3f6597ad2f
This patch converts Rockchip rk3328 audio codec binding to DT schema. And adds description about "mclk" clock and fixes some errors in original example. Signed-off-by: Katsuhiro Suzuki <katsuhiro@katsuster.net> Reviewed-by: Rob Herring <robh@kernel.org> Link: https://lore.kernel.org/r/20200714073247.172859-1-katsuhiro@katsuster.net Signed-off-by: Mark Brown <broonie@kernel.org>
70 lines
1.5 KiB
YAML
70 lines
1.5 KiB
YAML
# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/sound/rockchip,rk3328-codec.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Rockchip rk3328 internal codec
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maintainers:
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- Heiko Stuebner <heiko@sntech.de>
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properties:
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compatible:
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const: rockchip,rk3328-codec
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reg:
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maxItems: 1
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clocks:
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items:
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- description: clock for audio codec
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- description: clock for I2S master clock
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clock-names:
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items:
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- const: pclk
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- const: mclk
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rockchip,grf:
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$ref: /schemas/types.yaml#/definitions/phandle
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description:
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The phandle of the syscon node for the GRF register.
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spk-depop-time-ms:
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default: 200
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description:
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Speaker depop time in msec.
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mute-gpios:
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maxItems: 1
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description:
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GPIO specifier for external line driver control (typically the
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dedicated GPIO_MUTE pin)
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"#sound-dai-cells":
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const: 0
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required:
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- compatible
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- reg
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- clocks
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- clock-names
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- rockchip,grf
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- "#sound-dai-cells"
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examples:
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- |
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#include <dt-bindings/gpio/gpio.h>
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#include <dt-bindings/clock/rk3328-cru.h>
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codec: codec@ff410000 {
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compatible = "rockchip,rk3328-codec";
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reg = <0xff410000 0x1000>;
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clocks = <&cru PCLK_ACODECPHY>, <&cru SCLK_I2S1>;
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clock-names = "pclk", "mclk";
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rockchip,grf = <&grf>;
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mute-gpios = <&grf_gpio 0 GPIO_ACTIVE_LOW>;
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spk-depop-time-ms = <100>;
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#sound-dai-cells = <0>;
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};
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