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

[Clément Le Goffic <clement.legoffic@xxxxxxxxxxx>]

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@xxxxxxxxxxx>
---
 arch/arm/boot/dts/st/stm32mp15-pinctrl.dtsi | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)

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@xxxxxx> 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 {

-- 
2.43.0