[PATCH 18/20] ARM: dts: stm32: Add alternate pinmux for MP13 UART4 pins

[Marek Vasut]

Add another mux option for UART4 pins, this is used on
DH electronics STM32MP13xx DHCOR DHSBC board.

Signed-off-by: Marek Vasut <marex at denx.de>
---
Cc: "Leonard Göhrs" <l.goehrs at pengutronix.de>
Cc: Ahmad Fatoum <a.fatoum at pengutronix.de>
Cc: Alexandre Torgue <alexandre.torgue at foss.st.com>
Cc: Andre Przywara <andre.przywara at arm.com>
Cc: Conor Dooley <conor+dt at kernel.org>
Cc: Dario Binacchi <dario.binacchi at amarulasolutions.com>
Cc: Krzysztof Kozlowski <krzk+dt at kernel.org>
Cc: Linus Walleij <linus.walleij at linaro.org>
Cc: Maxime Coquelin <mcoquelin.stm32 at gmail.com>
Cc: Rob Herring <robh at kernel.org>
Cc: Sean Nyekjaer <sean at geanix.com>
Cc: Steffen Trumtrar <s.trumtrar at pengutronix.de>
Cc: devicetree at vger.kernel.org
Cc: kernel at dh-electronics.com
Cc: linux-arm-kernel at lists.infradead.org
Cc: linux-stm32 at st-md-mailman.stormreply.com
---
 arch/arm/boot/dts/st/stm32mp13-pinctrl.dtsi | 30 +++++++++++++++++++++
 1 file changed, 30 insertions(+)

diff --git a/arch/arm/boot/dts/st/stm32mp13-pinctrl.dtsi b/arch/arm/boot/dts/st/stm32mp13-pinctrl.dtsi
index 65f91265a4d4a..7014c7a6d23e6 100644
--- a/arch/arm/boot/dts/st/stm32mp13-pinctrl.dtsi
+++ b/arch/arm/boot/dts/st/stm32mp13-pinctrl.dtsi
@@ -617,6 +617,36 @@ pins {
 		};
 	};
 
+	uart4_pins_b: uart4-1 {
+		pins1 {
+			pinmux = <STM32_PINMUX('A', 9, AF8)>; /* UART4_TX */
+			bias-disable;
+			drive-push-pull;
+			slew-rate = <0>;
+		};
+		pins2 {
+			pinmux = <STM32_PINMUX('D', 8, AF8)>; /* UART4_RX */
+			bias-pull-up;
+		};
+	};
+
+	uart4_idle_pins_b: uart4-idle-1 {
+		pins1 {
+			pinmux = <STM32_PINMUX('A', 9, ANALOG)>; /* UART4_TX */
+		};
+		pins2 {
+			pinmux = <STM32_PINMUX('D', 8, AF8)>; /* UART4_RX */
+			bias-pull-up;
+		};
+	};
+
+	uart4_sleep_pins_b: uart4-sleep-1 {
+		pins {
+			pinmux = <STM32_PINMUX('A', 9, ANALOG)>, /* UART4_TX */
+				 <STM32_PINMUX('D', 8, ANALOG)>; /* UART4_RX */
+		};
+	};
+
 	uart8_pins_a: uart8-0 {
 		pins1 {
 			pinmux = <STM32_PINMUX('E', 1, AF8)>; /* UART8_TX */
-- 
2.43.0