diff options
Diffstat (limited to 'Documentation/devicetree/bindings/power_supply')
12 files changed, 240 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/power_supply/ab8500/btemp.txt b/Documentation/devicetree/bindings/power_supply/ab8500/btemp.txt new file mode 100644 index 000000000..0ba1bcc7f --- /dev/null +++ b/Documentation/devicetree/bindings/power_supply/ab8500/btemp.txt @@ -0,0 +1,16 @@ +=== AB8500 Battery Temperature Monitor Driver === + +The properties below describes the node for btemp driver. + +Required Properties: +- compatible = Shall be: "stericsson,ab8500-btemp" +- battery = Shall be battery specific information + + Example: + ab8500_btemp { + compatible = "stericsson,ab8500-btemp"; + battery = <&ab8500_battery>; + }; + +For information on battery specific node, Ref: +Documentation/devicetree/bindings/power_supply/ab8500/fg.txt diff --git a/Documentation/devicetree/bindings/power_supply/ab8500/chargalg.txt b/Documentation/devicetree/bindings/power_supply/ab8500/chargalg.txt new file mode 100644 index 000000000..ef5328371 --- /dev/null +++ b/Documentation/devicetree/bindings/power_supply/ab8500/chargalg.txt @@ -0,0 +1,16 @@ +=== AB8500 Charging Algorithm Driver === + +The properties below describes the node for chargalg driver. + +Required Properties: +- compatible = Shall be: "stericsson,ab8500-chargalg" +- battery = Shall be battery specific information + +Example: +ab8500_chargalg { + compatible = "stericsson,ab8500-chargalg"; + battery = <&ab8500_battery>; +}; + +For information on battery specific node, Ref: +Documentation/devicetree/bindings/power_supply/ab8500/fg.txt diff --git a/Documentation/devicetree/bindings/power_supply/ab8500/charger.txt b/Documentation/devicetree/bindings/power_supply/ab8500/charger.txt new file mode 100644 index 000000000..6bdbb08ea --- /dev/null +++ b/Documentation/devicetree/bindings/power_supply/ab8500/charger.txt @@ -0,0 +1,25 @@ +=== AB8500 Charger Driver === + +Required Properties: +- compatible = Shall be "stericsson,ab8500-charger" +- battery = Shall be battery specific information + Example: + ab8500_charger { + compatible = "stericsson,ab8500-charger"; + battery = <&ab8500_battery>; + }; + +- vddadc-supply: Supply for USB and Main charger + Example: + ab8500-charger { + vddadc-supply = <&ab8500_ldo_tvout_reg>; + } +- autopower_cfg: + Boolean value depicting the presence of 'automatic poweron after powerloss' + Example: + ab8500-charger { + autopower_cfg; + }; + +For information on battery specific node, Ref: +Documentation/devicetree/bindings/power_supply/ab8500/fg.txt diff --git a/Documentation/devicetree/bindings/power_supply/ab8500/fg.txt b/Documentation/devicetree/bindings/power_supply/ab8500/fg.txt new file mode 100644 index 000000000..ccafcb911 --- /dev/null +++ b/Documentation/devicetree/bindings/power_supply/ab8500/fg.txt @@ -0,0 +1,58 @@ +=== AB8500 Fuel Gauge Driver === + +AB8500 is a mixed signal multimedia and power management +device comprising: power and energy-management-module, +wall-charger, usb-charger, audio codec, general purpose adc, +tvout, clock management and sim card interface. + +Fuelgauge support is part of energy-management-modules, other +components of this module are: +main-charger, usb-combo-charger and battery-temperature-monitoring. + +The properties below describes the node for fuelgauge driver. + +Required Properties: +- compatible = This shall be: "stericsson,ab8500-fg" +- battery = Shall be battery specific information + Example: + ab8500_fg { + compatible = "stericsson,ab8500-fg"; + battery = <&ab8500_battery>; + }; + +dependent node: + ab8500_battery: ab8500_battery { + }; + This node will provide information on 'thermistor interface' and + 'battery technology type' used. + +Properties of this node are: +thermistor-on-batctrl: + A boolean value indicating thermistor interface to battery + + Note: + 'btemp' and 'batctrl' are the pins interfaced for battery temperature + measurement, 'btemp' signal is used when NTC(negative temperature + coefficient) resister is interfaced external to battery whereas + 'batctrl' pin is used when NTC resister is internal to battery. + + Example: + ab8500_battery: ab8500_battery { + thermistor-on-batctrl; + }; + indicates: NTC resister is internal to battery, 'batctrl' is used + for thermal measurement. + + The absence of property 'thermal-on-batctrl' indicates + NTC resister is external to battery and 'btemp' signal is used + for thermal measurement. + +battery-type: + This shall be the battery manufacturing technology type, + allowed types are: + "UNKNOWN" "NiMH" "LION" "LIPO" "LiFe" "NiCd" "LiMn" + Example: + ab8500_battery: ab8500_battery { + stericsson,battery-type = "LIPO"; + } + diff --git a/Documentation/devicetree/bindings/power_supply/max17042_battery.txt b/Documentation/devicetree/bindings/power_supply/max17042_battery.txt new file mode 100644 index 000000000..5bc9b685c --- /dev/null +++ b/Documentation/devicetree/bindings/power_supply/max17042_battery.txt @@ -0,0 +1,18 @@ +max17042_battery +~~~~~~~~~~~~~~~~ + +Required properties : + - compatible : "maxim,max17042" + +Optional properties : + - maxim,rsns-microohm : Resistance of rsns resistor in micro Ohms + (datasheet-recommended value is 10000). + Defining this property enables current-sense functionality. + +Example: + + battery-charger@36 { + compatible = "maxim,max17042"; + reg = <0x36>; + maxim,rsns-microohm = <10000>; + }; diff --git a/Documentation/devicetree/bindings/power_supply/max8925_batter.txt b/Documentation/devicetree/bindings/power_supply/max8925_batter.txt new file mode 100644 index 000000000..d7e3e0c0f --- /dev/null +++ b/Documentation/devicetree/bindings/power_supply/max8925_batter.txt @@ -0,0 +1,18 @@ +max8925-battery bindings +~~~~~~~~~~~~~~~~ + +Optional properties : + - batt-detect: whether support battery detect + - topoff-threshold: set charging current in topoff mode + - fast-charge: set charging current in fast mode + - no-temp-support: whether support temperature protection detect + - no-insert-detect: whether support insert detect + +Example: + charger { + batt-detect = <0>; + topoff-threshold = <1>; + fast-charge = <7>; + no-temp-support = <0>; + no-insert-detect = <0>; + }; diff --git a/Documentation/devicetree/bindings/power_supply/olpc_battery.txt b/Documentation/devicetree/bindings/power_supply/olpc_battery.txt new file mode 100644 index 000000000..c8901b399 --- /dev/null +++ b/Documentation/devicetree/bindings/power_supply/olpc_battery.txt @@ -0,0 +1,5 @@ +OLPC battery +~~~~~~~~~~~~ + +Required properties: + - compatible : "olpc,xo1-battery" diff --git a/Documentation/devicetree/bindings/power_supply/power_supply.txt b/Documentation/devicetree/bindings/power_supply/power_supply.txt new file mode 100644 index 000000000..8391bfa0e --- /dev/null +++ b/Documentation/devicetree/bindings/power_supply/power_supply.txt @@ -0,0 +1,23 @@ +Power Supply Core Support + +Optional Properties: + - power-supplies : This property is added to a supply in order to list the + devices which supply it power, referenced by their phandles. + +Example: + + usb-charger: power@e { + compatible = "some,usb-charger"; + ... + }; + + ac-charger: power@c { + compatible = "some,ac-charger"; + ... + }; + + battery@b { + compatible = "some,battery"; + ... + power-supplies = <&usb-charger>, <&ac-charger>; + }; diff --git a/Documentation/devicetree/bindings/power_supply/qnap-poweroff.txt b/Documentation/devicetree/bindings/power_supply/qnap-poweroff.txt new file mode 100644 index 000000000..0347d8350 --- /dev/null +++ b/Documentation/devicetree/bindings/power_supply/qnap-poweroff.txt @@ -0,0 +1,13 @@ +* QNAP Power Off + +QNAP NAS devices have a microcontroller controlling the main power +supply. This microcontroller is connected to UART1 of the Kirkwood and +Orion5x SoCs. Sending the character 'A', at 19200 baud, tells the +microcontroller to turn the power off. This driver adds a handler to +pm_power_off which is called to turn the power off. + +Required Properties: +- compatible: Should be "qnap,power-off" + +- reg: Address and length of the register set for UART1 +- clocks: tclk clock diff --git a/Documentation/devicetree/bindings/power_supply/restart-poweroff.txt b/Documentation/devicetree/bindings/power_supply/restart-poweroff.txt new file mode 100644 index 000000000..5776e684a --- /dev/null +++ b/Documentation/devicetree/bindings/power_supply/restart-poweroff.txt @@ -0,0 +1,8 @@ +* Restart Power Off + +Buffalo Linkstation LS-XHL and LS-CHLv2, and other devices power off +by restarting and letting u-boot keep hold of the machine until the +user presses a button. + +Required Properties: +- compatible: Should be "restart-poweroff" diff --git a/Documentation/devicetree/bindings/power_supply/sbs_sbs-battery.txt b/Documentation/devicetree/bindings/power_supply/sbs_sbs-battery.txt new file mode 100644 index 000000000..c40e8926f --- /dev/null +++ b/Documentation/devicetree/bindings/power_supply/sbs_sbs-battery.txt @@ -0,0 +1,23 @@ +SBS sbs-battery +~~~~~~~~~~ + +Required properties : + - compatible : "sbs,sbs-battery" + +Optional properties : + - sbs,i2c-retry-count : The number of times to retry i2c transactions on i2c + IO failure. + - sbs,poll-retry-count : The number of times to try looking for new status + after an external change notification. + - sbs,battery-detect-gpios : The gpio which signals battery detection and + a flag specifying its polarity. + +Example: + + bq20z75@b { + compatible = "sbs,sbs-battery"; + reg = < 0xb >; + sbs,i2c-retry-count = <2>; + sbs,poll-retry-count = <10>; + sbs,battery-detect-gpios = <&gpio-controller 122 1>; + } diff --git a/Documentation/devicetree/bindings/power_supply/tps65090.txt b/Documentation/devicetree/bindings/power_supply/tps65090.txt new file mode 100644 index 000000000..8e5e0d391 --- /dev/null +++ b/Documentation/devicetree/bindings/power_supply/tps65090.txt @@ -0,0 +1,17 @@ +TPS65090 Frontend PMU with Switchmode Charger + +Required Properties: +-compatible: "ti,tps65090-charger" + +Optional Properties: +-ti,enable-low-current-chrg: Enables charging when a low current is detected + while the default logic is to stop charging. + +This node is a subnode of the tps65090 PMIC. + +Example: + + tps65090-charger { + compatible = "ti,tps65090-charger"; + ti,enable-low-current-chrg; + }; |