On Wed, Dec 07, 2016 at 02:17:28PM -0600, Li Xu wrote:
> Add devicetree bindings documentation file for Cirrus
> Logic CS43130 codec.
>
> Signed-off-by: Li Xu <li.xu@xxxxxxxxxx>
> ---
> .../devicetree/bindings/sound/cs43130.txt | 41 ++++++++++++++++++++++
> 1 file changed, 41 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/sound/cs43130.txt
>
> diff --git a/Documentation/devicetree/bindings/sound/cs43130.txt b/Documentation/devicetree/bindings/sound/cs43130.txt
> new file mode 100644
> index 0000000..9a2a22a
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/sound/cs43130.txt
> @@ -0,0 +1,41 @@
> +CS43130 DAC
> +
> +Required properties:
> +
> + - compatible : "cirrus,cs43130"
> +
> + - reg : the I2C address of the device for I2C
> +
> + - VA-supply, VP-supply, VL-supply, VCP-supply, VD-supply:
> + power supplies for the device, as covered in
> + Documentation/devicetree/bindings/regulator/regulator.txt.
> +
> +
> +Optional properties:
> +
> + - reset-gpios : gpio used to reset the Device
Please state the active state and set that in the flag cell.
> +
> + - cirrus,xtal-ibias:
> + When external MCLK is generated by external crystal
> + oscillator, CS43130 can be used to provide bias current
> + for external crystal. Amount of bias current sent is
> + set as:
> + 1 = 7.5uA
> + 2 = 12.5uA
> + 3 = 15uA
> +
> +Example:
> +
> +cs43130: cs43130@30 {
audio-codec@30
> + compatible = "cirrus,cs43130";
> + reg = <0x30>;
> + reset-gpios = <&axi_gpio 54 0>;
> + VA-supply = <&dummy_vreg>;
Some whitespace problems here.
> + VP-supply = <&dummy_vreg>;
> + VL-supply = <&dummy_vreg>;
> + VCP-supply = <&dummy_vreg>;
> + VD-supply = <&dummy_vreg>;
> + cirrus,xtal-ibias = <2>;
> + interrupt-parent = <&gpio0>;
> + interrupts = <55 8>;
> +};
> --
> 1.9.1
>
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