xref: /OK3568_Linux_fs/kernel/Documentation/devicetree/bindings/power/supply/act8945a-charger.txt (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593SmuzhiyunDevice-Tree bindings for charger of Active-semi ACT8945A Multi-Function Device
2*4882a593Smuzhiyun
3*4882a593SmuzhiyunRequired properties:
4*4882a593Smuzhiyun - compatible: "active-semi,act8945a-charger".
5*4882a593Smuzhiyun - active-semi,chglev-gpios: charge current level phandle with args
6*4882a593Smuzhiyun   as described in ../gpio/gpio.txt.
7*4882a593Smuzhiyun - active-semi,lbo-gpios: specify the low battery voltage detect phandle
8*4882a593Smuzhiyun   with args as as described in ../gpio/gpio.txt.
9*4882a593Smuzhiyun - interrupts: <a b> where a is the interrupt number and b is a
10*4882a593Smuzhiyun   field that represents an encoding of the sense and level
11*4882a593Smuzhiyun   information for the interrupt.
12*4882a593Smuzhiyun
13*4882a593SmuzhiyunOptional properties:
14*4882a593Smuzhiyun - active-semi,input-voltage-threshold-microvolt: unit: mV;
15*4882a593Smuzhiyun   Specifies the charger's input over-voltage threshold value;
16*4882a593Smuzhiyun   The value can be: 6600, 7000, 7500, 8000; default: 6600
17*4882a593Smuzhiyun - active-semi,precondition-timeout: unit: minutes;
18*4882a593Smuzhiyun   Specifies the charger's PRECONDITION safety timer setting value;
19*4882a593Smuzhiyun   The value can be: 40, 60, 80, 0; If 0, it means to disable this timer;
20*4882a593Smuzhiyun   default: 40.
21*4882a593Smuzhiyun - active-semi,total-timeout: unit: hours;
22*4882a593Smuzhiyun   Specifies the charger's total safety timer setting value;
23*4882a593Smuzhiyun   The value can be: 3, 4, 5, 0; If 0, it means to disable this timer;
24*4882a593Smuzhiyun   default: 3.
25*4882a593Smuzhiyun
26*4882a593SmuzhiyunExample:
27*4882a593Smuzhiyun	pmic@5b {
28*4882a593Smuzhiyun		compatible = "active-semi,act8945a";
29*4882a593Smuzhiyun		reg = <0x5b>;
30*4882a593Smuzhiyun
31*4882a593Smuzhiyun		charger {
32*4882a593Smuzhiyun			compatible = "active-semi,act8945a-charger";
33*4882a593Smuzhiyun			pinctrl-names = "default";
34*4882a593Smuzhiyun			pinctrl-0 = <&pinctrl_charger_chglev &pinctrl_charger_lbo &pinctrl_charger_irq>;
35*4882a593Smuzhiyun			interrupt-parent = <&pioA>;
36*4882a593Smuzhiyun			interrupts = <45 IRQ_TYPE_LEVEL_LOW>;
37*4882a593Smuzhiyun
38*4882a593Smuzhiyun			active-semi,chglev-gpios = <&pioA 12 GPIO_ACTIVE_HIGH>;
39*4882a593Smuzhiyun			active-semi,lbo-gpios = <&pioA 72 GPIO_ACTIVE_LOW>;
40*4882a593Smuzhiyun			active-semi,input-voltage-threshold-microvolt = <6600>;
41*4882a593Smuzhiyun			active-semi,precondition-timeout = <40>;
42*4882a593Smuzhiyun			active-semi,total-timeout = <3>;
43*4882a593Smuzhiyun		};
44*4882a593Smuzhiyun	};
45