| Message ID | 1454171931-27752-6-git-send-email-ldewangan@nvidia.com |
|---|---|
| State | Not Applicable |
| Headers | show |
On Sat, Jan 30, 2016 at 5:38 PM, 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> Lee can merge this too. Yours, Linus Walleij
On Fri, 05 Feb 2016, Linus Walleij wrote: > On Sat, Jan 30, 2016 at 5:38 PM, 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> > > Lee can merge this too. Ths set needs a re-work anyway. Laxman, just apply your collected Acks and re-submit when you're ready.
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>; +};