[PATCH v7 6/6] ARM: dts: imx53: add imx53-qsrb PMIC power button

Alexander Kurz akurz at blala.de
Fri Oct 31 12:57:18 PDT 2025


As described in the board hardware user guide IMX53RQSBRM-R.pdf, the
mc34708 pin PWRON1 is connected to a button "SW6"/"POWER", connecting
this line to GND.
Add support for the imx53-qsrb "POWER" button.

Signed-off-by: Alexander Kurz <akurz at blala.de>
---
 arch/arm/boot/dts/nxp/imx/imx53-qsrb.dts | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/arch/arm/boot/dts/nxp/imx/imx53-qsrb.dts b/arch/arm/boot/dts/nxp/imx/imx53-qsrb.dts
index 2f06ad61a766..977dff72b9e2 100644
--- a/arch/arm/boot/dts/nxp/imx/imx53-qsrb.dts
+++ b/arch/arm/boot/dts/nxp/imx/imx53-qsrb.dts
@@ -139,6 +139,19 @@ vgen2_reg: vgen2 {
 				regulator-always-on;
 			};
 		};
+
+		buttons {
+			#address-cells = <1>;
+			#size-cells = <0>;
+
+			onkey at 0 {
+				reg = <0>;
+				linux,code = <KEY_POWER>;
+				debounce-delay-ms = <30>;
+				active-low;
+				fsl,enable-reset;
+			};
+		};
 	};
 };
 
-- 
2.39.5




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