renesas,sdhi.yaml (7647B)
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-r8a779a0 # R-Car V3U 60 - renesas,sdhi-r9a07g043 # RZ/G2UL 61 - renesas,sdhi-r9a07g044 # RZ/G2{L,LC} 62 - renesas,sdhi-r9a07g054 # RZ/V2L 63 - const: renesas,rcar-gen3-sdhi # R-Car Gen3 or RZ/G2 64 65 reg: 66 maxItems: 1 67 68 interrupts: 69 minItems: 1 70 maxItems: 3 71 72 clocks: true 73 74 clock-names: true 75 76 dmas: 77 minItems: 4 78 maxItems: 4 79 80 dma-names: 81 minItems: 4 82 maxItems: 4 83 items: 84 enum: 85 - tx 86 - rx 87 88 power-domains: 89 maxItems: 1 90 91 resets: 92 maxItems: 1 93 94 pinctrl-0: 95 minItems: 1 96 maxItems: 2 97 98 pinctrl-1: 99 maxItems: 1 100 101 pinctrl-names: true 102 103 max-frequency: true 104 105allOf: 106 - $ref: "mmc-controller.yaml" 107 108 - if: 109 properties: 110 compatible: 111 contains: 112 enum: 113 - renesas,sdhi-r9a07g043 114 - renesas,sdhi-r9a07g044 115 - renesas,sdhi-r9a07g054 116 then: 117 properties: 118 clocks: 119 items: 120 - description: IMCLK, SDHI channel main clock1. 121 - description: CLK_HS, SDHI channel High speed clock which operates 122 4 times that of SDHI channel main clock1. 123 - description: IMCLK2, SDHI channel main clock2. When this clock is 124 turned off, external SD card detection cannot be 125 detected. 126 - description: ACLK, SDHI channel bus clock. 127 clock-names: 128 items: 129 - const: core 130 - const: clkh 131 - const: cd 132 - const: aclk 133 required: 134 - clock-names 135 - resets 136 else: 137 if: 138 properties: 139 compatible: 140 contains: 141 enum: 142 - renesas,rcar-gen2-sdhi 143 - renesas,rcar-gen3-sdhi 144 then: 145 properties: 146 clocks: 147 minItems: 1 148 maxItems: 3 149 clock-names: 150 minItems: 1 151 uniqueItems: true 152 items: 153 - const: core 154 - enum: [ clkh, cd ] 155 - const: cd 156 else: 157 properties: 158 clocks: 159 minItems: 1 160 maxItems: 2 161 clock-names: 162 minItems: 1 163 items: 164 - const: core 165 - const: cd 166 167 - if: 168 properties: 169 compatible: 170 contains: 171 const: renesas,sdhi-mmc-r8a77470 172 then: 173 properties: 174 pinctrl-names: 175 items: 176 - const: state_uhs 177 else: 178 properties: 179 pinctrl-names: 180 minItems: 1 181 items: 182 - const: default 183 - const: state_uhs 184 185 - if: 186 properties: 187 compatible: 188 contains: 189 enum: 190 - renesas,sdhi-r7s72100 191 - renesas,sdhi-r7s9210 192 then: 193 required: 194 - clock-names 195 description: 196 The internal card detection logic that exists in these controllers is 197 sectioned off to be run by a separate second clock source to allow 198 the main core clock to be turned off to save power. 199 200required: 201 - compatible 202 - reg 203 - interrupts 204 - clocks 205 - power-domains 206 207unevaluatedProperties: false 208 209examples: 210 - | 211 #include <dt-bindings/clock/r8a7790-cpg-mssr.h> 212 #include <dt-bindings/interrupt-controller/arm-gic.h> 213 #include <dt-bindings/power/r8a7790-sysc.h> 214 215 sdhi0: mmc@ee100000 { 216 compatible = "renesas,sdhi-r8a7790", "renesas,rcar-gen2-sdhi"; 217 reg = <0xee100000 0x328>; 218 interrupts = <GIC_SPI 165 IRQ_TYPE_LEVEL_HIGH>; 219 clocks = <&cpg CPG_MOD 314>; 220 dmas = <&dmac0 0xcd>, <&dmac0 0xce>, <&dmac1 0xcd>, <&dmac1 0xce>; 221 dma-names = "tx", "rx", "tx", "rx"; 222 max-frequency = <195000000>; 223 power-domains = <&sysc R8A7790_PD_ALWAYS_ON>; 224 resets = <&cpg 314>; 225 }; 226 227 sdhi1: mmc@ee120000 { 228 compatible = "renesas,sdhi-r8a7790", "renesas,rcar-gen2-sdhi"; 229 reg = <0xee120000 0x328>; 230 interrupts = <GIC_SPI 166 IRQ_TYPE_LEVEL_HIGH>; 231 clocks = <&cpg CPG_MOD 313>; 232 dmas = <&dmac0 0xc9>, <&dmac0 0xca>, <&dmac1 0xc9>, <&dmac1 0xca>; 233 dma-names = "tx", "rx", "tx", "rx"; 234 max-frequency = <195000000>; 235 power-domains = <&sysc R8A7790_PD_ALWAYS_ON>; 236 resets = <&cpg 313>; 237 }; 238 239 sdhi2: mmc@ee140000 { 240 compatible = "renesas,sdhi-r8a7790", "renesas,rcar-gen2-sdhi"; 241 reg = <0xee140000 0x100>; 242 interrupts = <GIC_SPI 167 IRQ_TYPE_LEVEL_HIGH>; 243 clocks = <&cpg CPG_MOD 312>; 244 dmas = <&dmac0 0xc1>, <&dmac0 0xc2>, <&dmac1 0xc1>, <&dmac1 0xc2>; 245 dma-names = "tx", "rx", "tx", "rx"; 246 max-frequency = <97500000>; 247 power-domains = <&sysc R8A7790_PD_ALWAYS_ON>; 248 resets = <&cpg 312>; 249 }; 250 251 sdhi3: mmc@ee160000 { 252 compatible = "renesas,sdhi-r8a7790", "renesas,rcar-gen2-sdhi"; 253 reg = <0xee160000 0x100>; 254 interrupts = <GIC_SPI 168 IRQ_TYPE_LEVEL_HIGH>; 255 clocks = <&cpg CPG_MOD 311>; 256 dmas = <&dmac0 0xd3>, <&dmac0 0xd4>, <&dmac1 0xd3>, <&dmac1 0xd4>; 257 dma-names = "tx", "rx", "tx", "rx"; 258 max-frequency = <97500000>; 259 power-domains = <&sysc R8A7790_PD_ALWAYS_ON>; 260 resets = <&cpg 311>; 261 };