2021-07-01 22:59:20

by Emmanuel Gil Peyrot

Subject: [PATCH v3 2/5] dt-bindings: nintendo-otp: Document the Wii and Wii U OTP support

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 <[email protected]>
---
.../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 <[email protected]>
+
+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

2021-07-15 00:22:16

by Rob Herring (Arm)

Subject: Re: [PATCH v3 2/5] dt-bindings: nintendo-otp: Document the Wii and Wii U OTP support

On Fri, Jul 02, 2021 at 12:57:40AM +0200, Emmanuel Gil Peyrot wrote:
> 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 <[email protected]>
> ---
> .../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

GPL-2.0-only OR BSD-2-Clause

> +%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 <[email protected]>
> +
> +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
>
>