linux-kernel - Re: [PATCH v2 2/4] dt-bindings: nintendo-otp: Document the Wii and Wii U OTP support

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Message-ID: <YNebuj3J51FbWC1n@latitude>
Date:   Sat, 26 Jun 2021 21:27:22 +0000
From:   Jonathan Neuschäfer <j.ne@...teo.net>
To:     Emmanuel Gil Peyrot <linkmauve@...kmauve.fr>
Cc:     Srinivas Kandagatla <srinivas.kandagatla@...aro.org>,
        linuxppc-dev@...ts.ozlabs.org, devicetree@...r.kernel.org,
        Ash Logan <ash@...quark.com>,
        Jonathan Neuschäfer <j.ne@...teo.net>,
        Rob Herring <robh+dt@...nel.org>,
        Michael Ellerman <mpe@...erman.id.au>,
        Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Paul Mackerras <paulus@...ba.org>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 2/4] dt-bindings: nintendo-otp: Document the Wii and
 Wii U OTP support

Hello and sorry for the delay,

On Wed, May 19, 2021 at 11:50:42AM +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 <linkmauve@...kmauve.fr>

A link to the (third-party) documentation for the OTP device would be nice.


Best regards,
Jonathan Neuschäfer

> ---
>  .../devicetree/bindings/nvmem/nintendo-otp.txt     | 14 ++++++++++++++
>  1 file changed, 14 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/nvmem/nintendo-otp.txt
> 
> diff --git a/Documentation/devicetree/bindings/nvmem/nintendo-otp.txt b/Documentation/devicetree/bindings/nvmem/nintendo-otp.txt
> new file mode 100644
> index 000000000000..b26d705ec52d
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/nvmem/nintendo-otp.txt
> @@ -0,0 +1,14 @@
> +Nintendo Wii and Wii U OTP
> +
> +Required Properties:
> +- compatible: depending on the console this should be one of:
> +	- "nintendo,hollywood-otp" for the Wii
> +	- "nintendo,latte-otp" for the Wii U
> +- reg: base address and size of the OTP registers
> +
> +
> +Example:
> +	otp@...01ec {
> +		compatible = "nintendo,latte-otp";
> +		reg = <0x0d8001ec 0x8>;
> +	};
> -- 
> 2.31.1
> 

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