Create dt-binding documentation to document rk817 codec.

Signed-off-by: Chris Morgan macromorgan@hotmail.com --- .../bindings/sound/rockchip,rk817-codec.yaml | 63 +++++++++++++++++++ 1 file changed, 63 insertions(+) create mode 100644 Documentation/devicetree/bindings/sound/rockchip,rk817-codec.yaml

diff --git a/Documentation/devicetree/bindings/sound/rockchip,rk817-codec.yaml b/Documentation/devicetree/bindings/sound/rockchip,rk817-codec.yaml new file mode 100644 index 000000000000..986cebcd0832 --- /dev/null +++ b/Documentation/devicetree/bindings/sound/rockchip,rk817-codec.yaml @@ -0,0 +1,63 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/sound/rockchip-rk817.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Rockchip rk817 audio codec + +description: + The rk817 codec is an I2C codec integrated with every Rockchip + rk817 PMIC MFD. + +properties: + compatible: + enum: + - rockchip,rk817-codec + + "#sound-dai-cells": + const: 1 + + clocks: + maxItems: 1 + + clock-names: + const: "mclk" + + mic-in-differential: + description: the microphone is in differential mode. + $ref: /schemas/types.yaml#/definitions/flag + +required: + - compatible + - clocks + - clock-names + +additionalProperties: false + +examples: + - | +rk817: pmic@20 { + compatible = "rockchip,rk817"; + reg = <0x20>; + interrupt-parent = <&gpio0>; + interrupts = <7 IRQ_TYPE_LEVEL_LOW>; + pinctrl-names = "default"; + pinctrl-0 = <&pmic_int>; + + ........ + + rk817_codec: codec { + #sound-dai-cells = <0>; + compatible = "rockchip,rk817-codec"; + clocks = <&cru SCLK_I2S_8CH_OUT>; + clock-names = "mclk"; + pinctrl-names = "default"; + pinctrl-0 = <&i2s_8ch_mclk>; + mic-in-differential; + status = "okay"; + }; + + ........ + +};