1*2f6b62e8SGeert Uytterhoeven# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) 2*2f6b62e8SGeert Uytterhoeven%YAML 1.2 3*2f6b62e8SGeert Uytterhoeven--- 4*2f6b62e8SGeert Uytterhoeven$id: http://devicetree.org/schemas/fuse/renesas,rcar-efuse.yaml# 5*2f6b62e8SGeert Uytterhoeven$schema: http://devicetree.org/meta-schemas/core.yaml# 6*2f6b62e8SGeert Uytterhoeven 7*2f6b62e8SGeert Uytterhoeventitle: R-Car E-FUSE connected to PFC 8*2f6b62e8SGeert Uytterhoeven 9*2f6b62e8SGeert Uytterhoevenmaintainers: 10*2f6b62e8SGeert Uytterhoeven - Geert Uytterhoeven <geert+renesas@glider.be> 11*2f6b62e8SGeert Uytterhoeven 12*2f6b62e8SGeert Uytterhoevendescription: 13*2f6b62e8SGeert Uytterhoeven The E-FUSE is a type of non-volatile memory, which is accessible through the 14*2f6b62e8SGeert Uytterhoeven Pin Function Controller (PFC) on some R-Car Gen4 SoCs. 15*2f6b62e8SGeert Uytterhoeven 16*2f6b62e8SGeert Uytterhoevenproperties: 17*2f6b62e8SGeert Uytterhoeven compatible: 18*2f6b62e8SGeert Uytterhoeven enum: 19*2f6b62e8SGeert Uytterhoeven - renesas,r8a779a0-efuse # R-Car V3U 20*2f6b62e8SGeert Uytterhoeven - renesas,r8a779f0-efuse # R-Car S4-8 21*2f6b62e8SGeert Uytterhoeven 22*2f6b62e8SGeert Uytterhoeven reg: 23*2f6b62e8SGeert Uytterhoeven maxItems: 1 24*2f6b62e8SGeert Uytterhoeven description: PFC System Group Fuse Control and Monitor register block 25*2f6b62e8SGeert Uytterhoeven 26*2f6b62e8SGeert Uytterhoeven clocks: 27*2f6b62e8SGeert Uytterhoeven maxItems: 1 28*2f6b62e8SGeert Uytterhoeven 29*2f6b62e8SGeert Uytterhoeven power-domains: 30*2f6b62e8SGeert Uytterhoeven maxItems: 1 31*2f6b62e8SGeert Uytterhoeven 32*2f6b62e8SGeert Uytterhoeven resets: 33*2f6b62e8SGeert Uytterhoeven maxItems: 1 34*2f6b62e8SGeert Uytterhoeven 35*2f6b62e8SGeert Uytterhoevenrequired: 36*2f6b62e8SGeert Uytterhoeven - compatible 37*2f6b62e8SGeert Uytterhoeven - reg 38*2f6b62e8SGeert Uytterhoeven - clocks 39*2f6b62e8SGeert Uytterhoeven - power-domains 40*2f6b62e8SGeert Uytterhoeven - resets 41*2f6b62e8SGeert Uytterhoeven 42*2f6b62e8SGeert UytterhoevenadditionalProperties: false 43*2f6b62e8SGeert Uytterhoeven 44*2f6b62e8SGeert Uytterhoevenexamples: 45*2f6b62e8SGeert Uytterhoeven - | 46*2f6b62e8SGeert Uytterhoeven #include <dt-bindings/clock/r8a779a0-cpg-mssr.h> 47*2f6b62e8SGeert Uytterhoeven #include <dt-bindings/power/r8a779a0-sysc.h> 48*2f6b62e8SGeert Uytterhoeven 49*2f6b62e8SGeert Uytterhoeven fuse: fuse@e6078800 { 50*2f6b62e8SGeert Uytterhoeven compatible = "renesas,r8a779a0-efuse"; 51*2f6b62e8SGeert Uytterhoeven reg = <0xe6078800 0x100>; 52*2f6b62e8SGeert Uytterhoeven clocks = <&cpg CPG_MOD 916>; 53*2f6b62e8SGeert Uytterhoeven power-domains = <&sysc R8A779A0_PD_ALWAYS_ON>; 54*2f6b62e8SGeert Uytterhoeven resets = <&cpg 916>; 55*2f6b62e8SGeert Uytterhoeven }; 56