TWL4030SW-LINUX

The Linux driver supports the TWL4030 series of Integrated Power Management ICs. The Linux driver supports communication through the I2C bus and interfaces with various sub-systems.

Linux Mainline Status

Available in Linux Main line: Yes
Available through git.ti.com: N/A

Supported Devices:

• twl4030
• twl5030
• twl5031
• tps65950
• tps65930
• tps65920
• tps65921
• twl6030
• twl6032

Linux Source Files

The files associated with this device are:

1. drivers/gpio/gpio-twl4030.c
2. drivers/hwmon/twl4030-madc-hwmon.c
3. drivers/iio/adc/twl4030-madc.c
4. drivers/input/keyboard/twl4030_keypad.c
5. drivers/input/misc/twl4030-pwrbutton.c
6. drivers/input/misc/twl4030-vibra.c
7. drivers/mfd/twl-core.c
8. drivers/mfd/twl4030-audio.c
9. drivers/mfd/twl4030-irq.c
10. drivers/mfd/twl4030-power.c
11. drivers/phy/phy-twl4030-usb.c
12. drivers/power/twl4030_charger.c
13. drivers/power/twl4030_madc_battery.c
14. drivers/pwm/pwm-twl-led.c
15. drivers/pwm/pwm-twl.c
16. drivers/regulator/twl-regulator.c
17. drivers/rtc/rtc-twl.c
18. drivers/usb/phy/phy-twl6030-usb.c
19. drivers/watchdog/twl4030_wdt.c
20. sound/soc/omap/omap-twl4030.c
21. sound/soc/codecs/twl4030.c
22. Documentation/devicetree/bindings/gpio/gpio-twl4030.txt
23. Documentation/devicetree/bindings/iio/adc/twl4030-madc.txt
24. Documentation/devicetree/bindings/input/twl4030-keypad.txt
25. Documentation/devicetree/bindings/input/twl4030-pwrbutton.txt
26. Documentation/devicetree/bindings/mfd/twl-familly.txt
27. Documentation/devicetree/bindings/mfd/twl4030-audio.txt
28. Documentation/devicetree/bindings/mfd/twl4030-power.txt
29. Documentation/devicetree/bindings/power/twl-charger.txt
30. Documentation/devicetree/bindings/pwm/ti,twl-pwm.txt
31. Documentation/devicetree/bindings/pwm/ti,twl-pwmled.txt
32. Documentation/devicetree/bindings/regulator/twl-regulator.txt
33. Documentation/devicetree/bindings/rtc/twl-rtc.txt
34. Documentation/devicetree/bindings/sound/omap-twl4030.txt
35. Documentation/devicetree/bindings/usb/twlxxxx-usb.txt
36. Documentation/devicetree/bindings/watchdog/twl4030-wdt.txt
37. Documentation/hwmon/twl4030-madc-hwmon
38. Documentation/watchdog/watchdog-parameters.txt
39. Documentation/ABI/testing/sysfs-platform-twl4030-usb
40. arch/arm/boot/dts/twl4030.dtsi
41. arch/arm/boot/dts/twl4030_omap3.dtsi
42. arch/arm/boot/dts/twl6030.dtsi
43. drivers/mfd/twl-core.h
44. include/linux/i2c/twl.h
45. include/linux/i2c/twl4030-madc.h
46. include/linux/mfd/twl4030-audio.h
47. include/linux/platform_data/omap-twl4030.h
48. include/linux/power/twl4030_madc_battery.h

