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Message-ID: <20151120153309.GA4944@rob-hp-laptop>
Date:	Fri, 20 Nov 2015 09:33:09 -0600
From:	Rob Herring <robh@...nel.org>
To:	Pramod Kumar <pramodku@...adcom.com>
Cc:	Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Kumar Gala <galak@...eaurora.org>, Ray Jui <rjui@...adcom.com>,
	Scott Branden <sbranden@...adcom.com>,
	Russell King <linux@....linux.org.uk>,
	Linus Walleij <linus.walleij@...aro.org>,
	linux-gpio@...r.kernel.org,
	BCM Kernel Feedback <bcm-kernel-feedback-list@...adcom.com>,
	Jason Uy <jasonuy@...adcom.com>,
	Masahiro Yamada <yamada.masahiro@...ionext.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Laurent Pinchart <laurent.pinchart@...asonboard.com>,
	devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org, Jonas Gorski <jogo@...nwrt.org>
Subject: Re: [PATCH v2 1/7] dt-binding: Add ngpios property to GPIO
 controller node

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@...adcom.com>
> Reviewed-by: Ray Jui <rjui@...adcom.com>
> Reviewed-by: Scott Branden <sbranden@...adcom.com>

Acked-by: Rob Herring <robh@...nel.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@...a5000 {
>  		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
> 
--
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