ARM: dts: stm32: m_can activation on stm32mp157c-ev1

Add activation of the Controller Area Network m_can on stm32mp157c-ev1
board.
Signed-off-by: Bich Hemon <bich.hemon@st.com>
Signed-off-by: Erwan Le Ray <erwan.leray@st.com>
Signed-off-by: Alexandre Torgue <alexandre.torgue@st.com>

arch/arm/boot/dts/stm32mp157-pinctrl.dtsi

@@ -187,6 +187,19 @@ pins {
 				};
 			};
 
+			m_can1_pins_a: m-can1-0 {
+				pins1 {
+					pinmux = <STM32_PINMUX('H', 13, AF9)>; /* CAN1_TX */
+					slew-rate = <1>;
+					drive-push-pull;
+					bias-disable;
+				};
+				pins2 {
+					pinmux = <STM32_PINMUX('I', 9, AF9)>; /* CAN1_RX */
+					bias-disable;
+				};
+			};
+
 			pwm2_pins_a: pwm2-0 {
 				pins {
 					pinmux = <STM32_PINMUX('A', 3, AF1)>; /* TIM2_CH4 */

arch/arm/boot/dts/stm32mp157c-ev1.dts

@@ -42,6 +42,12 @@ &i2c5 {
 	status = "okay";
 };
 
+&m_can1 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&m_can1_pins_a>;
+	status = "okay";
+};
+
 &qspi {
 	pinctrl-names = "default";
 	pinctrl-0 = <&qspi_clk_pins_a &qspi_bk1_pins_a &qspi_bk2_pins_a>;