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 a23a94aa67a16..0537aa78e82bd 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