[PATCH v4 5/5] arm64: dts: imx8mp: Add analog audio output on i.MX8MP EVK

[Marco Felsch]

Hi Marek,

On 23-02-23, Marek Vasut wrote:
> Enable SAI3 on i.MX8MP EVK, add WM8960 codec binding and regulator.
> This is all that is needed to get analog audio output operational
> on i.MX8MP EVK.
> 
> Signed-off-by: Marek Vasut <marex at denx.de>
> ---
> Cc: Abel Vesa <abelvesa at kernel.org>
> Cc: Fabio Estevam <festevam at gmail.com>
> Cc: Jacky Bai <ping.bai at nxp.com>
> Cc: Krzysztof Kozlowski <krzysztof.kozlowski+dt at linaro.org>
> Cc: Laurent Pinchart <laurent.pinchart at ideasonboard.com>
> Cc: Lucas Stach <l.stach at pengutronix.de>
> Cc: Marco Felsch <m.felsch at pengutronix.de>
> Cc: Michael Turquette <mturquette at baylibre.com>
> Cc: NXP Linux Team <linux-imx at nxp.com>
> Cc: Peng Fan <peng.fan at nxp.com>
> Cc: Pengutronix Kernel Team <kernel at pengutronix.de>
> Cc: Richard Cochran <richardcochran at gmail.com>
> Cc: Rob Herring <robh+dt at kernel.org>
> Cc: Sascha Hauer <s.hauer at pengutronix.de>
> Cc: Shawn Guo <shawnguo at kernel.org>
> Cc: Stephen Boyd <sboyd at kernel.org>
> Cc: devicetree at vger.kernel.org
> Cc: linux-arm-kernel at lists.infradead.org
> Cc: linux-clk at vger.kernel.org
> ---
> V2: No change
> V3: No change
> V4: - Update codec node name and phandle label
>     - Use just sound for the sound node name
>     - Rebase on next 20230223
> ---
>  arch/arm64/boot/dts/freescale/imx8mp-evk.dts | 60 ++++++++++++++++++++
>  1 file changed, 60 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/freescale/imx8mp-evk.dts b/arch/arm64/boot/dts/freescale/imx8mp-evk.dts
> index 7816853162b3f..9ed94f271ef9a 100644
> --- a/arch/arm64/boot/dts/freescale/imx8mp-evk.dts
> +++ b/arch/arm64/boot/dts/freescale/imx8mp-evk.dts
> @@ -40,6 +40,16 @@ pcie0_refclk: pcie0-refclk {
>  		clock-frequency = <100000000>;
>  	};
>  
> +	reg_audio_pwr: regulator-audio-pwr {
> +		compatible = "regulator-fixed";
> +		regulator-name = "audio-pwr";
> +		regulator-min-microvolt = <3300000>;
> +		regulator-max-microvolt = <3300000>;
> +		gpio = <&gpio4 29 GPIO_ACTIVE_HIGH>;
> +		enable-active-high;
> +		regulator-always-on;
> +	};
> +
>  	reg_can1_stby: regulator-can1-stby {
>  		compatible = "regulator-fixed";
>  		regulator-name = "can1-stby";
> @@ -83,6 +93,23 @@ reg_usdhc2_vmmc: regulator-usdhc2 {
>  		gpio = <&gpio2 19 GPIO_ACTIVE_HIGH>;
>  		enable-active-high;
>  	};
> +
> +	sound {
> +		compatible = "fsl,imx-audio-wm8960";

Can we make use the "simple-audio-card" here? At least the 8mq-evk and
the 8mm-evk is using this as well.

Regards,
  Marco