TWL6040SW-LINUX

Linux Driver for TWL6040

TWL6040SW-LINUX

Overview

 

Linux Mainline Status

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

Supported Devices:

  • twl6040
  • twl6041

 

Linux Source Files

The files associated with this device are:

  1. drivers/mfd/twl6040.c
  2. drivers/clk/clk-twl6040.c
  3. drivers/gpio/gpio-twl6040.c
  4. drivers/input/misc/twl6040-vibra.c
  5. sound/soc/codecs/twl6040.c
  6. sound/soc/omap/omap-abe-twl6040.c
  7. Documentation/devicetree/bindings/mfd/twl6040.txt
  8. Documentation/devicetree/bindings/sound/omap-abe-twl6040.txt
  9. include/linux/i2c/twl.h
  10. include/linux/mfd/twl6040.h
  11. sound/soc/codecs/twl6040.h

Source Files

drivers/mfd/twl6040.c
drivers/clk/clk-twl6040.c
drivers/gpio/gpio-twl6040.c
drivers/input/misc/twl6040-vibra.c
sound/soc/codecs/twl6040.c
sound/soc/omap/omap-abe-twl6040.c

Linux Device Tree Documenation

Documentation/devicetree/bindings/mfd/twl6040.txt
Documentation/devicetree/bindings/sound/omap-abe-twl6040.txt

Other Files

include/linux/i2c/twl.h
include/linux/mfd/twl6040.h
sound/soc/codecs/twl6040.h

 

Enabling Driver Support

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

Menuconfig Location

Symbol: TWL6040_CORE [=y]Type  : booleanPrompt: TI TWL6040 audio codec  Location:    -> Device Drivers      -> Multifunction device drivers  Defined at drivers/mfd/Kconfig:1204  Depends on: HAS_IOMEM [=y] && I2C [=y]=y  Selects: MFD_CORE [=y] && REGMAP_I2C [=y] && REGMAP_IRQ [=y] Symbol: CLK_TWL6040 [=y]Type  : tristatePrompt: External McPDM functional clock from twl6040  Location:    -> Device Drivers      -> Common Clock Framework  Defined at drivers/clk/Kconfig:106  Depends on: COMMON_CLK [=y] && TWL6040_CORE [=y] Symbol: GPIO_TWL6040 [=y]Type  : tristatePrompt: TWL6040 GPO  Location:    -> Device Drivers      -> GPIO Support (GPIOLIB [=y])        -> MFD GPIO expanders  Defined at drivers/gpio/Kconfig:854  Depends on: GPIOLIB [=y] && TWL6040_CORE [=y] Symbol: INPUT_TWL6040_VIBRA [=y]Type  : tristatePrompt: Support for TWL6040 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:495  Depends on: !UML && INPUT [=y] && INPUT_MISC [=y] && TWL6040_CORE [=y]  Selects: INPUT_FF_MEMLESS [=y] Symbol: SND_SOC_TWL6040 [=y]Type  : tristate  Defined at sound/soc/codecs/Kconfig:669  Depends on: SOUND [=y] && !M68K && !UML && SND [=y] && SND_SOC [=y]  Selected by: SND_OMAP_SOC_OMAP_ABE_TWL6040 [=y] && SOUND [=y] && !M68K && !UML && SND [=y] && SND_SOC [=y] && TWL6040_CORE [=y] && SND_OMAP_SOC [=y] && (ARCH_OMAP4 [=y] || SOC_OMAP5 [=y] && MFD_PALMAS [=y] || COMPILE_TEST [=y]) || SND_SOC_ALL_CODECS [=y] && SOUND [=y] && !M68K && !UML && SND [=y] && SND_SOC [=y] && COMPILE_TEST [=y] && TWL6040_CORE [=y] Symbol: SND_OMAP_SOC_OMAP_ABE_TWL6040 [=y]Type  : tristatePrompt: SoC Audio support for OMAP boards using ABE and twl6040 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:101  Depends on: SOUND [=y] && !M68K && !UML && SND [=y] && SND_SOC [=y] && TWL6040_CORE [=y] && SND_OMAP_SOC [=y] && (ARCH_OMAP4 [=y] || SOC_OMAP5 [=y] && MFD_PALMAS [=y] || COMPILE_TEST [=y])  Selects: SND_OMAP_SOC_DMIC [=y] && SND_OMAP_SOC_MCPDM [=y] && SND_SOC_TWL6040 [=y] && SND_SOC_DMIC [=y] && COMMON_CLK_PALMAS [=y] 

Fixes and Code Enhancements

 

If there are fixes and or code enhancements that need to be added to thisdriver please either 1. Send the patches to the relevant Linux Kernel community as listed in the maintainers file located: Here or 2.  Contact your TI representative.

 

Multi-channel ICs (PMICs)
TWL6040 8-Channel High Quality Low-Power Audio Codec For Portable Applications TWL6041 8-Channel High Quality Low-Power Audio Codec For Portable Applications
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