Tom Rini | 53633a8 | 2024-02-29 12:33:36 -0500 | [diff] [blame^] | 1 | # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause |
| 2 | %YAML 1.2 |
| 3 | --- |
| 4 | $id: http://devicetree.org/schemas/pinctrl/mediatek,mt7621-pinctrl.yaml# |
| 5 | $schema: http://devicetree.org/meta-schemas/core.yaml# |
| 6 | |
| 7 | title: MediaTek MT7621 Pin Controller |
| 8 | |
| 9 | maintainers: |
| 10 | - Arınç ÜNAL <arinc.unal@arinc9.com> |
| 11 | - Sergio Paracuellos <sergio.paracuellos@gmail.com> |
| 12 | |
| 13 | description: | |
| 14 | MediaTek MT7621 pin controller for MT7621 SoC. |
| 15 | The pin controller can only set the muxing of pin groups. Muxing individual |
| 16 | pins is not supported. There is no pinconf support. |
| 17 | |
| 18 | properties: |
| 19 | compatible: |
| 20 | const: ralink,mt7621-pinctrl |
| 21 | |
| 22 | patternProperties: |
| 23 | '-pins$': |
| 24 | type: object |
| 25 | additionalProperties: false |
| 26 | |
| 27 | patternProperties: |
| 28 | '^(.*-)?pinmux$': |
| 29 | type: object |
| 30 | description: node for pinctrl. |
| 31 | $ref: pinmux-node.yaml# |
| 32 | additionalProperties: false |
| 33 | |
| 34 | properties: |
| 35 | function: |
| 36 | description: |
| 37 | A string containing the name of the function to mux to the group. |
| 38 | enum: [gpio, i2c, i2s, jtag, mdio, nand1, nand2, pcie refclk, |
| 39 | pcie rst, pcm, rgmii1, rgmii2, sdhci, spdif2, spdif3, spi, |
| 40 | uart1, uart2, uart3, wdt refclk, wdt rst] |
| 41 | |
| 42 | groups: |
| 43 | description: |
| 44 | An array of strings. Each string contains the name of a group. |
| 45 | maxItems: 1 |
| 46 | |
| 47 | required: |
| 48 | - groups |
| 49 | - function |
| 50 | |
| 51 | allOf: |
| 52 | - if: |
| 53 | properties: |
| 54 | function: |
| 55 | const: gpio |
| 56 | then: |
| 57 | properties: |
| 58 | groups: |
| 59 | enum: [i2c, jtag, mdio, pcie, rgmii1, rgmii2, sdhci, spi, |
| 60 | uart1, uart2, uart3, wdt] |
| 61 | |
| 62 | - if: |
| 63 | properties: |
| 64 | function: |
| 65 | const: i2c |
| 66 | then: |
| 67 | properties: |
| 68 | groups: |
| 69 | enum: [i2c] |
| 70 | |
| 71 | - if: |
| 72 | properties: |
| 73 | function: |
| 74 | const: i2s |
| 75 | then: |
| 76 | properties: |
| 77 | groups: |
| 78 | enum: [uart3] |
| 79 | |
| 80 | - if: |
| 81 | properties: |
| 82 | function: |
| 83 | const: jtag |
| 84 | then: |
| 85 | properties: |
| 86 | groups: |
| 87 | enum: [jtag] |
| 88 | |
| 89 | - if: |
| 90 | properties: |
| 91 | function: |
| 92 | const: mdio |
| 93 | then: |
| 94 | properties: |
| 95 | groups: |
| 96 | enum: [mdio] |
| 97 | |
| 98 | - if: |
| 99 | properties: |
| 100 | function: |
| 101 | const: nand1 |
| 102 | then: |
| 103 | properties: |
| 104 | groups: |
| 105 | enum: [spi] |
| 106 | |
| 107 | - if: |
| 108 | properties: |
| 109 | function: |
| 110 | const: nand2 |
| 111 | then: |
| 112 | properties: |
