On Tue, May 24, 2016 at 09:36:14AM +0800, Xing Zheng wrote:
> There are multi codec devices on the RK3399 platform, we can use
> this patch support and control these codecs.
>
> Signed-off-by: Xing Zheng <zhengxing@xxxxxxxxxxxxxx>
> ---
>
> Changes in v2:
> - use the FS 256 to set mclks of the max98357a and rt5514 danamically
> - add more sample rate for da7219
>
> .../sound/rockchip-max98357a-rt5514-da7219.txt | 15 +
> sound/soc/rockchip/Kconfig | 11 +
> sound/soc/rockchip/Makefile | 2 +
> .../rockchip/rockchip_max98357a_rt5514_da7219.c | 333 ++++++++++++++++++++
> 4 files changed, 361 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/sound/rockchip-max98357a-rt5514-da7219.txt
> create mode 100644 sound/soc/rockchip/rockchip_max98357a_rt5514_da7219.c
>
> diff --git a/Documentation/devicetree/bindings/sound/rockchip-max98357a-rt5514-da7219.txt b/Documentation/devicetree/bindings/sound/rockchip-max98357a-rt5514-da7219.txt
> new file mode 100644
> index 0000000..5928384
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/sound/rockchip-max98357a-rt5514-da7219.txt
> @@ -0,0 +1,15 @@
> +ROCKCHIP with MAX98357A/RT5514/DA7219 codecs
> +
> +Required properties:
> +- compatible: "rockchip,rockchip-sound"
This is generic, but the binding seems to be very specific to only 3
specific codecs. Listing all 3 codecs seems a bit strange. Perhaps a
name related to the board name would be better.
> +- rockchip,cpu: The phandle of the Rockchip I2S controller that's
> + connected to the codecs
What's the size? always 3?
> +- rockchip,codec: The phandle of the MAX98357A/RT5514/DA7219 codecs
Please make the size and ordering clear.
> +
> +Example:
> +
> +sound {
> + compatible = "rockchip,rockchip-sound";
> + rockchip,cpu = <&i2s0 &i2s0 &i2s1>;
> + rockchip,codec = <&max98357a &headsetcodec &codec>;
> +};
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