[V5,13/20] ARM: dts: stm32: Add alternate pinmux for USART2 pins

Commit Message

Marek Vasut April 22, 2020, 10:46 a.m. UTC

Add mux option for USART2 pins, this is used on AV96 board.

Reviewed-by: Manivannan Sadhasivam <[e-mail]>
Signed-off-by: Marek Vasut <[e-mail]>
Cc: Alexandre Torgue <[e-mail]>
Cc: Manivannan Sadhasivam <[e-mail]>
Cc: Maxime Coquelin <[e-mail]>
Cc: Patrice Chotard <[e-mail]>
Cc: Patrick Delaunay <[e-mail]>
Cc: [e-mail]
To: [e-mail]
---
V2: No change
V3: No change
V4: Rebase on stm32-next
V5: No change
---
 arch/arm/boot/dts/stm32mp15-pinctrl.dtsi | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)

Patch

diff --git a/arch/arm/boot/dts/stm32mp15-pinctrl.dtsi b/arch/arm/boot/dts/stm32mp15-pinctrl.dtsi
index 0f9a6b1325f9..f4bf87bd9b7e 100644
--- a/arch/arm/boot/dts/stm32mp15-pinctrl.dtsi
+++ b/arch/arm/boot/dts/stm32mp15-pinctrl.dtsi
@@ -1389,6 +1389,30 @@  pins {
 		};
 	};
 
+	usart2_pins_a: usart2-0 {
+		pins1 {
+			pinmux = <STM32_PINMUX('F', 5, AF7)>, /* USART2_TX */
+				 <STM32_PINMUX('D', 4, AF7)>; /* USART2_RTS */
+			bias-disable;
+			drive-push-pull;
+			slew-rate = <0>;
+		};
+		pins2 {
+			pinmux = <STM32_PINMUX('D', 6, AF7)>, /* USART2_RX */
+				 <STM32_PINMUX('D', 3, AF7)>; /* USART2_CTS_NSS */
+			bias-disable;
+		};
+	};
+
+	usart2_sleep_pins_a: usart2-sleep-0 {
+		pins {
+			pinmux = <STM32_PINMUX('F', 5, ANALOG)>, /* USART2_TX */
+				 <STM32_PINMUX('D', 4, ANALOG)>, /* USART2_RTS */
+				 <STM32_PINMUX('D', 6, ANALOG)>, /* USART2_RX */
+				 <STM32_PINMUX('D', 3, ANALOG)>; /* USART2_CTS_NSS */
+		};
+	};
+
 	usart3_pins_a: usart3-0 {
 		pins1 {
 			pinmux = <STM32_PINMUX('B', 10, AF7)>; /* USART3_TX */