[PATCH 9/9] ARM: dts: microchip: sama7d65: Enable CAN bus

Ryan.Wanner@microchip.com posted 9 patches 9 months ago
There is a newer version of this series
[PATCH 9/9] ARM: dts: microchip: sama7d65: Enable CAN bus
Posted by Ryan.Wanner@microchip.com 9 months ago
From: Ryan Wanner <Ryan.Wanner@microchip.com>

Enable CAN bus for SAMA7D65 curiosity board.

Signed-off-by: Ryan Wanner <Ryan.Wanner@microchip.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;
 	};
+};
+
+&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>;
+		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>,
-- 
2.43.0
Re: [PATCH 9/9] ARM: dts: microchip: sama7d65: Enable CAN bus
Posted by Claudiu Beznea 8 months ago

On 12.05.2025 22:27, Ryan.Wanner@microchip.com wrote:
> From: Ryan Wanner <Ryan.Wanner@microchip.com>
> 
> Enable CAN bus for SAMA7D65 curiosity board.
> 
> Signed-off-by: Ryan Wanner <Ryan.Wanner@microchip.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@tuxon.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>,