From: Ciprian Costea <ciprianmarian.costea@nxp.com>
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>
---
.../bindings/nvmem/nxp,s32g-ocotp-nvmem.yaml | 45 +++++++++++++++++++
1 file changed, 45 insertions(+)
create mode 100644 Documentation/devicetree/bindings/nvmem/nxp,s32g-ocotp-nvmem.yaml
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>;
+ };
--
2.50.0