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| 1 | +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause |
| 2 | +%YAML 1.2 |
| 3 | +--- |
| 4 | +$id: http://devicetree.org/schemas/mfd/rockchip,rk816.yaml# |
| 5 | +$schema: http://devicetree.org/meta-schemas/core.yaml# |
| 6 | + |
| 7 | +title: RK816 Power Management Integrated Circuit |
| 8 | + |
| 9 | +maintainers: |
| 10 | + - Chris Zhong <zyw@rock-chips.com> |
| 11 | + - Zhang Qing <zhangqing@rock-chips.com> |
| 12 | + |
| 13 | +description: |
| 14 | + Rockchip RK816 series PMIC. This device consists of an i2c controlled MFD |
| 15 | + that includes regulators, a RTC, a GPIO controller, a power button, and a |
| 16 | + battery charger manager with fuel gauge. |
| 17 | + |
| 18 | +properties: |
| 19 | + compatible: |
| 20 | + enum: |
| 21 | + - rockchip,rk816 |
| 22 | + |
| 23 | + reg: |
| 24 | + maxItems: 1 |
| 25 | + |
| 26 | + interrupts: |
| 27 | + maxItems: 1 |
| 28 | + |
| 29 | + '#clock-cells': |
| 30 | + description: |
| 31 | + See <dt-bindings/clock/rockchip,rk808.h> for clock IDs. |
| 32 | + const: 1 |
| 33 | + |
| 34 | + clock-output-names: |
| 35 | + maxItems: 2 |
| 36 | + |
| 37 | + gpio-controller: true |
| 38 | + |
| 39 | + '#gpio-cells': |
| 40 | + const: 2 |
| 41 | + |
| 42 | + system-power-controller: |
| 43 | + type: boolean |
| 44 | + description: |
| 45 | + Telling whether or not this PMIC is controlling the system power. |
| 46 | + |
| 47 | + wakeup-source: |
| 48 | + type: boolean |
| 49 | + |
| 50 | + vcc1-supply: |
| 51 | + description: |
| 52 | + The input supply for dcdc1. |
| 53 | + |
| 54 | + vcc2-supply: |
| 55 | + description: |
| 56 | + The input supply for dcdc2. |
| 57 | + |
| 58 | + vcc3-supply: |
| 59 | + description: |
| 60 | + The input supply for dcdc3. |
| 61 | + |
| 62 | + vcc4-supply: |
| 63 | + description: |
| 64 | + The input supply for dcdc4. |
| 65 | + |
| 66 | + vcc5-supply: |
| 67 | + description: |
| 68 | + The input supply for ldo1, ldo2, and ldo3. |
| 69 | + |
| 70 | + vcc6-supply: |
| 71 | + description: |
| 72 | + The input supply for ldo4, ldo5, and ldo6. |
| 73 | + |
| 74 | + vcc7-supply: |
| 75 | + description: |
| 76 | + The input supply for boost. |
| 77 | + |
| 78 | + vcc8-supply: |
| 79 | + description: |
| 80 | + The input supply for otg-switch. |
| 81 | + |
| 82 | + regulators: |
| 83 | + type: object |
| 84 | + patternProperties: |
| 85 | + '^(boost|dcdc[1-4]|ldo[1-6]|otg-switch)$': |
| 86 | + type: object |
| 87 | + $ref: /schemas/regulator/regulator.yaml# |
| 88 | + unevaluatedProperties: false |
| 89 | + additionalProperties: false |
| 90 | + |
| 91 | +patternProperties: |
| 92 | + '-pins$': |
| 93 | + type: object |
| 94 | + additionalProperties: false |
| 95 | + $ref: /schemas/pinctrl/pinmux-node.yaml |
