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Subject[PATCH v3 2/5] dt-bindings: nintendo-otp: Document the Wii and Wii U OTP support
Date
Both of these consoles use the exact same two registers, even at the
same address, but the Wii U has eight banks of 128 bytes memory while
the Wii only has one, hence the two compatible strings.

Signed-off-by: Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
---
.../bindings/nvmem/nintendo-otp.yaml | 44 +++++++++++++++++++
1 file changed, 44 insertions(+)
create mode 100644 Documentation/devicetree/bindings/nvmem/nintendo-otp.yaml

diff --git a/Documentation/devicetree/bindings/nvmem/nintendo-otp.yaml b/Documentation/devicetree/bindings/nvmem/nintendo-otp.yaml
new file mode 100644
index 000000000000..c39bd64b03b9
--- /dev/null
+++ b/Documentation/devicetree/bindings/nvmem/nintendo-otp.yaml
@@ -0,0 +1,44 @@
+# SPDX-License-Identifier: GPL-2.0
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/nvmem/nintendo-otp.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Nintendo Wii and Wii U OTP Device Tree Bindings
+
+description: |
+ This binding represents the OTP memory as found on a Nintendo Wii or Wii U,
+ which contains common and per-console keys, signatures and related data
+ required to access peripherals.
+
+ See https://wiiubrew.org/wiki/Hardware/OTP
+
+maintainers:
+ - Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
+
+allOf:
+ - $ref: "nvmem.yaml#"
+
+properties:
+ compatible:
+ enum:
+ - nintendo,hollywood-otp
+ - nintendo,latte-otp
+
+ reg:
+ maxItems: 1
+
+required:
+ - compatible
+ - reg
+
+unevaluatedProperties: false
+
+examples:
+ - |
+ otp@d8001ec {
+ compatible = "nintendo,latte-otp";
+ reg = <0x0d8001ec 0x8>;
+ };
+
+...
--
2.32.0
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