[PATCH 15/19] ARM: dts: stm32: Add alternate pinmux for MP13 USART1 pins

[Marek Vasut]

Add another mux option for USART1 pins, this is used on
DH electronics STM32MP13xx DHCOR DHSBC board.

Signed-off-by: Marek Vasut <ma...@denx.de>
---
Cc: Patrice Chotard <patrice.chot...@foss.st.com>
Cc: Patrick Delaunay <patrick.delau...@foss.st.com>
Cc: u-b...@dh-electronics.com
Cc: uboot-st...@st-md-mailman.stormreply.com
---
 arch/arm/dts/stm32mp13-pinctrl.dtsi | 30 +++++++++++++++++++++++++++++
 1 file changed, 30 insertions(+)

diff --git a/arch/arm/dts/stm32mp13-pinctrl.dtsi 
b/arch/arm/dts/stm32mp13-pinctrl.dtsi
index 7abd227e69f..dae015a0ddf 100644
--- a/arch/arm/dts/stm32mp13-pinctrl.dtsi
+++ b/arch/arm/dts/stm32mp13-pinctrl.dtsi
@@ -688,6 +688,36 @@
                };
        };
 
+       usart1_pins_b: usart1-1 {
+               pins1 {
+                       pinmux = <STM32_PINMUX('C', 0, AF7)>; /* USART1_TX */
+                       bias-disable;
+                       drive-push-pull;
+                       slew-rate = <0>;
+               };
+               pins2 {
+                       pinmux = <STM32_PINMUX('D', 14, AF7)>; /* USART1_RX */
+                       bias-pull-up;
+               };
+       };
+
+       usart1_idle_pins_b: usart1-idle-1 {
+               pins1 {
+                       pinmux = <STM32_PINMUX('C', 0, ANALOG)>; /* USART1_TX */
+               };
+               pins2 {
+                       pinmux = <STM32_PINMUX('D', 14, AF7)>; /* USART1_RX */
+                       bias-pull-up;
+               };
+       };
+
+       usart1_sleep_pins_b: usart1-sleep-1 {
+               pins {
+                       pinmux = <STM32_PINMUX('C', 0, ANALOG)>, /* USART1_TX */
+                                <STM32_PINMUX('D', 14, ANALOG)>; /* USART1_RX 
*/
+               };
+       };
+
        usart2_pins_a: usart2-0 {
                pins1 {
                        pinmux = <STM32_PINMUX('H', 12, AF1)>, /* USART2_TX */
-- 
2.43.0