linux-kernel - Re: [PATCH 1/2] arm64: dts: ti: k3-am62x-sk-common: Add main_uart1 and wkup

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Message-ID: <20230530175049.yjcc6nnuipbkafhx@cryptic>
Date:   Tue, 30 May 2023 12:50:49 -0500
From:   Nishanth Menon <nm@...com>
To:     Nitin Yadav <n-yadav@...com>
CC:     <vigneshr@...com>, <kristo@...nel.org>, <robh+dt@...nel.org>,
        <krzysztof.kozlowski+dt@...aro.org>, <conor+dt@...nel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 1/2] arm64: dts: ti: k3-am62x-sk-common: Add main_uart1
 and wkup_uart nodes

On 18:02-20230510, Nitin Yadav wrote:
> wkup_uart and main_uart1 on this platform is used by TIFS and DM
> firmwares. Describe pinmux and add aliases for completeness.
> 
> Signed-off-by: Nitin Yadav <n-yadav@...com>
> ---
>  .../arm64/boot/dts/ti/k3-am62x-sk-common.dtsi | 26 +++++++++++++++++++
>  1 file changed, 26 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/ti/k3-am62x-sk-common.dtsi b/arch/arm64/boot/dts/ti/k3-am62x-sk-common.dtsi
> index 976f8303c84f..e29ea8ae2177 100644
> --- a/arch/arm64/boot/dts/ti/k3-am62x-sk-common.dtsi
> +++ b/arch/arm64/boot/dts/ti/k3-am62x-sk-common.dtsi
> @@ -12,7 +12,9 @@
>  
>  / {
>  	aliases {
> +		serial0 = &wkup_uart0;
>  		serial2 = &main_uart0;
> +		serial3 = &main_uart1;
>  		mmc0 = &sdhci0;
>  		mmc1 = &sdhci1;
>  		mmc2 = &sdhci2;
> @@ -127,6 +129,15 @@ AM62X_IOPAD(0x1cc, PIN_OUTPUT, 0) /* (E14/E11) UART0_TXD */
>  		>;
>  	};
>  
> +	main_uart1_pins_default: main-uart1-pins-default {
> +		pinctrl-single,pins = <
> +			AM62X_IOPAD(0x194, PIN_INPUT, 2) /* (B19) MCASP0_AXR3.UART1_CTSn */
> +			AM62X_IOPAD(0x198, PIN_OUTPUT, 2) /* (A19) MCASP0_AXR2.UART1_RTSn */
> +			AM62X_IOPAD(0x1ac, PIN_INPUT, 2) /* (E19) MCASP0_AFSR.UART1_RXD */
> +			AM62X_IOPAD(0x1b0, PIN_OUTPUT, 2) /* (A20) MCAS/mP0_ACLKR.UART1_TXD */
In all places for sk-common.dtsi,

Could you fix the documentation in line with rest of the code?

/* First pad number is ALW package and second is AMC package */

[..]

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