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 <ckeepax@xxxxxxxxxxxxxxxxxxxxxxxxxxx> --- Changes since v1: - Added MAINTAINERS update Documentation/devicetree/bindings/mfd/wm831x.txt | 31 ++++++++++++++++++++++++ MAINTAINERS | 1 + 2 files changed, 32 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). + +Example: + +wm8310: wm8310@36 { + compatible = "wlf,wm8310"; + reg = <0x36>; + + gpio-controller; + #gpio-cells = <2>; +}; diff --git a/MAINTAINERS b/MAINTAINERS index 2d8ca28..48fdc82 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -13363,6 +13363,7 @@ 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 -- 2.1.4 -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html