0001 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
0002 %YAML 1.2
0003 ---
0004 $id: "http://devicetree.org/schemas/mmc/renesas,sdhi.yaml#"
0005 $schema: "http://devicetree.org/meta-schemas/core.yaml#"
0006
0007 title: Renesas SDHI SD/MMC controller
0008
0009 maintainers:
0010 - Wolfram Sang <wsa+renesas@sang-engineering.com>
0011
0012 properties:
0013 compatible:
0014 oneOf:
0015 - items:
0016 - const: renesas,sdhi-sh73a0 # R-Mobile APE6
0017 - items:
0018 - const: renesas,sdhi-r7s72100 # RZ/A1H
0019 - items:
0020 - const: renesas,sdhi-r7s9210 # SH-Mobile AG5
0021 - items:
0022 - const: renesas,sdhi-r8a73a4 # R-Mobile APE6
0023 - items:
0024 - const: renesas,sdhi-r8a7740 # R-Mobile A1
0025 - items:
0026 - enum:
0027 - renesas,sdhi-r8a7778 # R-Car M1
0028 - renesas,sdhi-r8a7779 # R-Car H1
0029 - const: renesas,rcar-gen1-sdhi # R-Car Gen1
0030 - items:
0031 - enum:
0032 - renesas,sdhi-r8a7742 # RZ/G1H
0033 - renesas,sdhi-r8a7743 # RZ/G1M
0034 - renesas,sdhi-r8a7744 # RZ/G1N
0035 - renesas,sdhi-r8a7745 # RZ/G1E
0036 - renesas,sdhi-r8a77470 # RZ/G1C
0037 - renesas,sdhi-r8a7790 # R-Car H2
0038 - renesas,sdhi-r8a7791 # R-Car M2-W
0039 - renesas,sdhi-r8a7792 # R-Car V2H
0040 - renesas,sdhi-r8a7793 # R-Car M2-N
0041 - renesas,sdhi-r8a7794 # R-Car E2
0042 - const: renesas,rcar-gen2-sdhi # R-Car Gen2 and RZ/G1
0043 - items:
0044 - const: renesas,sdhi-mmc-r8a77470 # RZ/G1C (SDHI/MMC IP)
0045 - items:
0046 - enum:
0047 - renesas,sdhi-r8a774a1 # RZ/G2M
0048 - renesas,sdhi-r8a774b1 # RZ/G2N
0049 - renesas,sdhi-r8a774c0 # RZ/G2E
0050 - renesas,sdhi-r8a774e1 # RZ/G2H
0051 - renesas,sdhi-r8a7795 # R-Car H3
0052 - renesas,sdhi-r8a7796 # R-Car M3-W
0053 - renesas,sdhi-r8a77961 # R-Car M3-W+
0054 - renesas,sdhi-r8a77965 # R-Car M3-N
0055 - renesas,sdhi-r8a77970 # R-Car V3M
0056 - renesas,sdhi-r8a77980 # R-Car V3H
0057 - renesas,sdhi-r8a77990 # R-Car E3
0058 - renesas,sdhi-r8a77995 # R-Car D3
0059 - renesas,sdhi-r9a07g043 # RZ/G2UL
0060 - renesas,sdhi-r9a07g044 # RZ/G2{L,LC}
0061 - renesas,sdhi-r9a07g054 # RZ/V2L
0062 - const: renesas,rcar-gen3-sdhi # R-Car Gen3 or RZ/G2
0063 - items:
0064 - enum:
0065 - renesas,sdhi-r8a779a0 # R-Car V3U
0066 - renesas,sdhi-r8a779f0 # R-Car S4-8
0067 - const: renesas,rcar-gen4-sdhi # R-Car Gen4
0068
0069 reg:
0070 maxItems: 1
0071
0072 interrupts:
0073 minItems: 1
0074 maxItems: 3
0075
0076 clocks: true
0077
0078 clock-names: true
0079
0080 dmas:
0081 minItems: 4
0082 maxItems: 4
0083
0084 dma-names:
0085 minItems: 4
0086 maxItems: 4
0087 items:
0088 enum:
0089 - tx
0090 - rx
0091
0092 power-domains:
0093 maxItems: 1
0094
0095 resets:
0096 maxItems: 1
0097
0098 pinctrl-0:
0099 minItems: 1
0100 maxItems: 2
0101
0102 pinctrl-1:
0103 maxItems: 1
0104
0105 pinctrl-names: true
0106
0107 max-frequency: true
0108
0109 allOf:
0110 - $ref: "mmc-controller.yaml"
0111
0112 - if:
0113 properties:
0114 compatible:
0115 contains:
0116 enum:
0117 - renesas,sdhi-r9a07g043
0118 - renesas,sdhi-r9a07g044
0119 - renesas,sdhi-r9a07g054
0120 then:
0121 properties:
0122 clocks:
0123 items:
0124 - description: IMCLK, SDHI channel main clock1.
0125 - description: CLK_HS, SDHI channel High speed clock which operates
0126 4 times that of SDHI channel main clock1.
0127 - description: IMCLK2, SDHI channel main clock2. When this clock is
0128 turned off, external SD card detection cannot be
0129 detected.
0130 - description: ACLK, SDHI channel bus clock.
