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

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