[PATCH 17/20] ARM: dts: stm32: Add alternate pinmux for MP13 USART2 pins
Marek Vasut
marex at denx.de
Sun Apr 21 17:19:31 PDT 2024
Add another mux option for USART2 pins, this is used on
DH electronics STM32MP13xx DHCOR DHSBC board.
Signed-off-by: Marek Vasut <marex at denx.de>
---
Cc: "Leonard Göhrs" <l.goehrs at pengutronix.de>
Cc: Ahmad Fatoum <a.fatoum at pengutronix.de>
Cc: Alexandre Torgue <alexandre.torgue at foss.st.com>
Cc: Andre Przywara <andre.przywara at arm.com>
Cc: Conor Dooley <conor+dt at kernel.org>
Cc: Dario Binacchi <dario.binacchi at amarulasolutions.com>
Cc: Krzysztof Kozlowski <krzk+dt at kernel.org>
Cc: Linus Walleij <linus.walleij at linaro.org>
Cc: Maxime Coquelin <mcoquelin.stm32 at gmail.com>
Cc: Rob Herring <robh at kernel.org>
Cc: Sean Nyekjaer <sean at geanix.com>
Cc: Steffen Trumtrar <s.trumtrar at pengutronix.de>
Cc: devicetree at vger.kernel.org
Cc: kernel at dh-electronics.com
Cc: linux-arm-kernel at lists.infradead.org
Cc: linux-stm32 at st-md-mailman.stormreply.com
---
arch/arm/boot/dts/st/stm32mp13-pinctrl.dtsi | 41 +++++++++++++++++++++
1 file changed, 41 insertions(+)
diff --git a/arch/arm/boot/dts/st/stm32mp13-pinctrl.dtsi b/arch/arm/boot/dts/st/stm32mp13-pinctrl.dtsi
index dae015a0ddf86..65f91265a4d4a 100644
--- a/arch/arm/boot/dts/st/stm32mp13-pinctrl.dtsi
+++ b/arch/arm/boot/dts/st/stm32mp13-pinctrl.dtsi
@@ -758,4 +758,45 @@ pins {
<STM32_PINMUX('E', 11, ANALOG)>; /* USART2_CTS_NSS */
};
};
+
+ usart2_pins_b: usart2-0 {
+ pins1 {
+ pinmux = <STM32_PINMUX('F', 11, AF1)>, /* USART2_TX */
+ <STM32_PINMUX('A', 1, AF7)>; /* USART2_RTS */
+ bias-disable;
+ drive-push-pull;
+ slew-rate = <0>;
+ };
+ pins2 {
+ pinmux = <STM32_PINMUX('D', 15, AF1)>, /* USART2_RX */
+ <STM32_PINMUX('E', 15, AF3)>; /* USART2_CTS_NSS */
+ bias-disable;
+ };
+ };
+
+ usart2_idle_pins_b: usart2-idle-0 {
+ pins1 {
+ pinmux = <STM32_PINMUX('F', 11, ANALOG)>, /* USART2_TX */
+ <STM32_PINMUX('E', 15, ANALOG)>; /* USART2_CTS_NSS */
+ };
+ pins2 {
+ pinmux = <STM32_PINMUX('A', 1, AF7)>; /* USART2_RTS */
+ bias-disable;
+ drive-push-pull;
+ slew-rate = <0>;
+ };
+ pins3 {
+ pinmux = <STM32_PINMUX('D', 15, AF1)>; /* USART2_RX */
+ bias-disable;
+ };
+ };
+
+ usart2_sleep_pins_b: usart2-sleep-0 {
+ pins {
+ pinmux = <STM32_PINMUX('F', 11, ANALOG)>, /* USART2_TX */
+ <STM32_PINMUX('A', 1, ANALOG)>, /* USART2_RTS */
+ <STM32_PINMUX('D', 15, ANALOG)>, /* USART2_RX */
+ <STM32_PINMUX('E', 15, ANALOG)>; /* USART2_CTS_NSS */
+ };
+ };
};
--
2.43.0
More information about the linux-arm-kernel
mailing list