[PATCH v4 2/3] dt-bindings: Add Rockchip rk817 audio CODEC support

[Chris Morgan]

Create dt-binding documentation to document rk817 codec.

Signed-off-by: Chris Morgan <macromorgan at 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 at 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";
+	};
+
+	........
+
+};
-- 
2.25.1