0131 clock-names:
0132 items:
0133 - const: core
0134 - const: clkh
0135 - const: cd
0136 - const: aclk
0137 required:
0138 - clock-names
0139 - resets
0140 else:
0141 if:
0142 properties:
0143 compatible:
0144 contains:
0145 enum:
0146 - renesas,rcar-gen2-sdhi
0147 - renesas,rcar-gen3-sdhi
0148 - renesas,rcar-gen4-sdhi
0149 then:
0150 properties:
0151 clocks:
0152 minItems: 1
0153 maxItems: 3
0154 clock-names:
0155 minItems: 1
0156 uniqueItems: true
0157 items:
0158 - const: core
0159 - enum: [ clkh, cd ]
0160 - const: cd
0161 else:
0162 properties:
0163 clocks:
0164 minItems: 1
0165 maxItems: 2
0166 clock-names:
0167 minItems: 1
0168 items:
0169 - const: core
0170 - const: cd
0171
0172 - if:
0173 properties:
0174 compatible:
0175 contains:
0176 const: renesas,sdhi-mmc-r8a77470
0177 then:
0178 properties:
0179 pinctrl-names:
0180 items:
0181 - const: state_uhs
0182 else:
0183 properties:
0184 pinctrl-names:
0185 minItems: 1
0186 items:
0187 - const: default
0188 - const: state_uhs
0189
0190 - if:
0191 properties:
0192 compatible:
0193 contains:
0194 enum:
0195 - renesas,sdhi-r7s72100
0196 - renesas,sdhi-r7s9210
0197 then:
0198 required:
0199 - clock-names
0200 description:
0201 The internal card detection logic that exists in these controllers is
0202 sectioned off to be run by a separate second clock source to allow
0203 the main core clock to be turned off to save power.
0204
0205 required:
0206 - compatible
0207 - reg
0208 - interrupts
0209 - clocks
0210 - power-domains
0211
0212 unevaluatedProperties: false
0213
0214 examples:
0215 - |
0216 #include <dt-bindings/clock/r8a7790-cpg-mssr.h>
0217 #include <dt-bindings/interrupt-controller/arm-gic.h>
0218 #include <dt-bindings/power/r8a7790-sysc.h>
0219
0220 sdhi0: mmc@ee100000 {
0221 compatible = "renesas,sdhi-r8a7790", "renesas,rcar-gen2-sdhi";
0222 reg = <0xee100000 0x328>;
0223 interrupts = <GIC_SPI 165 IRQ_TYPE_LEVEL_HIGH>;
0224 clocks = <&cpg CPG_MOD 314>;
0225 dmas = <&dmac0 0xcd>, <&dmac0 0xce>, <&dmac1 0xcd>, <&dmac1 0xce>;
0226 dma-names = "tx", "rx", "tx", "rx";
0227 max-frequency = <195000000>;
0228 power-domains = <&sysc R8A7790_PD_ALWAYS_ON>;
0229 resets = <&cpg 314>;
0230 };
0231
0232 sdhi1: mmc@ee120000 {
0233 compatible = "renesas,sdhi-r8a7790", "renesas,rcar-gen2-sdhi";
0234 reg = <0xee120000 0x328>;
0235 interrupts = <GIC_SPI 166 IRQ_TYPE_LEVEL_HIGH>;
0236 clocks = <&cpg CPG_MOD 313>;
0237 dmas = <&dmac0 0xc9>, <&dmac0 0xca>, <&dmac1 0xc9>, <&dmac1 0xca>;
0238 dma-names = "tx", "rx", "tx", "rx";
0239 max-frequency = <195000000>;
0240 power-domains = <&sysc R8A7790_PD_ALWAYS_ON>;
0241 resets = <&cpg 313>;
0242 };
0243
0244 sdhi2: mmc@ee140000 {
0245 compatible = "renesas,sdhi-r8a7790", "renesas,rcar-gen2-sdhi";
0246 reg = <0xee140000 0x100>;
0247 interrupts = <GIC_SPI 167 IRQ_TYPE_LEVEL_HIGH>;
0248 clocks = <&cpg CPG_MOD 312>;
0249 dmas = <&dmac0 0xc1>, <&dmac0 0xc2>, <&dmac1 0xc1>, <&dmac1 0xc2>;
0250 dma-names = "tx", "rx", "tx", "rx";
0251 max-frequency = <97500000>;
0252 power-domains = <&sysc R8A7790_PD_ALWAYS_ON>;
0253 resets = <&cpg 312>;
0254 };
0255
0256 sdhi3: mmc@ee160000 {
0257 compatible = "renesas,sdhi-r8a7790", "renesas,rcar-gen2-sdhi";
0258 reg = <0xee160000 0x100>;
0259 interrupts = <GIC_SPI 168 IRQ_TYPE_LEVEL_HIGH>;
0260 clocks = <&cpg CPG_MOD 311>;
0261 dmas = <&dmac0 0xd3>, <&dmac0 0xd4>, <&dmac1 0xd3>, <&dmac1 0xd4>;
0262 dma-names = "tx", "rx", "tx", "rx";
0263 max-frequency = <97500000>;
0264 power-domains = <&sysc R8A7790_PD_ALWAYS_ON>;
0265 resets = <&cpg 311>;
0266 };
