On Fri, 10 Feb 2017, Charles Keepax wrote: > This is just a very simple initial binding, supporting only registering > the chip and the GPIOs. More features will be added as support for > device tree in the driver is expanded. > > Signed-off-by: Charles Keepax <[email protected]> > --- > Documentation/devicetree/bindings/mfd/wm831x.txt | 31 > ++++++++++++++++++++++++ > 1 file changed, 31 insertions(+) > create mode 100644 Documentation/devicetree/bindings/mfd/wm831x.txt > > diff --git a/Documentation/devicetree/bindings/mfd/wm831x.txt > b/Documentation/devicetree/bindings/mfd/wm831x.txt > new file mode 100644 > index 0000000..9771022 > --- /dev/null > +++ b/Documentation/devicetree/bindings/mfd/wm831x.txt > @@ -0,0 +1,31 @@ > +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).
Will it ever be used? Apart from that, looks okay. For my own reference: Acked-for-MFD-by: Lee Jones <[email protected]> > +Example: > + > +wm8310: wm8310@36 { > + compatible = "wlf,wm8310"; > + reg = <0x36>; > + > + gpio-controller; > + #gpio-cells = <2>; > +}; -- Lee Jones Linaro STMicroelectronics Landing Team Lead Linaro.org │ Open source software for ARM SoCs Follow Linaro: Facebook | Twitter | Blog
