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authorCiprian Costea <ciprianmarian.costea@nxp.com>2025-09-12 14:14:11 +0100
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2025-09-12 15:49:03 +0200
commit9b58f88a1f48b75e98ebb03490340c48b54cb804 (patch)
treeba473f34fd9ca12e552f681219cad44ca461c9ee
parent698de37f78c7c0100f5506df36871c64588636e9 (diff)
dt-bindings: nvmem: Add the nxp,s32g-ocotp yaml file
Add bindings to expose the On Chip One-Time Programmable Controller (OCOTP) for the NXP s32g chipset. There are three versions of this chip but they're compatible so we can fall back to the nxp,s32g2-ocotp compatible. Signed-off-by: Ciprian Costea <ciprianmarian.costea@nxp.com> Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org> Reviewed-by: Rob Herring (Arm) <robh@kernel.org> Signed-off-by: Srinivas Kandagatla <srini@kernel.org> Link: https://lore.kernel.org/r/20250912131415.303407-2-srini@kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r--Documentation/devicetree/bindings/nvmem/nxp,s32g-ocotp-nvmem.yaml45
1 files changed, 45 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/nvmem/nxp,s32g-ocotp-nvmem.yaml b/Documentation/devicetree/bindings/nvmem/nxp,s32g-ocotp-nvmem.yaml
new file mode 100644
index 000000000000..8d46e7d28da6
--- /dev/null
+++ b/Documentation/devicetree/bindings/nvmem/nxp,s32g-ocotp-nvmem.yaml
@@ -0,0 +1,45 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/nvmem/nxp,s32g-ocotp-nvmem.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: NXP S32G OCOTP NVMEM driver
+
+maintainers:
+ - Ciprian Costea <ciprianmarian.costea@nxp.com>
+
+description:
+ The drivers provides an interface to access One Time
+ Programmable memory pages, such as TMU fuse values.
+
+properties:
+ compatible:
+ oneOf:
+ - enum:
+ - nxp,s32g2-ocotp
+ - items:
+ - enum:
+ - nxp,s32g3-ocotp
+ - nxp,s32r45-ocotp
+ - const: nxp,s32g2-ocotp
+ reg:
+ maxItems: 1
+
+required:
+ - compatible
+ - reg
+
+unevaluatedProperties: false
+
+allOf:
+ - $ref: nvmem.yaml#
+
+examples:
+ - |
+ nvmem@400a4000 {
+ compatible = "nxp,s32g2-ocotp";
+ reg = <0x400a4000 0x400>;
+ #address-cells = <1>;
+ #size-cells = <1>;
+ };