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| 1 | +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause |
| 2 | +%YAML 1.2 |
| 3 | +--- |
| 4 | +$id: http://devicetree.org/schemas/mfd/rockchip,rk801.yaml# |
| 5 | +$schema: http://devicetree.org/meta-schemas/core.yaml# |
| 6 | + |
| 7 | +title: RK801 Power Management Integrated Circuit |
| 8 | + |
| 9 | +maintainers: |
| 10 | + - Joseph Chen <chenjh@rock-chips.com> |
| 11 | + |
| 12 | +description: | |
| 13 | + Rockchip RK801 series PMIC. This device consists of an i2c controlled MFD |
| 14 | + that includes multiple switchable regulators. |
| 15 | +
|
| 16 | +properties: |
| 17 | + compatible: |
| 18 | + enum: |
| 19 | + - rockchip,rk801 |
| 20 | + |
| 21 | + reg: |
| 22 | + maxItems: 1 |
| 23 | + |
| 24 | + interrupts: |
| 25 | + maxItems: 1 |
| 26 | + |
| 27 | + system-power-controller: |
| 28 | + type: boolean |
| 29 | + description: |
| 30 | + Telling whether or not this PMIC is controlling the system power. |
| 31 | + |
| 32 | + wakeup-source: |
| 33 | + type: boolean |
| 34 | + description: |
| 35 | + Device can be used as a wakeup source. |
| 36 | + |
| 37 | + vcc1-supply: |
| 38 | + description: |
| 39 | + The input supply for dcdc1. |
| 40 | + |
| 41 | + vcc2-supply: |
| 42 | + description: |
| 43 | + The input supply for dcdc2. |
| 44 | + |
| 45 | + vcc3-supply: |
| 46 | + description: |
| 47 | + The input supply for dcdc3. |
| 48 | + |
| 49 | + vcc4-supply: |
| 50 | + description: |
| 51 | + The input supply for dcdc4. |
| 52 | + |
| 53 | + vcc5-supply: |
| 54 | + description: |
| 55 | + The input supply for ldo1. |
| 56 | + |
| 57 | + vcc6-supply: |
| 58 | + description: |
| 59 | + The input supply for ldo2. |
| 60 | + |
| 61 | + vcc7-supply: |
| 62 | + description: |
| 63 | + The input supply for switch. |
| 64 | + |
| 65 | + regulators: |
| 66 | + type: object |
| 67 | + patternProperties: |
| 68 | + "^(dcdc[1-4]|ldo[1-2]|switch)$": |
| 69 | + type: object |
| 70 | + $ref: /schemas/regulator/regulator.yaml# |
| 71 | + unevaluatedProperties: false |
| 72 | + additionalProperties: false |
| 73 | + |
| 74 | +required: |
| 75 | + - compatible |
| 76 | + - reg |
| 77 | + - interrupts |
| 78 | + |
| 79 | +additionalProperties: false |
| 80 | + |
| 81 | +examples: |
| 82 | + - | |
| 83 | + #include <dt-bindings/pinctrl/rockchip.h> |
| 84 | + #include <dt-bindings/interrupt-controller/irq.h> |
| 85 | + #include <dt-bindings/gpio/gpio.h> |
| 86 | +
|
| 87 | + i2c { |
| 88 | + #address-cells = <1>; |
| 89 | + #size-cells = <0>; |
| 90 | +
|
| 91 | + rk801: pmic@27 { |
| 92 | + compatible = "rockchip,rk801"; |
| 93 | + reg = <0x27>; |
| 94 | + interrupt-parent = <&gpio0>; |
| 95 | + interrupts = <RK_PC0 IRQ_TYPE_LEVEL_LOW>; |
| 96 | + pinctrl-names = "default"; |
| 97 | + pinctrl-0 = <&pmic_int_l>; |
| 98 | + system-power-controller; |
| 99 | + wakeup-source; |
| 100 | +
|
| 101 | + vcc1-supply = <&vcc_sys>; |
| 102 | + vcc2-supply = <&vcc_sys>; |
| 103 | + vcc3-supply = <&vcc_sys>; |
| 104 | + vcc4-supply = <&vcc_sys>; |
