On Fri, 17 Mar 2017, Charles Keepax wrote: > Add a device tree binding document for the wm831x series of PMICs. > Currently only support for the registering the device and the GPIOs are > actually implemented in the driver. > > Signed-off-by: Charles Keepax <ckeepax@xxxxxxxxxxxxxxxxxxxxxxxxxxx> > --- > > Changes since v4: > - Removed one extra level of ../ for relative links that was incorrect > > Thanks, > Charles > > Documentation/devicetree/bindings/mfd/wm831x.txt | 81 ++++++++++++++++++++++++ > MAINTAINERS | 1 + > 2 files changed, 82 insertions(+) > create mode 100644 Documentation/devicetree/bindings/mfd/wm831x.txt Applied, thanks. > diff --git a/Documentation/devicetree/bindings/mfd/wm831x.txt b/Documentation/devicetree/bindings/mfd/wm831x.txt > new file mode 100644 > index 0000000..9f8b743 > --- /dev/null > +++ b/Documentation/devicetree/bindings/mfd/wm831x.txt > @@ -0,0 +1,81 @@ > +Cirrus Logic/Wolfson Microelectronics wm831x PMICs > + > +System PMICs with a wide range of additional features. > + > +Required properties: > + > + - compatible : One of the following chip-specific strings: > + "wlf,wm8310" > + "wlf,wm8311" > + "wlf,wm8312" > + "wlf,wm8320" > + "wlf,wm8321" > + "wlf,wm8325" > + "wlf,wm8326" > + > + - reg : I2C slave address when connected using I2C, chip select number > + when using SPI. > + > + - gpio-controller : Indicates this device is a GPIO controller. > + - #gpio-cells : Must be 2. The first cell is the pin number and the > + second cell is used to specify optional parameters (currently unused). > + > + - interrupts : The interrupt line the IRQ signal for the device is > + connected to. > + - interrupt-parent : The parent interrupt controller. > + > + - interrupt-controller : wm831x devices contain interrupt controllers and > + may provide interrupt services to other devices. > + - #interrupt-cells: Must be 2. The first cell is the IRQ number, and the > + second cell is the flags, encoded as the trigger masks from > + ../interrupt-controller/interrupts.txt > + > +Optional sub-nodes: > + - regulators : Contains sub-nodes for each of the regulators supplied by > + the device. The regulators are bound using their names listed below: > + > + dcdc1 : DCDC1 > + dcdc2 : DCDC2 > + dcdc3 : DCDC3 > + dcdc4 : DCDC3 > + isink1 : ISINK1 > + isink2 : ISINK2 > + ldo1 : LDO1 > + ldo2 : LDO2 > + ldo3 : LDO3 > + ldo4 : LDO4 > + ldo5 : LDO5 > + ldo7 : LDO7 > + ldo11 : LDO11 > + > + The bindings details of each regulator can be found in: > + ../regulator/regulator.txt > + > +Example: > + > +wm8310: pmic@36 { > + compatible = "wlf,wm8310"; > + reg = <0x36>; > + > + gpio-controller; > + #gpio-cells = <2>; > + > + interrupts = <347>; > + interrupt-parent = <&gic>; > + > + interrupt-controller; > + #interrupt-cells = <2>; > + > + regulators { > + dcdc1: dcdc1 { > + regulator-name = "DCDC1"; > + regulator-min-microvolt = <600000>; > + regulator-max-microvolt = <600000>; > + }; > + ldo1: ldo1 { > + regulator-name = "LDO1"; > + regulator-min-microvolt = <1700000>; > + regulator-max-microvolt = <1700000>; > + }; > + }; > +}; > diff --git a/MAINTAINERS b/MAINTAINERS > index c265a5f..dfe761b 100644 > --- a/MAINTAINERS > +++ b/MAINTAINERS > @@ -13600,6 +13600,7 @@ F: Documentation/hwmon/wm83?? > F: Documentation/devicetree/bindings/extcon/extcon-arizona.txt > F: Documentation/devicetree/bindings/regulator/arizona-regulator.txt > F: Documentation/devicetree/bindings/mfd/arizona.txt > +F: Documentation/devicetree/bindings/mfd/wm831x.txt > F: arch/arm/mach-s3c64xx/mach-crag6410* > F: drivers/clk/clk-wm83*.c > F: drivers/extcon/extcon-arizona.c -- Lee Jones Linaro STMicroelectronics Landing Team Lead Linaro.org │ Open source software for ARM SoCs Follow Linaro: Facebook | Twitter | Blog -- To unsubscribe from this list: send the line "unsubscribe linux-gpio" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html