From: ChiYuan Huang <cy_huang@richtek.com>
Document the ASoC Richtek rt9123p.
Signed-off-by: ChiYuan Huang <cy_huang@richtek.com>
---
v2
- Modify the property name from 'enable-delay' to 'enable-delay-ms' to make the
time unit more specific
---
.../bindings/sound/richtek,rt9123p.yaml | 48 +++++++++++++++++++
1 file changed, 48 insertions(+)
create mode 100644 Documentation/devicetree/bindings/sound/richtek,rt9123p.yaml
diff --git a/Documentation/devicetree/bindings/sound/richtek,rt9123p.yaml b/Documentation/devicetree/bindings/sound/richtek,rt9123p.yaml
new file mode 100644
index 000000000000..693511dfdda4
--- /dev/null
+++ b/Documentation/devicetree/bindings/sound/richtek,rt9123p.yaml
@@ -0,0 +1,48 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/sound/richtek,rt9123p.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Richtek RT9123P Audio Amplifier
+
+maintainers:
+ - ChiYuan Huang <cy_huang@richtek.com>
+
+description:
+ RT9123P is a RT9123 variant which does not support I2C control.
+
+allOf:
+ - $ref: dai-common.yaml#
+
+properties:
+ compatible:
+ enum:
+ - richtek,rt9123p
+
+ '#sound-dai-cells':
+ const: 0
+
+ enable-gpios:
+ maxItems: 1
+
+ enable-delay-ms:
+ description:
+ Delay time for 'ENABLE' pin changes intended to make I2S clocks ready to
+ prevent speaker pop noise. The unit is in millisecond.
+
+required:
+ - compatible
+ - '#sound-dai-cells'
+
+unevaluatedProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/gpio/gpio.h>
+
+ amplifier {
+ compatible = "richtek,rt9123p";
+ enable-gpios = <&gpio 26 GPIO_ACTIVE_HIGH>;
+ #sound-dai-cells = <0>;
+ };
--
2.34.1