linux-kernel - Re: [PATCH v3 7/8] riscv: dts: thead: Add TH1520 pinctrl settings for UART0

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Message-ID: <CAJM55Z_g63DMu+SAv2u1V86CYYOBUKwF_EZGbp9tb=zY777mVg@mail.gmail.com>
Date: Sat, 12 Oct 2024 08:48:37 -0500
From: Emil Renner Berthing <emil.renner.berthing@...onical.com>
To: Drew Fustini <dfustini@...storrent.com>, Drew Fustini <drew@...7.com>, Guo Ren <guoren@...nel.org>, 
	Fu Wei <wefu@...hat.com>, Linus Walleij <linus.walleij@...aro.org>, 
	Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley <conor+dt@...nel.org>, 
	Paul Walmsley <paul.walmsley@...ive.com>, Palmer Dabbelt <palmer@...belt.com>, 
	Albert Ou <aou@...s.berkeley.edu>, 
	Emil Renner Berthing <emil.renner.berthing@...onical.com>, 
	Thomas Bonnefille <thomas.bonnefille@...tlin.com>
Cc: linux-riscv@...ts.infradead.org, linux-gpio@...r.kernel.org, 
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 7/8] riscv: dts: thead: Add TH1520 pinctrl settings for UART0

Drew Fustini wrote:
> From: Emil Renner Berthing <emil.renner.berthing@...onical.com>
>
> Add pinctrl settings for UART0 used as the default debug console on
> both the Lichee Pi 4A and BeagleV Ahead boards.
>
> Tested-by: Thomas Bonnefille <thomas.bonnefille@...tlin.com>
> Signed-off-by: Emil Renner Berthing <emil.renner.berthing@...onical.com>
> Signed-off-by: Drew Fustini <dfustini@...storrent.com>
> ---
>  arch/riscv/boot/dts/thead/th1520-beaglev-ahead.dts | 26 ++++++++++++++++++++++
>  arch/riscv/boot/dts/thead/th1520-lichee-pi-4a.dts  | 26 ++++++++++++++++++++++
>  2 files changed, 52 insertions(+)
>
> diff --git a/arch/riscv/boot/dts/thead/th1520-beaglev-ahead.dts b/arch/riscv/boot/dts/thead/th1520-beaglev-ahead.dts
> index 69f82e7afd0b..6c0b768e8d17 100644
> --- a/arch/riscv/boot/dts/thead/th1520-beaglev-ahead.dts
> +++ b/arch/riscv/boot/dts/thead/th1520-beaglev-ahead.dts
> @@ -71,7 +71,33 @@ &sdio0 {
>  	status = "okay";
>  };
>
> +&padctrl0_apsys {
> +	uart0_pins: uart0-0 {
> +		tx-pins {
> +			pins = "UART0_TXD";
> +			function = "uart";
> +			bias-disable;
> +			drive-strength = <3>;
> +			input-disable;
> +			input-schmitt-disable;
> +			slew-rate = <0>;
> +		};
> +
> +		rx-pins {
> +			pins = "UART0_RXD";
> +			function = "uart";
> +			bias-disable;
> +			drive-strength = <1>;
> +			input-enable;
> +			input-schmitt-enable;
> +			slew-rate = <0>;
> +		};
> +	};
> +};
> +
>  &uart0 {
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&uart0_pins>;
>  	status = "okay";
>  };
>
> diff --git a/arch/riscv/boot/dts/thead/th1520-lichee-pi-4a.dts b/arch/riscv/boot/dts/thead/th1520-lichee-pi-4a.dts
> index 58ad381fc1c3..f60b1879192d 100644
> --- a/arch/riscv/boot/dts/thead/th1520-lichee-pi-4a.dts
> +++ b/arch/riscv/boot/dts/thead/th1520-lichee-pi-4a.dts
> @@ -30,7 +30,33 @@ chosen {
>  	};
>  };
>
> +&padctrl0_apsys {
> +	uart0_pins: uart0-0 {
> +		tx-pins {
> +			pins = "UART0_TXD";
> +			function = "uart";
> +			bias-disable;
> +			drive-strength = <3>;
> +			input-disable;
> +			input-schmitt-disable;
> +			slew-rate = <0>;
> +		};
> +
> +		rx-pins {
> +			pins = "UART0_RXD";
> +			function = "uart";
> +			bias-disable;
> +			drive-strength = <1>;
> +			input-enable;
> +			input-schmitt-enable;
> +			slew-rate = <0>;
> +		};
> +	};
> +};
> +
>  &uart0 {
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&uart0_pins>;
>  	status = "okay";
>  };

For these two files you also broke the ordering.

/Emil