On Thu, Jun 08, 2017 at 03:33:13PM +0800, Jianhong Chen wrote: > From: chenjh <[email protected]> > > Add device tree bindings documentation for Rockchip's RK805 PMIC > > Signed-off-by: chenjh <[email protected]> > --- > .../devicetree/bindings/gpio/gpio-rk805.txt | 37 > ++++++++++++++++++++++ > 1 file changed, 37 insertions(+) > create mode 100644 Documentation/devicetree/bindings/gpio/gpio-rk805.txt > > diff --git a/Documentation/devicetree/bindings/gpio/gpio-rk805.txt > b/Documentation/devicetree/bindings/gpio/gpio-rk805.txt > new file mode 100644 > index 0000000..98b75fa > --- /dev/null > +++ b/Documentation/devicetree/bindings/gpio/gpio-rk805.txt > @@ -0,0 +1,37 @@ > +RK805 GPIO controller > + > +This driver follows the usual GPIO bindings found in > +Documentation/devicetree/bindings/gpio/gpio.txt > + > +Required properties: > +- #gpio-cells: Should be two. The first cell is the pin number and the > + second is the GPIO flags. > +- gpio-controller: Marks the device node as a GPIO controller. > + > +These properties must be added in the RK805 PMIC node, documented in > +Documentation/devicetree/bindings/mfd/rk808.txt > + > +Example: > + > +rk805: pmic@18 { > + compatible = "rockchip,rk808"; > + clock-output-names = "xin32k", "rk808-clkout2"; > + interrupt-parent = <&gpio0>; > + interrupts = <4 IRQ_TYPE_LEVEL_LOW>; > + reg = <0x1a>; > + rockchip,system-power-controller; > + wakeup-source; > + #clock-cells = <1>; > + ... > + gpio-controller; > + #gpio-cells = <2>; > +}; > + > + > +Example of a peripheral using the PMIC GPIOs: > + > +wireless-bluetooth { > + compatible = "bluetooth-platdata";
Not a valid example compatible. While you don't really have to have a valid one, it should be something that's not a "what not to do" and would never be accepted. Rob
