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| 1 | +# SPDX-License-Identifier: GPL-2.0 |
| 2 | +%YAML 1.2 |
| 3 | +--- |
| 4 | +$id: http://devicetree.org/schemas/pinctrl/allwinner,sun4i-a10-pinctrl.yaml# |
| 5 | +$schema: http://devicetree.org/meta-schemas/core.yaml# |
| 6 | + |
| 7 | +title: Allwinner A10 Pin Controller Device Tree Bindings |
| 8 | + |
| 9 | +maintainers: |
| 10 | + - Chen-Yu Tsai <[email protected]> |
| 11 | + - Maxime Ripard <[email protected]> |
| 12 | + |
| 13 | +properties: |
| 14 | + "#gpio-cells": |
| 15 | + const: 3 |
| 16 | + description: |
| 17 | + GPIO consumers must use three arguments, first the number of the |
| 18 | + bank, then the pin number inside that bank, and finally the GPIO |
| 19 | + flags. |
| 20 | + |
| 21 | + "#interrupt-cells": |
| 22 | + const: 3 |
| 23 | + description: |
| 24 | + Interrupts consumers must use three arguments, first the number |
| 25 | + of the bank, then the pin number inside that bank, and finally |
| 26 | + the interrupts flags. |
| 27 | + |
| 28 | + compatible: |
| 29 | + enum: |
| 30 | + - allwinner,sun4i-a10-pinctrl |
| 31 | + - allwinner,sun5i-a10s-pinctrl |
| 32 | + - allwinner,sun5i-a13-pinctrl |
| 33 | + - allwinner,sun6i-a31-pinctrl |
| 34 | + - allwinner,sun6i-a31-r-pinctrl |
| 35 | + - allwinner,sun6i-a31s-pinctrl |
| 36 | + - allwinner,sun7i-a20-pinctrl |
| 37 | + - allwinner,sun8i-a23-pinctrl |
| 38 | + - allwinner,sun8i-a23-r-pinctrl |
| 39 | + - allwinner,sun8i-a33-pinctrl |
| 40 | + - allwinner,sun8i-a83t-pinctrl |
| 41 | + - allwinner,sun8i-a83t-r-pinctrl |
| 42 | + - allwinner,sun8i-h3-pinctrl |
| 43 | + - allwinner,sun8i-h3-r-pinctrl |
| 44 | + - allwinner,sun8i-r40-pinctrl |
| 45 | + - allwinner,sun8i-v3-pinctrl |
| 46 | + - allwinner,sun8i-v3s-pinctrl |
| 47 | + - allwinner,sun9i-a80-pinctrl |
| 48 | + - allwinner,sun9i-a80-r-pinctrl |
| 49 | + - allwinner,sun50i-a64-pinctrl |
| 50 | + - allwinner,sun50i-a64-r-pinctrl |
| 51 | + - allwinner,sun50i-h5-pinctrl |
| 52 | + - allwinner,sun50i-h6-pinctrl |
| 53 | + - allwinner,sun50i-h6-r-pinctrl |
| 54 | + - allwinner,suniv-f1c100s-pinctrl |
| 55 | + - nextthing,gr8-pinctrl |
| 56 | + |
| 57 | + reg: |
| 58 | + maxItems: 1 |
| 59 | + |
| 60 | + interrupts: |
| 61 | + minItems: 1 |
| 62 | + maxItems: 5 |
| 63 | + description: |
| 64 | + One interrupt per external interrupt bank supported on the |
| 65 | + controller, sorted by bank number ascending order. |
| 66 | + |
| 67 | + clocks: |
| 68 | + items: |
| 69 | + - description: Bus Clock |
| 70 | + - description: High Frequency Oscillator |
| 71 | + - description: Low Frequency Oscillator |
| 72 | + |
| 73 | + clock-names: |
| 74 | + items: |
| 75 | + - const: apb |
| 76 | + - const: hosc |
| 77 | + - const: losc |
| 78 | + |
| 79 | + resets: |
| 80 | + maxItems: 1 |
| 81 | + |
| 82 | + gpio-controller: true |
| 83 | + interrupt-controller: true |
| 84 | + gpio-line-names: true |
| 85 | + |
| 86 | + input-debounce: |
| 87 | + allOf: |
| 88 | + - $ref: /schemas/types.yaml#/definitions/uint32-array |
| 89 | + - minItems: 1 |
| 90 | + maxItems: 5 |
| 91 | + description: |
| 92 | + Debouncing periods in microseconds, one period per interrupt |
| 93 | + bank found in the controller |
| 94 | + |
| 95 | +patternProperties: |
| 96 | + # It's pretty scary, but the basic idea is that: |
| 97 | + # - One node name can start with either s- or r- for PRCM nodes, |
| 98 | + # - Then, the name itself can be any repetition of <string>- (to |
| 99 | + # accomodate with nodes like uart4-rts-cts-pins), where each |
| 100 | + # string can be either starting with 'p' but in a string longer |
| 101 | + # than 3, or something that doesn't start with 'p', |
| 102 | + # - Then, the bank name is optional and will be between pa and pg, |
| 103 | + # pl or pm. Some pins groups that have several options will have |
| 104 | + # the pin numbers then, |
