1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) 2%YAML 1.2 3--- 4$id: "http://devicetree.org/schemas/mmc/renesas,sdhi.yaml#" 5$schema: "http://devicetree.org/meta-schemas/core.yaml#" 6 7title: Renesas SDHI SD/MMC controller 8 9maintainers: 10 - Wolfram Sang <wsa+renesas@sang-engineering.com> 11 12properties: 13 compatible: 14 oneOf: 15 - items: 16 - const: renesas,sdhi-sh73a0 # R-Mobile APE6 17 - items: 18 - const: renesas,sdhi-r7s72100 # RZ/A1H 19 - items: 20 - const: renesas,sdhi-r7s9210 # SH-Mobile AG5 21 - items: 22 - const: renesas,sdhi-r8a73a4 # R-Mobile APE6 23 - items: 24 - const: renesas,sdhi-r8a7740 # R-Mobile A1 25 - items: 26 - enum: 27 - renesas,sdhi-r8a7778 # R-Car M1 28 - renesas,sdhi-r8a7779 # R-Car H1 29 - const: renesas,rcar-gen1-sdhi # R-Car Gen1 30 - items: 31 - enum: 32 - renesas,sdhi-r8a7742 # RZ/G1H 33 - renesas,sdhi-r8a7743 # RZ/G1M 34 - renesas,sdhi-r8a7744 # RZ/G1N 35 - renesas,sdhi-r8a7745 # RZ/G1E 36 - renesas,sdhi-r8a77470 # RZ/G1C 37 - renesas,sdhi-r8a7790 # R-Car H2 38 - renesas,sdhi-r8a7791 # R-Car M2-W 39 - renesas,sdhi-r8a7792 # R-Car V2H 40 - renesas,sdhi-r8a7793 # R-Car M2-N 41 - renesas,sdhi-r8a7794 # R-Car E2 42 - const: renesas,rcar-gen2-sdhi # R-Car Gen2 and RZ/G1 43 - items: 44 - const: renesas,sdhi-mmc-r8a77470 # RZ/G1C (SDHI/MMC IP) 45 - items: 46 - enum: 47 - renesas,sdhi-r8a774a1 # RZ/G2M 48 - renesas,sdhi-r8a774b1 # RZ/G2N 49 - renesas,sdhi-r8a774c0 # RZ/G2E 50 - renesas,sdhi-r8a774e1 # RZ/G2H 51 - renesas,sdhi-r8a7795 # R-Car H3 52 - renesas,sdhi-r8a7796 # R-Car M3-W 53 - renesas,sdhi-r8a77961 # R-Car M3-W+ 54 - renesas,sdhi-r8a77965 # R-Car M3-N 55 - renesas,sdhi-r8a77970 # R-Car V3M 56 - renesas,sdhi-r8a77980 # R-Car V3H 57 - renesas,sdhi-r8a77990 # R-Car E3 58 - renesas,sdhi-r8a77995 # R-Car D3 59 - renesas,sdhi-r9a07g043 # RZ/G2UL 60 - renesas,sdhi-r9a07g044 # RZ/G2{L,LC} 61 - renesas,sdhi-r9a07g054 # RZ/V2L 62 - const: renesas,rcar-gen3-sdhi # R-Car Gen3 or RZ/G2 63 - items: 64 - enum: 65 - renesas,sdhi-r8a779a0 # R-Car V3U 66 - renesas,sdhi-r8a779f0 # R-Car S4-8 67 - const: renesas,rcar-gen4-sdhi # R-Car Gen4 68 69 reg: 70 maxItems: 1 71 72 interrupts: 73 minItems: 1 74 maxItems: 3 75 76 clocks: true 77 78 clock-names: true 79 80 dmas: 81 minItems: 4 82 maxItems: 4 83 84 dma-names: 85 minItems: 4 86 maxItems: 4 87 items: 88 enum: 89 - tx 90 - rx 91 92 iommus: 93 maxItems: 1 94 95 power-domains: 96 maxItems: 1 97 98 resets: 99 maxItems: 1 100 101 pinctrl-0: 102 minItems: 1 103 maxItems: 2 104 105 pinctrl-1: 106 maxItems: 1 107 108 pinctrl-names: true 109 110 max-frequency: true 111 112allOf: 113 - $ref: "mmc-controller.yaml" 114 115 - if: 116 properties: 117 compatible: 118 contains: 119 enum: 120 - renesas,sdhi-r9a07g043 121 - renesas,sdhi-r9a07g044 122 - renesas,sdhi-r9a07g054 123 then: 124 properties: 125 clocks: 126 items: 127 - description: IMCLK, SDHI channel main clock1. 128 - description: CLK_HS, SDHI channel High speed clock which operates 129 4 times that of SDHI channel main clock1. 130 - description: IMCLK2, SDHI channel main clock2. When this clock is 131 turned off, external SD card detection cannot be 132 detected. 133 - description: ACLK, SDHI channel bus clock. 