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Documentation / devicetree / bindings / power_supply / charger-manager.txt




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Based on kernel version 3.16. Page generated on 2014-08-06 21:37 EST.

1	charger-manager bindings
2	~~~~~~~~~~~~~~~~~~~~~~~~
3	
4	Required properties :
5	 - compatible : "charger-manager"
6	 - <>-supply : for regulator consumer
7	 - cm-num-chargers : number of chargers
8	 - cm-chargers : name of chargers
9	 - cm-fuel-gauge : name of battery fuel gauge
10	 - subnode <regulator> :
11		- cm-regulator-name : name of charger regulator
12		- subnode <cable> :
13			- cm-cable-name : name of charger cable
14			- cm-cable-extcon : name of extcon dev
15	(optional)	- cm-cable-min : minimum current of cable
16	(optional)	- cm-cable-max : maximum current of cable
17	
18	Optional properties :
19	 - cm-name : charger manager's name (default : "battery")
20	 - cm-poll-mode : polling mode (enum polling_modes)
21	 - cm-poll-interval : polling interval
22	 - cm-battery-stat : battery status (enum data_source)
23	 - cm-fullbatt-* : data for full battery checking
24	 - cm-thermal-zone : name of external thermometer's thermal zone
25	 - cm-battery-* : threshold battery temperature for charging
26		-cold : critical cold temperature of battery for charging
27		-cold-in-minus : flag that cold temerature is in minus degree
28		-hot : critical hot temperature of battery for charging
29		-temp-diff : temperature difference to allow recharging
30	 - cm-dis/charging-max = limits of charging duration
31	
32	Example :
33		charger-manager@0 {
34			compatible = "charger-manager";
35			chg-reg-supply = <&charger_regulator>;
36	
37			cm-name = "battery";
38			/* Always polling ON : 30s */
39			cm-poll-mode = <1>;
40			cm-poll-interval = <30000>;
41	
42			cm-fullbatt-vchkdrop-ms = <30000>;
43			cm-fullbatt-vchkdrop-volt = <150000>;
44			cm-fullbatt-soc = <100>;
45	
46			cm-battery-stat = <3>;
47	
48			cm-num-chargers = <3>;
49			cm-chargers = "charger0", "charger1", "charger2";
50	
51			cm-fuel-gauge = "fuelgauge0";
52	
53			cm-thermal-zone = "thermal_zone.1"
54			/* in deci centigrade */
55			cm-battery-cold = <50>;
56			cm-battery-cold-in-minus;
57			cm-battery-hot = <800>;
58			cm-battery-temp-diff = <100>;
59	
60			/* Allow charging for 5hr */
61			cm-charging-max = <18000000>;
62			/* Allow discharging for 2hr */
63			cm-discharging-max = <7200000>;
64	
65			regulator@0 {
66				cm-regulator-name = "chg-reg";
67				cable@0 {
68					cm-cable-name = "USB";
69					cm-cable-extcon = "extcon-dev.0";
70					cm-cable-min = <475000>;
71					cm-cable-max = <500000>;
72				};
73				cable@1 {
74					cm-cable-name = "TA";
75					cm-cable-extcon = "extcon-dev.0";
76					cm-cable-min = <650000>;
77					cm-cable-max = <675000>;
78				};
79			};
80	
81		};
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