Message ID | 1463116755-30469-1-git-send-email-ldewangan@nvidia.com |
---|---|
State | New |
Headers | show |
On Fri, May 13, 2016 at 7:19 AM, Laxman Dewangan <ldewangan@nvidia.com> wrote: > Maxim Semiconductor's PMIC MAX77620/MAX20024 has 8 GPIO pins > which act as GPIO as well as special function mode. > > Add DT binding document to support these pins in GPIO > mode via GPIO framework. > > Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com> > Acked-by: Rob Herring <robh@kernel.org> > Acked-by: Linus Walleij <linus.walleij@linaro.org> > > --- > This as part of the max77620 series and mfd patch are already applied. > This can go in subsystem branch. Patch applied to the GPIO tree. Yours, Linus Walleij -- To unsubscribe from this list: send the line "unsubscribe linux-gpio" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/Documentation/devicetree/bindings/gpio/gpio-max77620.txt b/Documentation/devicetree/bindings/gpio/gpio-max77620.txt new file mode 100644 index 0000000..410e716 --- /dev/null +++ b/Documentation/devicetree/bindings/gpio/gpio-max77620.txt @@ -0,0 +1,25 @@ +GPIO driver for MAX77620 Power management IC from Maxim Semiconductor. + +Device has 8 GPIO pins which can be configured as GPIO as well as the +special IO functions. + +Required properties: +------------------- +- gpio-controller : Marks the device node as a gpio controller. +- #gpio-cells : Should be two. The first cell is the pin number and + the second cell is used to specify the gpio polarity: + 0 = active high + 1 = active low +For more details, please refer generic GPIO DT binding document +<devicetree/bindings/gpio/gpio.txt>. + +Example: +-------- +#include <dt-bindings/mfd/max77620.h> +... +max77620@3c { + compatible = "maxim,max77620"; + + gpio-controller; + #gpio-cells = <2>; +};