diff options
| author | Chao Jiang <chaoj@nvidia.com> | 2011-02-25 17:52:16 +0900 |
|---|---|---|
| committer | Varun Colbert <vcolbert@nvidia.com> | 2011-03-04 18:25:35 -0800 |
| commit | b68ba5254adf9818bf792764f91decf139ecf4d7 (patch) | |
| tree | 7740643dbd0f8121984359fe0c759f3952d1dbc9 /include | |
| parent | 006978e984398621621a62a761d5b70d566c6e7f (diff) | |
ASoC: WM8903: Expose gpio pins via GPIOLIB
Exposed gpio pins on wm8903 via GPIOLIB. This will help ALSA control
drivers to manipulate the codec much more easier.
Change-Id: I070eafa6e9a533cc0c285c1780d1b8393105def1
Reviewed-on: http://git-master/r/20883
Reviewed-by: Varun Colbert <vcolbert@nvidia.com>
Tested-by: Varun Colbert <vcolbert@nvidia.com>
Diffstat (limited to 'include')
| -rw-r--r-- | include/sound/wm8903.h | 23 |
1 files changed, 22 insertions, 1 deletions
diff --git a/include/sound/wm8903.h b/include/sound/wm8903.h index b4a0db2307ef..3c993bd23f2c 100644 --- a/include/sound/wm8903.h +++ b/include/sound/wm8903.h @@ -15,6 +15,22 @@ #define WM8903_GPIO_NO_CONFIG 0x8000 /* + * WM8903_GPn_FN values + * + * See datasheets for list of valid values per pin + */ +#define WM8903_GPn_FN_GPIO_OUTPUT 0 +#define WM8903_GPn_FN_GPIO_BCLK 1 +#define WM8903_GPn_FN_GPIO_IRQ_OUTPUT 1 +#define WM8903_GPn_FN_GPIO_INPUT 3 +#define WM8903_GPn_FN_GPIO_MICBIAS_CURRENT_DETECT 4 +#define WM8903_GPn_FN_GPIO_MICBIAS_SHORT_DETECT 5 +#define WM8903_GPn_FN_GPIO_DMIC_LR_CLK_OUTPUT 6 +#define WM8903_GPn_FN_GPIO_RESERVED 7 +#define WM8903_GPn_FN_GPIO_FLL_LOCK_OUTPUT 8 +#define WM8903_GPn_FN_GPIO_FFL_CLOCK_OUTPUT 9 + +/* * R6 (0x06) - Mic Bias Control 0 */ #define WM8903_MICDET_HYST_ENA 0x0080 /* MICDET_HYST_ENA */ @@ -231,6 +247,9 @@ #define WM8903_GP5_DB_SHIFT 0 /* GP5_DB */ #define WM8903_GP5_DB_WIDTH 1 /* GP5_DB */ +/* the number of gpio pins */ +#define WM8903_NUM_GPIO 5 + struct wm8903_platform_data { bool irq_active_low; /* Set if IRQ active low, default high */ @@ -243,7 +262,9 @@ struct wm8903_platform_data { int micdet_delay; /* Delay after microphone detection (ms) */ - u32 gpio_cfg[5]; /* Default register values for GPIO pin mux */ + int gpio_base; + + u32 gpio_cfg[WM8903_NUM_GPIO]; /* Default register values for GPIO pin mux */ }; #endif |