ARM: dts: stm32: Add alternate pinmux for UART4 pins
Add another mux option for UART4 pins, this is used on DRC Compact board.
Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Patrice Chotard <patrice.chotard@foss.st.com>
Cc: Patrick Delaunay <patrick.delaunay@foss.st.com>
Reviewed-by: Patrice Chotard <patrice.chotard@foss.st.com>
Reviewed-by: Patrick Delaunay <patrick.delaunay@foss.st.com>
diff --git a/arch/arm/dts/stm32mp15-pinctrl.dtsi b/arch/arm/dts/stm32mp15-pinctrl.dtsi
index 823ef2e..dc329bf 100644
--- a/arch/arm/dts/stm32mp15-pinctrl.dtsi
+++ b/arch/arm/dts/stm32mp15-pinctrl.dtsi
@@ -1835,6 +1835,36 @@
};
};
+ uart4_pins_d: uart4-3 {
+ pins1 {
+ pinmux = <STM32_PINMUX('A', 13, AF8)>; /* UART4_TX */
+ bias-disable;
+ drive-push-pull;
+ slew-rate = <0>;
+ };
+ pins2 {
+ pinmux = <STM32_PINMUX('B', 2, AF8)>; /* UART4_RX */
+ bias-disable;
+ };
+ };
+
+ uart4_idle_pins_d: uart4-idle-3 {
+ pins1 {
+ pinmux = <STM32_PINMUX('A', 13, ANALOG)>; /* UART4_TX */
+ };
+ pins2 {
+ pinmux = <STM32_PINMUX('B', 2, AF8)>; /* UART4_RX */
+ bias-disable;
+ };
+ };
+
+ uart4_sleep_pins_d: uart4-sleep-3 {
+ pins {
+ pinmux = <STM32_PINMUX('A', 13, ANALOG)>, /* UART4_TX */
+ <STM32_PINMUX('B', 2, ANALOG)>; /* UART4_RX */
+ };
+ };
+
uart7_pins_a: uart7-0 {
pins1 {
pinmux = <STM32_PINMUX('E', 8, AF7)>; /* UART7_TX */