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From:   Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
To:     Srinivas Kandagatla <srinivas.kandagatla@linaro.org>,
        linuxppc-dev@lists.ozlabs.org, devicetree@vger.kernel.org
Cc:     Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>,
        Ash Logan <ash@heyquark.com>,
        =?UTF-8?q?Jonathan=20Neusch=C3=A4fer?= <j.ne@posteo.net>,
        Rob Herring <robh+dt@kernel.org>,
        Michael Ellerman <mpe@ellerman.id.au>,
        Benjamin Herrenschmidt <benh@kernel.crashing.org>,
        Paul Mackerras <paulus@samba.org>, linux-kernel@vger.kernel.org
Subject: [PATCH v2 2/4] dt-bindings: nintendo-otp: Document the Wii and Wii U OTP support
Date:   Wed, 19 May 2021 11:50:42 +0200
Message-Id: <20210519095044.4109-3-linkmauve@linkmauve.fr>
In-Reply-To: <20210519095044.4109-1-linkmauve@linkmauve.fr>
References: <20210519095044.4109-1-linkmauve@linkmauve.fr>
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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>
---
 .../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@d8001ec {
+		compatible = "nintendo,latte-otp";
+		reg = <0x0d8001ec 0x8>;
+	};
-- 
2.31.1