linux-kernel - Re: [PATCH v2 3/9] arm64: dts: librem5-devkit: add the simcom 7100 modem and sgtl5000 audio codec

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Date:   Mon, 24 Feb 2020 10:01:10 +0800
From:   Shawn Guo <shawnguo@...nel.org>
To:     Martin Kepplinger <martin.kepplinger@...i.sm>
Cc:     robh@...nel.org, mark.rutland@....com, s.hauer@...gutronix.de,
        kernel@...gutronix.de, linux-imx@....com, Anson.Huang@....com,
        devicetree@...r.kernel.org, kernel@...i.sm,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        "Angus Ainslie (Purism)" <angus@...ea.ca>
Subject: Re: [PATCH v2 3/9] arm64: dts: librem5-devkit: add the simcom 7100
 modem and sgtl5000 audio codec

On Tue, Feb 18, 2020 at 09:49:36AM +0100, Martin Kepplinger wrote:
> From: "Angus Ainslie (Purism)" <angus@...ea.ca>
> 
> Add the simcomm modem and the sgtl5000 audio codec.
> 
> Signed-off-by: Angus Ainslie (Purism) <angus@...ea.ca>
> Signed-off-by: Martin Kepplinger <martin.kepplinger@...i.sm>
> ---
>  .../dts/freescale/imx8mq-librem5-devkit.dts   | 60 +++++++++++++++++++
>  1 file changed, 60 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/freescale/imx8mq-librem5-devkit.dts b/arch/arm64/boot/dts/freescale/imx8mq-librem5-devkit.dts
> index 25135b08d4f8..ec12477d925d 100644
> --- a/arch/arm64/boot/dts/freescale/imx8mq-librem5-devkit.dts
> +++ b/arch/arm64/boot/dts/freescale/imx8mq-librem5-devkit.dts
> @@ -148,6 +148,53 @@
>  		regulator-always-on;
>  	};
>  
> +	wwan_codec: sound-wwan-codec {
> +		compatible = "option,gtm601";
> +		#sound-dai-cells = <0>;
> +	};
> +
> +	sound {
> +		compatible = "simple-audio-card";
> +		simple-audio-card,name = "sgtl5000";
> +		simple-audio-card,format = "i2s";
> +		simple-audio-card,widgets =
> +			"Microphone", "Microphone Jack",
> +			"Headphone", "Headphone Jack",
> +			"Speaker", "Speaker Ext",
> +			"Line", "Line In Jack";
> +		simple-audio-card,routing =
> +			"MIC_IN", "Microphone Jack",
> +			"Microphone Jack", "Mic Bias",
> +			"LINE_IN", "Line In Jack",
> +			"Headphone Jack", "HP_OUT",
> +			"Speaker Ext", "LINE_OUT";
> +
> +		simple-audio-card,cpu {
> +			sound-dai = <&sai2>;
> +		};
> +
> +		simple-audio-card,codec {
> +			sound-dai = <&audio_codec>;
> +			clocks = <&clk IMX8MQ_CLK_SAI2_ROOT>;
> +			frame-master;
> +			bitclock-master;
> +		};
> +	};
> +
> +	sound-wwan {
> +		compatible = "simple-audio-card";
> +		simple-audio-card,name = "SIMCom SIM7100";
> +		simple-audio-card,format = "dsp_a";

newline

> +		simple-audio-card,cpu {
> +			sound-dai = <&sai6>;
> +		};

newline

> +		telephony_link_master: simple-audio-card,codec {
> +			sound-dai = <&wwan_codec>;
> +			frame-master;
> +			bitclock-master;
> +		};
> +	};
> +
>  	vibrator {
>  		compatible = "gpio-vibrator";
>  		pinctrl-names = "default";
> @@ -426,6 +473,19 @@
>  		vddio-supply = <&reg_3v3_p>;
>  	};
>  
> +	audio_codec: sgtl5000@a {

Node name needs to be generic, not the label name.  So it should be:

	sgtl5000: audio-codec@a {

Shawn

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