| 113 | groups: |
| 114 | enum: [sdhci] |
| 115 | |
| 116 | - if: |
| 117 | properties: |
| 118 | function: |
| 119 | const: pcie refclk |
| 120 | then: |
| 121 | properties: |
| 122 | groups: |
| 123 | enum: [pcie] |
| 124 | |
| 125 | - if: |
| 126 | properties: |
| 127 | function: |
| 128 | const: pcie rst |
| 129 | then: |
| 130 | properties: |
| 131 | groups: |
| 132 | enum: [pcie] |
| 133 | |
| 134 | - if: |
| 135 | properties: |
| 136 | function: |
| 137 | const: pcm |
| 138 | then: |
| 139 | properties: |
| 140 | groups: |
| 141 | enum: [uart2] |
| 142 | |
| 143 | - if: |
| 144 | properties: |
| 145 | function: |
| 146 | const: rgmii1 |
| 147 | then: |
| 148 | properties: |
| 149 | groups: |
| 150 | enum: [rgmii1] |
| 151 | |
| 152 | - if: |
| 153 | properties: |
| 154 | function: |
| 155 | const: rgmii2 |
| 156 | then: |
| 157 | properties: |
| 158 | groups: |
| 159 | enum: [rgmii2] |
| 160 | |
| 161 | - if: |
| 162 | properties: |
| 163 | function: |
| 164 | const: sdhci |
| 165 | then: |
| 166 | properties: |
| 167 | groups: |
| 168 | enum: [sdhci] |
| 169 | |
| 170 | - if: |
| 171 | properties: |
| 172 | function: |
| 173 | const: spdif2 |
| 174 | then: |
| 175 | properties: |
| 176 | groups: |
| 177 | enum: [uart2] |
| 178 | |
| 179 | - if: |
| 180 | properties: |
| 181 | function: |
| 182 | const: spdif3 |
| 183 | then: |
| 184 | properties: |
| 185 | groups: |
| 186 | enum: [uart3] |
| 187 | |
| 188 | - if: |
| 189 | properties: |
| 190 | function: |
| 191 | const: spi |
| 192 | then: |
| 193 | properties: |
| 194 | groups: |
| 195 | enum: [spi] |
| 196 | |
| 197 | - if: |
| 198 | properties: |
| 199 | function: |
| 200 | const: uart1 |
| 201 | then: |
| 202 | properties: |
| 203 | groups: |
| 204 | enum: [uart1] |
| 205 | |
| 206 | - if: |
| 207 | properties: |
| 208 | function: |
| 209 | const: uart2 |
| 210 | then: |
| 211 | properties: |
| 212 | groups: |
| 213 | enum: [uart2] |
| 214 | |
| 215 | - if: |
| 216 | properties: |
| 217 | function: |
| 218 | const: uart3 |
| 219 | then: |
| 220 | properties: |
| 221 | groups: |
| 222 | enum: [uart3] |
| 223 | |
| 224 | - if: |
| 225 | properties: |
| 226 | function: |
| 227 | const: wdt refclk |
| 228 | then: |
| 229 | properties: |
| 230 | groups: |
| 231 | enum: [wdt] |
| 232 | |
| 233 | - if: |
| 234 | properties: |
| 235 | function: |
| 236 | const: wdt rst |
| 237 | then: |
| 238 | properties: |
| 239 | groups: |
| 240 | enum: [wdt] |
| 241 | |
| 242 | allOf: |
| 243 | - $ref: pinctrl.yaml# |
| 244 | |
| 245 | required: |
| 246 | - compatible |
| 247 | |
| 248 | additionalProperties: false |
| 249 | |
| 250 | examples: |
| 251 | - | |
| 252 | pinctrl { |
| 253 | compatible = "ralink,mt7621-pinctrl"; |
| 254 | |
| 255 | i2c_pins: i2c0-pins { |
| 256 | pinmux { |
| 257 | groups = "i2c"; |
| 258 | function = "i2c"; |
| 259 | }; |
| 260 | }; |
| 261 | }; |