diff options
| author | Dan Murphy <dmurphy@ti.com> | 2017-07-12 21:37:00 +0300 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2017-07-17 18:22:28 +0300 |
| commit | b9045b9c6b79d2ea5b888a0f9e9aa156d09ba8a9 (patch) | |
| tree | a865e0d7fa0f89f5b38b5b8c02b1aed0c31bba0d /include/sound | |
| parent | fde0543f1129967dfa73f1fa3477c7fe12052da5 (diff) | |
| download | linux-b9045b9c6b79d2ea5b888a0f9e9aa156d09ba8a9.tar.xz | |
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 'include/sound')
| -rw-r--r-- | include/sound/tlv320aic32x4.h | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/include/sound/tlv320aic32x4.h b/include/sound/tlv320aic32x4.h index 24e5d991f148..22305c0ab31a 100644 --- a/include/sound/tlv320aic32x4.h +++ b/include/sound/tlv320aic32x4.h @@ -22,7 +22,30 @@ #define AIC32X4_MICPGA_ROUTE_LMIC_IN2R_10K 0x00000001 #define AIC32X4_MICPGA_ROUTE_RMIC_IN1L_10K 0x00000002 +/* GPIO API */ +#define AIC32X4_MFPX_DEFAULT_VALUE 0xff + +#define AIC32X4_MFP1_DIN_DISABLED 0 +#define AIC32X4_MFP1_DIN_ENABLED 0x2 +#define AIC32X4_MFP1_GPIO_IN 0x4 + +#define AIC32X4_MFP2_GPIO_OUT_LOW 0x0 +#define AIC32X4_MFP2_GPIO_OUT_HIGH 0x1 + +#define AIC32X4_MFP_GPIO_ENABLED 0x4 + +#define AIC32X4_MFP5_GPIO_DISABLED 0x0 +#define AIC32X4_MFP5_GPIO_INPUT 0x8 +#define AIC32X4_MFP5_GPIO_OUTPUT 0xc +#define AIC32X4_MFP5_GPIO_OUT_LOW 0x0 +#define AIC32X4_MFP5_GPIO_OUT_HIGH 0x1 + +struct aic32x4_setup_data { + unsigned int gpio_func[5]; +}; + struct aic32x4_pdata { + struct aic32x4_setup_data *setup; u32 power_cfg; u32 micpga_routing; bool swapdacs; |