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[9/9] ARM: dts: stm32: add Hardware debug port (HDP) on stm32mp157c-dk2 board

Message ID 20250225-hdp-upstream-v1-9-9d049c65330a@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 
On the stm32mp157fc-dk2 board, we can observe the hdp GPOVAL function on
SoC pin E13 accessible on the pin 5 on the Arduino connector CN13.
Add the relevant configuration but keep it disabled as it's used for
debug only.

Signed-off-by: Clément Le Goffic <clement.legoffic@foss.st.com>
---
 arch/arm/boot/dts/st/stm32mp157c-dk2.dts | 6 ++++++
 1 file changed, 6 insertions(+)
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Patch

diff --git a/arch/arm/boot/dts/st/stm32mp157c-dk2.dts b/arch/arm/boot/dts/st/stm32mp157c-dk2.dts
index 5f9c0160a9c4..b183b51f8f50 100644
--- a/arch/arm/boot/dts/st/stm32mp157c-dk2.dts
+++ b/arch/arm/boot/dts/st/stm32mp157c-dk2.dts
@@ -63,6 +63,12 @@  &dsi_out {
 	remote-endpoint = <&panel_in>;
 };
 
+&hdp {
+	pinctrl-names = "default", "sleep";
+	pinctrl-0 = <&hdp2_gpo &hdp2_pins_a>;
+	pinctrl-1 = <&hdp2_sleep_pins_a>;
+};
+
 &i2c1 {
 	touchscreen@38 {
 		compatible = "focaltech,ft6236";