Re: [PATCH v8 1/2] arm64: dts: qcom: sc7280: Add pinmux for I2S speaker and Headset

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On Tue 12 Apr 08:14 CDT 2022, Srinivasa Rao Mandadapu wrote:

> Add pinmux nodes for primary and secondary I2S for SC7280 based platforms.
> 
> Signed-off-by: Srinivasa Rao Mandadapu <quic_srivasam@xxxxxxxxxxx>
> Co-developed-by: Venkata Prasad Potturu <quic_potturu@xxxxxxxxxxx>
> Signed-off-by: Venkata Prasad Potturu <quic_potturu@xxxxxxxxxxx>
> ---
>  arch/arm64/boot/dts/qcom/sc7280-idp.dtsi | 14 +++++++++++
>  arch/arm64/boot/dts/qcom/sc7280.dtsi     | 40 ++++++++++++++++++++++++++++++++
>  2 files changed, 54 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/qcom/sc7280-idp.dtsi b/arch/arm64/boot/dts/qcom/sc7280-idp.dtsi
> index ecbf2b8..1fc94b5 100644
> --- a/arch/arm64/boot/dts/qcom/sc7280-idp.dtsi
> +++ b/arch/arm64/boot/dts/qcom/sc7280-idp.dtsi
> @@ -359,6 +359,20 @@
>  	bias-disable;
>  };
>  
> +&mi2s1_data0 {
> +	drive-strength = <6>;
> +	bias-disable;
> +};
> +
> +&mi2s1_sclk {
> +	drive-strength = <6>;
> +	bias-disable;
> +};
> +
> +&mi2s1_ws {
> +	drive-strength = <6>;
> +};
> +
>  &pm7325_gpios {
>  	key_vol_up_default: key-vol-up-default {
>  		pins = "gpio6";
> diff --git a/arch/arm64/boot/dts/qcom/sc7280.dtsi b/arch/arm64/boot/dts/qcom/sc7280.dtsi
> index f0b64be..6e6cfeda 100644
> --- a/arch/arm64/boot/dts/qcom/sc7280.dtsi
> +++ b/arch/arm64/boot/dts/qcom/sc7280.dtsi
> @@ -3522,6 +3522,46 @@
>  				function = "edp_hot";
>  			};
>  
> +			mi2s0_data0: mi2s0-data0 {

Are these ever going to be selected individually, or could this be:

mi2s0_state: mi2s0-state {
	data0 {
		...;
	};

	data1 {
		...;
	};

	mclk {
		...;
	};

	etc
};

mi2s1-state {
	...;
};

And then a single pinctrl-0 = <&mi2c0_state>;

Regards,
Bjorn

> +				pins = "gpio98";
> +				function = "mi2s0_data0";
> +			};
> +
> +			mi2s0_data1: mi2s0-data1 {
> +				pins = "gpio99";
> +				function = "mi2s0_data1";
> +			};
> +
> +			mi2s0_mclk: mi2s0-mclk {
> +				pins = "gpio96";
> +				function = "pri_mi2s";
> +			};
> +
> +			mi2s0_sclk: mi2s0-sclk {
> +				pins = "gpio97";
> +				function = "mi2s0_sck";
> +			};
> +
> +			mi2s0_ws: mi2s0-ws {
> +				pins = "gpio100";
> +				function = "mi2s0_ws";
> +			};
> +
> +			mi2s1_data0: mi2s1-data0 {
> +				pins = "gpio107";
> +				function = "mi2s1_data0";
> +			};
> +
> +			mi2s1_sclk: mi2s1-sclk {
> +				pins = "gpio106";
> +				function = "mi2s1_sck";
> +			};
> +
> +			mi2s1_ws: mi2s1-ws {
> +				pins = "gpio108";
> +				function = "mi2s1_ws";
> +			};
> +
>  			pcie1_clkreq_n: pcie1-clkreq-n {
>  				pins = "gpio79";
>  				function = "pcie1_clkreqn";
> -- 
> 2.7.4
> 



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