| Tom Rini | 6bb92fc | 2024-05-20 09:54:58 -0600 | [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/regulator/microchip,mcp16502.yaml# |
| 5 | $schema: http://devicetree.org/meta-schemas/core.yaml# |
| 6 | |
| 7 | title: MCP16502 - High-Performance PMIC |
| 8 | |
| 9 | maintainers: |
| 10 | - Andrei Simion <andrei.simion@microchip.com> |
| 11 | |
| 12 | description: |
| 13 | The MCP16502 is an optimally integrated PMIC compatible |
| 14 | with Microchip's eMPUs(Embedded Microprocessor Units), |
| 15 | requiring Dynamic Voltage Scaling (DVS) with the use |
| 16 | of High-Performance mode (HPM). |
| 17 | |
| 18 | properties: |
| 19 | compatible: |
| 20 | const: microchip,mcp16502 |
| 21 | |
| 22 | lpm-gpios: |
| 23 | maxItems: 1 |
| 24 | description: GPIO for LPM pin. |
| 25 | Note that this GPIO must remain high during |
| 26 | suspend-to-ram, keeping the PMIC into HIBERNATE mode. |
| 27 | |
| 28 | reg: |
| 29 | maxItems: 1 |
| 30 | |
| 31 | regulators: |
| 32 | type: object |
| 33 | additionalProperties: false |
| 34 | description: List of regulators and its properties. |
| 35 | |
| 36 | patternProperties: |
| 37 | "^(VDD_(IO|CORE|DDR|OTHER)|LDO[1-2])$": |
| 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 | }; |