From 2c3c1048746a4622d8c89a29670120dc8fab93c4 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 20:49:45 +0200 Subject: Adding upstream version 6.1.76. Signed-off-by: Daniel Baumann --- Documentation/devicetree/bindings/mfd/da9055.txt | 70 ++++++++++++++++++++++++ 1 file changed, 70 insertions(+) create mode 100644 Documentation/devicetree/bindings/mfd/da9055.txt (limited to 'Documentation/devicetree/bindings/mfd/da9055.txt') diff --git a/Documentation/devicetree/bindings/mfd/da9055.txt b/Documentation/devicetree/bindings/mfd/da9055.txt new file mode 100644 index 000000000..131a53283 --- /dev/null +++ b/Documentation/devicetree/bindings/mfd/da9055.txt @@ -0,0 +1,70 @@ +* 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) +- 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>; + }; + }; + }; -- cgit v1.2.3