linux-kernel - [PATCH v1 3/3] arm64: dts: imx94: Add OCOTP node

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Message-Id: <20250924-imx943-v1-3-0d32d7852ecb@oss.nxp.com>
Date: Wed, 24 Sep 2025 18:06:25 +0800
From: "Alice Guo (OSS)" <alice.guo@....nxp.com>
To: Srinivas Kandagatla <srini@...nel.org>, Rob Herring <robh@...nel.org>, 
 Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, Shawn Guo <shawnguo@...nel.org>, 
 Sascha Hauer <s.hauer@...gutronix.de>, 
 Pengutronix Kernel Team <kernel@...gutronix.de>, 
 Fabio Estevam <festevam@...il.com>
Cc: devicetree@...r.kernel.org, imx@...ts.linux.dev, 
 linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org, 
 Alice Guo <alice.guo@....com>
Subject: [PATCH v1 3/3] arm64: dts: imx94: Add OCOTP node

From: Alice Guo <alice.guo@....com>

Add the OCOTP controller node to the i.MX94 device tree. This enables
support for accessing eFuse regions on i.MX94 SoCs via the imx-ocotp
driver.

Signed-off-by: Alice Guo <alice.guo@....com>
---
 arch/arm64/boot/dts/freescale/imx94.dtsi | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/arch/arm64/boot/dts/freescale/imx94.dtsi b/arch/arm64/boot/dts/freescale/imx94.dtsi
index 44dee2cbd42d..1f1148405193 100644
--- a/arch/arm64/boot/dts/freescale/imx94.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx94.dtsi
@@ -1171,6 +1171,13 @@ a55_irqsteer: interrupt-controller@...a0000 {
 			};
 		};
 
+		ocotp: efuse@...10000 {
+			compatible = "fsl,imx94-ocotp";
+			reg = <0x0 0x47510000 0x0 0x10000>;
+			#address-cells = <1>;
+			#size-cells = <1>;
+		};
+
 		aips4: bus@...00000 {
 			compatible = "fsl,aips-bus", "simple-bus";
 			reg = <0x0 0x49000000 0x0 0x800000>;

-- 
2.43.0