diff options
| author | Katsuhiro Suzuki <[email protected]> | 2018-02-23 10:17:16 +0900 |
|---|---|---|
| committer | Mark Brown <[email protected]> | 2018-02-27 10:41:33 +0000 |
| commit | f5ca3ab9bc1b160966c1e5cc7bf831f7b8ec31e5 (patch) | |
| tree | 389b58ce9b71b327ff1a07d7efa4f20d7f5dce31 | |
| parent | 7928b2cbe55b2a410a0f5c1f154610059c57b1b2 (diff) | |
ASoC: add DT bindings documentation for ROHM BD28623 codec
This patch adds DT bindings documentation for ROHM BD28623MUV
class D speaker amplifier.
Signed-off-by: Katsuhiro Suzuki <[email protected]>
Signed-off-by: Mark Brown <[email protected]>
| -rw-r--r-- | Documentation/devicetree/bindings/sound/rohm,bd28623.txt | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/sound/rohm,bd28623.txt b/Documentation/devicetree/bindings/sound/rohm,bd28623.txt new file mode 100644 index 000000000000..d84557c2686e --- /dev/null +++ b/Documentation/devicetree/bindings/sound/rohm,bd28623.txt @@ -0,0 +1,29 @@ +ROHM BD28623MUV Class D speaker amplifier for digital input + +This codec does not have any control buses such as I2C, it detect format and +rate of I2S signal automatically. It has two signals that can be connected +to GPIOs: reset and mute. + +Required properties: +- compatible : should be "rohm,bd28623" +- #sound-dai-cells: should be 0. +- VCCA-supply : regulator phandle for the VCCA supply +- VCCP1-supply : regulator phandle for the VCCP1 supply +- VCCP2-supply : regulator phandle for the VCCP2 supply + +Optional properties: +- reset-gpios : GPIO specifier for the active low reset line +- mute-gpios : GPIO specifier for the active low mute line + +Example: + + codec { + compatible = "rohm,bd28623"; + #sound-dai-cells = <0>; + + VCCA-supply = <&vcc_reg>; + VCCP1-supply = <&vcc_reg>; + VCCP2-supply = <&vcc_reg>; + reset-gpios = <&gpio 0 GPIO_ACTIVE_LOW>; + mute-gpios = <&gpio 1 GPIO_ACTIVE_LOW>; + }; |