diff options
| author | Dan Murphy <dmurphy@ti.com> | 2017-07-12 13:37:00 -0500 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2017-07-17 16:22:28 +0100 |
| commit | b9045b9c6b79d2ea5b888a0f9e9aa156d09ba8a9 (patch) | |
| tree | a865e0d7fa0f89f5b38b5b8c02b1aed0c31bba0d /Documentation | |
| parent | fde0543f1129967dfa73f1fa3477c7fe12052da5 (diff) | |
| download | talos-obmc-linux-b9045b9c6b79d2ea5b888a0f9e9aa156d09ba8a9.tar.gz talos-obmc-linux-b9045b9c6b79d2ea5b888a0f9e9aa156d09ba8a9.zip | |
ASoC: tlv320aic32x4: Add gpio configuration to the codec
Add the ability to configure the MFP1->MFP5 registers
as GPIOs. In addition adding ALSA controls to get and set
the GPIO state.
Per the data sheet each MFP can be configured as a GPIO
input only, output only or either an input or output.
Signed-off-by: Dan Murphy <dmurphy@ti.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/devicetree/bindings/sound/tlv320aic32x4.txt | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/sound/tlv320aic32x4.txt b/Documentation/devicetree/bindings/sound/tlv320aic32x4.txt index 9651fc7503a4..ca75890f0d07 100644 --- a/Documentation/devicetree/bindings/sound/tlv320aic32x4.txt +++ b/Documentation/devicetree/bindings/sound/tlv320aic32x4.txt @@ -20,6 +20,8 @@ Optional properties: - reset-gpios: Reset-GPIO phandle with args as described in gpio/gpio.txt - clocks/clock-names: Clock named 'mclk' for the master clock of the codec. See clock/clock-bindings.txt for information about the detailed format. + - aic32x4-gpio-func - <array of 5 int> + - Types are defined in include/sound/tlv320aic32x4.h Example: @@ -29,4 +31,11 @@ codec: tlv320aic32x4@18 { reg = <0x18>; clocks = <&clks 201>; clock-names = "mclk"; + aic32x4-gpio-func= < + 0xff /* AIC32X4_MFPX_DEFAULT_VALUE */ + 0xff /* AIC32X4_MFPX_DEFAULT_VALUE */ + 0x04 /* MFP3 AIC32X4_MFP3_GPIO_ENABLED */ + 0xff /* AIC32X4_MFPX_DEFAULT_VALUE */ + 0x08 /* MFP5 AIC32X4_MFP5_GPIO_INPUT */ + >; }; |
