[RFC,3/4] ARM: dts: stm32: add pin map for CAN controller on stm32f4
diff mbox series

Message ID 20220817143529.257908-4-dario.binacchi@amarulasolutions.com
State New
Headers show
Series
  • can: bxcan: add support for ST bxCAN controller
Related show

Commit Message

Dario Binacchi Aug. 17, 2022, 2:35 p.m. UTC 
Add pin configurations for using CAN controller on stm32f469-disco
board. They are located on the Arduino compatible connector CN5 (CAN1)
and on the extension connector CN12 (CAN2).

Signed-off-by: Dario Binacchi <dariobin@libero.it>
Signed-off-by: Dario Binacchi <dario.binacchi@amarulasolutions.com>
---

 arch/arm/boot/dts/stm32f4-pinctrl.dtsi | 32 ++++++++++++++++++++++++++
 1 file changed, 32 insertions(+)

Comments

Krzysztof Kozlowski Aug. 18, 2022, 8:22 a.m. UTC | #1 
On 17/08/2022 17:35, Dario Binacchi wrote:
> Add pin configurations for using CAN controller on stm32f469-disco
> board. They are located on the Arduino compatible connector CN5 (CAN1)
> and on the extension connector CN12 (CAN2).
> 


> +
> +			can2_pins_b: can2-1 {
> +				pins1 {
> +					pinmux = <STM32_PINMUX('B', 13, AF9)>; /* CAN2_TX */
> +
> +				};
> +				pins2 {
> +					pinmux = <STM32_PINMUX('B', 12, AF9)>; /* CAN2_RX */
> +					bias-pull-up;
> +				};
> +			};
> +

No need for blank line.



Best regards,
Krzysztof

Patch
diff mbox series 

diff --git a/arch/arm/boot/dts/stm32f4-pinctrl.dtsi b/arch/arm/boot/dts/stm32f4-pinctrl.dtsi
index 500bcc302d42..a8709363898a 100644
--- a/arch/arm/boot/dts/stm32f4-pinctrl.dtsi
+++ b/arch/arm/boot/dts/stm32f4-pinctrl.dtsi
@@ -448,6 +448,38 @@  pins2 {
 					slew-rate = <2>;
 				};
 			};
+
+			can1_pins_a: can1-0 {
+				pins1 {
+					pinmux = <STM32_PINMUX('B', 9, AF9)>; /* CAN1_TX */
+				};
+				pins2 {
+					pinmux = <STM32_PINMUX('B', 8, AF9)>; /* CAN1_RX */
+					bias-pull-up;
+				};
+			};
+
+			can2_pins_a: can2-0 {
+				pins1 {
+					pinmux = <STM32_PINMUX('B', 13, AF9)>; /* CAN2_TX */
+				};
+				pins2 {
+					pinmux = <STM32_PINMUX('B', 5, AF9)>; /* CAN2_RX */
+					bias-pull-up;
+				};
+			};
+
+			can2_pins_b: can2-1 {
+				pins1 {
+					pinmux = <STM32_PINMUX('B', 13, AF9)>; /* CAN2_TX */
+
+				};
+				pins2 {
+					pinmux = <STM32_PINMUX('B', 12, AF9)>; /* CAN2_RX */
+					bias-pull-up;
+				};
+			};
+
 		};
 	};
 };