Add a mux option for the USART1 pins.
This is used on the Phycore STM32MP1.
Signed-off-by: Steffen Trumtrar <s.trumtrar@xxxxxxxxxxxxxx>
---
arch/arm/boot/dts/stm32mp15-pinctrl.dtsi | 57 ++++++++++++++++++++++++
1 file changed, 57 insertions(+)
diff --git a/arch/arm/boot/dts/stm32mp15-pinctrl.dtsi b/arch/arm/boot/dts/stm32mp15-pinctrl.dtsi
index 74d01a88e1f7..c8490e5bea16 100644
--- a/arch/arm/boot/dts/stm32mp15-pinctrl.dtsi
+++ b/arch/arm/boot/dts/stm32mp15-pinctrl.dtsi
@@ -2258,6 +2258,33 @@ pins {
};
};
+ usart1_pins_a: usart1-0 {
+ pins1 {
+ pinmux = <STM32_PINMUX('A', 12, AF7)>; /* USART1_RTS */
+ bias-disable;
+ drive-push-pull;
+ slew-rate = <0>;
+ };
+ pins2 {
+ pinmux = <STM32_PINMUX('A', 11, AF7)>; /* USART1_CTS_NSS */
+ bias-disable;
+ };
+ };
+
+ usart1_idle_pins_a: usart1-idle-0 {
+ pins1 {
+ pinmux = <STM32_PINMUX('A', 12, ANALOG)>, /* USART1_RTS */
+ <STM32_PINMUX('A', 11, AF7)>; /* USART1_CTS_NSS */
+ };
+ };
+
+ usart1_sleep_pins_a: usart1-sleep-0 {
+ pins {
+ pinmux = <STM32_PINMUX('A', 12, ANALOG)>, /* USART1_RTS */
+ <STM32_PINMUX('A', 11, ANALOG)>; /* USART1_CTS_NSS */
+ };
+ };
+
usart2_pins_a: usart2-0 {
pins1 {
pinmux = <STM32_PINMUX('F', 5, AF7)>, /* USART2_TX */
@@ -2612,4 +2639,34 @@ pins2 {
bias-disable;
};
};
+
+ usart1_idle_pins_b: usart1-idle-1 {
+ pins1 {
+ pinmux = <STM32_PINMUX('Z', 7, ANALOG)>; /* USART1_TX */
+ };
+ pins2 {
+ pinmux = <STM32_PINMUX('Z', 6, AF7)>; /* USART1_RX */
+ bias-disable;
+ };
+ };
+
+ usart1_sleep_pins_b: usart1-sleep-1 {
+ pins {
+ pinmux = <STM32_PINMUX('Z', 7, ANALOG)>, /* USART1_TX */
+ <STM32_PINMUX('Z', 6, ANALOG)>; /* USART1_RX */
+ };
+ };
+
+ usart1_pins_b: usart1-1 {
+ pins1 {
+ pinmux = <STM32_PINMUX('Z', 7, AF7)>; /* USART1_TX */
+ bias-disable;
+ drive-push-pull;
+ slew-rate = <0>;
+ };
+ pins2 {
+ pinmux = <STM32_PINMUX('Z', 6, AF7)>; /* USART1_RX */
+ bias-disable;
+ };
+ };
};
--
2.39.1
