[PATCH v3 3/3] arm64: dts: s32g: Add device tree information for the OCOTP driver

Dan Carpenter dan.carpenter at linaro.org
Tue Sep 2 02:47:57 PDT 2025


Add the device tree information for the S32G On Chip One-Time
Programmable Controller (OCOTP) chip.

Signed-off-by: Dan Carpenter <dan.carpenter at linaro.org>
---
v3: Add the device tree entry in the correct location based on
    the 0x400a4000 address.
v2: change "ocotp: ocotp at 400a4000 {" to "ocotp: nvmem at 400a4000 {"
---
 arch/arm64/boot/dts/freescale/s32g2.dtsi | 7 +++++++
 arch/arm64/boot/dts/freescale/s32g3.dtsi | 7 +++++++
 2 files changed, 14 insertions(+)

diff --git a/arch/arm64/boot/dts/freescale/s32g2.dtsi b/arch/arm64/boot/dts/freescale/s32g2.dtsi
index 6a7cc7b33754..d6a9f61394d3 100644
--- a/arch/arm64/boot/dts/freescale/s32g2.dtsi
+++ b/arch/arm64/boot/dts/freescale/s32g2.dtsi
@@ -355,6 +355,13 @@ serdes_presence: serdes-presence at 100 {
 			};
 		};
 
+		ocotp: nvmem at 400a4000 {
+			compatible = "nxp,s32g2-ocotp";
+			reg = <0x400a4000 0x400>;
+			#address-cells = <1>;
+			#size-cells = <1>;
+		};
+
 		edma0: dma-controller at 40144000 {
 			compatible = "nxp,s32g2-edma";
 			reg = <0x40144000 0x24000>,
diff --git a/arch/arm64/boot/dts/freescale/s32g3.dtsi b/arch/arm64/boot/dts/freescale/s32g3.dtsi
index 61ee08f0cfdc..f0e2a2907431 100644
--- a/arch/arm64/boot/dts/freescale/s32g3.dtsi
+++ b/arch/arm64/boot/dts/freescale/s32g3.dtsi
@@ -408,6 +408,13 @@ serdes_presence: serdes-presence at 100 {
 			};
 		};
 
+		ocotp: nvmem at 400a4000 {
+			compatible = "nxp,s32g3-ocotp", "nxp,s32g2-ocotp";
+			reg = <0x400a4000 0x400>;
+			#address-cells = <1>;
+			#size-cells = <1>;
+		};
+
 		edma0: dma-controller at 40144000 {
 			compatible = "nxp,s32g3-edma", "nxp,s32g2-edma";
 			reg = <0x40144000 0x24000>,
-- 
2.47.2




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