linux-kernel - [PATCH 02/12] arm64: dts: imx8qxp: add readonly for ocotp

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Message-Id: <20251029-8qxp_dts-v1-2-cf61b7e5fc78@nxp.com>
Date: Wed, 29 Oct 2025 15:54:38 -0400
From: Frank Li <Frank.Li@....com>
To: 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, 
 Frank Li <Frank.Li@....com>
Subject: [PATCH 02/12] arm64: dts: imx8qxp: add readonly for ocotp

Add readonly for ocotp because i.MX8QXP only support program fuse by scu.

Signed-off-by: Frank Li <Frank.Li@....com>
---
 arch/arm64/boot/dts/freescale/imx8qxp.dtsi | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm64/boot/dts/freescale/imx8qxp.dtsi b/arch/arm64/boot/dts/freescale/imx8qxp.dtsi
index def6de8d579d40919e4bf7f88e119611ae4cb69a..cc82cc319159c2558400fa641570cddd3ad3083d 100644
--- a/arch/arm64/boot/dts/freescale/imx8qxp.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8qxp.dtsi
@@ -234,6 +234,7 @@ ocotp: ocotp {
 			compatible = "fsl,imx8qxp-scu-ocotp";
 			#address-cells = <1>;
 			#size-cells = <1>;
+			read-only;
 
 			fec_mac0: mac@2c4 {
 				reg = <0x2c4 6>;

-- 
2.34.1