On Wed, Sep 06, 2017 at 10:50:09AM +0800, Jeffy Chen wrote:
> Add devicetree bindings documentation file for rt5514 spi dsp codec.
>
> Also update rt5514 i2c dt-binding's compatible to distinguish it from
> rt5514 spi.
>
> Signed-off-by: Jeffy Chen <jeffy.chen@xxxxxxxxxxxxxx>
> ---
>
> Changes in v9:
> Address comments from Brian.
>
> .../devicetree/bindings/sound/rt5514-spi.txt | 29 ++++++++++++++++++++++
> Documentation/devicetree/bindings/sound/rt5514.txt | 4 +--
> 2 files changed, 31 insertions(+), 2 deletions(-)
> create mode 100644 Documentation/devicetree/bindings/sound/rt5514-spi.txt
>
> diff --git a/Documentation/devicetree/bindings/sound/rt5514-spi.txt b/Documentation/devicetree/bindings/sound/rt5514-spi.txt
> new file mode 100644
> index 000000000000..7911d1adbd29
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/sound/rt5514-spi.txt
> @@ -0,0 +1,29 @@
> +RT5514 SPI audio CODEC
> +
> +This device supports SPI only.
> +
> +Required properties:
> +
> +- compatible : "realtek,rt5514" or "realtek,rt5514", "realtek,rt5514-spi".
> +
> +- reg : The SPI address of the device.
See below.
> +
> +Optional properties:
> +
> +- interrupt-parent: Should be the phandle for the interrupt controller
> +- interrupts: The interrupt number to the cpu. The interrupt specifier format
> + depends on the interrupt controller.
> +
> +Example:
> +
> +codec: rt5514-spi@0 {
> + compatible = "realtek,rt5514", "realtek,rt5514-spi";
> + reg = <0>;
> +
> + pinctrl-names = "default";
> + pinctrl-0 = <&mic_int>;
> +
> + interrupt-parent = <&gpio1>;
> + interrupts = <13 IRQ_TYPE_LEVEL_HIGH>;
> + wakeup-source;
This needs to be documented too.
> +};
> diff --git a/Documentation/devicetree/bindings/sound/rt5514.txt b/Documentation/devicetree/bindings/sound/rt5514.txt
> index 929ca6756b02..841a1159e234 100644
> --- a/Documentation/devicetree/bindings/sound/rt5514.txt
> +++ b/Documentation/devicetree/bindings/sound/rt5514.txt
> @@ -4,7 +4,7 @@ This device supports I2C only.
SPI support should be added to this document.
>
> Required properties:
>
> -- compatible : "realtek,rt5514".
> +- compatible : "realtek,rt5514" or "realtek,rt5514", "realtek,rt5514-i2c".
There's no need for the -spi or -i2c compatibles. This is implied by
being a child of those controllers.
> - reg : The I2C address of the device.
>
> @@ -28,6 +28,6 @@ Pins on the device (for linking into audio routes) for RT5514:
> Example:
>
> codec: rt5514@57 {
> - compatible = "realtek,rt5514";
> + compatible = "realtek,rt5514", "realtek,rt5514-i2c";
> reg = <0x57>;
> };
> --
> 2.11.0
>
>
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