diff mbox series

[v3,5/7] ARM: dts: stm32: Add alternate pinmux for UART4 pins

Message ID 20220626002105.198854-5-marex@denx.de (mailing list archive)
State New, archived
Headers show
Series [v3,1/7] dt-bindings: arm: stm32: Add compatible string for DH electronics DHCOR DRC Compact | expand

Commit Message

Marek Vasut June 26, 2022, 12:21 a.m. UTC 
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
---
V2: No change
V3: No change
---
 arch/arm/boot/dts/stm32mp15-pinctrl.dtsi | 30 ++++++++++++++++++++++++
 1 file changed, 30 insertions(+)
diff mbox series

Patch

diff --git a/arch/arm/boot/dts/stm32mp15-pinctrl.dtsi b/arch/arm/boot/dts/stm32mp15-pinctrl.dtsi
index ebc3ddcf88867..77b0ecc9d7fd3 100644
--- a/arch/arm/boot/dts/stm32mp15-pinctrl.dtsi
+++ b/arch/arm/boot/dts/stm32mp15-pinctrl.dtsi
@@ -1971,6 +1971,36 @@  pins2 {
 		};
 	};
 
+	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 */