| 96 | + |
| 97 | + properties: |
| 98 | + function: |
| 99 | + enum: [gpio, thermistor] |
| 100 | + |
| 101 | + pins: |
| 102 | + $ref: /schemas/types.yaml#/definitions/string |
| 103 | + const: gpio0 |
| 104 | + |
| 105 | +required: |
| 106 | + - compatible |
| 107 | + - reg |
| 108 | + - interrupts |
| 109 | + - '#clock-cells' |
| 110 | + |
| 111 | +additionalProperties: false |
| 112 | + |
| 113 | +examples: |
| 114 | + - | |
| 115 | + #include <dt-bindings/pinctrl/rockchip.h> |
| 116 | + #include <dt-bindings/interrupt-controller/irq.h> |
| 117 | + #include <dt-bindings/gpio/gpio.h> |
| 118 | +
|
| 119 | + i2c { |
| 120 | + #address-cells = <1>; |
| 121 | + #size-cells = <0>; |
| 122 | +
|
| 123 | + rk816: pmic@1a { |
| 124 | + compatible = "rockchip,rk816"; |
| 125 | + reg = <0x1a>; |
| 126 | + interrupt-parent = <&gpio0>; |
| 127 | + interrupts = <RK_PA2 IRQ_TYPE_LEVEL_LOW>; |
| 128 | + clock-output-names = "xin32k", "rk816-clkout2"; |
| 129 | + pinctrl-names = "default"; |
| 130 | + pinctrl-0 = <&pmic_int_l>; |
| 131 | + gpio-controller; |
| 132 | + system-power-controller; |
| 133 | + wakeup-source; |
| 134 | + #clock-cells = <1>; |
| 135 | + #gpio-cells = <2>; |
| 136 | +
|
| 137 | + vcc1-supply = <&vcc_sys>; |
| 138 | + vcc2-supply = <&vcc_sys>; |
| 139 | + vcc3-supply = <&vcc_sys>; |
| 140 | + vcc4-supply = <&vcc_sys>; |
| 141 | + vcc5-supply = <&vcc33_io>; |
| 142 | + vcc6-supply = <&vcc_sys>; |
| 143 | +
|
| 144 | + regulators { |
| 145 | + vdd_cpu: dcdc1 { |
| 146 | + regulator-name = "vdd_cpu"; |
| 147 | + regulator-min-microvolt = <750000>; |
| 148 | + regulator-max-microvolt = <1450000>; |
| 149 | + regulator-ramp-delay = <6001>; |
| 150 | + regulator-initial-mode = <1>; |
| 151 | + regulator-always-on; |
| 152 | + regulator-boot-on; |
| 153 | +
|
| 154 | + regulator-state-mem { |
| 155 | + regulator-off-in-suspend; |
| 156 | + }; |
| 157 | + }; |
| 158 | +
|
| 159 | + vdd_logic: dcdc2 { |
| 160 | + regulator-name = "vdd_logic"; |
| 161 | + regulator-min-microvolt = <800000>; |
| 162 | + regulator-max-microvolt = <1250000>; |
| 163 | + regulator-ramp-delay = <6001>; |
| 164 | + regulator-initial-mode = <1>; |
| 165 | + regulator-always-on; |
| 166 | + regulator-boot-on; |
| 167 | +
|
| 168 | + regulator-state-mem { |
| 169 | + regulator-on-in-suspend; |
| 170 | + regulator-suspend-microvolt = <1000000>; |
| 171 | + }; |
| 172 | + }; |
| 173 | +
|
| 174 | + vcc_ddr: dcdc3 { |
| 175 | + regulator-name = "vcc_ddr"; |
| 176 | + regulator-initial-mode = <1>; |
| 177 | + regulator-always-on; |
| 178 | + regulator-boot-on; |
| 179 | +
|
| 180 | + regulator-state-mem { |
| 181 | + regulator-on-in-suspend; |
| 182 | + }; |
| 183 | + }; |
| 184 | +
|
| 185 | + vcc33_io: dcdc4 { |
