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| 1 | +# SPDX-License-Identifier: GPL-2.0 |
| 2 | +%YAML 1.2 |
| 3 | +--- |
| 4 | +$id: http://devicetree.org/schemas/power/supply/charger-manager.yaml# |
| 5 | +$schema: http://devicetree.org/meta-schemas/core.yaml# |
| 6 | + |
| 7 | +title: Charger Manager |
| 8 | + |
| 9 | +maintainers: |
| 10 | + - Sebastian Reichel <[email protected]> |
| 11 | + |
| 12 | +description: | |
| 13 | + Binding for the legacy charger manager driver. |
| 14 | + Please do not use for new products. |
| 15 | +
|
| 16 | +properties: |
| 17 | + compatible: |
| 18 | + const: charger-manager |
| 19 | + |
| 20 | + cm-chargers: |
| 21 | + description: name of chargers |
| 22 | + $ref: /schemas/types.yaml#/definitions/string-array |
| 23 | + |
| 24 | + cm-num-chargers: |
| 25 | + $ref: /schemas/types.yaml#/definitions/uint32 |
| 26 | + deprecated: true |
| 27 | + |
| 28 | + cm-fuel-gauge: |
| 29 | + description: name of battery fuel gauge |
| 30 | + $ref: /schemas/types.yaml#/definitions/string |
| 31 | + |
| 32 | + cm-name: |
| 33 | + description: name of the charger manager |
| 34 | + default: battery |
| 35 | + $ref: /schemas/types.yaml#/definitions/string |
| 36 | + |
| 37 | + cm-poll-mode: |
| 38 | + description: polling mode |
| 39 | + default: 0 |
| 40 | + enum: |
| 41 | + - 0 # disabled |
| 42 | + - 1 # always |
| 43 | + - 2 # when external power is connected |
| 44 | + - 3 # when charging |
| 45 | + |
| 46 | + cm-poll-interval: |
| 47 | + description: polling interval (in ms) |
| 48 | + $ref: /schemas/types.yaml#/definitions/uint32 |
| 49 | + |
| 50 | + cm-battery-stat: |
| 51 | + description: battery status |
| 52 | + enum: |
| 53 | + - 0 # battery always present |
| 54 | + - 1 # no battery |
| 55 | + - 2 # check presence via fuel gauge |
| 56 | + - 3 # check presence via charger |
| 57 | + |
| 58 | + cm-fullbatt-vchkdrop-volt: |
| 59 | + description: voltage drop before restarting charging in uV |
| 60 | + $ref: /schemas/types.yaml#/definitions/uint32 |
| 61 | + |
| 62 | + cm-fullbatt-vchkdrop-ms: |
| 63 | + deprecated: true |
| 64 | + |
| 65 | + cm-fullbatt-voltage: |
| 66 | + description: voltage of full battery in uV |
| 67 | + $ref: /schemas/types.yaml#/definitions/uint32 |
| 68 | + |
| 69 | + cm-fullbatt-soc: |
| 70 | + description: state of charge to consider as full battery in % |
| 71 | + $ref: /schemas/types.yaml#/definitions/uint32 |
| 72 | + |
| 73 | + cm-fullbatt-capacity: |
| 74 | + description: capcity to consider as full battery in uAh |
| 75 | + $ref: /schemas/types.yaml#/definitions/uint32 |
| 76 | + |
| 77 | + cm-thermal-zone: |
| 78 | + description: name of external thermometer's thermal zone |
| 79 | + $ref: /schemas/types.yaml#/definitions/string |
| 80 | + |
| 81 | + cm-discharging-max: |
| 82 | + description: limits of discharging duration in ms |
| 83 | + $ref: /schemas/types.yaml#/definitions/uint32 |
| 84 | + |
| 85 | + cm-charging-max: |
| 86 | + description: limits of charging duration in ms |
| 87 | + $ref: /schemas/types.yaml#/definitions/uint32 |
| 88 | + |
| 89 | + cm-battery-cold: |
| 90 | + description: critical cold temperature of battery for charging in deci-degree celsius |
| 91 | + $ref: /schemas/types.yaml#/definitions/uint32 |
| 92 | + |
| 93 | + cm-battery-cold-in-minus: |
| 94 | + description: if set cm-battery-cold temperature is in minus degrees |
| 95 | + type: boolean |
| 96 | + |
| 97 | + cm-battery-hot: |
| 98 | + description: critical hot temperature of battery for charging in deci-degree celsius |
| 99 | + $ref: /schemas/types.yaml#/definitions/uint32 |
