1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) 2 %YAML 1.2 3 --- 4 $id: http://devicetree.org/schemas/sound/rockchip,rk3328-codec.yaml# 5 $schema: http://devicetree.org/meta-schemas/core.yaml# 6 7 title: Rockchip rk3328 internal codec 8 9 maintainers: 10 - Heiko Stuebner <heiko@sntech.de> 11 allOf: 12 - $ref: dai-common.yaml# 13 14 15 properties: 16 compatible: 17 const: rockchip,rk3328-codec 18 19 reg: 20 maxItems: 1 21 22 clocks: 23 items: 24 - description: clock for audio codec 25 - description: clock for I2S master clock 26 27 clock-names: 28 items: 29 - const: pclk 30 - const: mclk 31 32 rockchip,grf: 33 $ref: /schemas/types.yaml#/definitions/phandle 34 description: 35 The phandle of the syscon node for the GRF register. 36 37 spk-depop-time-ms: 38 default: 200 39 description: 40 Speaker depop time in msec. 41 42 mute-gpios: 43 maxItems: 1 44 description: 45 GPIO specifier for external line driver control (typically the 46 dedicated GPIO_MUTE pin) 47 48 "#sound-dai-cells": 49 const: 0 50 51 required: 52 - compatible 53 - reg 54 - clocks 55 - clock-names 56 - rockchip,grf 57 - "#sound-dai-cells" 58 59 unevaluatedProperties: false 60 61 examples: 62 - | 63 #include <dt-bindings/gpio/gpio.h> 64 #include <dt-bindings/clock/rk3328-cru.h> 65 codec: codec@ff410000 { 66 compatible = "rockchip,rk3328-codec"; 67 reg = <0xff410000 0x1000>; 68 clocks = <&cru PCLK_ACODECPHY>, <&cru SCLK_I2S1>; 69 clock-names = "pclk", "mclk"; 70 rockchip,grf = <&grf>; 71 mute-gpios = <&grf_gpio 0 GPIO_ACTIVE_LOW>; 72 spk-depop-time-ms = <100>; 73 #sound-dai-cells = <0>; 74 };
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