[RFC PATCH 4/5] arm64: dts: imx93: Add node for OCOTP S400 NVMEM driver

From: Frieder Schrempf
Date: Wed Apr 16 2025 - 10:30:09 EST


From: Frieder Schrempf <frieder.schrempf@xxxxxxxxxx>

This adds a node for the OCOTP NVMEM driver that uses the
ELE S400 API to access the fuse registers.

Signed-off-by: Frieder Schrempf <frieder.schrempf@xxxxxxxxxx>
---
arch/arm64/boot/dts/freescale/imx93.dtsi | 5 +++++
1 file changed, 5 insertions(+)

diff --git a/arch/arm64/boot/dts/freescale/imx93.dtsi b/arch/arm64/boot/dts/freescale/imx93.dtsi
index 122519648d1b..12463cf6c214 100644
--- a/arch/arm64/boot/dts/freescale/imx93.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx93.dtsi
@@ -228,6 +228,11 @@ hsm0: secure-enclave {
mboxes = <&s4muap 0 0>, <&s4muap 1 0>;
};

+ ocotp-s400 {
+ compatible = "fsl,imx93-ocotp-s400";
+ secure-enclave = <&hsm0>;
+ };
+
mqs1: mqs1 {
compatible = "fsl,imx93-mqs";
gpr = <&aonmix_ns_gpr>;
--
2.49.0