| 100 | + |
| 101 | + cm-battery-temp-diff: |
| 102 | + description: temperature difference to allow recharging in deci-degree celsius |
| 103 | + $ref: /schemas/types.yaml#/definitions/uint32 |
| 104 | + |
| 105 | +patternProperties: |
| 106 | + "-supply$": |
| 107 | + description: regulator consumer, named according to cm-regulator-name |
| 108 | + $ref: /schemas/types.yaml#/definitions/phandle |
| 109 | + |
| 110 | + "^regulator[@-][0-9]$": |
| 111 | + type: object |
| 112 | + properties: |
| 113 | + cm-regulator-name: |
| 114 | + description: name of charger regulator |
| 115 | + $ref: /schemas/types.yaml#/definitions/string |
| 116 | + |
| 117 | + required: |
| 118 | + - cm-regulator-name |
| 119 | + |
| 120 | + additionalProperties: false |
| 121 | + |
| 122 | + patternProperties: |
| 123 | + "^cable[@-][0-9]$": |
| 124 | + type: object |
| 125 | + properties: |
| 126 | + cm-cable-name: |
| 127 | + description: name of charger cable |
| 128 | + enum: |
| 129 | + - USB |
| 130 | + - USB-HOST |
| 131 | + - SDP |
| 132 | + - DCP |
| 133 | + - CDP |
| 134 | + - ACA |
| 135 | + - FAST-CHARGER |
| 136 | + - SLOW-CHARGER |
| 137 | + - WPT |
| 138 | + - PD |
| 139 | + - DOCK |
| 140 | + - JIG |
| 141 | + - MECHANICAL |
| 142 | + |
| 143 | + cm-cable-extcon: |
| 144 | + description: name of extcon dev |
| 145 | + $ref: /schemas/types.yaml#/definitions/string |
| 146 | + |
| 147 | + cm-cable-min: |
| 148 | + description: minimum current of cable in uA |
| 149 | + $ref: /schemas/types.yaml#/definitions/uint32 |
| 150 | + |
| 151 | + cm-cable-max: |
| 152 | + description: maximum current of cable in uA |
| 153 | + $ref: /schemas/types.yaml#/definitions/uint32 |
| 154 | + |
| 155 | + required: |
| 156 | + - cm-cable-name |
| 157 | + - cm-cable-extcon |
| 158 | + |
| 159 | + additionalProperties: false |
| 160 | + |
| 161 | +required: |
| 162 | + - compatible |
| 163 | + - cm-chargers |
| 164 | + - cm-fuel-gauge |
| 165 | + |
| 166 | +additionalProperties: false |
| 167 | + |
| 168 | +examples: |
| 169 | + - | |
| 170 | + charger-manager { |
| 171 | + compatible = "charger-manager"; |
| 172 | + chg-reg-supply = <&charger_regulator>; |
| 173 | +
|
| 174 | + cm-name = "battery"; |
| 175 | + /* Always polling ON : 30s */ |
| 176 | + cm-poll-mode = <1>; |
| 177 | + cm-poll-interval = <30000>; |
| 178 | +
|
| 179 | + cm-fullbatt-vchkdrop-volt = <150000>; |
| 180 | + cm-fullbatt-soc = <100>; |
| 181 | +
|
| 182 | + cm-battery-stat = <3>; |
| 183 | +
|
| 184 | + cm-chargers = "charger0", "charger1", "charger2"; |
| 185 | +
|
| 186 | + cm-fuel-gauge = "fuelgauge0"; |
| 187 | +
|
| 188 | + cm-thermal-zone = "thermal_zone.1"; |
| 189 | + /* in deci centigrade */ |
| 190 | + cm-battery-cold = <50>; |
| 191 | + cm-battery-cold-in-minus; |
| 192 | + cm-battery-hot = <800>; |
| 193 | + cm-battery-temp-diff = <100>; |
| 194 | +
|
| 195 | + /* Allow charging for 5hr */ |
| 196 | + cm-charging-max = <18000000>; |
| 197 | + /* Allow discharging for 2hr */ |
| 198 | + cm-discharging-max = <7200000>; |
| 199 | +
|
| 200 | + regulator-0 { |
| 201 | + cm-regulator-name = "chg-reg"; |
| 202 | + cable-0 { |
| 203 | + cm-cable-name = "USB"; |
| 204 | + cm-cable-extcon = "extcon-dev.0"; |
| 205 | + cm-cable-min = <475000>; |
| 206 | + cm-cable-max = <500000>; |
| 207 | + }; |
| 208 | + cable-1 { |
| 209 | + cm-cable-name = "SDP"; |
| 210 | + cm-cable-extcon = "extcon-dev.0"; |
| 211 | + cm-cable-min = <650000>; |
| 212 | + cm-cable-max = <675000>; |
| 213 | + }; |
| 214 | + }; |
| 215 | + }; |
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