diff options
Diffstat (limited to 'kernel/Documentation/devicetree/bindings/regulator/tps65090.txt')
| -rw-r--r-- | kernel/Documentation/devicetree/bindings/regulator/tps65090.txt | 126 |
1 files changed, 126 insertions, 0 deletions
diff --git a/kernel/Documentation/devicetree/bindings/regulator/tps65090.txt b/kernel/Documentation/devicetree/bindings/regulator/tps65090.txt new file mode 100644 index 000000000..ca69f5e30 --- /dev/null +++ b/kernel/Documentation/devicetree/bindings/regulator/tps65090.txt @@ -0,0 +1,126 @@ +TPS65090 regulators + +Required properties: +- compatible: "ti,tps65090" +- reg: I2C slave address +- interrupts: the interrupt outputs of the controller +- regulators: A node that houses a sub-node for each regulator within the + device. Each sub-node is identified using the node's name, with valid + values listed below. The content of each sub-node is defined by the + standard binding for regulators; see regulator.txt. + dcdc[1-3], fet[1-7] and ldo[1-2] respectively. +- vsys[1-3]-supply: The input supply for DCDC[1-3] respectively. +- infet[1-7]-supply: The input supply for FET[1-7] respectively. +- vsys-l[1-2]-supply: The input supply for LDO[1-2] respectively. + +Optional properties: +- ti,enable-ext-control: This is applicable for DCDC1, DCDC2 and DCDC3. + If DCDCs are externally controlled then this property should be there. +- "dcdc-ext-control-gpios: This is applicable for DCDC1, DCDC2 and DCDC3. + If DCDCs are externally controlled and if it is from GPIO then GPIO + number should be provided. If it is externally controlled and no GPIO + entry then driver will just configure this rails as external control + and will not provide any enable/disable APIs. +- ti,overcurrent-wait: This is applicable to FET registers, which have a + poorly defined "overcurrent wait" field. If this property is present it + should be between 0 - 3. If this property isn't present we won't touch the + "overcurrent wait" field and we'll leave it to the BIOS/EC to deal with. + +Each regulator is defined using the standard binding for regulators. + +Example: + + tps65090@48 { + compatible = "ti,tps65090"; + reg = <0x48>; + interrupts = <0 88 0x4>; + + vsys1-supply = <&some_reg>; + vsys2-supply = <&some_reg>; + vsys3-supply = <&some_reg>; + infet1-supply = <&some_reg>; + infet2-supply = <&some_reg>; + infet3-supply = <&some_reg>; + infet4-supply = <&some_reg>; + infet5-supply = <&some_reg>; + infet6-supply = <&some_reg>; + infet7-supply = <&some_reg>; + vsys-l1-supply = <&some_reg>; + vsys-l2-supply = <&some_reg>; + + regulators { + dcdc1 { + regulator-name = "dcdc1"; + regulator-boot-on; + regulator-always-on; + ti,enable-ext-control; + dcdc-ext-control-gpios = <&gpio 10 0>; + }; + + dcdc2 { + regulator-name = "dcdc2"; + regulator-boot-on; + regulator-always-on; + }; + + dcdc3 { + regulator-name = "dcdc3"; + regulator-boot-on; + regulator-always-on; + }; + + fet1 { + regulator-name = "fet1"; + regulator-boot-on; + regulator-always-on; + }; + + fet2 { + regulator-name = "fet2"; + regulator-boot-on; + regulator-always-on; + }; + + fet3 { + regulator-name = "fet3"; + regulator-boot-on; + regulator-always-on; + }; + + fet4 { + regulator-name = "fet4"; + regulator-boot-on; + regulator-always-on; + }; + + fet5 { + regulator-name = "fet5"; + regulator-boot-on; + regulator-always-on; + }; + + fet6 { + regulator-name = "fet6"; + regulator-boot-on; + regulator-always-on; + }; + + fet7 { + regulator-name = "fet7"; + regulator-boot-on; + regulator-always-on; + }; + + ldo1 { + regulator-name = "ldo1"; + regulator-boot-on; + regulator-always-on; + }; + + ldo2 { + regulator-name = "ldo2"; + regulator-boot-on; + regulator-always-on; + }; + }; + }; |