linux-kernel - Re: [PATCH v2 6/6] DT: Add documentation for gpio-xilinx

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Message-ID: <CACRpkdaaZKyqBeJHnL4Q5vc3ZVa_psF61McJ2wsFQJMTGvn-NA@mail.gmail.com>
Date:	Mon, 17 Jun 2013 07:50:21 +0200
From:	Linus Walleij <linus.walleij@...aro.org>
To:	Michal Simek <michal.simek@...inx.com>
Cc:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Michal Simek <monstr@...str.eu>, Arnd Bergmann <arnd@...db.de>,
	Grant Likely <grant.likely@...aro.org>,
	Rob Herring <rob.herring@...xeda.com>,
	Rob Landley <rob@...dley.net>,
	"devicetree-discuss@...ts.ozlabs.org" 
	<devicetree-discuss@...ts.ozlabs.org>,
	"linux-doc@...r.kernel.org" <linux-doc@...r.kernel.org>
Subject: Re: [PATCH v2 6/6] DT: Add documentation for gpio-xilinx

On Mon, Jun 3, 2013 at 2:31 PM, Michal Simek <michal.simek@...inx.com> wrote:

> Describe gpio-xilinx binding.
>
> Signed-off-by: Michal Simek <michal.simek@...inx.com>
> ---
> Changes in v2:
> - Extend description

Thanks, patch applied but look into this:

> +Optional properties:
> +- interrupts : Interrupt mapping for GPIO IRQ.
> +- interrupt-parent : Phandle for the interrupt controller that
> +  services interrupts for this device.
> +- xlnx,all-inputs : if n-th bit is setup, GPIO-n is input
> +- xlnx,dout-default : if n-th bit is 1, GPIO-n default value is 1
> +- xlnx,gpio-width : gpio width
> +- xlnx,tri-default : if n-th bit is 1, GPIO-n is in tristate mode
> +- xlnx,is-dual : if 1, controller also uses the second channel

If is present, xlnx,is-dual;

> +Example:
> +gpio: gpio@...00000 {
> +       #gpio-cells = <2>;
> +       compatible = "xlnx,xps-gpio-1.00.a";
> +       gpio-controller ;
> +       interrupt-parent = <&microblaze_0_intc>;
> +       interrupts = < 6 2 >;
> +       reg = < 0x40000000 0x10000 >;
> +       xlnx,all-inputs = <0x0>;
> +       xlnx,all-inputs-2 = <0x0>;
> +       xlnx,dout-default = <0x0>;
> +       xlnx,dout-default-2 = <0x0>;
> +       xlnx,gpio-width = <0x2>;
> +       xlnx,gpio2-width = <0x2>;
> +       xlnx,interrupt-present = <0x1>;
> +       xlnx,is-dual = <0x1>;

xlnx,is-dual;

I'm not giving up on this suggestion.

Test it please...

Yours,
Linus Walleij
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