Source Files

drivers/gpio/gpio-twl4030.c
drivers/hwmon/twl4030-madc-hwmon.c
drivers/iio/adc/twl4030-madc.c
drivers/input/keyboard/twl4030_keypad.c
drivers/input/misc/twl4030-pwrbutton.c
drivers/input/misc/twl4030-vibra.c
drivers/mfd/twl-core.c
drivers/mfd/twl4030-audio.c
drivers/mfd/twl4030-irq.c
drivers/mfd/twl4030-power.c
drivers/phy/phy-twl4030-usb.c
drivers/power/twl4030_charger.c
drivers/power/twl4030_madc_battery.c
drivers/pwm/pwm-twl-led.c
drivers/pwm/pwm-twl.c
drivers/regulator/twl-regulator.c
drivers/rtc/rtc-twl.c
drivers/usb/phy/phy-twl6030-usb.c
drivers/watchdog/twl4030_wdt.c
sound/soc/omap/omap-twl4030.c
sound/soc/codecs/twl4030.c

Linux Device Tree Documenation

Documentation/devicetree/bindings/gpio/gpio-twl4030.txt
Documentation/devicetree/bindings/iio/adc/twl4030-madc.txt
Documentation/devicetree/bindings/input/twl4030-keypad.txt
Documentation/devicetree/bindings/input/twl4030-pwrbutton.txt
Documentation/devicetree/bindings/mfd/twl-familly.txt
Documentation/devicetree/bindings/mfd/twl4030-audio.txt
Documentation/devicetree/bindings/mfd/twl4030-power.txt
Documentation/devicetree/bindings/power/twl-charger.txt
Documentation/devicetree/bindings/pwm/ti,twl-pwm.txt
Documentation/devicetree/bindings/pwm/ti,twl-pwmled.txt
Documentation/devicetree/bindings/regulator/twl-regulator.txt
Documentation/devicetree/bindings/rtc/twl-rtc.txt
Documentation/devicetree/bindings/sound/omap-twl4030.txt
Documentation/devicetree/bindings/usb/twlxxxx-usb.txt
Documentation/devicetree/bindings/watchdog/twl4030-wdt.txt

Other Files

Documentation/hwmon/twl4030-madc-hwmon
Documentation/watchdog/watchdog-parameters.txt
Documentation/ABI/testing/sysfs-platform-twl4030-usb
arch/arm/boot/dts/twl4030.dtsi
arch/arm/boot/dts/twl4030_omap3.dtsi
arch/arm/boot/dts/twl6030.dtsi
drivers/mfd/twl-core.h
include/linux/i2c/twl.h
include/linux/i2c/twl4030-madc.h
include/linux/mfd/twl4030-audio.h
include/linux/platform_data/omap-twl4030.h
include/linux/power/twl4030_madc_battery.h

Enabling Driver Support

Configure kernel with "make menuconfig" (alternatively use "make xconfig" or"make nconfig")

