1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) 2%YAML 1.2 3--- 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) Controller 8 9maintainers: 10 - Wolfram Sang <wsa+renesas@sang-engineering.com> 11 - Geert Uytterhoeven <geert+renesas@glider.be> 12 13allOf: 14 - $ref: "watchdog.yaml#" 15 16properties: 17 compatible: 18 oneOf: 19 - items: 20 - enum: 21 - renesas,r7s72100-wdt # RZ/A1 22 - renesas,r7s9210-wdt # RZ/A2 23 - const: renesas,rza-wdt # RZ/A 24 25 - items: 26 - enum: 27 - renesas,r8a7743-wdt # RZ/G1M 28 - renesas,r8a7744-wdt # RZ/G1N 29 - renesas,r8a7745-wdt # RZ/G1E 30 - renesas,r8a77470-wdt # RZ/G1C 31 - renesas,r8a7790-wdt # R-Car H2 32 - renesas,r8a7791-wdt # R-Car M2-W 33 - renesas,r8a7792-wdt # R-Car V2H 34 - renesas,r8a7793-wdt # R-Car M2-N 35 - renesas,r8a7794-wdt # R-Car E2 36 - const: renesas,rcar-gen2-wdt # R-Car Gen2 and RZ/G1 37 38 - items: 39 - enum: 40 - renesas,r8a774a1-wdt # RZ/G2M 41 - renesas,r8a774b1-wdt # RZ/G2N 42 - renesas,r8a774c0-wdt # RZ/G2E 43 - renesas,r8a7795-wdt # R-Car H3 44 - renesas,r8a7796-wdt # R-Car M3-W 45 - renesas,r8a77961-wdt # R-Car M3-W+ 46 - renesas,r8a77965-wdt # R-Car M3-N 47 - renesas,r8a77970-wdt # R-Car V3M 48 - renesas,r8a77980-wdt # R-Car V3H 49 - renesas,r8a77990-wdt # R-Car E3 50 - renesas,r8a77995-wdt # R-Car D3 51 - const: renesas,rcar-gen3-wdt # R-Car Gen3 and RZ/G2 52 53 reg: 54 maxItems: 1 55 56 interrupts: 57 maxItems: 1 58 59 clocks: 60 maxItems: 1 61 62 power-domains: 63 maxItems: 1 64 65 resets: 66 maxItems: 1 67 68 timeout-sec: true 69 70required: 71 - compatible 72 - reg 73 - clocks 74 75if: 76 not: 77 properties: 78 compatible: 79 contains: 80 enum: 81 - renesas,rza-wdt 82then: 83 required: 84 - power-domains 85 - resets 86 87additionalProperties: false 88 89examples: 90 - | 91 #include <dt-bindings/clock/r8a7795-cpg-mssr.h> 92 #include <dt-bindings/power/r8a7795-sysc.h> 93 wdt0: watchdog@e6020000 { 94 compatible = "renesas,r8a7795-wdt", "renesas,rcar-gen3-wdt"; 95 reg = <0xe6020000 0x0c>; 96 clocks = <&cpg CPG_MOD 402>; 97 power-domains = <&sysc R8A7795_PD_ALWAYS_ON>; 98 resets = <&cpg 402>; 99 timeout-sec = <60>; 100 }; 101