linux-kernel - Re: [PATCH v7 1/2] arm64: dts: qcom: sc7180-trogdor: Add lpass dai link for I2S driver

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Date:   Wed, 31 Mar 2021 09:48:21 +0100
From:   Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
To:     Srinivasa Rao Mandadapu <srivasam@...eaurora.org>,
        agross@...nel.org, bjorn.andersson@...aro.org, robh+dt@...nel.org,
        linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, rohitkr@...eaurora.org,
        dianders@...omium.org, swboyd@...omium.org, judyhsiao@...omium.org
Cc:     Ajit Pandey <ajitp@...eaurora.org>,
        V Sujith Kumar Reddy <vsujithk@...eaurora.org>
Subject: Re: [PATCH v7 1/2] arm64: dts: qcom: sc7180-trogdor: Add lpass dai
 link for I2S driver



On 14/03/2021 06:10, Srinivasa Rao Mandadapu wrote:
> From: Ajit Pandey <ajitp@...eaurora.org>
> 
> Add dai link for supporting lpass I2S driver, which is used
> for audio capture and playback.
> Add lpass-cpu node with  pin controls and i2s primary
> and secondary dai-links
> 
> Signed-off-by: Ajit Pandey <ajitp@...eaurora.org>
> Signed-off-by: V Sujith Kumar Reddy <vsujithk@...eaurora.org>
> Signed-off-by: Srinivasa Rao Mandadapu <srivasam@...eaurora.org>
> ---


LGTM,

Reviewed-by: Srinivas Kandagatla <srinivas.kandagatla@...aro.org>

>   arch/arm64/boot/dts/qcom/sc7180-trogdor.dtsi | 58 ++++++++++++++++++++
>   1 file changed, 58 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/qcom/sc7180-trogdor.dtsi b/arch/arm64/boot/dts/qcom/sc7180-trogdor.dtsi
> index 436582279dad..fd345972a361 100644
> --- a/arch/arm64/boot/dts/qcom/sc7180-trogdor.dtsi
> +++ b/arch/arm64/boot/dts/qcom/sc7180-trogdor.dtsi
> @@ -9,6 +9,7 @@
>   #include <dt-bindings/input/gpio-keys.h>
>   #include <dt-bindings/input/input.h>
>   #include <dt-bindings/regulator/qcom,rpmh-regulator.h>
> +#include <dt-bindings/sound/sc7180-lpass.h>
>   
>   /* PMICs depend on spmi_bus label and so must come after SoC */
>   #include "pm6150.dtsi"
> @@ -283,6 +284,42 @@ keyboard_backlight: keyboard-backlight {
>   			max-brightness = <1023>;
>   		};
>   	};
> +
> +	sound: sound {
> +		compatible = "google,sc7180-trogdor";
> +		model = "sc7180-rt5682-max98357a-1mic";
> +
> +		audio-routing =
> +			"Headphone Jack", "HPOL",
> +			"Headphone Jack", "HPOR";
> +
> +		#address-cells = <1>;
> +		#size-cells = <0>;
> +
> +		dai-link@0 {
> +			link-name = "MultiMedia0";
> +			reg = <MI2S_PRIMARY>;
> +			cpu {
> +				sound-dai = <&lpass_cpu MI2S_PRIMARY>;
> +			};
> +
> +			sound_multimedia0_codec: codec {
> +				sound-dai = <&alc5682 0 /* aif1 */>;
> +			};
> +		};
> +
> +		dai-link@1 {
> +			link-name = "MultiMedia1";
> +			reg = <MI2S_SECONDARY>;
> +			cpu {
> +				sound-dai = <&lpass_cpu MI2S_SECONDARY>;
> +			};
> +
> +			sound_multimedia1_codec: codec {
> +				sound-dai = <&max98357a>;
> +			};
> +		};
> +	};
>   };
>   
>   &qfprom {
> @@ -720,6 +757,27 @@ &ipa {
>   	modem-init;
>   };
>   
> +&lpass_cpu {
> +	status = "okay";
> +
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&sec_mi2s_active>, <&pri_mi2s_active>, <&pri_mi2s_mclk_active>;
> +
> +	#address-cells = <1>;
> +	#size-cells = <0>;
> +
> +	mi2s@0 {
> +		reg = <MI2S_PRIMARY>;
> +		qcom,playback-sd-lines = <1>;
> +		qcom,capture-sd-lines = <0>;
> +	};
> +
> +	mi2s@1 {
> +		reg = <MI2S_SECONDARY>;
> +		qcom,playback-sd-lines = <0>;
> +	};
> +};
> +
>   &mdp {
>   	status = "okay";
>   };
>