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authorMarek Vasut <marex@denx.de>2022-06-26 03:21:03 +0300
committerAlexandre Torgue <alexandre.torgue@foss.st.com>2022-07-05 12:42:11 +0300
commitced0cb456b429a126b8992035b3069db5f77f09e (patch)
tree2568e19d6d50c4c378d07b1a99e20ad50186bcf4 /arch/arm/boot/dts/stm32mp15-pinctrl.dtsi
parent2ff9ec3a77f2d06165761e9606c4a5fccbe0feb2 (diff)
downloadlinux-ced0cb456b429a126b8992035b3069db5f77f09e.tar.xz
ARM: dts: stm32: Add alternate pinmux for UART4 pins
Add another mux option for UART4 pins, this is used on DRC Compact board. Signed-off-by: Marek Vasut <marex@denx.de> Cc: Alexandre Torgue <alexandre.torgue@foss.st.com> Cc: linux-stm32@st-md-mailman.stormreply.com To: linux-arm-kernel@lists.infradead.org Signed-off-by: Alexandre Torgue <alexandre.torgue@foss.st.com>
Diffstat (limited to 'arch/arm/boot/dts/stm32mp15-pinctrl.dtsi')
-rw-r--r--arch/arm/boot/dts/stm32mp15-pinctrl.dtsi30
1 files changed, 30 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/stm32mp15-pinctrl.dtsi b/arch/arm/boot/dts/stm32mp15-pinctrl.dtsi
index 95781bd8c309..adcb86831849 100644
--- a/arch/arm/boot/dts/stm32mp15-pinctrl.dtsi
+++ b/arch/arm/boot/dts/stm32mp15-pinctrl.dtsi
@@ -1919,6 +1919,36 @@
};
};
+ uart4_pins_d: uart4-3 {
+ pins1 {
+ pinmux = <STM32_PINMUX('A', 13, AF8)>; /* UART4_TX */
+ bias-disable;
+ drive-push-pull;
+ slew-rate = <0>;
+ };
+ pins2 {
+ pinmux = <STM32_PINMUX('B', 2, AF8)>; /* UART4_RX */
+ bias-disable;
+ };
+ };
+
+ uart4_idle_pins_d: uart4-idle-3 {
+ pins1 {
+ pinmux = <STM32_PINMUX('A', 13, ANALOG)>; /* UART4_TX */
+ };
+ pins2 {
+ pinmux = <STM32_PINMUX('B', 2, AF8)>; /* UART4_RX */
+ bias-disable;
+ };
+ };
+
+ uart4_sleep_pins_d: uart4-sleep-3 {
+ pins {
+ pinmux = <STM32_PINMUX('A', 13, ANALOG)>, /* UART4_TX */
+ <STM32_PINMUX('B', 2, ANALOG)>; /* UART4_RX */
+ };
+ };
+
uart7_pins_a: uart7-0 {
pins1 {
pinmux = <STM32_PINMUX('E', 8, AF7)>; /* UART7_TX */