Bindings documentation for the AXP20x driver. In this file also two sub-nodes (PEK and regulators) are documented. Signed-off-by: Carlo Caione <carlo@xxxxxxxxxx> --- Documentation/devicetree/bindings/mfd/axp20x.txt | 83 ++++++++++++++++++++++ .../devicetree/bindings/vendor-prefixes.txt | 1 + 2 files changed, 84 insertions(+) create mode 100644 Documentation/devicetree/bindings/mfd/axp20x.txt diff --git a/Documentation/devicetree/bindings/mfd/axp20x.txt b/Documentation/devicetree/bindings/mfd/axp20x.txt new file mode 100644 index 0000000..982aefe --- /dev/null +++ b/Documentation/devicetree/bindings/mfd/axp20x.txt @@ -0,0 +1,83 @@ +* axp20x device tree bindings + +The axp20x family current members :- +axp202 (X-Powers) +axp209 (X-Powers) + +Required properties: +- compatible : Should be "x-powers,axp202" or "x-powers,axp209" +- interrupt-controller : axp20x has its own internal IRQs +- #interrupt-cells : Should be set to 1 +- interrupt-parent : The parent interrupt controller +- interrupts : Interrupt specifiers for interrupt sources +- reg : The I2C slave address for the AXP chip + +Sub-nodes: +* regulators : Contain the regulator nodes. The regulators are bound using + their name as listed here: dcdc2, dcdc3, ldo1, ldo2, ldo3, + ldo4, ldo5. + The bindings details of individual regulator device can be found in: + Documentation/devicetree/bindings/regulator/regulator.txt with the + exception of: + + - dcdc-freq : defines the work frequency of DC-DC in KHz + (range: 750-1875). Default: 1.5MHz + - dcdc-workmode : Optional. 1 for PWM mode, 0 for AUTO mode + Default: AUTO mode + +Example: + +axp: axp20x@34 { + reg = <0x34>; + interrupt-parent = <&nmi_intc>; + interrupts = <0 8>; + + compatible = "x-powers,axp209"; + interrupt-controller; + #interrupt-cells = <1>; + + regulators { + dcdc-freq = "1500"; + + axp_dcdc2: dcdc2 { + regulator-min-microvolt = <700000>; + regulator-max-microvolt = <2275000>; + dcdc-workmode = <0>; + regulator-always-on; + }; + + axp_dcdc3: dcdc3 { + regulator-min-microvolt = <700000>; + regulator-max-microvolt = <3500000>; + dcdc-workmode = <0>; + regulator-always-on; + }; + + axp_ldo1: ldo1 { + regulator-min-microvolt = <1300000>; + regulator-max-microvolt = <1300000>; + }; + + axp_ldo2: ldo2 { + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <3300000>; + regulator-always-on; + }; + + axp_ldo3: ldo3 { + regulator-min-microvolt = <700000>; + regulator-max-microvolt = <3500000>; + }; + + axp_ldo4: ldo4 { + regulator-min-microvolt = <1250000>; + regulator-max-microvolt = <3300000>; + }; + + axp_ldo5: ldo5 { + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <3300000>; + }; + }; +}; + diff --git a/Documentation/devicetree/bindings/vendor-prefixes.txt b/Documentation/devicetree/bindings/vendor-prefixes.txt index 40ce2df..d06ba8c 100644 --- a/Documentation/devicetree/bindings/vendor-prefixes.txt +++ b/Documentation/devicetree/bindings/vendor-prefixes.txt @@ -95,3 +95,4 @@ winbond Winbond Electronics corp. wlf Wolfson Microelectronics wm Wondermedia Technologies, Inc. xlnx Xilinx +x-powers X-Powers -- 1.8.3.2 -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html