[PATCH v5] ASoC: rockchip: Add machine driver for RK3399 GRU Boards

[Rob Herring]

On Mon, Jun 13, 2016 at 04:42:18PM +0800, Xing Zheng wrote:
> Because we need to support the multiple codecs (MAX98357A/RT5514/DA7219)
> on the RK3399 GRU boards, this patch can help us to support these codecs.
> 
> Signed-off-by: Xing Zheng <zhengxing at rock-chips.com>
> ---
> 
> Changes in v5:
> - fix the build warning for missing I2C/CLKDEV_LOOKUP dependency
> 
> Changes in v4:
> - the compatible name needs to be based on a single reference design,
>   and the name of the board is called "GRU"
> - use one i2sX card "rockchip,cpu = <&i2s0>" instead of array that is
>   based on GRU
> - rename DOC to rockchip,rk3399-gru-sound.txt
> - rename compatible to rockchip,rk3399-gru-sound
> - rename source code to rk3399_gru_sound.c
> 
> Changes in v3:
> - rename DOC to rockchip,rk3399-max98357a-rt5514-da7219.txt
> - rename compatible to rockchip,rk3399-max98357a-rt5514-da7219
> - rename source code to rk3399_max98357a_rt5514_da7219.c
> 
> Changes in v2:
> - use the FS 256 to set mclks of the max98357a and rt5514 danamically
> - add more sample rate for da7219
> 
>  .../bindings/sound/rockchip,rk3399-gru-sound.txt   |   15 +
>  sound/soc/rockchip/Kconfig                         |   11 +
>  sound/soc/rockchip/Makefile                        |    2 +
>  sound/soc/rockchip/rk3399_gru_sound.c              |  339 ++++++++++++++++++++
>  4 files changed, 367 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/sound/rockchip,rk3399-gru-sound.txt
>  create mode 100644 sound/soc/rockchip/rk3399_gru_sound.c
> 
> diff --git a/Documentation/devicetree/bindings/sound/rockchip,rk3399-gru-sound.txt b/Documentation/devicetree/bindings/sound/rockchip,rk3399-gru-sound.txt
> new file mode 100644
> index 0000000..f19b6c8
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/sound/rockchip,rk3399-gru-sound.txt
> @@ -0,0 +1,15 @@
> +ROCKCHIP with MAX98357A/RT5514/DA7219 codecs on GRU boards
> +
> +Required properties:
> +- compatible: "rockchip,rk3399-gru-sound"
> +- rockchip,cpu: The phandle of the Rockchip I2S controller that's
> +  connected to the codecs
> +- rockchip,codec: The phandle of the MAX98357A/RT5514/DA7219 codecs
> +
> +Example:
> +
> +sound {
> +	compatible = "rockchip,rk3399-gru-sound";
> +	rockchip,cpu = <&i2s0>;
> +	rockchip,codec = <&max98357a &rt5514 &da7219>;

These seem fairly standard though a variety of versions in the bindings. 
Can we use audio-codec and audio-cpu (or cpu or audio-dai) here? Mark?

Rob