electrnoics * Chiwoong Byun <woong.byun@samsung.com> * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - * * This driver is based on max8997.h * * MAX77686 has PMIC, RTC devices. diff --git a/include/linux/mfd/max77693-common.h b/include/linux/mfd/max77693-common.h @@ -1,12 +1,8 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ /* * Common data shared between Maxim 77693 and 77843 drivers * * Copyright (C) 2015 Samsung Electronics - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. */ #ifndef __LINUX_MFD_MAX77693_COMMON_H diff --git a/include/linux/mfd/max77693-private.h b/include/linux/mfd/max77693-private.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ /* * max77693-private.h - Voltage regulator driver for the Maxim 77693 * @@ -5,20 +6,6 @@ * SangYoung Son <hello.son@samsung.com> * * This program is not provided / owned by Maxim Integrated Products. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #ifndef __LINUX_MFD_MAX77693_PRIV_H diff --git a/include/linux/mfd/max77693.h b/include/linux/mfd/max77693.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ /* * max77693.h - Driver for the Maxim 77693 * @@ -6,20 +7,6 @@ * * This program is not provided / owned by Maxim Integrated Products. * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - * * This driver is based on max8997.h * * MAX77693 has PMIC, Charger, Flash LED, Haptic, MUIC devices. diff --git a/include/linux/mfd/max77843-private.h b/include/linux/mfd/max77843-private.h @@ -1,14 +1,10 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ /* * Common variables for the Maxim MAX77843 driver * * Copyright (C) 2015 Samsung Electronics * Author: Jaewon Kim <jaewon02.kim@samsung.com> * Author: Beomho Seo <beomho.seo@samsung.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. */ #ifndef __MAX77843_PRIVATE_H_ diff --git a/include/linux/mfd/max8997-private.h b/include/linux/mfd/max8997-private.h @@ -1,22 +1,9 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ /* * max8997-private.h - Voltage regulator driver for the Maxim 8997 * * Copyright (C) 2010 Samsung Electrnoics * MyungJoo Ham <myungjoo.ham@samsung.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #ifndef __LINUX_MFD_MAX8997_PRIV_H diff --git a/include/linux/mfd/max8997.h b/include/linux/mfd/max8997.h @@ -1,23 +1,10 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ /* * max8997.h - Driver for the Maxim 8997/8966 * * Copyright (C) 2009-2010 Samsung Electrnoics * MyungJoo Ham <myungjoo.ham@samsung.com> * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - * * This driver is based on max8998.h * * MAX8997 has PMIC, MUIC, HAPTIC, RTC, FLASH, and Fuel Gauge devices. @@ -178,7 +165,6 @@ struct max8997_led_platform_data { struct max8997_platform_data { /* IRQ */ int ono; - int wakeup; /* ---- PMIC ---- */ struct max8997_regulator_data *regulators; diff --git a/include/linux/mfd/max8998-private.h b/include/linux/mfd/max8998-private.h @@ -1,23 +1,10 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ /* * max8998-private.h - Voltage regulator driver for the Maxim 8998 * * Copyright (C) 2009-2010 Samsung Electrnoics * Kyungmin Park <kyungmin.park@samsung.com> * Marek Szyprowski <m.szyprowski@samsung.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #ifndef __LINUX_MFD_MAX8998_PRIV_H diff --git a/include/linux/mfd/max8998.h b/include/linux/mfd/max8998.h @@ -1,23 +1,10 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ /* * max8998.h - Voltage regulator driver for the Maxim 8998 * * Copyright (C) 2009-2010 Samsung Electrnoics * Kyungmin Park <kyungmin.park@samsung.com> * Marek Szyprowski <m.szyprowski@samsung.