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# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/sound/rockchip,rk3328-codec.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Rockchip rk3328 internal codec
maintainers:
- Heiko Stuebner <heiko@sntech.de>
properties:
compatible:
const: rockchip,rk3328-codec
reg:
maxItems: 1
clocks:
items:
- description: clock for audio codec
- description: clock for I2S master clock
clock-names:
items:
- const: pclk
- const: mclk
rockchip,grf:
$ref: /schemas/types.yaml#/definitions/phandle
description:
The phandle of the syscon node for the GRF register.
spk-depop-time-ms:
default: 200
description:
Speaker depop time in msec.
mute-gpios:
maxItems: 1
description:
GPIO specifier for external line driver control (typically the
dedicated GPIO_MUTE pin)
"#sound-dai-cells":
const: 0
required:
- compatible
- reg
- clocks
- clock-names
- rockchip,grf
- "#sound-dai-cells"
additionalProperties: false
examples:
- |
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/clock/rk3328-cru.h>
codec: codec@ff410000 {
compatible = "rockchip,rk3328-codec";
reg = <0xff410000 0x1000>;
clocks = <&cru PCLK_ACODECPHY>, <&cru SCLK_I2S1>;
clock-names = "pclk", "mclk";
rockchip,grf = <&grf>;
mute-gpios = <&grf_gpio 0 GPIO_ACTIVE_LOW>;
spk-depop-time-ms = <100>;
#sound-dai-cells = <0>;
};
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