dt-bindings: sound: es8311: Add bindings documentation for es8311 audio codec

Signed-off-by: Xing Zheng <zhengxing@rock-chips.com> Change-Id: I96d5f780c907257f9b39e1ca879f2234e7623644
2020-09-01 20:43:56 +08:00 · 2020-09-01 20:43:56 +08:00 · a0aa4a48fd
parent 9f2a89dd26
commit a0aa4a48fd
1 changed files with 21 additions and 0 deletions
--- a/Documentation/devicetree/bindings/sound/es8311.txt
+++ b/Documentation/devicetree/bindings/sound/es8311.txt
@ -0,0 +1,21 @@
+Everest ES8311 audio CODEC
+
+Required properties:
+
+  - compatible: "everest,es8311"
+  - reg: the I2C address of the device for I2C
+  - spk-ctl-gpios: control spk enable/disable
+Optional properties:
+
+- clocks: The phandle of the master clock to the CODEC
+- clock-names: Should be "mclk"
+
+Example:
+
+es8311: es8311@18 {
+	compatible = "everest,es8311";
+	reg = <0x18>;
+	clocks = <&cru MCLK_I2S0_TX_OUT2IO>;
+	clock-names = "mclk";
+	spk-ctl-gpios = <&gpio2 5 GPIO_ACTIVE_HIGH>;
+};