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Diffstat (limited to 'Documentation/devicetree/bindings/power/supply/axp20x_usb_power.txt')
| -rw-r--r-- | Documentation/devicetree/bindings/power/supply/axp20x_usb_power.txt | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/power/supply/axp20x_usb_power.txt b/Documentation/devicetree/bindings/power/supply/axp20x_usb_power.txt new file mode 100644 index 000000000..ba8d35f66 --- /dev/null +++ b/Documentation/devicetree/bindings/power/supply/axp20x_usb_power.txt @@ -0,0 +1,40 @@ +AXP20x USB power supply + +Required Properties: +-compatible: One of: "x-powers,axp202-usb-power-supply" + "x-powers,axp221-usb-power-supply" + "x-powers,axp223-usb-power-supply" + +The AXP223 PMIC shares most of its behaviour with the AXP221 but has slight +variations such as the former being able to set the VBUS power supply max +current to 100mA, unlike the latter. + +This node is a subnode of the axp20x PMIC. + +Example: + +axp209: pmic@34 { + compatible = "x-powers,axp209"; + reg = <0x34>; + interrupt-parent = <&nmi_intc>; + interrupts = <0 IRQ_TYPE_LEVEL_LOW>; + interrupt-controller; + #interrupt-cells = <1>; + + regulators { + x-powers,dcdc-freq = <1500>; + + vdd_cpu: dcdc2 { + regulator-always-on; + regulator-min-microvolt = <1000000>; + regulator-max-microvolt = <1450000>; + regulator-name = "vdd-cpu"; + }; + + ... + }; + + usb-power-supply: usb-power-supply { + compatible = "x-powers,axp202-usb-power-supply"; + }; +}; |