linux-kernel - Re: [PATCH 2/3] arm64: dts: ti: k3-j721s2-common-proc-board: Remove Pinmux for CTS and RTS in Wakeup Uart

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Date: Fri, 9 Feb 2024 10:07:21 +0530
From: Vignesh Raghavendra <vigneshr@...com>
To: Bhavya Kapoor <b-kapoor@...com>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>
CC: <nm@...com>, <kristo@...nel.org>, <robh+dt@...nel.org>,
        <krzysztof.kozlowski+dt@...aro.org>, <conor+dt@...nel.org>,
        <linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH 2/3] arm64: dts: ti: k3-j721s2-common-proc-board: Remove
 Pinmux for CTS and RTS in Wakeup Uart



On 08/02/24 16:36, Bhavya Kapoor wrote:
> Only Tx and Rx Signal lines for wake up uart are brought out on

Please be consistent when referring to instance names

s/wake up uart/wkup_uart0

applies to $subject and in commit msg (same issue in patch 3/3 too)

> the Common Proc Board through SoM, but CTS and RTS signal lines
> are not brought on the board. Thus, remove pinmux for CTS and RTS
> signal lines for wake up uart in J721S2.
> 
> Signed-off-by: Bhavya Kapoor <b-kapoor@...com>
> ---
>  arch/arm64/boot/dts/ti/k3-j721s2-common-proc-board.dts | 2 --
>  1 file changed, 2 deletions(-)
> 
> diff --git a/arch/arm64/boot/dts/ti/k3-j721s2-common-proc-board.dts b/arch/arm64/boot/dts/ti/k3-j721s2-common-proc-board.dts
> index 361365bb5523..6371cb1c1fe7 100644
> --- a/arch/arm64/boot/dts/ti/k3-j721s2-common-proc-board.dts
> +++ b/arch/arm64/boot/dts/ti/k3-j721s2-common-proc-board.dts
> @@ -190,8 +190,6 @@ J721S2_IOPAD(0x038, PIN_OUTPUT, 0) /* (AB28) MCASP0_ACLKX.MCAN5_TX */
>  &wkup_pmx2 {
>  	wkup_uart0_pins_default: wkup-uart0-default-pins {
>  		pinctrl-single,pins = <
> -			J721S2_WKUP_IOPAD(0x070, PIN_INPUT, 0) /* (E25) WKUP_GPIO0_6.WKUP_UART0_CTSn */
> -			J721S2_WKUP_IOPAD(0x074, PIN_OUTPUT, 0) /* (F28) WKUP_GPIO0_7.WKUP_UART0_RTSn */
>  			J721S2_WKUP_IOPAD(0x048, PIN_INPUT, 0) /* (D28) WKUP_UART0_RXD */
>  			J721S2_WKUP_IOPAD(0x04c, PIN_OUTPUT, 0) /* (D27) WKUP_UART0_TXD */
>  		>;

-- 
Regards
Vignesh