renesas,wdt.yaml (4094B)
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 13properties: 14 compatible: 15 oneOf: 16 - items: 17 - enum: 18 - renesas,r7s72100-wdt # RZ/A1 19 - renesas,r7s9210-wdt # RZ/A2 20 - const: renesas,rza-wdt # RZ/A 21 22 - items: 23 - enum: 24 - renesas,r9a06g032-wdt # RZ/N1D 25 - const: renesas,rzn1-wdt # RZ/N1 26 27 - items: 28 - enum: 29 - renesas,r9a07g043-wdt # RZ/G2UL 30 - renesas,r9a07g044-wdt # RZ/G2{L,LC} 31 - renesas,r9a07g054-wdt # RZ/V2L 32 - const: renesas,rzg2l-wdt 33 34 - items: 35 - enum: 36 - renesas,r8a7742-wdt # RZ/G1H 37 - renesas,r8a7743-wdt # RZ/G1M 38 - renesas,r8a7744-wdt # RZ/G1N 39 - renesas,r8a7745-wdt # RZ/G1E 40 - renesas,r8a77470-wdt # RZ/G1C 41 - renesas,r8a7790-wdt # R-Car H2 42 - renesas,r8a7791-wdt # R-Car M2-W 43 - renesas,r8a7792-wdt # R-Car V2H 44 - renesas,r8a7793-wdt # R-Car M2-N 45 - renesas,r8a7794-wdt # R-Car E2 46 - const: renesas,rcar-gen2-wdt # R-Car Gen2 and RZ/G1 47 48 - items: 49 - enum: 50 - renesas,r8a774a1-wdt # RZ/G2M 51 - renesas,r8a774b1-wdt # RZ/G2N 52 - renesas,r8a774c0-wdt # RZ/G2E 53 - renesas,r8a774e1-wdt # RZ/G2H 54 - renesas,r8a7795-wdt # R-Car H3 55 - renesas,r8a7796-wdt # R-Car M3-W 56 - renesas,r8a77961-wdt # R-Car M3-W+ 57 - renesas,r8a77965-wdt # R-Car M3-N 58 - renesas,r8a77970-wdt # R-Car V3M 59 - renesas,r8a77980-wdt # R-Car V3H 60 - renesas,r8a77990-wdt # R-Car E3 61 - renesas,r8a77995-wdt # R-Car D3 62 - const: renesas,rcar-gen3-wdt # R-Car Gen3 and RZ/G2 63 64 - items: 65 - enum: 66 - renesas,r8a779a0-wdt # R-Car V3U 67 - renesas,r8a779f0-wdt # R-Car S4-8 68 - const: renesas,rcar-gen4-wdt # R-Car Gen4 69 70 reg: 71 maxItems: 1 72 73 interrupts: true 74 75 interrupt-names: true 76 77 clocks: true 78 79 clock-names: true 80 81 power-domains: 82 maxItems: 1 83 84 resets: 85 maxItems: 1 86 87 timeout-sec: true 88 89required: 90 - compatible 91 - reg 92 - clocks 93 94allOf: 95 - $ref: "watchdog.yaml#" 96 97 - if: 98 not: 99 properties: 100 compatible: 101 contains: 102 enum: 103 - renesas,rza-wdt 104 - renesas,rzn1-wdt 105 then: 106 required: 107 - power-domains 108 - resets 109 110 - if: 111 properties: 112 compatible: 113 contains: 114 enum: 115 - renesas,rzg2l-wdt 116 then: 117 properties: 118 interrupts: 119 maxItems: 2 120 interrupt-names: 121 items: 122 - const: wdt 123 - const: perrout 124 clocks: 125 items: 126 - description: Register access clock 127 - description: Main clock 128 clock-names: 129 items: 130 - const: pclk 131 - const: oscclk 132 required: 133 - clock-names 134 - interrupt-names 135 else: 136 properties: 137 interrupts: 138 maxItems: 1 139 clocks: 140 maxItems: 1 141 142additionalProperties: false 143 144examples: 145 - | 146 #include <dt-bindings/clock/r8a7795-cpg-mssr.h> 147 #include <dt-bindings/power/r8a7795-sysc.h> 148 wdt0: watchdog@e6020000 { 149 compatible = "renesas,r8a7795-wdt", "renesas,rcar-gen3-wdt"; 150 reg = <0xe6020000 0x0c>; 151 clocks = <&cpg CPG_MOD 402>; 152 power-domains = <&sysc R8A7795_PD_ALWAYS_ON>; 153 resets = <&cpg 402>; 154 timeout-sec = <60>; 155 };