diff options
| author | Adam Thomson <Adam.Thomson.Opensource@diasemi.com> | 2014-03-05 14:18:37 +0000 |
|---|---|---|
| committer | Lee Jones <lee.jones@linaro.org> | 2014-03-19 08:58:40 +0000 |
| commit | 94b6c3dac0771509df6ee621c7038bb3c128d09a (patch) | |
| tree | f6aea5dc50a002fa7bc698aa9916cc26fd309857 /Documentation/devicetree/bindings/mfd/da9055.txt | |
| parent | 202f7680af1563516a057f884cea30be94d3014f (diff) | |
mfd: da9055: Add DT binding documentation for PMIC
Acked-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Adam Thomson <Adam.Thomson.Opensource@diasemi.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Diffstat (limited to 'Documentation/devicetree/bindings/mfd/da9055.txt')
| -rw-r--r-- | Documentation/devicetree/bindings/mfd/da9055.txt | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/mfd/da9055.txt b/Documentation/devicetree/bindings/mfd/da9055.txt new file mode 100644 index 000000000000..6dab34d34fce --- /dev/null +++ b/Documentation/devicetree/bindings/mfd/da9055.txt @@ -0,0 +1,72 @@ +* Dialog DA9055 Power Management Integrated Circuit (PMIC) + +DA9055 consists of a large and varied group of sub-devices (I2C Only): + +Device Supply Names Description +------ ------------ ----------- +da9055-gpio : : GPIOs +da9055-regulator : : Regulators +da9055-onkey : : On key +da9055-rtc : : RTC +da9055-hwmon : : ADC +da9055-watchdog : : Watchdog + +The CODEC device in DA9055 has a separate, configurable I2C address and so +is instantiated separately from the PMIC. + +For details on accompanying CODEC I2C device, see the following: +Documentation/devicetree/bindings/sound/da9055.txt + +====== + +Required properties: +- compatible : Should be "dlg,da9055-pmic" +- reg: Specifies the I2C slave address (defaults to 0x5a but can be modified) +- interrupt-parent: Specifies the phandle of the interrupt controller to which + the IRQs from da9055 are delivered to. +- interrupts: IRQ line info for da9055 chip. +- interrupt-controller: da9055 has internal IRQs (has own IRQ domain). +- #interrupt-cells: Should be 1, is the local IRQ number for da9055. + +Sub-nodes: +- regulators : Contain the regulator nodes. The DA9055 regulators are + bound using their names as listed below: + + buck1 : regulator BUCK1 + buck2 : regulator BUCK2 + ldo1 : regulator LDO1 + ldo2 : regulator LDO2 + ldo3 : regulator LDO3 + ldo4 : regulator LDO4 + ldo5 : regulator LDO5 + ldo6 : regulator LDO6 + + The bindings details of individual regulator device can be found in: + Documentation/devicetree/bindings/regulator/regulator.txt + + +Example: + + pmic: da9055-pmic@5a { + compatible = "dlg,da9055-pmic"; + reg = <0x5a>; + interrupt-parent = <&intc>; + interrupts = <5 IRQ_TYPE_LEVEL_LOW>; + interrupt-controller; + #interrupt-cells = <1>; + + regulators { + buck1: BUCK1 { + regulator-min-microvolt = <725000>; + regulator-max-microvolt = <2075000>; + }; + buck2: BUCK2 { + regulator-min-microvolt = <925000>; + regulator-max-microvolt = <2500000>; + }; + ldo1: LDO1 { + regulator-min-microvolt = <900000>; + regulator-max-microvolt = <3300000>; + }; + }; + }; |