xref: /OK3568_Linux_fs/kernel/Documentation/devicetree/bindings/w1/w1.txt (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593SmuzhiyunGeneric devicetree bindings for onewire (w1) busses
2*4882a593Smuzhiyun===================================================
3*4882a593Smuzhiyun
4*4882a593SmuzhiyunOnewire busses are described through nodes of their master bus controller.
5*4882a593SmuzhiyunSlave devices are listed as sub-nodes of such master devices. For now, only
6*4882a593Smuzhiyunone slave is allowed per bus master.
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8*4882a593Smuzhiyun
9*4882a593SmuzhiyunExample:
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11*4882a593Smuzhiyun	charger: charger {
12*4882a593Smuzhiyun		compatible = "gpio-charger";
13*4882a593Smuzhiyun		charger-type = "mains";
14*4882a593Smuzhiyun		gpios = <&gpio 1 GPIO_ACTIVE_LOW>;
15*4882a593Smuzhiyun	};
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17*4882a593Smuzhiyun	onewire {
18*4882a593Smuzhiyun		compatible = "w1-gpio";
19*4882a593Smuzhiyun		gpios = <&gpio 100 0>, <&gpio 101 0>;
20*4882a593Smuzhiyun
21*4882a593Smuzhiyun		battery {
22*4882a593Smuzhiyun			compatible = "maxim,ds2760";
23*4882a593Smuzhiyun			power-supplies = <&charger>;
24*4882a593Smuzhiyun		};
25*4882a593Smuzhiyun	};
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