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Message-Id: <436506babe4ce468fda19380d9373470468e3752.1716974502.git.geert+renesas@glider.be>
Date: Wed, 29 May 2024 11:29:31 +0200
From: Geert Uytterhoeven <geert+renesas@...der.be>
To: Rob Herring <robh@...nel.org>,
Krzysztof Kozlowski <krzk+dt@...nel.org>,
Conor Dooley <conor+dt@...nel.org>,
Magnus Damm <magnus.damm@...il.com>,
Linus Walleij <linus.walleij@...aro.org>,
Yoshihiro Shimoda <yoshihiro.shimoda.uh@...esas.com>
Cc: devicetree@...r.kernel.org,
linux-renesas-soc@...r.kernel.org,
linux-gpio@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org,
linux-kernel@...r.kernel.org,
Geert Uytterhoeven <geert+renesas@...der.be>
Subject: [PATCH v2 2/8] dt-bindings: fuse: Document R-Car E-FUSE / OTP_MEM
Document support for E-FUSE non-volatile memory accessible through
OTP_MEM on R-Car V4H and V4M.
Signed-off-by: Geert Uytterhoeven <geert+renesas@...der.be>
Reviewed-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@...esas.com>
---
v2:
- Add Reviewed-by.
---
.../bindings/fuse/renesas,rcar-otp.yaml | 38 +++++++++++++++++++
1 file changed, 38 insertions(+)
create mode 100644 Documentation/devicetree/bindings/fuse/renesas,rcar-otp.yaml
diff --git a/Documentation/devicetree/bindings/fuse/renesas,rcar-otp.yaml b/Documentation/devicetree/bindings/fuse/renesas,rcar-otp.yaml
new file mode 100644
index 0000000000000000..d74872ae9ff378f9
--- /dev/null
+++ b/Documentation/devicetree/bindings/fuse/renesas,rcar-otp.yaml
@@ -0,0 +1,38 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/fuse/renesas,rcar-otp.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: R-Car E-FUSE connected to OTP_MEM
+
+maintainers:
+ - Geert Uytterhoeven <geert+renesas@...der.be>
+
+description:
+ The E-FUSE is a type of non-volatile memory, which is accessible through the
+ One-Time Programmable Memory (OTP_MEM) module on some R-Car Gen4 SoCs.
+
+properties:
+ compatible:
+ enum:
+ - renesas,r8a779g0-otp # R-CarV4H
+ - renesas,r8a779h0-otp # R-CarV4M
+
+ reg:
+ items:
+ - description: OTP_MEM_0
+ - description: OTP_MEM_1
+
+required:
+ - compatible
+ - reg
+
+additionalProperties: false
+
+examples:
+ - |
+ otp: otp@...be000 {
+ compatible = "renesas,r8a779g0-otp";
+ reg = <0xe61be000 0x1000>, <0xe61bf000 0x1000>;
+ };
--
2.34.1
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