linux-kernel - Re: [PATCH 3/5] arm64: dts: ti: k3-j7200: main

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Message-ID: <20230426125145.wb6qbhb3c7igx45j@seldom>
Date:   Wed, 26 Apr 2023 07:51:45 -0500
From:   Nishanth Menon <nm@...com>
To:     Udit Kumar <u-kumar1@...com>
CC:     <vigneshr@...com>, <kristo@...nel.org>, <robh+dt@...nel.org>,
        <krzysztof.kozlowski+dt@...aro.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <m-chawdhry@...com>, <n-francis@...com>
Subject: Re: [PATCH 3/5] arm64: dts: ti: k3-j7200: main_pmx0 clean up

On 16:02-20230426, Udit Kumar wrote:
> This patch removes duplicated define of main_i2c0
> and adds main_uart0 pin mux.
> 
> Signed-off-by: Udit Kumar <u-kumar1@...com>
> ---
>  arch/arm64/boot/dts/ti/k3-j7200-common-proc-board.dts | 10 +++++++---
>  1 file changed, 7 insertions(+), 3 deletions(-)
> 
> diff --git a/arch/arm64/boot/dts/ti/k3-j7200-common-proc-board.dts b/arch/arm64/boot/dts/ti/k3-j7200-common-proc-board.dts
> index 63633e4f6c59..37eb24d69924 100644
> --- a/arch/arm64/boot/dts/ti/k3-j7200-common-proc-board.dts
> +++ b/arch/arm64/boot/dts/ti/k3-j7200-common-proc-board.dts
> @@ -107,10 +107,12 @@ J721E_WKUP_IOPAD(0x0030, PIN_INPUT, 0) /* (L4) MCU_MDIO0_MDIO */
>  };
>  
>  &main_pmx0 {
> -	main_i2c0_pins_default: main-i2c0-pins-default {

nice catch, but We should clean up the reference in
common-proc-board.dts, which would make it it's own patch. Also
indicate that the definition is already present in som.dtsi


> +	main_uart0_pins_default: main_uart0_pins_default {
>  		pinctrl-single,pins = <
> -			J721E_IOPAD(0xd4, PIN_INPUT_PULLUP, 0) /* (V3) I2C0_SCL */
> -			J721E_IOPAD(0xd8, PIN_INPUT_PULLUP, 0) /* (W2) I2C0_SDA */
> +			J721E_IOPAD(0xb0, PIN_INPUT, 0) /* (T16) UART0_RXD */
> +			J721E_IOPAD(0xb4, PIN_OUTPUT, 0) /* (T17) UART0_TXD */
> +			J721E_IOPAD(0xc0, PIN_INPUT, 2) /* (W3) SPI0_CS0.UART0_CTSn */
> +			J721E_IOPAD(0xc4, PIN_OUTPUT, 2) /* (U5) SPI0_CS1.UART0_RTSn */
>  		>;
>  	};
>  
> @@ -163,6 +165,8 @@ &main_uart0 {
>  	status = "okay";
>  	/* Shared with ATF on this platform */
>  	power-domains = <&k3_pds 146 TI_SCI_PD_SHARED>;
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&main_uart0_pins_default>;
>  };
>  
>  &main_uart1 {
> -- 
> 2.34.1
> 

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