[PATCH v2 1/7] dt-binding: Add ngpios property to GPIO controller node

[Rob Herring]

On Thu, Nov 19, 2015 at 09:22:13AM +0530, Pramod Kumar wrote:
> Add ngpios property to the gpio controller's DT node so that controller
> driver extracts total number of in-use gpio lines from DT and removes
> dependency on driver.
> 
> Signed-off-by: Pramod Kumar <pramodku at broadcom.com>
> Reviewed-by: Ray Jui <rjui at broadcom.com>
> Reviewed-by: Scott Branden <sbranden at broadcom.com>

Acked-by: Rob Herring <robh at kernel.org>

> ---
>  Documentation/devicetree/bindings/pinctrl/brcm,cygnus-gpio.txt | 5 +++++
>  1 file changed, 5 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/pinctrl/brcm,cygnus-gpio.txt b/Documentation/devicetree/bindings/pinctrl/brcm,cygnus-gpio.txt
> index 16589fb6..8b1e5d1 100644
> --- a/Documentation/devicetree/bindings/pinctrl/brcm,cygnus-gpio.txt
> +++ b/Documentation/devicetree/bindings/pinctrl/brcm,cygnus-gpio.txt
> @@ -10,6 +10,9 @@ Required properties:
>      Define the base and range of the I/O address space that contains the Cygnus
>  GPIO/PINCONF controller registers
>  
> +- ngpios:
> +    Total number of in-use slots in GPIO controller
> +
>  - #gpio-cells:
>      Must be two. The first cell is the GPIO pin number (within the
>  controller's pin space) and the second cell is used for the following:
> @@ -57,6 +60,7 @@ Example:
>  		compatible = "brcm,cygnus-ccm-gpio";
>  		reg = <0x1800a000 0x50>,
>  		      <0x0301d164 0x20>;
> +		ngpios = <24>;
>  		#gpio-cells = <2>;
>  		gpio-controller;
>  		interrupts = <GIC_SPI 84 IRQ_TYPE_LEVEL_HIGH>;
> @@ -78,6 +82,7 @@ Example:
>  	gpio_asiu: gpio at 180a5000 {
>  		compatible = "brcm,cygnus-asiu-gpio";
>  		reg = <0x180a5000 0x668>;
> +		ngpios = <146>;
>  		#gpio-cells = <2>;
>  		gpio-controller;
>  		interrupts = <GIC_SPI 174 IRQ_TYPE_LEVEL_HIGH>;
> -- 
> 1.9.1
>