linux-kernel - Re: [PATCH 3/3] arm64: dts: ti: k3-j784s4-evm: Enable analog audio support

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Date: Sat, 22 Jun 2024 12:14:39 +0530
From: Vignesh Raghavendra <vigneshr@...com>
To: Jayesh Choudhary <j-choudhary@...com>, <linux-kernel@...r.kernel.org>,
        <nm@...com>, <j-luthra@...com>
CC: <kristo@...nel.org>, <robh@...nel.org>, <krzk+dt@...nel.org>,
        <conor+dt@...nel.org>, <linux-arm-kernel@...ts.infradead.org>,
        <devicetree@...r.kernel.org>, <u-kumar1@...com>
Subject: Re: [PATCH 3/3] arm64: dts: ti: k3-j784s4-evm: Enable analog audio
 support



On 19/06/24 15:22, Jayesh Choudhary wrote:
> &wkup_pmx2 {
> @@ -881,6 +917,14 @@ exp1: gpio@20 {
>  				  "PCIE0_4L_RC_RSTZ", "PCIE0_4L_EP_RST_EN", "PCIE1_4L_PRSNT#",
>  				  "PCIE0_4L_PRSNT#", "CDCI1_OE1/OE4", "CDCI1_OE2/OE3",
>  				  "AUDIO_MUX_SEL", "EXP_MUX2", "EXP_MUX3", "GESI_EXP_PHY_RSTZ";
> +
> +		p12-hog {
> +			/* P12 - AUDIO_MUX_SEL */
> +			gpio-hog;
> +			gpios = <12 GPIO_ACTIVE_HIGH>;
> +			output-low;
> +			line-name = "AUDIO_MUX_SEL";
> +		};
>  	};
>  
>  	exp2: gpio@22 {
> @@ -896,6 +940,22 @@ exp2: gpio@22 {
>  				  "CANUART_MUX1_SEL1", "ENET1_EXP_PWRDN", "ENET1_EXP_RESETZ",
>  				  "ENET1_I2CMUX_SEL", "ENET1_EXP_SPARE2", "ENET2_EXP_RESETZ",
>  				  "USER_INPUT1", "USER_LED1", "USER_LED2";
> +
> +		p13-hog {
> +			/* P13 - CANUART_MUX_SEL0 */
> +			gpio-hog;
> +			gpios = <13 GPIO_ACTIVE_HIGH>;
> +			output-high;
> +			line-name = "CANUART_MUX_SEL0";
> +		};
> +
> +		p15-hog {
> +			/* P15 - CANUART_MUX1_SEL1 */
> +			gpio-hog;
> +			gpios = <15 GPIO_ACTIVE_HIGH>;
> +			output-high;
> +			line-name = "CANUART_MUX1_SEL1";
> +		};
>  	};
>  };


Does this break CAN instances already enabled in the dts? If you
consider making this a overlay as defaults seem to be set for CAN

-- 
Regards
Vignesh