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1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)2%YAML 1.23---4$id: http://devicetree.org/schemas/timer/renesas,cmt.yaml#5$schema: http://devicetree.org/meta-schemas/core.yaml#6 7title: Renesas Compare Match Timer (CMT)8 9maintainers:10 - Geert Uytterhoeven <geert+renesas@glider.be>11 - Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>12 13description:14 The CMT is a multi-channel 16/32/48-bit timer/counter with configurable clock15 inputs and programmable compare match.16 17 Channels share hardware resources but their counter and compare match values18 are independent. A particular CMT instance can implement only a subset of the19 channels supported by the CMT model. Channel indices represent the hardware20 position of the channel in the CMT and don't match the channel numbers in the21 datasheets.22 23properties:24 compatible:25 oneOf:26 - items:27 - enum:28 - renesas,r8a7740-cmt0 # 32-bit CMT0 on R-Mobile A129 - renesas,r8a7740-cmt1 # 48-bit CMT1 on R-Mobile A130 - renesas,r8a7740-cmt2 # 32-bit CMT2 on R-Mobile A131 - renesas,r8a7740-cmt3 # 32-bit CMT3 on R-Mobile A132 - renesas,r8a7740-cmt4 # 32-bit CMT4 on R-Mobile A133 - renesas,sh73a0-cmt0 # 32-bit CMT0 on SH-Mobile AG534 - renesas,sh73a0-cmt1 # 48-bit CMT1 on SH-Mobile AG535 - renesas,sh73a0-cmt2 # 32-bit CMT2 on SH-Mobile AG536 - renesas,sh73a0-cmt3 # 32-bit CMT3 on SH-Mobile AG537 - renesas,sh73a0-cmt4 # 32-bit CMT4 on SH-Mobile AG538 39 - items:40 - enum:41 - renesas,r8a73a4-cmt0 # 32-bit CMT0 on R-Mobile APE642 - renesas,r8a7742-cmt0 # 32-bit CMT0 on RZ/G1H43 - renesas,r8a7743-cmt0 # 32-bit CMT0 on RZ/G1M44 - renesas,r8a7744-cmt0 # 32-bit CMT0 on RZ/G1N45 - renesas,r8a7745-cmt0 # 32-bit CMT0 on RZ/G1E46 - renesas,r8a77470-cmt0 # 32-bit CMT0 on RZ/G1C47 - renesas,r8a7790-cmt0 # 32-bit CMT0 on R-Car H248 - renesas,r8a7791-cmt0 # 32-bit CMT0 on R-Car M2-W49 - renesas,r8a7792-cmt0 # 32-bit CMT0 on R-Car V2H50 - renesas,r8a7793-cmt0 # 32-bit CMT0 on R-Car M2-N51 - renesas,r8a7794-cmt0 # 32-bit CMT0 on R-Car E252 - const: renesas,rcar-gen2-cmt0 # 32-bit CMT0 on R-Mobile APE6, R-Car Gen2 and RZ/G153 54 - items:55 - enum:56 - renesas,r8a73a4-cmt1 # 48-bit CMT1 on R-Mobile APE657 - renesas,r8a7742-cmt1 # 48-bit CMT1 on RZ/G1H58 - renesas,r8a7743-cmt1 # 48-bit CMT1 on RZ/G1M59 - renesas,r8a7744-cmt1 # 48-bit CMT1 on RZ/G1N60 - renesas,r8a7745-cmt1 # 48-bit CMT1 on RZ/G1E61 - renesas,r8a77470-cmt1 # 48-bit CMT1 on RZ/G1C62 - renesas,r8a7790-cmt1 # 48-bit CMT1 on R-Car H263 - renesas,r8a7791-cmt1 # 48-bit CMT1 on R-Car M2-W64 - renesas,r8a7792-cmt1 # 48-bit CMT1 on R-Car V2H65 - renesas,r8a7793-cmt1 # 48-bit CMT1 on R-Car M2-N66 - renesas,r8a7794-cmt1 # 48-bit CMT1 on R-Car E267 - const: renesas,rcar-gen2-cmt1 # 48-bit CMT1 on R-Mobile APE6, R-Car Gen2 and RZ/G168 69 - items:70 - enum:71 - renesas,r8a774a1-cmt0 # 32-bit CMT0 on RZ/G2M72 - renesas,r8a774b1-cmt0 # 32-bit CMT0 on RZ/G2N73 - renesas,r8a774c0-cmt0 # 32-bit CMT0 on RZ/G2E74 - renesas,r8a774e1-cmt0 # 32-bit CMT0 on RZ/G2H75 - renesas,r8a7795-cmt0 # 32-bit CMT0 on R-Car H376 - renesas,r8a7796-cmt0 # 32-bit CMT0 on R-Car M3-W77 - renesas,r8a77961-cmt0 # 32-bit CMT0 on R-Car M3-W+78 - renesas,r8a77965-cmt0 # 32-bit CMT0 on R-Car M3-N79 - renesas,r8a77970-cmt0 # 32-bit CMT0 on R-Car V3M80 - renesas,r8a77980-cmt0 # 32-bit CMT0 on R-Car V3H81 - renesas,r8a77990-cmt0 # 32-bit CMT0 on R-Car E382 - renesas,r8a77995-cmt0 # 32-bit CMT0 on R-Car D383 - const: renesas,rcar-gen3-cmt0 # 32-bit CMT0 on R-Car Gen3 and RZ/G284 85 - items:86 - enum:87 - renesas,r8a774a1-cmt1 # 48-bit CMT on RZ/G2M88 - renesas,r8a774b1-cmt1 # 48-bit CMT on RZ/G2N89 - renesas,r8a774c0-cmt1 # 48-bit CMT on RZ/G2E90 - renesas,r8a774e1-cmt1 # 48-bit CMT on RZ/G2H91 - renesas,r8a7795-cmt1 # 48-bit CMT on R-Car H392 - renesas,r8a7796-cmt1 # 48-bit CMT on R-Car M3-W93 - renesas,r8a77961-cmt1 # 48-bit CMT on R-Car M3-W+94 - renesas,r8a77965-cmt1 # 48-bit CMT on R-Car M3-N95 - renesas,r8a77970-cmt1 # 48-bit CMT on R-Car V3M96 - renesas,r8a77980-cmt1 # 48-bit CMT on R-Car V3H97 - renesas,r8a77990-cmt1 # 48-bit CMT on R-Car E398 - renesas,r8a77995-cmt1 # 48-bit CMT on R-Car D399 - const: renesas,rcar-gen3-cmt1 # 48-bit CMT on R-Car Gen3 and RZ/G2100 101 - items:102 - enum:103 - renesas,r8a779a0-cmt0 # 32-bit CMT0 on R-Car V3U104 - renesas,r8a779f0-cmt0 # 32-bit CMT0 on R-Car S4-8105 - renesas,r8a779g0-cmt0 # 32-bit CMT0 on R-Car V4H106 - renesas,r8a779h0-cmt0 # 32-bit CMT0 on R-Car V4M107 - const: renesas,rcar-gen4-cmt0 # 32-bit CMT0 on R-Car Gen4108 109 - items:110 - enum:111 - renesas,r8a779a0-cmt1 # 48-bit CMT on R-Car V3U112 - renesas,r8a779f0-cmt1 # 48-bit CMT on R-Car S4-8113 - renesas,r8a779g0-cmt1 # 48-bit CMT on R-Car V4H114 - renesas,r8a779h0-cmt1 # 48-bit CMT on R-Car V4M115 - const: renesas,rcar-gen4-cmt1 # 48-bit CMT on R-Car Gen4116 117 reg:118 maxItems: 1119 120 interrupts:121 minItems: 1122 maxItems: 8123 124 clocks:125 maxItems: 1126 127 clock-names:128 const: fck129 130 power-domains:131 maxItems: 1132 133 resets:134 maxItems: 1135 136required:137 - compatible138 - reg139 - interrupts140 - clocks141 - clock-names142 - power-domains143 144allOf:145 - if:146 properties:147 compatible:148 contains:149 enum:150 - renesas,rcar-gen2-cmt0151 - renesas,rcar-gen3-cmt0152 - renesas,rcar-gen4-cmt0153 then:154 properties:155 interrupts:156 minItems: 2157 maxItems: 2158 159 - if:160 properties:161 compatible:162 contains:163 enum:164 - renesas,rcar-gen2-cmt1165 - renesas,rcar-gen3-cmt1166 - renesas,rcar-gen4-cmt1167 then:168 properties:169 interrupts:170 minItems: 8171 maxItems: 8172 173additionalProperties: false174 175examples:176 - |177 #include <dt-bindings/clock/r8a7790-cpg-mssr.h>178 #include <dt-bindings/interrupt-controller/arm-gic.h>179 #include <dt-bindings/power/r8a7790-sysc.h>180 cmt0: timer@ffca0000 {181 compatible = "renesas,r8a7790-cmt0", "renesas,rcar-gen2-cmt0";182 reg = <0xffca0000 0x1004>;183 interrupts = <GIC_SPI 142 IRQ_TYPE_LEVEL_HIGH>,184 <GIC_SPI 143 IRQ_TYPE_LEVEL_HIGH>;185 clocks = <&cpg CPG_MOD 124>;186 clock-names = "fck";187 power-domains = <&sysc R8A7790_PD_ALWAYS_ON>;188 resets = <&cpg 124>;189 };190 191 cmt1: timer@e6130000 {192 compatible = "renesas,r8a7790-cmt1", "renesas,rcar-gen2-cmt1";193 reg = <0xe6130000 0x1004>;194 interrupts = <GIC_SPI 120 IRQ_TYPE_LEVEL_HIGH>,195 <GIC_SPI 121 IRQ_TYPE_LEVEL_HIGH>,196 <GIC_SPI 122 IRQ_TYPE_LEVEL_HIGH>,197 <GIC_SPI 123 IRQ_TYPE_LEVEL_HIGH>,198 <GIC_SPI 124 IRQ_TYPE_LEVEL_HIGH>,199 <GIC_SPI 125 IRQ_TYPE_LEVEL_HIGH>,200 <GIC_SPI 126 IRQ_TYPE_LEVEL_HIGH>,201 <GIC_SPI 127 IRQ_TYPE_LEVEL_HIGH>;202 clocks = <&cpg CPG_MOD 329>;203 clock-names = "fck";204 power-domains = <&sysc R8A7790_PD_ALWAYS_ON>;205 resets = <&cpg 329>;206 };207