[PATCH 16/19] ARM: dts: stm32: Add alternate pinmux for MP13 USART2 pins

[Marek Vasut]

Add another mux option for USART2 pins, this is used on
DH electronics STM32MP13xx DHCOR DHSBC board.

Signed-off-by: Marek Vasut <marex at denx.de>
---
Cc: Patrice Chotard <patrice.chotard at foss.st.com>
Cc: Patrick Delaunay <patrick.delaunay at foss.st.com>
Cc: u-boot at dh-electronics.com
Cc: uboot-stm32 at st-md-mailman.stormreply.com
---
 arch/arm/dts/stm32mp13-pinctrl.dtsi | 41 +++++++++++++++++++++++++++++
 1 file changed, 41 insertions(+)

diff --git a/arch/arm/dts/stm32mp13-pinctrl.dtsi b/arch/arm/dts/stm32mp13-pinctrl.dtsi
index dae015a0ddf..65f91265a4d 100644
--- a/arch/arm/dts/stm32mp13-pinctrl.dtsi
+++ b/arch/arm/dts/stm32mp13-pinctrl.dtsi
@@ -758,4 +758,45 @@
 				 <STM32_PINMUX('E', 11, ANALOG)>; /* USART2_CTS_NSS */
 		};
 	};
+
+	usart2_pins_b: usart2-0 {
+		pins1 {
+			pinmux = <STM32_PINMUX('F', 11, AF1)>, /* USART2_TX */
+				 <STM32_PINMUX('A', 1, AF7)>; /* USART2_RTS */
+			bias-disable;
+			drive-push-pull;
+			slew-rate = <0>;
+		};
+		pins2 {
+			pinmux = <STM32_PINMUX('D', 15, AF1)>, /* USART2_RX */
+				 <STM32_PINMUX('E', 15, AF3)>; /* USART2_CTS_NSS */
+			bias-disable;
+		};
+	};
+
+	usart2_idle_pins_b: usart2-idle-0 {
+		pins1 {
+			pinmux = <STM32_PINMUX('F', 11, ANALOG)>, /* USART2_TX */
+				 <STM32_PINMUX('E', 15, ANALOG)>; /* USART2_CTS_NSS */
+		};
+		pins2 {
+			pinmux = <STM32_PINMUX('A', 1, AF7)>; /* USART2_RTS */
+			bias-disable;
+			drive-push-pull;
+			slew-rate = <0>;
+		};
+		pins3 {
+			pinmux = <STM32_PINMUX('D', 15, AF1)>; /* USART2_RX */
+			bias-disable;
+		};
+	};
+
+	usart2_sleep_pins_b: usart2-sleep-0 {
+		pins {
+			pinmux = <STM32_PINMUX('F', 11, ANALOG)>, /* USART2_TX */
+				 <STM32_PINMUX('A', 1, ANALOG)>, /* USART2_RTS */
+				 <STM32_PINMUX('D', 15, ANALOG)>, /* USART2_RX */
+				 <STM32_PINMUX('E', 15, ANALOG)>; /* USART2_CTS_NSS */
+		};
+	};
 };
-- 
2.43.0