| 186 | + regulator-min-microvolt = <3300000>; |
| 187 | + regulator-max-microvolt = <3300000>; |
| 188 | + regulator-name = "vcc33_io"; |
| 189 | + regulator-initial-mode = <1>; |
| 190 | + regulator-always-on; |
| 191 | + regulator-boot-on; |
| 192 | +
|
| 193 | + regulator-state-mem { |
| 194 | + regulator-on-in-suspend; |
| 195 | + regulator-suspend-microvolt = <3300000>; |
| 196 | + }; |
| 197 | + }; |
| 198 | +
|
| 199 | + vccio_pmu: ldo1 { |
| 200 | + regulator-min-microvolt = <3300000>; |
| 201 | + regulator-max-microvolt = <3300000>; |
| 202 | + regulator-name = "vccio_pmu"; |
| 203 | + regulator-always-on; |
| 204 | + regulator-boot-on; |
| 205 | +
|
| 206 | + regulator-state-mem { |
| 207 | + regulator-on-in-suspend; |
| 208 | + regulator-suspend-microvolt = <3300000>; |
| 209 | + }; |
| 210 | + }; |
| 211 | +
|
| 212 | + vcc_tp: ldo2 { |
| 213 | + regulator-min-microvolt = <3300000>; |
| 214 | + regulator-max-microvolt = <3300000>; |
| 215 | + regulator-name = "vcc_tp"; |
| 216 | +
|
| 217 | + regulator-state-mem { |
| 218 | + regulator-off-in-suspend; |
| 219 | + }; |
| 220 | + }; |
| 221 | +
|
| 222 | + vdd_10: ldo3 { |
| 223 | + regulator-min-microvolt = <1000000>; |
| 224 | + regulator-max-microvolt = <1000000>; |
| 225 | + regulator-name = "vdd_10"; |
| 226 | + regulator-always-on; |
| 227 | + regulator-boot-on; |
| 228 | +
|
| 229 | + regulator-state-mem { |
| 230 | + regulator-on-in-suspend; |
| 231 | + regulator-suspend-microvolt = <1000000>; |
| 232 | + }; |
| 233 | + }; |
| 234 | +
|
| 235 | + vcc18_lcd: ldo4 { |
| 236 | + regulator-min-microvolt = <1800000>; |
| 237 | + regulator-max-microvolt = <1800000>; |
| 238 | + regulator-name = "vcc18_lcd"; |
| 239 | +
|
| 240 | + regulator-state-mem { |
| 241 | + regulator-on-in-suspend; |
| 242 | + regulator-suspend-microvolt = <1800000>; |
| 243 | + }; |
| 244 | + }; |
| 245 | +
|
| 246 | + vccio_sd: ldo5 { |
| 247 | + regulator-min-microvolt = <1800000>; |
| 248 | + regulator-max-microvolt = <3300000>; |
| 249 | + regulator-name = "vccio_sd"; |
| 250 | +
|
| 251 | + regulator-state-mem { |
| 252 | + regulator-on-in-suspend; |
| 253 | + regulator-suspend-microvolt = <3300000>; |
| 254 | + }; |
| 255 | + }; |
| 256 | +
|
| 257 | + vdd10_lcd: ldo6 { |
| 258 | + regulator-min-microvolt = <1000000>; |
| 259 | + regulator-max-microvolt = <1000000>; |
| 260 | + regulator-name = "vdd10_lcd"; |
| 261 | +
|
| 262 | + regulator-state-mem { |
| 263 | + regulator-on-in-suspend; |
| 264 | + regulator-suspend-microvolt = <1000000>; |
| 265 | + }; |
| 266 | + }; |
| 267 | + }; |
| 268 | +
|
| 269 | + rk816_gpio_pins: gpio-pins { |
| 270 | + function = "gpio"; |
| 271 | + pins = "gpio0"; |
| 272 | + }; |
| 273 | + }; |
| 274 | + }; |
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