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SubjectRe: [PATCH v1 05/12] arm64: dts: librem5-devkit: add the sgtl5000 i2c audio codec
On Wed, Feb 05, 2020 at 03:29:56PM +0100, Martin Kepplinger wrote:
> From: "Angus Ainslie (Purism)" <angus@akkea.ca>
>
> Describe the sgtl5000 of the librem 5 devkit in devicetree.
>
> Signed-off-by: Angus Ainslie (Purism) <angus@akkea.ca>
> ---
> .../boot/dts/freescale/imx8mq-librem5-devkit.dts | 13 +++++++++++++
> 1 file changed, 13 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/freescale/imx8mq-librem5-devkit.dts b/arch/arm64/boot/dts/freescale/imx8mq-librem5-devkit.dts
> index e7e3766198c6..56b4ac286801 100644
> --- a/arch/arm64/boot/dts/freescale/imx8mq-librem5-devkit.dts
> +++ b/arch/arm64/boot/dts/freescale/imx8mq-librem5-devkit.dts
> @@ -480,6 +480,19 @@
> vddio-supply = <&reg_3v3_p>;
> };
>
> + sgtl5000: sgtl5000@a {

audio-codec for the node name.

> + compatible = "fsl,sgtl5000";
> + clocks = <&clk IMX8MQ_CLK_SAI2_ROOT>;
> + assigned-clocks = <&clk IMX8MQ_CLK_SAI2>;
> + assigned-clock-parents = <&clk IMX8MQ_AUDIO_PLL1_OUT>;
> + assigned-clock-rates = <24576000>;
> + #sound-dai-cells = <0>;
> + reg = <0x0a>;
> + VDDD-supply = <&reg_1v8_p>;
> + VDDIO-supply = <&reg_3v3_p>;
> + VDDA-supply = <&reg_3v3_p>;
> + };
> +

Add a device only when there is a user for it.

Shawn

> touchscreen@5d {
> compatible = "goodix,gt5688";
> reg = <0x5d>;
> --
> 2.20.1
>

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