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| 1 | +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause |
| 2 | +%YAML 1.2 |
| 3 | +--- |
| 4 | +$id: http://devicetree.org/schemas/regulator/microchip,mcp16502.yaml# |
| 5 | +$schema: http://devicetree.org/meta-schemas/core.yaml# |
| 6 | + |
| 7 | +title: MCP16502 - High-Performance PMIC |
| 8 | + |
| 9 | +maintainers: |
| 10 | + - Andrei Simion <[email protected]> |
| 11 | + |
| 12 | +description: |
| 13 | + The MCP16502 is an optimally integrated PMIC compatible |
| 14 | + with Microchip's eMPUs(Embedded Microprocessor Units), |
| 15 | + requiring Dynamic Voltage Scaling (DVS) with the use |
| 16 | + of High-Performance mode (HPM). |
| 17 | + |
| 18 | +properties: |
| 19 | + compatible: |
| 20 | + const: microchip,mcp16502 |
| 21 | + |
| 22 | + lpm-gpios: |
| 23 | + maxItems: 1 |
| 24 | + description: GPIO for LPM pin. |
| 25 | + Note that this GPIO must remain high during |
| 26 | + suspend-to-ram, keeping the PMIC into HIBERNATE mode. |
| 27 | + |
| 28 | + reg: |
| 29 | + maxItems: 1 |
| 30 | + |
| 31 | + regulators: |
| 32 | + type: object |
| 33 | + additionalProperties: false |
| 34 | + description: List of regulators and its properties. |
| 35 | + |
| 36 | + patternProperties: |
| 37 | + "^(VDD_(IO|CORE|DDR|OTHER)|LDO[1-2])$": |
| 38 | + type: object |
| 39 | + $ref: regulator.yaml# |
| 40 | + unevaluatedProperties: false |
| 41 | + |
| 42 | + properties: |
| 43 | + regulator-initial-mode: |
| 44 | + enum: [2, 4] |
| 45 | + default: 2 |
| 46 | + description: Initial operating mode |
| 47 | + |
| 48 | + regulator-allowed-modes: |
| 49 | + items: |
| 50 | + enum: [2, 4] |
| 51 | + description: Supported modes |
| 52 | + 2 - FPWM higher precision, higher consumption |
| 53 | + 4 - AutoPFM lower precision, lower consumption |
| 54 | + |
| 55 | +required: |
| 56 | + - compatible |
| 57 | + - reg |
| 58 | + - regulators |
| 59 | + |
| 60 | +additionalProperties: false |
| 61 | + |
| 62 | +examples: |
| 63 | + - | |
| 64 | + i2c { |
| 65 | + #address-cells = <1>; |
| 66 | + #size-cells = <0>; |
| 67 | +
|
| 68 | + pmic@5b { |
| 69 | + compatible = "microchip,mcp16502"; |
| 70 | + reg = <0x5b>; |
| 71 | +
|
| 72 | + regulators { |
| 73 | + VDD_IO { |
| 74 | + regulator-name = "VDD_IO"; |
| 75 | + regulator-min-microvolt = <3300000>; |
| 76 | + regulator-max-microvolt = <3300000>; |
| 77 | + regulator-initial-mode = <2>; |
| 78 | + regulator-allowed-modes = <2>, <4>; |
| 79 | + regulator-always-on; |
| 80 | +
|
| 81 | + regulator-state-standby { |
| 82 | + regulator-on-in-suspend; |
| 83 | + regulator-mode = <4>; |
| 84 | + }; |
| 85 | +
|
| 86 | + regulator-state-mem { |
| 87 | + regulator-off-in-suspend; |
| 88 | + regulator-mode = <4>; |
| 89 | + }; |
| 90 | + }; |
| 91 | +
|
| 92 | + VDD_DDR { |
| 93 | + regulator-name = "VDD_DDR"; |
| 94 | + regulator-min-microvolt = <1350000>; |
| 95 | + regulator-max-microvolt = <1350000>; |
| 96 | + regulator-initial-mode = <2>; |
| 97 | + regulator-allowed-modes = <2>, <4>; |
| 98 | + regulator-always-on; |
| 99 | +
|
| 100 | + regulator-state-standby { |
| 101 | + regulator-on-in-suspend; |
| 102 | + regulator-mode = <4>; |
| 103 | + }; |
| 104 | +
|
| 105 | + regulator-state-mem { |
| 106 | + regulator-on-in-suspend; |
| 107 | + regulator-mode = <4>; |
| 108 | + }; |
| 109 | + }; |
| 110 | +
|
| 111 | + VDD_CORE { |
| 112 | + regulator-name = "VDD_CORE"; |
| 113 | + regulator-min-microvolt = <1150000>; |
| 114 | + regulator-max-microvolt = <1150000>; |
| 115 | + regulator-initial-mode = <2>; |
| 116 | + regulator-allowed-modes = <2>, <4>; |
| 117 | + regulator-always-on; |
| 118 | +
|
| 119 | + regulator-state-standby { |
| 120 | + regulator-on-in-suspend; |
| 121 | + regulator-mode = <4>; |
| 122 | + }; |
| 123 | +
|
| 124 | + regulator-state-mem { |
| 125 | + regulator-off-in-suspend; |
| 126 | + regulator-mode = <4>; |
| 127 | + }; |
| 128 | + }; |
| 129 | +
|
| 130 | + VDD_OTHER { |
| 131 | + regulator-name = "VDD_OTHER"; |
| 132 | + regulator-min-microvolt = <1050000>; |
| 133 | + regulator-max-microvolt = <1250000>; |
| 134 | + regulator-initial-mode = <2>; |
| 135 | + regulator-allowed-modes = <2>, <4>; |
| 136 | + regulator-always-on; |
| 137 | +
|
| 138 | + regulator-state-standby { |
| 139 | + regulator-on-in-suspend; |
| 140 | + regulator-mode = <4>; |
| 141 | + }; |
| 142 | +
|
| 143 | + regulator-state-mem { |
| 144 | + regulator-off-in-suspend; |
| 145 | + regulator-mode = <4>; |
| 146 | + }; |
| 147 | + }; |
| 148 | +
|
| 149 | + LDO1 { |
| 150 | + regulator-name = "LDO1"; |
| 151 | + regulator-min-microvolt = <1800000>; |
| 152 | + regulator-max-microvolt = <1800000>; |
| 153 | + regulator-always-on; |
| 154 | +
|
| 155 | + regulator-state-standby { |
| 156 | + regulator-on-in-suspend; |
| 157 | + }; |
| 158 | +
|
| 159 | + regulator-state-mem { |
| 160 | + regulator-off-in-suspend; |
| 161 | + }; |
| 162 | + }; |
| 163 | +
|
| 164 | + LDO2 { |
| 165 | + regulator-name = "LDO2"; |
| 166 | + regulator-min-microvolt = <1200000>; |
| 167 | + regulator-max-microvolt = <3700000>; |
| 168 | + regulator-always-on; |
| 169 | +
|
| 170 | + regulator-state-standby { |
| 171 | + regulator-on-in-suspend; |
| 172 | + }; |
| 173 | +
|
| 174 | + regulator-state-mem { |
| 175 | + regulator-off-in-suspend; |
| 176 | + }; |
| 177 | + }; |
| 178 | + }; |
| 179 | + }; |
| 180 | + }; |
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