134 clock-names: 135 items: 136 - const: core 137 - const: clkh 138 - const: cd 139 - const: aclk 140 required: 141 - clock-names 142 - resets 143 else: 144 if: 145 properties: 146 compatible: 147 contains: 148 enum: 149 - renesas,rcar-gen2-sdhi 150 - renesas,rcar-gen3-sdhi 151 - renesas,rcar-gen4-sdhi 152 then: 153 properties: 154 clocks: 155 minItems: 1 156 maxItems: 3 157 clock-names: 158 minItems: 1 159 uniqueItems: true 160 items: 161 - const: core 162 - enum: [ clkh, cd ] 163 - const: cd 164 else: 165 properties: 166 clocks: 167 minItems: 1 168 maxItems: 2 169 clock-names: 170 minItems: 1 171 items: 172 - const: core 173 - const: cd 174 175 - if: 176 properties: 177 compatible: 178 contains: 179 const: renesas,sdhi-mmc-r8a77470 180 then: 181 properties: 182 pinctrl-names: 183 items: 184 - const: state_uhs 185 else: 186 properties: 187 pinctrl-names: 188 minItems: 1 189 items: 190 - const: default 191 - const: state_uhs 192 193 - if: 194 properties: 195 compatible: 196 contains: 197 enum: 198 - renesas,sdhi-r7s72100 199 - renesas,sdhi-r7s9210 200 then: 201 required: 202 - clock-names 203 description: 204 The internal card detection logic that exists in these controllers is 205 sectioned off to be run by a separate second clock source to allow 206 the main core clock to be turned off to save power. 207 208required: 209 - compatible 210 - reg 211 - interrupts 212 - clocks 213 - power-domains 214 215unevaluatedProperties: false 216 217examples: 218 - | 219 #include <dt-bindings/clock/r8a7790-cpg-mssr.h> 220 #include <dt-bindings/interrupt-controller/arm-gic.h> 221 #include <dt-bindings/power/r8a7790-sysc.h> 222 223 sdhi0: mmc@ee100000 { 224 compatible = "renesas,sdhi-r8a7790", "renesas,rcar-gen2-sdhi"; 225 reg = <0xee100000 0x328>; 226 interrupts = <GIC_SPI 165 IRQ_TYPE_LEVEL_HIGH>; 227 clocks = <&cpg CPG_MOD 314>; 228 dmas = <&dmac0 0xcd>, <&dmac0 0xce>, <&dmac1 0xcd>, <&dmac1 0xce>; 229 dma-names = "tx", "rx", "tx", "rx"; 230 max-frequency = <195000000>; 231 power-domains = <&sysc R8A7790_PD_ALWAYS_ON>; 232 resets = <&cpg 314>; 233 }; 234 235 sdhi1: mmc@ee120000 { 236 compatible = "renesas,sdhi-r8a7790", "renesas,rcar-gen2-sdhi"; 237 reg = <0xee120000 0x328>; 238 interrupts = <GIC_SPI 166 IRQ_TYPE_LEVEL_HIGH>; 239 clocks = <&cpg CPG_MOD 313>; 240 dmas = <&dmac0 0xc9>, <&dmac0 0xca>, <&dmac1 0xc9>, <&dmac1 0xca>; 241 dma-names = "tx", "rx", "tx", "rx"; 242 max-frequency = <195000000>; 243 power-domains = <&sysc R8A7790_PD_ALWAYS_ON>; 244 resets = <&cpg 313>; 245 }; 246 247 sdhi2: mmc@ee140000 { 248 compatible = "renesas,sdhi-r8a7790", "renesas,rcar-gen2-sdhi"; 249 reg = <0xee140000 0x100>; 250 interrupts = <GIC_SPI 167 IRQ_TYPE_LEVEL_HIGH>; 251 clocks = <&cpg CPG_MOD 312>; 252 dmas = <&dmac0 0xc1>, <&dmac0 0xc2>, <&dmac1 0xc1>, <&dmac1 0xc2>; 253 dma-names = "tx", "rx", "tx", "rx"; 254 max-frequency = <97500000>; 255 power-domains = <&sysc R8A7790_PD_ALWAYS_ON>; 256 resets = <&cpg 312>; 257 }; 258 259 sdhi3: mmc@ee160000 { 260 compatible = "renesas,sdhi-r8a7790", "renesas,rcar-gen2-sdhi"; 261 reg = <0xee160000 0x100>; 262 interrupts = <GIC_SPI 168 IRQ_TYPE_LEVEL_HIGH>; 263 clocks = <&cpg CPG_MOD 311>; 264 dmas = <&dmac0 0xd3>, <&dmac0 0xd4>, <&dmac1 0xd3>, <&dmac1 0xd4>; 265 dma-names = "tx", "rx", "tx", "rx"; 266 max-frequency = <97500000>; 267 power-domains = <&sysc R8A7790_PD_ALWAYS_ON>; 268 resets = <&cpg 311>; 269 }; 270