linux-kernel - Re: [PATCH v4 2/2] arm64: dts: ti: k3-am625-sk: Add audio output support

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Date:   Wed, 6 Jul 2022 18:31:01 -0500
From:   Nishanth Menon <nm@...com>
To:     Jai Luthra <j-luthra@...com>
CC:     Vignesh Raghavendra <vigneshr@...com>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        <linux-kernel@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <devicetree@...r.kernel.org>, Jayesh Choudhary <j-choudhary@...com>
Subject: Re: [PATCH v4 2/2] arm64: dts: ti: k3-am625-sk: Add audio output
 support

On 15:57-20220620, Jai Luthra wrote:
> Add nodes for audio codec and sound card, enable the audio serializer
> (McASP1) under use and update pinmux. Disable all other McASP nodes.
> 
> Audio input is currently not working properly, so the RX port on McASP1
> is disabled for now, until the issue is debugged.
> 
> The serializer is shared between HDMI and codec. By default codec is
> used for output, but it can be toggled to HDMI using a FET switch
> connected to the MCASP1_FET_SEL (J24) header on the board.
> 
> Signed-off-by: Jai Luthra <j-luthra@...com>
[...]
> +	main_mcasp1_pins_default: main-mcasp1-pins-default {
> +		pinctrl-single,pins = <
> +			AM62X_IOPAD(0x0090, PIN_INPUT, 2) /* (M24) GPMC0_BE0N_CLE.MCASP1_ACLKX */
> +			AM62X_IOPAD(0x0098, PIN_INPUT, 2) /* (U23) GPMC0_WAIT0.MCASP1_AFSX */
> +			AM62X_IOPAD(0x008c, PIN_OUTPUT, 2) /* (L25) GPMC0_WEN.MCASP1_AXR0 */
> +			AM62X_IOPAD(0x0084, PIN_INPUT, 2) /* (L23) GPMC0_ADVN_ALE.MCASP1_AXR2 */
> +		>;
> +	};
>  };
>  
>  &wkup_uart0 {
> @@ -352,6 +401,18 @@
>  		pinctrl-names = "default";
>  		pinctrl-0 = <&main_gpio1_ioexp_intr_pins_default>;
>  	};
> +
> +	tlv320aic3106: audio-codec@1b {
> +		#sound-dai-cells = <0>;
> +		compatible = "ti,tlv320aic3106";

I cant pick up a patch with compatibles that are'nt converted to yaml.

Please convert to yaml in master and then post.

> +		reg = <0x1b>;
> +
> +		/* Regulators */
> +		AVDD-supply = <&vcc_3v3_sys>;
> +		IOVDD-supply = <&vcc_3v3_sys>;
> +		DRVDD-supply = <&vcc_3v3_sys>;
> +		DVDD-supply = <&vcc_1v8>;
> +	};
>  };
>  
>  &main_i2c2 {
> @@ -412,6 +473,34 @@
>  	};
>  };
>  
> +&mcasp0 {
> +	status = "disabled";
> +};
> +
> +&mcasp1 {
> +	status = "okay";

we don't need to set okay on a node that is ok by default.

> +	#sound-dai-cells = <0>;
> +
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&main_mcasp1_pins_default>;
> +
> +	op-mode = <0>;          /* MCASP_IIS_MODE */
> +	tdm-slots = <2>;
> +
> +	serial-dir = <  /* 0: INACTIVE, 1: TX, 2: RX */
> +	       1 0 0 0
> +	       0 0 0 0
> +	       0 0 0 0
> +	       0 0 0 0
> +	>;
> +	tx-num-evt = <32>;
> +	rx-num-evt = <32>;
> +};
> +
> +&mcasp2 {
> +	status = "disabled";
> +};
> +
>  &mailbox0_cluster0 {
>  	mbox_m4_0: mbox-m4-0 {
>  		ti,mbox-rx = <0 0 0>;
> 
> -- 
> 2.17.1
> 

-- 
Regards,
Nishanth Menon
Key (0xDDB5849D1736249D) / Fingerprint: F8A2 8693 54EB 8232 17A3  1A34 DDB5 849D 1736 249D