Signed-off-by: Adam Thomson Adam.Thomson.Opensource@diasemi.com --- Documentation/devicetree/bindings/mfd/da9055.txt | 73 ++++++++++++++++++++++ drivers/mfd/da9055-i2c.c | 8 +++ 2 files changed, 81 insertions(+), 0 deletions(-) create mode 100644 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 0000000..f903c3f --- /dev/null +++ b/Documentation/devicetree/bindings/mfd/da9055.txt @@ -0,0 +1,73 @@ +* 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 0x8>; + 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>; + }; + }; + }; diff --git a/drivers/mfd/da9055-i2c.c b/drivers/mfd/da9055-i2c.c index 8103e43..366a3e2 100644 --- a/drivers/mfd/da9055-i2c.c +++ b/drivers/mfd/da9055-i2c.c @@ -15,6 +15,8 @@ #include <linux/device.h> #include <linux/i2c.h> #include <linux/err.h> +#include <linux/of.h> +#include <linux/of_device.h>
#include <linux/mfd/da9055/core.h>
@@ -66,6 +68,11 @@ static struct i2c_device_id da9055_i2c_id[] = { }; MODULE_DEVICE_TABLE(i2c, da9055_i2c_id);
+static const struct of_device_id da9055_of_match[] = { + { .compatible = "dlg,da9055-pmic", .data = (void *)&da9055_i2c_id[0] }, + { } +}; + static struct i2c_driver da9055_i2c_driver = { .probe = da9055_i2c_probe, .remove = da9055_i2c_remove, @@ -73,6 +80,7 @@ static struct i2c_driver da9055_i2c_driver = { .driver = { .name = "da9055-pmic", .owner = THIS_MODULE, + .of_match_table = of_match_ptr(da9055_of_match), }, };
-- 1.7.0.4