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>

---

Changes in v2:
- Remove a blank line.

 arch/arm/boot/dts/stm32f4-pinctrl.dtsi | 31 ++++++++++++++++++++++++++
 1 file changed, 31 insertions(+)

diff --git a/arch/arm/boot/dts/stm32f4-pinctrl.dtsi b/arch/arm/boot/dts/stm32f4-pinctrl.dtsi
index 500bcc302d42..3a9c3180fbf9 100644
--- a/arch/arm/boot/dts/stm32f4-pinctrl.dtsi
+++ b/arch/arm/boot/dts/stm32f4-pinctrl.dtsi
@@ -448,6 +448,37 @@ 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;
+				};
+			};
+
 		};
 	};
 };
-- 
2.32.0

On 20/08/2022 11:29, 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).
> 
> Signed-off-by: Dario Binacchi <dariobin@libero.it>
> Signed-off-by: Dario Binacchi <dario.binacchi@amarulasolutions.com>

Do not ignore review. This is not correct. You are mixing copyright with
SoC...

> 


> +			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;
> +				};
> +			};
> +

Don't ignore review.

That's second one, so that's a no.. :(

Best regards,
Krzysztof

Hi Krzysztof,

On Tue, Aug 23, 2022 at 3:43 PM Krzysztof Kozlowski
<krzysztof.kozlowski@linaro.org> wrote:
>
> On 20/08/2022 11:29, 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).
> >
> > Signed-off-by: Dario Binacchi <dariobin@libero.it>
> > Signed-off-by: Dario Binacchi <dario.binacchi@amarulasolutions.com>
>
> Do not ignore review. This is not correct. You are mixing copyright with
> SoC...

OK. I got it. I will drop one SOB in version 3.

>
> >
>
>
> > +                     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;
> > +                             };
> > +                     };
> > +
>
> Don't ignore review.

Sorry, I didn't want to ignore your review, I thought the blank line
to be removed was another.
Actually I had to remove two blank lines and I left out the one you suggested.

Thanks and regards,
Dario

>
> That's second one, so that's a no.. :(


>
> Best regards,
> Krzysztof



-- 

Dario Binacchi

Embedded Linux Developer

dario.binacchi@amarulasolutions.com

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