Unverified Commit 3f6597ad authored by Katsuhiro Suzuki's avatar Katsuhiro Suzuki Committed by Mark Brown
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ASoC: convert rk3328 codec binding to yaml 



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: default avatarKatsuhiro Suzuki <katsuhiro@katsuster.net>
Reviewed-by: default avatarRob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20200714073247.172859-1-katsuhiro@katsuster.net


Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent f50d67f9

Documentation/devicetree/bindings/sound/rockchip,rk3328-codec.txt

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* Rockchip Rk3328 internal codec



Required properties:



- compatible: "rockchip,rk3328-codec"

- reg: physical base address of the controller and length of memory mapped

  region.

- rockchip,grf: the phandle of the syscon node for GRF register.

- clocks: a list of phandle + clock-specifer pairs, one for each entry in clock-names.

- clock-names: should be "pclk".

- spk-depop-time-ms: speak depop time msec.



Optional properties:



- mute-gpios: GPIO specifier for external line driver control (typically the

              dedicated GPIO_MUTE pin)



Example for rk3328 internal codec:



codec: codec@ff410000 {

	compatible = "rockchip,rk3328-codec";

	reg = <0x0 0xff410000 0x0 0x1000>;

	rockchip,grf = <&grf>;

	clocks = <&cru PCLK_ACODEC>;

	clock-names = "pclk";

	mute-gpios = <&grf_gpio 0 GPIO_ACTIVE_LOW>;

	spk-depop-time-ms = 100;

};

Documentation/devicetree/bindings/sound/rockchip,rk3328-codec.yaml

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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"



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>;

    };