From: Baoyou Xie baoyou.xie@linaro.org
It adds dt-bindings document for ZTE zx-aud96p22 audio codec.
Signed-off-by: Baoyou Xie baoyou.xie@linaro.org Acked-by: Rob Herring robh@kernel.org Signed-off-by: Shawn Guo shawn.guo@linaro.org --- .../devicetree/bindings/sound/zte,zx-aud96p22.txt | 28 ++++++++++++++++++++++ 1 file changed, 28 insertions(+) create mode 100644 Documentation/devicetree/bindings/sound/zte,zx-aud96p22.txt
diff --git a/Documentation/devicetree/bindings/sound/zte,zx-aud96p22.txt b/Documentation/devicetree/bindings/sound/zte,zx-aud96p22.txt new file mode 100644 index 000000000000..cb211a295cad --- /dev/null +++ b/Documentation/devicetree/bindings/sound/zte,zx-aud96p22.txt @@ -0,0 +1,28 @@ +ZTE ZX AUD96P22 Audio Codec + +Required properties: + - compatible: Must be "zte,zx-aud96p22" + - #sound-dai-cells: Should be 0 + - reg: I2C bus slave address of AUD96P22 + +Optional properties: + - zte,pa-gpios: The GPIO to enable external power amplifier + +Example: + + i2c0: i2c@1486000 { + compatible = "zte,zx296718-i2c"; + reg = <0x01486000 0x1000>; + interrupts = <GIC_SPI 35 IRQ_TYPE_LEVEL_HIGH>; + #address-cells = <1>; + #size-cells = <0>; + clocks = <&audiocrm AUDIO_I2C0_WCLK>; + clock-frequency = <1600000>; + + aud96p22: codec@22 { + compatible = "zte,zx-aud96p22"; + #sound-dai-cells = <0>; + reg = <0x22>; + zte,pa-gpios = <&bgpio4 0 GPIO_ACTIVE_HIGH>; + }; + };