| Message ID | 436506babe4ce468fda19380d9373470468e3752.1716974502.git.geert+renesas@glider.be |
|---|---|
| State | New |
| Headers | show |
| Series | Add R-Car fuse support | expand |
On Wed, 29 May 2024 11:29:31 +0200, Geert Uytterhoeven wrote: > 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@glider.be> > Reviewed-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.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 > Reviewed-by: Rob Herring (Arm) <robh@kernel.org>
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@glider.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@e61be000 { + compatible = "renesas,r8a779g0-otp"; + reg = <0xe61be000 0x1000>, <0xe61bf000 0x1000>; + };