diff options
| author | Nicolin Chen <b42378@freescale.com> | 2013-06-07 11:23:27 +0800 |
|---|---|---|
| committer | Mark Brown <broonie@linaro.org> | 2013-06-07 10:35:17 +0100 |
| commit | d74e9e7090aeb9b61e683e5abf7ca70fa18f846b (patch) | |
| tree | cea29a98bbf9de15c633d5567145d253246e1c85 /Documentation | |
| parent | e75a52c6723a61a0d768ee53794e86b7edbe54f0 (diff) | |
ASoC: wm8962: Add device tree binding
Document the device tree binding for the WM8962 codec, and modify the
driver to extract platform data from the device tree, if present.
Based on work of WM8903 by Stephen Warren <swarren@nvidia.com>
Signed-off-by: Nicolin Chen <b42378@freescale.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/devicetree/bindings/sound/wm8962.txt | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/sound/wm8962.txt b/Documentation/devicetree/bindings/sound/wm8962.txt index dceb3b1c2bb..7f82b59ec8f 100644 --- a/Documentation/devicetree/bindings/sound/wm8962.txt +++ b/Documentation/devicetree/bindings/sound/wm8962.txt @@ -8,9 +8,32 @@ Required properties: - reg : the I2C address of the device. +Optional properties: + - spk-mono: This is a boolean property. If present, the SPK_MONO bit + of R51 (Class D Control 2) gets set, indicating that the speaker is + in mono mode. + + - mic-cfg : Default register value for R48 (Additional Control 4). + If absent, the default should be the register default. + + - gpio-cfg : A list of GPIO configuration register values. The list must + be 6 entries long. If absent, no configuration of these registers is + performed. And note that only the value within [0x0, 0xffff] is valid. + Any other value is regarded as setting the GPIO register by its reset + value 0x0. + Example: codec: wm8962@1a { compatible = "wlf,wm8962"; reg = <0x1a>; + + gpio-cfg = < + 0x0000 /* 0:Default */ + 0x0000 /* 1:Default */ + 0x0013 /* 2:FN_DMICCLK */ + 0x0000 /* 3:Default */ + 0x8014 /* 4:FN_DMICCDAT */ + 0x0000 /* 5:Default */ + >; }; |