| 105 | + vcc5-supply = <&vcc3v3_sys>; |
| 106 | + vcc6-supply = <&vcc3v3_sys>; |
| 107 | + vcc7-supply = <&vcc3v3_sys>; |
| 108 | +
|
| 109 | + regulators { |
| 110 | + vdd_cpu: dcdc1 { |
| 111 | + regulator-name = "vdd_cpu"; |
| 112 | + regulator-min-microvolt = <500000>; |
| 113 | + regulator-max-microvolt = <1500000>; |
| 114 | + regulator-initial-mode = <0x1>; |
| 115 | + regulator-boot-on; |
| 116 | + regulator-always-on; |
| 117 | + regulator-state-mem { |
| 118 | + regulator-mode = <0x2>; |
| 119 | + regulator-off-in-suspend; |
| 120 | + regulator-suspend-microvolt = <950000>; |
| 121 | + }; |
| 122 | + }; |
| 123 | +
|
| 124 | + vcc3v3_sys: dcdc2 { |
| 125 | + regulator-name = "vcc3v3_sys"; |
| 126 | + regulator-min-microvolt = <3300000>; |
| 127 | + regulator-max-microvolt = <3300000>; |
| 128 | + regulator-initial-mode = <0x1>; |
| 129 | + regulator-boot-on; |
| 130 | + regulator-always-on; |
| 131 | + regulator-state-mem { |
| 132 | + regulator-mode = <0x2>; |
| 133 | + regulator-on-in-suspend; |
| 134 | + regulator-suspend-microvolt = <3300000>; |
| 135 | + }; |
| 136 | + }; |
| 137 | +
|
| 138 | + vcc_ddr: dcdc3 { |
| 139 | + regulator-name = "vcc_ddr"; |
| 140 | + regulator-boot-on; |
| 141 | + regulator-always-on; |
| 142 | + regulator-state-mem { |
| 143 | + regulator-mode = <0x2>; |
| 144 | + regulator-on-in-suspend; |
| 145 | + }; |
| 146 | + }; |
| 147 | +
|
| 148 | + vdd_logic: dcdc4 { |
| 149 | + regulator-name = "vdd_logic"; |
| 150 | + regulator-min-microvolt = <500000>; |
| 151 | + regulator-max-microvolt = <1500000>; |
| 152 | + regulator-initial-mode = <0x1>; |
| 153 | + regulator-boot-on; |
| 154 | + regulator-always-on; |
| 155 | + regulator-state-mem { |
| 156 | + regulator-mode = <0x2>; |
| 157 | + regulator-off-in-suspend; |
| 158 | + regulator-suspend-microvolt = <900000>; |
| 159 | + }; |
| 160 | + }; |
| 161 | +
|
| 162 | + vdd0v9_sys: ldo1 { |
| 163 | + regulator-name = "vdd0v9_sys"; |
| 164 | + regulator-min-microvolt = <900000>; |
| 165 | + regulator-max-microvolt = <900000>; |
| 166 | + regulator-boot-on; |
| 167 | + regulator-always-on; |
| 168 | + regulator-state-mem { |
| 169 | + regulator-off-in-suspend; |
| 170 | + regulator-suspend-microvolt = <900000>; |
| 171 | + }; |
| 172 | + }; |
| 173 | +
|
| 174 | + vcc_1v8: ldo2 { |
| 175 | + regulator-name = "vcc_1v8"; |
| 176 | + regulator-min-microvolt = <1800000>; |
| 177 | + regulator-max-microvolt = <1800000>; |
| 178 | + regulator-boot-on; |
| 179 | + regulator-always-on; |
| 180 | + regulator-state-mem { |
| 181 | + regulator-off-in-suspend; |
| 182 | + regulator-suspend-microvolt = <1800000>; |
| 183 | + }; |
| 184 | + }; |
| 185 | +
|
| 186 | + vcc_3v3: switch { |
| 187 | + regulator-name = "vcc_3v3"; |
| 188 | + regulator-boot-on; |
| 189 | + regulator-always-on; |
| 190 | + regulator-state-mem { |
| 191 | + regulator-off-in-suspend; |
| 192 | + regulator-suspend-microvolt = <3300000>; |
| 193 | + }; |
| 194 | + }; |
| 195 | + }; |
| 196 | + }; |
| 197 | + }; |
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