Menuconfig Location

Symbol: GPIO_TWL4030 [=y]Type  : tristatePrompt: TWL4030, TWL5030, and TPS659x0 GPIOs  Location:    -> Device Drivers      -> GPIO Support (GPIOLIB [=y])        -> MFD GPIO expanders  Defined at drivers/gpio/Kconfig:847  Depends on: GPIOLIB [=y] && TWL4030_CORE [=y]Symbol: SENSORS_TWL4030_MADC [=y]Type  : tristatePrompt: Texas Instruments TWL4030 MADC Hwmon  Location:    -> Device Drivers      -> Hardware Monitoring support (HWMON [=y])  Defined at drivers/hwmon/Kconfig:1528  Depends on: HWMON [=y] && TWL4030_MADC [=y]Symbol: TWL4030_MADC [=y]Type  : tristatePrompt: TWL4030 MADC (Monitoring A/D Converter)  Location:    -> Device Drivers      -> Industrial I/O support (IIO [=y])        -> Analog to digital converters  Defined at drivers/iio/adc/Kconfig:337  Depends on: IIO [=y] && TWL4030_CORE [=y]Symbol: BATTERY_TWL4030_MADC [=y]Type  : tristatePrompt: TWL4030 MADC battery driver  Location:    -> Device Drivers      -> Power supply class support (POWER_SUPPLY [=y])  Defined at drivers/power/Kconfig:255  Depends on: POWER_SUPPLY [=y] && TWL4030_MADC [=y]Symbol: SENSORS_TWL4030_MADC [=y]Type  : tristatePrompt: Texas Instruments TWL4030 MADC Hwmon  Location:    -> Device Drivers      -> Hardware Monitoring support (HWMON [=y])  Defined at drivers/hwmon/Kconfig:1528  Depends on: HWMON [=y] && TWL4030_MADC [=y]Symbol: KEYBOARD_TWL4030 [=y]Type  : tristatePrompt: TI TWL4030/TWL5030/TPS659x0 keypad support  Location:    -> Device Drivers      -> Input device support        -> Generic input layer (needed for keyboard, mouse, ...) (INPUT [=y])          -> Keyboards (INPUT_KEYBOARD [=y])  Defined at drivers/input/keyboard/Kconfig:654  Depends on: !UML && INPUT [=y] && INPUT_KEYBOARD [=y] && TWL4030_CORE [=y]  Selects: INPUT_MATRIXKMAP [=y]Symbol: INPUT_TWL4030_PWRBUTTON [=y]Type  : tristatePrompt: TWL4030 Power button Driver  Location:    -> Device Drivers      -> Input device support        -> Generic input layer (needed for keyboard, mouse, ...) (INPUT [=y])          -> Miscellaneous devices (INPUT_MISC [=y])  Defined at drivers/input/misc/Kconfig:462  Depends on: !UML && INPUT [=y] && INPUT_MISC [=y] && TWL4030_CORE [=y]Symbol: INPUT_TWL4030_VIBRA [=y]Type  : tristatePrompt: Support for TWL4030 Vibrator  Location:    -> Device Drivers      -> Input device support        -> Generic input layer (needed for keyboard, mouse, ...) (INPUT [=y])          -> Miscellaneous devices (INPUT_MISC [=y])  Defined at drivers/input/misc/Kconfig:472  Depends on: !UML && INPUT [=y] && INPUT_MISC [=y] && TWL4030_CORE [=y]  Selects: MFD_TWL4030_AUDIO [=y] && INPUT_FF_MEMLESS [=y]Symbol: TWL4030_CORE [=y]Type  : booleanPrompt: TI TWL4030/TWL5030/TWL6030/TPS659x0 Support  Location:    -> Device Drivers      -> Multifunction device drivers  Defined at drivers/mfd/Kconfig:1210  Depends on: HAS_IOMEM [=y] && I2C [=y]=y  Selects: IRQ_DOMAIN [=y] && REGMAP_I2C [=y]  Selected by: ARCH_OMAP2PLUS_TYPICAL [=y] && (ARCH_MULTI_V6 [=y] || ARCH_MULTI_V7 [=y]) && ARCH_OMAP2PLUS [=y] && (ARCH_OMAP3 [=y] || ARCH_OMAP4 [=y])Symbol: TWL4030_POWER [=y]Type  : booleanPrompt: TI TWL4030 power resources  Location:    -> Device Drivers      -> Multifunction device drivers        -> TI TWL4030/TWL5030/TWL6030/TPS659x0 Support (TWL4030_CORE [=y])  Defined at drivers/mfd/Kconfig:1226  Depends on: HAS_IOMEM [=y] && TWL4030_CORE [=y] && ARM [=y]  Selected by: ARCH_OMAP2PLUS_TYPICAL [=y] && (ARCH_MULTI_V6 [=y] || ARCH_MULTI_V7 [=y]) && ARCH_OMAP2PLUS [=y] && (ARCH_OMAP3 [=y] || ARCH_OMAP4 [=y])Symbol: MFD_TWL4030_AUDIO [=y]Type  : booleanPrompt: TI TWL4030 Audio  Location:    -> Device Drivers      -> Multifunction device drivers        -> TI TWL4030/TWL5030/TWL6030/TPS659x0 Support (TWL4030_CORE [=y])  Defined at drivers/mfd/Kconfig:1239  Depends on: HAS_IOMEM [=y] && TWL4030_CORE [=y]  Selects: MFD_CORE [=y]  Selected by: INPUT_TWL4030_VIBRA [=y] && !UML && INPUT [=y] && INPUT_MISC [=y] && TWL4030_CORE [=y] || SND_SOC_TWL4030 [=y] && SOUND [=y] && !M68K && !UML && SND [=y] && SND_SOC [=y]Symbol: TWL4030_USB [=y]Type  : tristatePrompt: TWL4030 USB Transceiver Driver  Location:    -> Device Drivers      -> PHY Subsystem  Defined at drivers/phy/Kconfig:158  Depends on: TWL4030_CORE [=y] && REGULATOR_TWL4030 [=y] && USB_MUSB_OMAP2PLUS [=y] && USB_SUPPORT [=y]  Selects: GENERIC_PHY [=y] && USB_PHY [=y]Symbol: BATTERY_TWL4030_MADC [=y]Type  : tristatePrompt: TWL4030 MADC battery driver  Location:    -> Device Drivers      -> Power supply class support (POWER_SUPPLY [=y])  Defined at drivers/power/Kconfig:255  Depends on: POWER_SUPPLY [=y] && TWL4030_MADC [=y]Symbol: CHARGER_TWL4030 [=y]Type  : tristatePrompt: OMAP TWL4030 BCI charger driver  Location:    -> Device Drivers      -> Power supply class support (POWER_SUPPLY [=y])  Defined at drivers/power/Kconfig:314  Depends on: POWER_SUPPLY [=y] && TWL4030_CORE [=y]Symbol: TWL4030_WATCHDOG [=y]Type  : tristatePrompt: TWL4030 Watchdog  Location:    -> Device Drivers      -> Watchdog Timer Support (WATCHDOG [=y])  Defined at drivers/watchdog/Kconfig:402  Depends on: WATCHDOG [=y] && TWL4030_CORE [=y]  Selects: WATCHDOG_CORE [=y]Symbol: SND_SOC_TWL4030 [=y]Type  : tristate  Defined at sound/soc/codecs/Kconfig:690  Depends on: SOUND [=y] && !M68K && !UML && SND [=y] && SND_SOC [=y]  Selects: MFD_TWL4030_AUDIO [=y]  Selected by: SND_OMAP_SOC_OMAP_TWL4030 [=y] && SOUND [=y] && !M68K && !UML && SND [=y] && SND_SOC [=y] && TWL4030_CORE [=y] && SND_OMAP_SOC [=y] || SND_OMAP_SOC_OMAP3_PANDORA [=y] && SOUND [=y] && !M68K && !UML && SND [=y] && SND_SOC [=y] && TWL4030_CORE [=y] && SND_OMAP_SOC [=y] && MACH_OMAP3_PANDORA [=y] || SND_SOC_ALL_CODECS [=y] && SOUND [=y] && !M68K && !UML && SND [=y] && SND_SOC [=y] && COMPILE_TEST [=y] && TWL4030_CORE [=y]Symbol: SND_OMAP_SOC_OMAP_TWL4030 [=y]Type  : tristatePrompt: SoC Audio support for TI SoC based boards with twl4030 codec  Location:    -> Device Drivers      -> Sound card support (SOUND [=y])        -> Advanced Linux Sound Architecture (SND [=y])          -> ALSA for SoC audio support (SND_SOC [=y])  Defined at sound/soc/omap/Kconfig:86  Depends on: SOUND [=y] && !M68K && !UML && SND [=y] && SND_SOC [=y] && TWL4030_CORE [=y] && SND_OMAP_SOC [=y]  Selects: SND_OMAP_SOC_MCBSP [=y] && SND_SOC_TWL4030 [=y]

Fixes and Code Enhancements

If there are fixes and or code enhancements that need to be added to thisdriver please either1. Send the patches to the relevant Linux Kernel community as listed in the maintainers file located: Hereor2.  Contact your TI representative.