xref: /freebsd/sys/contrib/device-tree/Bindings/power/supply/lp8727_charger.txt (revision 59c8e88e72633afbc47a4ace0d2170d00d51f7dc)
1Binding for TI/National Semiconductor LP8727 Charger
2
3Required properties:
4- compatible: "ti,lp8727"
5- reg: I2C slave address 27h
6
7Optional properties:
8- interrupts: interrupt specifier (see interrupt binding[0])
9- debounce-ms: interrupt debounce time. (u32)
10
11AC and USB charging parameters
12- charger-type: "ac" or "usb" (string)
13- eoc-level: value of 'enum lp8727_eoc_level' (u8)
14- charging-current: value of 'enum lp8727_ichg' (u8)
15
16[0]: Documentation/devicetree/bindings/interrupt-controller/interrupts.txt
17
18Example)
19
20lp8727@27 {
21	compatible = "ti,lp8727";
22	reg = <0x27>;
23
24	/* GPIO 134 is used for LP8728 interrupt pin */
25	interrupt-parent = <&gpio5>; 	/* base = 128 */
26	interrupts = <6 0x2>;		/* offset = 6, falling edge type */
27
28	debounce-ms = <300>;
29
30	/* AC charger: 5% EOC and 500mA charging current */
31	ac {
32		charger-type = "ac";
33		eoc-level = /bits/ 8 <0>;
34		charging-current = /bits/ 8 <4>;
35	};
36
37	/* USB charger: 10% EOC and 400mA charging current */
38	usb {
39		charger-type = "usb";
40		eoc-level = /bits/ 8 <1>;
41		charging-current = /bits/ 8 <2>;
42	};
43};
44