[PATCH v4 3/4] arm64: dts: imx8mn: Add SNVS LPGPR

Marek Vasut marex at nabladev.com
Tue Dec 30 13:32:33 PST 2025


Add SNVS LPGPR bindings to MX8M Nano, the LPGPR is used to store
boot counter.

Signed-off-by: Marek Vasut <marex at nabladev.com>
---
Cc: Christian Eggers <ceggers at arri.de>
Cc: Conor Dooley <conor+dt at kernel.org>
Cc: Fabio Estevam <festevam at gmail.com>
Cc: Greg Kroah-Hartman <gregkh at linuxfoundation.org>
Cc: Krzysztof Kozlowski <krzk+dt at kernel.org>
Cc: Markus Heidelberg <m.heidelberg at cab.de>
Cc: Rob Herring <robh at kernel.org>
Cc: Shawn Guo <shawnguo at kernel.org>
Cc: devicetree at vger.kernel.org
Cc: imx at lists.linux.dev
Cc: linux-arm-kernel at lists.infradead.org
Cc: linux-kernel at vger.kernel.org
---
V2: New patch
V3: No change
V4: No change
---
 arch/arm64/boot/dts/freescale/imx8mn.dtsi | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/arch/arm64/boot/dts/freescale/imx8mn.dtsi b/arch/arm64/boot/dts/freescale/imx8mn.dtsi
index b98b3d0ddf25a..3199bc0966b03 100644
--- a/arch/arm64/boot/dts/freescale/imx8mn.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mn.dtsi
@@ -628,6 +628,11 @@ snvs_pwrkey: snvs-powerkey {
 					wakeup-source;
 					status = "disabled";
 				};
+
+				snvs_lpgpr: snvs-lpgpr {
+					compatible = "fsl,imx8mn-snvs-lpgpr",
+						     "fsl,imx7d-snvs-lpgpr";
+				};
 			};
 
 			clk: clock-controller at 30380000 {
-- 
2.51.0




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