[PATCH v2 07/11] arm: dts: stm32: enable the debug bus on stm32mp1x boards

Gatien Chevallier gatien.chevallier at foss.st.com
Wed Jan 14 02:29:21 PST 2026


On stm32mp1x boards, enable the debug bus so we always try to probe
the debug peripherals, if their status and the debug configuration
allow it.

Signed-off-by: Gatien Chevallier <gatien.chevallier at foss.st.com>
---
 arch/arm/boot/dts/st/stm32mp135f-dk.dts   | 4 ++++
 arch/arm/boot/dts/st/stm32mp157c-ev1.dts  | 4 ++++
 arch/arm/boot/dts/st/stm32mp15xx-dkx.dtsi | 4 ++++
 3 files changed, 12 insertions(+)

diff --git a/arch/arm/boot/dts/st/stm32mp135f-dk.dts b/arch/arm/boot/dts/st/stm32mp135f-dk.dts
index f894ee35b3db..ebc719797271 100644
--- a/arch/arm/boot/dts/st/stm32mp135f-dk.dts
+++ b/arch/arm/boot/dts/st/stm32mp135f-dk.dts
@@ -174,6 +174,10 @@ &cryp {
 	status = "okay";
 };
 
+&dbg_bus {
+	status = "okay";
+};
+
 &dcmipp {
 	pinctrl-names = "default", "sleep";
 	pinctrl-0 = <&dcmipp_pins_a>;
diff --git a/arch/arm/boot/dts/st/stm32mp157c-ev1.dts b/arch/arm/boot/dts/st/stm32mp157c-ev1.dts
index 8f99c30f1af1..e69c8e282c8b 100644
--- a/arch/arm/boot/dts/st/stm32mp157c-ev1.dts
+++ b/arch/arm/boot/dts/st/stm32mp157c-ev1.dts
@@ -81,6 +81,10 @@ &cec {
 	status = "okay";
 };
 
+&dbg_bus {
+	status = "okay";
+};
+
 &dcmi {
 	status = "okay";
 	pinctrl-names = "default", "sleep";
diff --git a/arch/arm/boot/dts/st/stm32mp15xx-dkx.dtsi b/arch/arm/boot/dts/st/stm32mp15xx-dkx.dtsi
index 8cea6facd27b..fe2ab07ea4a8 100644
--- a/arch/arm/boot/dts/st/stm32mp15xx-dkx.dtsi
+++ b/arch/arm/boot/dts/st/stm32mp15xx-dkx.dtsi
@@ -140,6 +140,10 @@ &crc1 {
 	status = "okay";
 };
 
+&dbg_bus {
+	status = "okay";
+};
+
 &dts {
 	status = "okay";
 };

-- 
2.43.0




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