[PATCH 3/5] ARM: dts: stm32: Add alternate pinmux for can pins

From: Sean Nyekjaer
Date: Tue Jun 20 2023 - 07:42:05 EST


Add another mux option for can pins, this is used on Octavo OSD32MP1-RED board.

Signed-off-by: Sean Nyekjaer <sean@xxxxxxxxxx>
Reviewed-by: Olivier Moysan <olivier.moysan@xxxxxxxxxxx>
---
arch/arm/boot/dts/stm32mp15-pinctrl.dtsi | 20 ++++++++++++++++++++
1 file changed, 20 insertions(+)

diff --git a/arch/arm/boot/dts/stm32mp15-pinctrl.dtsi b/arch/arm/boot/dts/stm32mp15-pinctrl.dtsi
index 422db6dd466c..537908a20efb 100644
--- a/arch/arm/boot/dts/stm32mp15-pinctrl.dtsi
+++ b/arch/arm/boot/dts/stm32mp15-pinctrl.dtsi
@@ -1144,6 +1144,26 @@ pins {
};
};

+ m_can1_pins_d: m-can1-3 {
+ pins1 {
+ pinmux = <STM32_PINMUX('D', 1, AF9)>; /* CAN1_TX */
+ slew-rate = <1>;
+ drive-push-pull;
+ bias-disable;
+ };
+ pins2 {
+ pinmux = <STM32_PINMUX('D', 0, AF9)>; /* CAN1_RX */
+ bias-disable;
+ };
+ };
+
+ m_can1_sleep_pins_d: m_can1-sleep-3 {
+ pins {
+ pinmux = <STM32_PINMUX('D', 1, ANALOG)>, /* CAN1_TX */
+ <STM32_PINMUX('D', 0, ANALOG)>; /* CAN1_RX */
+ };
+ };
+
m_can2_pins_a: m-can2-0 {
pins1 {
pinmux = <STM32_PINMUX('B', 13, AF9)>; /* CAN2_TX */
--
2.40.0