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1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)2%YAML 1.23---4$id: http://devicetree.org/schemas/sound/rockchip,rk3328-codec.yaml#5$schema: http://devicetree.org/meta-schemas/core.yaml#6 7title: Rockchip rk3328 internal codec8 9maintainers:10 - Heiko Stuebner <heiko@sntech.de>11allOf:12 - $ref: dai-common.yaml#13 14 15properties:16 compatible:17 const: rockchip,rk3328-codec18 19 reg:20 maxItems: 121 22 clocks:23 items:24 - description: clock for audio codec25 - description: clock for I2S master clock26 27 clock-names:28 items:29 - const: pclk30 - const: mclk31 32 rockchip,grf:33 $ref: /schemas/types.yaml#/definitions/phandle34 description:35 The phandle of the syscon node for the GRF register.36 37 spk-depop-time-ms:38 default: 20039 description:40 Speaker depop time in msec.41 42 mute-gpios:43 maxItems: 144 description:45 GPIO specifier for external line driver control (typically the46 dedicated GPIO_MUTE pin)47 48 "#sound-dai-cells":49 const: 050 51required:52 - compatible53 - reg54 - clocks55 - clock-names56 - rockchip,grf57 - "#sound-dai-cells"58 59unevaluatedProperties: false60 61examples: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 };75