projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 17b4565b KM |
1 | Binding for TI/National Semiconductor LP8727 Charger |
| 2 | ||
| 3 | Required properties: | |
| 4 | - compatible: "ti,lp8727" | |
| 5 | - reg: I2C slave address 27h | |
| 6 | ||
| 7 | Optional properties: | |
| 8 | - interrupt-parent: interrupt controller node (see interrupt binding[0]) | |
| 9 | - interrupts: interrupt specifier (see interrupt binding[0]) | |
| 10 | - debounce-ms: interrupt debounce time. (u32) | |
| 11 | ||
| 12 | AC and USB charging parameters | |
| 13 | - charger-type: "ac" or "usb" (string) | |
| 14 | - eoc-level: value of 'enum lp8727_eoc_level' (u8) | |
| 15 | - charging-current: value of 'enum lp8727_ichg' (u8) | |
| 16 | ||
| 17 | [0]: Documentation/devicetree/bindings/interrupt-controller/interrupts.txt | |
| 18 | ||
| 19 | Example) | |
| 20 | ||
| 21 | lp8727@27 { | |
| 22 | compatible = "ti,lp8727"; | |
| 23 | reg = <0x27>; | |
| 24 | ||
| 25 | /* GPIO 134 is used for LP8728 interrupt pin */ | |
| 26 | interrupt-parent = <&gpio5>; /* base = 128 */ | |
| 27 | interrupts = <6 0x2>; /* offset = 6, falling edge type */ | |
| 28 | ||
| 29 | debounce-ms = <300>; | |
| 30 | ||
| 31 | /* AC charger: 5% EOC and 500mA charging current */ | |
| 32 | ac { | |
| 33 | charger-type = "ac"; | |
| 34 | eoc-level = /bits/ 8 <0>; | |
| 35 | charging-current = /bits/ 8 <4>; | |
| 36 | }; | |
| 37 | ||
| 38 | /* USB charger: 10% EOC and 400mA charging current */ | |
| 39 | usb { | |
| 40 | charger-type = "usb"; | |
| 41 | eoc-level = /bits/ 8 <1>; | |
| 42 | charging-current = /bits/ 8 <2>; | |
| 43 | }; | |
| 44 | }; |