ARM: dts: stm32: Add alternate pinmux for UART3 pins
Add another mux option for UART3 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 f0d66d8..823ef2e 100644
--- a/arch/arm/dts/stm32mp15-pinctrl.dtsi
+++ b/arch/arm/dts/stm32mp15-pinctrl.dtsi
@@ -2134,6 +2134,47 @@
};
};
+ usart3_pins_e: usart3-4 {
+ pins1 {
+ pinmux = <STM32_PINMUX('B', 10, AF7)>, /* USART3_TX */
+ <STM32_PINMUX('G', 8, AF8)>; /* USART3_RTS */
+ bias-disable;
+ drive-push-pull;
+ slew-rate = <0>;
+ };
+ pins2 {
+ pinmux = <STM32_PINMUX('B', 11, AF7)>, /* USART3_RX */
+ <STM32_PINMUX('D', 11, AF7)>; /* USART3_CTS_NSS */
+ bias-pull-up;
+ };
+ };
+
+ usart3_idle_pins_e: usart3-idle-4 {
+ pins1 {
+ pinmux = <STM32_PINMUX('B', 10, ANALOG)>, /* USART3_TX */
+ <STM32_PINMUX('D', 11, ANALOG)>; /* USART3_CTS_NSS */
+ };
+ pins2 {
+ pinmux = <STM32_PINMUX('G', 8, AF8)>; /* USART3_RTS */
+ bias-disable;
+ drive-push-pull;
+ slew-rate = <0>;
+ };
+ pins3 {
+ pinmux = <STM32_PINMUX('B', 11, AF7)>; /* USART3_RX */
+ bias-pull-up;
+ };
+ };
+
+ usart3_sleep_pins_e: usart3-sleep-4 {
+ pins {
+ pinmux = <STM32_PINMUX('B', 10, ANALOG)>, /* USART3_TX */
+ <STM32_PINMUX('G', 8, ANALOG)>, /* USART3_RTS */
+ <STM32_PINMUX('D', 11, ANALOG)>, /* USART3_CTS_NSS */
+ <STM32_PINMUX('B', 11, ANALOG)>; /* USART3_RX */
+ };
+ };
+
usbotg_hs_pins_a: usbotg-hs-0 {
pins {
pinmux = <STM32_PINMUX('A', 10, ANALOG)>; /* OTG_ID */