linux-kernel - Re: [PATCH 9/9] ARM: dts: microchip: sama7d65: Enable CAN bus

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Message-ID: <9391cd59-b23a-4df0-9799-e9766adac460@tuxon.dev>
Date: Sat, 7 Jun 2025 14:44:16 +0300
From: Claudiu Beznea <claudiu.beznea@...on.dev>
To: Ryan.Wanner@...rochip.com, herbert@...dor.apana.org.au,
 davem@...emloft.net, robh@...nel.org, krzk+dt@...nel.org,
 conor+dt@...nel.org, nicolas.ferre@...rochip.com,
 alexandre.belloni@...tlin.com, olivia@...enic.com
Cc: linux-crypto@...r.kernel.org, devicetree@...r.kernel.org,
 linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 9/9] ARM: dts: microchip: sama7d65: Enable CAN bus



On 12.05.2025 22:27, Ryan.Wanner@...rochip.com wrote:
> From: Ryan Wanner <Ryan.Wanner@...rochip.com>
> 
> Enable CAN bus for SAMA7D65 curiosity board.
> 
> Signed-off-by: Ryan Wanner <Ryan.Wanner@...rochip.com>
> ---
>  .../dts/microchip/at91-sama7d65_curiosity.dts | 35 +++++++++++++++++++
>  1 file changed, 35 insertions(+)
> 
> diff --git a/arch/arm/boot/dts/microchip/at91-sama7d65_curiosity.dts b/arch/arm/boot/dts/microchip/at91-sama7d65_curiosity.dts
> index 53a657cf4efb..34935179897e 100644
> --- a/arch/arm/boot/dts/microchip/at91-sama7d65_curiosity.dts
> +++ b/arch/arm/boot/dts/microchip/at91-sama7d65_curiosity.dts
> @@ -38,7 +38,24 @@ reg_5v: regulator-5v {
>  		regulator-max-microvolt = <5000000>;
>  		regulator-always-on;
>  	};
> +};
> +

Please drop the empty line in a different patch.

> +&can1 {
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&pinctrl_can1_default>;
> +	status = "okay";
> +};
>  
> +&can2 {
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&pinctrl_can2_default>;
> +	status = "okay";
> +};
> +
> +&can3 {
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&pinctrl_can3_default>;
> +	status = "okay";
>  };
>  
>  &dma0 {
> @@ -278,6 +295,24 @@ &main_xtal {
>  };
>  
>  &pioa {
> +	pinctrl_can1_default: can1-default {
> +		pinmux = <PIN_PD10__CANTX1>,
> +			<PIN_PD11__CANRX1>;

The "<" on on this line would have to be aligned with the one on the
previous line. Same for the other places in this patch.

I can address all these minor bits while applying, if any.

Other than this:

Reviewed-by: Claudiu Beznea <claudiu.beznea@...on.dev>

> +		bias-disable;
> +	};
> +
> +	pinctrl_can2_default: can2-default {
> +		pinmux = <PIN_PD12__CANTX2>,
> +			<PIN_PD13__CANRX2>;
> +		bias-disable;
> +	};
> +
> +	pinctrl_can3_default: can3-default {
> +		pinmux = <PIN_PD14__CANTX3>,
> +			<PIN_PD15__CANRX3>;
> +		bias-disable;
> +	};
> +
>  	pinctrl_gmac0_default: gmac0-default {
>  		pinmux = <PIN_PA26__G0_TX0>,
>  			 <PIN_PA27__G0_TX1>,