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #ifndef __LINUX_MFD_MAX8998_H diff --git a/include/linux/mfd/mc13xxx.h b/include/linux/mfd/mc13xxx.h @@ -249,6 +249,7 @@ struct mc13xxx_platform_data { #define MC13XXX_ADC0_TSMOD0 (1 << 12) #define MC13XXX_ADC0_TSMOD1 (1 << 13) #define MC13XXX_ADC0_TSMOD2 (1 << 14) +#define MC13XXX_ADC0_CHRGRAWDIV (1 << 15) #define MC13XXX_ADC0_ADINC1 (1 << 16) #define MC13XXX_ADC0_ADINC2 (1 << 17) diff --git a/include/linux/mfd/samsung/core.h b/include/linux/mfd/samsung/core.h @@ -1,14 +1,7 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ /* - * core.h - * - * copyright (c) 2011 Samsung Electronics Co., Ltd + * Copyright (c) 2011 Samsung Electronics Co., Ltd * http://www.samsung.com - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - * */ #ifndef __LINUX_MFD_SEC_CORE_H diff --git a/include/linux/mfd/samsung/irq.h b/include/linux/mfd/samsung/irq.h @@ -1,13 +1,7 @@ -/* irq.h - * +/* SPDX-License-Identifier: GPL-2.0+ */ +/* * Copyright (c) 2012 Samsung Electronics Co., Ltd * http://www.samsung.com - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - * */ #ifndef __LINUX_MFD_SEC_IRQ_H diff --git a/include/linux/mfd/samsung/rtc.h b/include/linux/mfd/samsung/rtc.h @@ -1,18 +1,7 @@ -/* rtc.h - * +/* SPDX-License-Identifier: GPL-2.0+ */ +/* * Copyright (c) 2011-2014 Samsung Electronics Co., Ltd * http://www.samsung.com - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * */ #ifndef __LINUX_MFD_SEC_RTC_H diff --git a/include/linux/mfd/samsung/s2mpa01.h b/include/linux/mfd/samsung/s2mpa01.h @@ -1,12 +1,7 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ /* * Copyright (c) 2013 Samsung Electronics Co., Ltd * http://www.samsung.com - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - * */ #ifndef __LINUX_MFD_S2MPA01_H diff --git a/include/linux/mfd/samsung/s2mps11.h b/include/linux/mfd/samsung/s2mps11.h @@ -1,14 +1,7 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ /* - * s2mps11.h - * * Copyright (c) 2012 Samsung Electronics Co., Ltd * http://www.samsung.com - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - * */ #ifndef __LINUX_MFD_S2MPS11_H diff --git a/include/linux/mfd/samsung/s2mps13.h b/include/linux/mfd/samsung/s2mps13.h @@ -1,19 +1,7 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ /* - * s2mps13.h - * * Copyright (c) 2014 Samsung Electronics Co., Ltd * http://www.samsung.com - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * */ #ifndef __LINUX_MFD_S2MPS13_H diff --git a/include/linux/mfd/samsung/s2mps14.h b/include/linux/mfd/samsung/s2mps14.h @@ -1,19 +1,7 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ /* - * s2mps14.h - * * Copyright (c) 2014 Samsung Electronics Co., Ltd * http://www.samsung.com - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * */ #ifndef __LINUX_MFD_S2MPS14_H diff --git a/include/linux/mfd/samsung/s2mps15.h b/include/linux/mfd/samsung/s2mps15.h @@ -1,16 +1,7 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ /* * Copyright (c) 2015 Samsung Electronics Co., Ltd * http://www.samsung.com - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. */ #ifndef __LINUX_MFD_S2MPS15_H diff --git a/include/linux/mfd/samsung/s2mpu02.h b/include/linux/mfd/samsung/s2mpu02.h @@ -1,19 +1,7 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ /* - * s2mpu02.h - * * Copyright (c) 2014 Samsung Electronics Co., Ltd * http://www.samsung.com - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * */ #ifndef __LINUX_MFD_S2MPU02_H diff --git a/include/linux/mfd/samsung/s5m8763.h b/include/linux/mfd/samsung/s5m8763.h @@ -1,13 +1,7 @@ -/* s5m8763.h - * +/* SPDX-License-Identifier: GPL-2.0+ */ +/* * Copyright (c) 2011 Samsung Electronics Co., Ltd * http://www.samsung.com - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - * */ #ifndef __LINUX_MFD_S5M8763_H diff --git a/include/linux/mfd/samsung/s5m8767.h b/include/linux/mfd/samsung/s5m8767.h @@ -1,13 +1,7 @@ -/* s5m8767.h - * +/* SPDX-License-Identifier: GPL-2.0+ */ +/* * Copyright (c) 2011 Samsung Electronics Co., Ltd * http://www.samsung.com - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - * */ #ifndef __LINUX_MFD_S5M8767_H diff --git a/include/linux/mfd/ti-lmu.h b/include/linux/mfd/ti-lmu.h @@ -16,6 +16,7 @@ #include <linux/gpio.h> #include <linux/notifier.h> #include <linux/regmap.h> +#include <linux/gpio/consumer.h> /* Notifier event */ #define LMU_EVENT_MONITOR_DONE 0x01 @@ -81,7 +82,7 @@ enum lm363x_regulator_id { struct ti_lmu { struct device *dev; struct regmap *regmap; - int en_gpio; + struct gpio_desc *en_gpio; struct blocking_notifier_head notifier; }; #endif