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[8/9] ARM: dts: stm32: add alternate pinmux for HDP pin and add HDP pinctrl node

Message ID 20250225-hdp-upstream-v1-8-9d049c65330a@foss.st.com
State New
Headers show
Series Introduce HDP support for STM32MP platforms | expand

Commit Message

Clément Le Goffic Feb. 25, 2025, 8:48 a.m. UTC 
Introduce hdp node to output a user defined value on port hdp2.
Add pinctrl nodes to be able to output this signal on one SoC pin.

Signed-off-by: Clément Le Goffic <clement.legoffic@foss.st.com>
---
 arch/arm/boot/dts/st/stm32mp15-pinctrl.dtsi | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)
diff mbox series

Patch

diff --git a/arch/arm/boot/dts/st/stm32mp15-pinctrl.dtsi b/arch/arm/boot/dts/st/stm32mp15-pinctrl.dtsi
index 95fafc51a1c8..76ff0d6634b4 100644
--- a/arch/arm/boot/dts/st/stm32mp15-pinctrl.dtsi
+++ b/arch/arm/boot/dts/st/stm32mp15-pinctrl.dtsi
@@ -4,6 +4,15 @@ 
  * Author: Ludovic Barre <ludovic.barre@st.com> for STMicroelectronics.
  */
 #include <dt-bindings/pinctrl/stm32-pinfunc.h>
+#include <dt-bindings/pinctrl/stm32mp15-hdp.h>
+
+&hdp {
+	/omit-if-no-ref/
+	hdp2_gpo: hdp2-pins {
+		function = HDP2_GPOVAL_2;
+		pins = "hdp2";
+	};
+};
 
 &pinctrl {
 	/omit-if-no-ref/
@@ -687,6 +696,23 @@  pins {
 		};
 	};
 
+	/omit-if-no-ref/
+	hdp2_pins_a: hdp2-0 {
+		pins {
+			pinmux = <STM32_PINMUX('E', 13, AF0)>; /* HDP2 */
+			bias-disable;
+			drive-push-pull;
+			slew-rate = <2>;
+		};
+	};
+
+	/omit-if-no-ref/
+	hdp2_sleep_pins_a: hdp2-sleep-0 {
+		pins {
+			pinmux = <STM32_PINMUX('E', 13, ANALOG)>; /* HDP2 */
+		};
+	};
+
 	/omit-if-no-ref/
 	i2c1_pins_a: i2c1-0 {
 		pins {