ARM: dts: stm32: Add pinmux for USART1 pins on stm32mp15

Add a mux option for the USART1 pins.

This is used on the Phycore STM32MP1.

Signed-off-by: Steffen Trumtrar <s.trumtrar@pengutronix.de>
Signed-off-by: Alexandre Torgue <alexandre.torgue@foss.st.com>

diff --git a/arch/arm/boot/dts/stm32mp15-pinctrl.dtsi b/arch/arm/boot/dts/stm32mp15-pinctrl.dtsi
index a1a994c..527c76c 100644 (file)
--- a/arch/arm/boot/dts/stm32mp15-pinctrl.dtsi
+++ b/arch/arm/boot/dts/stm32mp15-pinctrl.dtsi
@@ -2273,6 +2273,33 @@
                };
        };
 
+       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 @@
                        bias-disable;
                };
        };
+
+       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;
+               };
+       };
+
+       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 */
+               };
+       };
 };