1*5f62a964SEmmanuel Vadot# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) 2*5f62a964SEmmanuel Vadot%YAML 1.2 3*5f62a964SEmmanuel Vadot--- 4*5f62a964SEmmanuel Vadot$id: http://devicetree.org/schemas/nvmem/renesas,rcar-otp.yaml# 5*5f62a964SEmmanuel Vadot$schema: http://devicetree.org/meta-schemas/core.yaml# 6*5f62a964SEmmanuel Vadot 7*5f62a964SEmmanuel Vadottitle: R-Car E-FUSE connected to OTP_MEM 8*5f62a964SEmmanuel Vadot 9*5f62a964SEmmanuel Vadotmaintainers: 10*5f62a964SEmmanuel Vadot - Geert Uytterhoeven <geert+renesas@glider.be> 11*5f62a964SEmmanuel Vadot 12*5f62a964SEmmanuel Vadotdescription: 13*5f62a964SEmmanuel Vadot The E-FUSE is a type of non-volatile memory, which is accessible through the 14*5f62a964SEmmanuel Vadot One-Time Programmable Memory (OTP_MEM) module on some R-Car Gen4 SoCs. 15*5f62a964SEmmanuel Vadot 16*5f62a964SEmmanuel VadotallOf: 17*5f62a964SEmmanuel Vadot - $ref: nvmem.yaml# 18*5f62a964SEmmanuel Vadot 19*5f62a964SEmmanuel Vadotproperties: 20*5f62a964SEmmanuel Vadot compatible: 21*5f62a964SEmmanuel Vadot enum: 22*5f62a964SEmmanuel Vadot - renesas,r8a779g0-otp # R-CarV4H 23*5f62a964SEmmanuel Vadot - renesas,r8a779h0-otp # R-CarV4M 24*5f62a964SEmmanuel Vadot 25*5f62a964SEmmanuel Vadot reg: 26*5f62a964SEmmanuel Vadot items: 27*5f62a964SEmmanuel Vadot - description: OTP_MEM_0 28*5f62a964SEmmanuel Vadot - description: OTP_MEM_1. 29*5f62a964SEmmanuel Vadot The addresses of cells defined under the optional nvmem-layout 30*5f62a964SEmmanuel Vadot subnode are relative to this register bank. 31*5f62a964SEmmanuel Vadot 32*5f62a964SEmmanuel Vadotrequired: 33*5f62a964SEmmanuel Vadot - compatible 34*5f62a964SEmmanuel Vadot - reg 35*5f62a964SEmmanuel Vadot 36*5f62a964SEmmanuel VadotunevaluatedProperties: false 37*5f62a964SEmmanuel Vadot 38*5f62a964SEmmanuel Vadotexamples: 39*5f62a964SEmmanuel Vadot - | 40*5f62a964SEmmanuel Vadot otp@e61be000 { 41*5f62a964SEmmanuel Vadot compatible = "renesas,r8a779g0-otp"; 42*5f62a964SEmmanuel Vadot reg = <0xe61be000 0x1000>, <0xe61bf000 0x1000>; 43*5f62a964SEmmanuel Vadot }; 44