diff options
Diffstat (limited to 'Documentation/devicetree/bindings/mfd/da9062.txt')
| -rw-r--r-- | Documentation/devicetree/bindings/mfd/da9062.txt | 123 |
1 files changed, 123 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/mfd/da9062.txt b/Documentation/devicetree/bindings/mfd/da9062.txt new file mode 100644 index 000000000..bab0d0e66 --- /dev/null +++ b/Documentation/devicetree/bindings/mfd/da9062.txt @@ -0,0 +1,123 @@ +* Dialog DA9062 Power Management Integrated Circuit (PMIC) + +Product information for the DA9062 and DA9061 devices can be found here: +- https://www.dialog-semiconductor.com/products/da9062 +- https://www.dialog-semiconductor.com/products/da9061 + +The DA9062 PMIC consists of: + +Device Supply Names Description +------ ------------ ----------- +da9062-regulator : : LDOs & BUCKs +da9062-rtc : : Real-Time Clock +da9062-onkey : : On Key +da9062-watchdog : : Watchdog Timer +da9062-thermal : : Thermal +da9062-gpio : : GPIOs + +The DA9061 PMIC consists of: + +Device Supply Names Description +------ ------------ ----------- +da9062-regulator : : LDOs & BUCKs +da9062-onkey : : On Key +da9062-watchdog : : Watchdog Timer +da9062-thermal : : Thermal + +====== + +Required properties: + +- compatible : Should be + "dlg,da9062" for DA9062 + "dlg,da9061" for DA9061 +- reg : Specifies the I2C slave address (this defaults to 0x58 but it can be + modified to match the chip's OTP settings). +- interrupts : IRQ line information. +- interrupt-controller + +See Documentation/devicetree/bindings/interrupt-controller/interrupts.txt for +further information on IRQ bindings. + +Optional properties: + +- gpio-controller : Marks the device as a gpio controller. +- #gpio-cells : Should be two. The first cell is the pin number and the + second cell is used to specify the gpio polarity. + +See Documentation/devicetree/bindings/gpio/gpio.txt for further information on +GPIO bindings. + +Sub-nodes: + +- regulators : This node defines the settings for the LDOs and BUCKs. + The DA9062 regulators are bound using their names listed below: + + buck1 : BUCK_1 + buck2 : BUCK_2 + buck3 : BUCK_3 + buck4 : BUCK_4 + ldo1 : LDO_1 + ldo2 : LDO_2 + ldo3 : LDO_3 + ldo4 : LDO_4 + + The DA9061 regulators are bound using their names listed below: + + buck1 : BUCK_1 + buck2 : BUCK_2 + buck3 : BUCK_3 + ldo1 : LDO_1 + ldo2 : LDO_2 + ldo3 : LDO_3 + ldo4 : LDO_4 + + The component follows the standard regulator framework and the bindings + details of individual regulator device can be found in: + Documentation/devicetree/bindings/regulator/regulator.txt + + regulator-initial-mode may be specified for buck regulators using mode values + from include/dt-bindings/regulator/dlg,da9063-regulator.h. + +- rtc : This node defines settings required for the Real-Time Clock associated + with the DA9062. There are currently no entries in this binding, however + compatible = "dlg,da9062-rtc" should be added if a node is created. + +- onkey : See ../input/da9062-onkey.txt + +- watchdog: See ../watchdog/da9062-watchdog.txt + +- thermal : See ../thermal/da9062-thermal.txt + +Example: + + pmic0: da9062@58 { + compatible = "dlg,da9062"; + reg = <0x58>; + interrupt-parent = <&gpio6>; + interrupts = <11 IRQ_TYPE_LEVEL_LOW>; + interrupt-controller; + + rtc { + compatible = "dlg,da9062-rtc"; + }; + + regulators { + DA9062_BUCK1: buck1 { + regulator-name = "BUCK1"; + regulator-min-microvolt = <300000>; + regulator-max-microvolt = <1570000>; + regulator-min-microamp = <500000>; + regulator-max-microamp = <2000000>; + regulator-initial-mode = <DA9063_BUCK_MODE_SYNC>; + regulator-boot-on; + }; + DA9062_LDO1: ldo1 { + regulator-name = "LDO_1"; + regulator-min-microvolt = <900000>; + regulator-max-microvolt = <3600000>; + regulator-boot-on; + }; + }; + }; + |