| 105 | + # - Finally, the name will end with either -pin or pins. |
| 106 | + |
| 107 | + "^([rs]-)?(([a-z0-9]{3,}|[a-oq-z][a-z0-9]*?)?-)+?(p[a-ilm][0-9]*?-)??pins?$": |
| 108 | + type: object |
| 109 | + |
| 110 | + properties: |
| 111 | + pins: true |
| 112 | + function: true |
| 113 | + bias-disable: true |
| 114 | + bias-pull-up: true |
| 115 | + bias-pull-down: true |
| 116 | + |
| 117 | + drive-strength: |
| 118 | + allOf: |
| 119 | + - $ref: /schemas/types.yaml#/definitions/uint32 |
| 120 | + - enum: [ 10, 20, 30, 40 ] |
| 121 | + |
| 122 | + required: |
| 123 | + - pins |
| 124 | + - function |
| 125 | + |
| 126 | + additionalProperties: false |
| 127 | + |
| 128 | + "^vcc-p[a-hlm]-supply$": |
| 129 | + description: |
| 130 | + Power supplies for pin banks. |
| 131 | + |
| 132 | +required: |
| 133 | + - "#gpio-cells" |
| 134 | + - "#interrupt-cells" |
| 135 | + - compatible |
| 136 | + - reg |
| 137 | + - interrupts |
| 138 | + - clocks |
| 139 | + - clock-names |
| 140 | + - gpio-controller |
| 141 | + - interrupt-controller |
| 142 | + |
| 143 | +allOf: |
| 144 | + # FIXME: We should have the pin bank supplies here, but not a lot of |
| 145 | + # boards are defining it at the moment so it would generate a lot of |
| 146 | + # warnings. |
| 147 | + |
| 148 | + - if: |
| 149 | + properties: |
| 150 | + compatible: |
| 151 | + enum: |
| 152 | + - allwinner,sun9i-a80-pinctrl |
| 153 | + |
| 154 | + then: |
| 155 | + properties: |
| 156 | + interrupts: |
| 157 | + minItems: 5 |
| 158 | + maxItems: 5 |
| 159 | + |
| 160 | + else: |
| 161 | + if: |
| 162 | + properties: |
| 163 | + compatible: |
| 164 | + enum: |
| 165 | + - allwinner,sun6i-a31-pinctrl |
| 166 | + - allwinner,sun6i-a31s-pinctrl |
| 167 | + - allwinner,sun50i-h6-pinctrl |
| 168 | + |
| 169 | + then: |
| 170 | + properties: |
| 171 | + interrupts: |
| 172 | + minItems: 4 |
| 173 | + maxItems: 4 |
| 174 | + |
| 175 | + else: |
| 176 | + if: |
| 177 | + properties: |
| 178 | + compatible: |
| 179 | + enum: |
| 180 | + - allwinner,sun8i-a23-pinctrl |
| 181 | + - allwinner,sun8i-a83t-pinctrl |
| 182 | + - allwinner,sun50i-a64-pinctrl |
| 183 | + - allwinner,sun50i-h5-pinctrl |
| 184 | + - allwinner,suniv-f1c100s-pinctrl |
| 185 | + |
| 186 | + then: |
| 187 | + properties: |
| 188 | + interrupts: |
| 189 | + minItems: 3 |
| 190 | + maxItems: 3 |
| 191 | + |
| 192 | + else: |
| 193 | + if: |
| 194 | + properties: |
| 195 | + compatible: |
| 196 | + enum: |
| 197 | + - allwinner,sun6i-a31-r-pinctrl |
| 198 | + - allwinner,sun8i-a33-pinctrl |
| 199 | + - allwinner,sun8i-h3-pinctrl |
| 200 | + - allwinner,sun8i-v3-pinctrl |
| 201 | + - allwinner,sun8i-v3s-pinctrl |
| 202 | + - allwinner,sun9i-a80-r-pinctrl |
| 203 | + - allwinner,sun50i-h6-r-pinctrl |
| 204 | + |
| 205 | + then: |
| 206 | + properties: |
| 207 | + interrupts: |
| 208 | + minItems: 2 |
| 209 | + maxItems: 2 |
| 210 | + |
| 211 | + else: |
| 212 | + properties: |
| 213 | + interrupts: |
| 214 | + minItems: 1 |
| 215 | + maxItems: 1 |
| 216 | + |
| 217 | +additionalProperties: false |
| 218 | + |
| 219 | +examples: |
| 220 | + - | |
| 221 | + #include <dt-bindings/clock/sun5i-ccu.h> |
| 222 | +
|
| 223 | + pio: pinctrl@1c20800 { |
| 224 | + compatible = "allwinner,sun5i-a13-pinctrl"; |
| 225 | + reg = <0x01c20800 0x400>; |
| 226 | + interrupts = <28>; |
| 227 | + clocks = <&ccu CLK_APB0_PIO>, <&osc24M>, <&osc32k>; |
| 228 | + clock-names = "apb", "hosc", "losc"; |
| 229 | + gpio-controller; |
| 230 | + interrupt-controller; |
| 231 | + #interrupt-cells = <3>; |
| 232 | + #gpio-cells = <3>; |
| 233 | +
|
| 234 | + uart1_pe_pins: uart1-pe-pins { |
| 235 | + pins = "PE10", "PE11"; |
| 236 | + function = "uart1"; |
| 237 | + }; |
| 238 | +
|
| 239 | + uart1_pg_pins: uart1-pg-pins { |
| 240 | + pins = "PG3", "PG4"; |
| 241 | + function = "uart1"; |
| 242 | + }; |
| 243 | + }; |
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