1*2aea0d17SGeert Uytterhoeven# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) 2*2aea0d17SGeert Uytterhoeven%YAML 1.2 3*2aea0d17SGeert Uytterhoeven--- 4*2aea0d17SGeert Uytterhoeven$id: http://devicetree.org/schemas/nvmem/renesas,rcar-otp.yaml# 5*2aea0d17SGeert Uytterhoeven$schema: http://devicetree.org/meta-schemas/core.yaml# 6*2aea0d17SGeert Uytterhoeven 7*2aea0d17SGeert Uytterhoeventitle: R-Car E-FUSE connected to OTP_MEM 8*2aea0d17SGeert Uytterhoeven 9*2aea0d17SGeert Uytterhoevenmaintainers: 10*2aea0d17SGeert Uytterhoeven - Geert Uytterhoeven <geert+renesas@glider.be> 11*2aea0d17SGeert Uytterhoeven 12*2aea0d17SGeert Uytterhoevendescription: 13*2aea0d17SGeert Uytterhoeven The E-FUSE is a type of non-volatile memory, which is accessible through the 14*2aea0d17SGeert Uytterhoeven One-Time Programmable Memory (OTP_MEM) module on some R-Car Gen4 SoCs. 15*2aea0d17SGeert Uytterhoeven 16*2aea0d17SGeert UytterhoevenallOf: 17*2aea0d17SGeert Uytterhoeven - $ref: nvmem.yaml# 18*2aea0d17SGeert Uytterhoeven 19*2aea0d17SGeert Uytterhoevenproperties: 20*2aea0d17SGeert Uytterhoeven compatible: 21*2aea0d17SGeert Uytterhoeven enum: 22*2aea0d17SGeert Uytterhoeven - renesas,r8a779g0-otp # R-CarV4H 23*2aea0d17SGeert Uytterhoeven - renesas,r8a779h0-otp # R-CarV4M 24*2aea0d17SGeert Uytterhoeven 25*2aea0d17SGeert Uytterhoeven reg: 26*2aea0d17SGeert Uytterhoeven items: 27*2aea0d17SGeert Uytterhoeven - description: OTP_MEM_0 28*2aea0d17SGeert Uytterhoeven - description: OTP_MEM_1. 29*2aea0d17SGeert Uytterhoeven The addresses of cells defined under the optional nvmem-layout 30*2aea0d17SGeert Uytterhoeven subnode are relative to this register bank. 31*2aea0d17SGeert Uytterhoeven 32*2aea0d17SGeert Uytterhoevenrequired: 33*2aea0d17SGeert Uytterhoeven - compatible 34*2aea0d17SGeert Uytterhoeven - reg 35*2aea0d17SGeert Uytterhoeven 36*2aea0d17SGeert UytterhoevenunevaluatedProperties: false 37*2aea0d17SGeert Uytterhoeven 38*2aea0d17SGeert Uytterhoevenexamples: 39*2aea0d17SGeert Uytterhoeven - | 40*2aea0d17SGeert Uytterhoeven otp@e61be000 { 41*2aea0d17SGeert Uytterhoeven compatible = "renesas,r8a779g0-otp"; 42*2aea0d17SGeert Uytterhoeven reg = <0xe61be000 0x1000>, <0xe61bf000 0x1000>; 43*2aea0d17SGeert Uytterhoeven }; 44