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

[Sean Nyekjaer]

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

Signed-off-by: Sean Nyekjaer <sean at geanix.com>
---
 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