205 lines · yaml
1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)2%YAML 1.23---4$id: http://devicetree.org/schemas/watchdog/renesas,wdt.yaml#5$schema: http://devicetree.org/meta-schemas/core.yaml#6 7title: Renesas Watchdog Timer (WDT) Controller8 9maintainers:10 - Wolfram Sang <wsa+renesas@sang-engineering.com>11 - Geert Uytterhoeven <geert+renesas@glider.be>12 13properties:14 compatible:15 oneOf:16 - items:17 - enum:18 - renesas,r7s72100-wdt # RZ/A119 - renesas,r7s9210-wdt # RZ/A220 - const: renesas,rza-wdt # RZ/A21 22 - items:23 - enum:24 - renesas,r9a06g032-wdt # RZ/N1D25 - const: renesas,rzn1-wdt # RZ/N126 27 - items:28 - enum:29 - renesas,r9a07g043-wdt # RZ/G2UL and RZ/Five30 - renesas,r9a07g044-wdt # RZ/G2{L,LC}31 - renesas,r9a07g054-wdt # RZ/V2L32 - renesas,r9a08g045-wdt # RZ/G3S33 - const: renesas,rzg2l-wdt34 35 - items:36 - enum:37 - renesas,r9a09g011-wdt # RZ/V2M38 - const: renesas,rzv2m-wdt # RZ/V2M39 40 - items:41 - enum:42 - renesas,r8a7742-wdt # RZ/G1H43 - renesas,r8a7743-wdt # RZ/G1M44 - renesas,r8a7744-wdt # RZ/G1N45 - renesas,r8a7745-wdt # RZ/G1E46 - renesas,r8a77470-wdt # RZ/G1C47 - renesas,r8a7790-wdt # R-Car H248 - renesas,r8a7791-wdt # R-Car M2-W49 - renesas,r8a7792-wdt # R-Car V2H50 - renesas,r8a7793-wdt # R-Car M2-N51 - renesas,r8a7794-wdt # R-Car E252 - const: renesas,rcar-gen2-wdt # R-Car Gen2 and RZ/G153 54 - items:55 - enum:56 - renesas,r8a774a1-wdt # RZ/G2M57 - renesas,r8a774b1-wdt # RZ/G2N58 - renesas,r8a774c0-wdt # RZ/G2E59 - renesas,r8a774e1-wdt # RZ/G2H60 - renesas,r8a7795-wdt # R-Car H361 - renesas,r8a7796-wdt # R-Car M3-W62 - renesas,r8a77961-wdt # R-Car M3-W+63 - renesas,r8a77965-wdt # R-Car M3-N64 - renesas,r8a77970-wdt # R-Car V3M65 - renesas,r8a77980-wdt # R-Car V3H66 - renesas,r8a77990-wdt # R-Car E367 - renesas,r8a77995-wdt # R-Car D368 - const: renesas,rcar-gen3-wdt # R-Car Gen3 and RZ/G269 70 - items:71 - enum:72 - renesas,r8a779a0-wdt # R-Car V3U73 - renesas,r8a779f0-wdt # R-Car S4-874 - renesas,r8a779g0-wdt # R-Car V4H75 - renesas,r8a779h0-wdt # R-Car V4M76 - const: renesas,rcar-gen4-wdt # R-Car Gen477 78 - const: renesas,r9a09g057-wdt # RZ/V2H(P)79 80 reg:81 maxItems: 182 83 interrupts:84 minItems: 185 items:86 - description: Timeout87 - description: Parity error88 89 interrupt-names:90 minItems: 191 items:92 - const: wdt93 - const: perrout94 95 clocks:96 minItems: 197 items:98 - description: Register access clock99 - description: Main clock100 101 clock-names:102 minItems: 1103 items:104 - const: pclk105 - const: oscclk106 107 power-domains:108 maxItems: 1109 110 resets:111 maxItems: 1112 113 timeout-sec: true114 115required:116 - compatible117 - reg118 - clocks119 120allOf:121 - $ref: watchdog.yaml#122 123 - if:124 not:125 properties:126 compatible:127 contains:128 enum:129 - renesas,rza-wdt130 - renesas,rzn1-wdt131 then:132 required:133 - power-domains134 - resets135 136 - if:137 properties:138 compatible:139 contains:140 enum:141 - renesas,r9a09g057-wdt142 - renesas,rzg2l-wdt143 - renesas,rzv2m-wdt144 then:145 properties:146 clocks:147 minItems: 2148 clock-names:149 minItems: 2150 required:151 - clock-names152 else:153 properties:154 clocks:155 maxItems: 1156 157 - if:158 properties:159 compatible:160 contains:161 enum:162 - renesas,rzg2l-wdt163 then:164 properties:165 interrupts:166 minItems: 2167 interrupt-names:168 minItems: 2169 required:170 - interrupt-names171 else:172 properties:173 interrupts:174 maxItems: 1175 176 - if:177 properties:178 compatible:179 contains:180 const: renesas,r9a09g057-wdt181 then:182 properties:183 interrupts: false184 interrupt-names: false185 else:186 required:187 - interrupts188 189additionalProperties: false190 191examples:192 - |193 #include <dt-bindings/clock/r8a7795-cpg-mssr.h>194 #include <dt-bindings/power/r8a7795-sysc.h>195 #include <dt-bindings/interrupt-controller/arm-gic.h>196 wdt0: watchdog@e6020000 {197 compatible = "renesas,r8a7795-wdt", "renesas,rcar-gen3-wdt";198 reg = <0xe6020000 0x0c>;199 interrupts = <GIC_SPI 140 IRQ_TYPE_LEVEL_HIGH>;200 clocks = <&cpg CPG_MOD 402>;201 power-domains = <&sysc R8A7795_PD_ALWAYS_ON>;202 resets = <&cpg 402>;203 timeout-sec = <60>;204 };205