linux-kernel - Re: [PATCH 3/3] ARM: dts: socfpga: add gpio pieces

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Message-ID: <CANk1AXRa4V1ADNaT+T3pYF4zyxni9Y8rmU9UYRoA_7NxW8KWEg@mail.gmail.com>
Date:	Fri, 21 Mar 2014 13:14:13 -0500
From:	delicious quinoa <delicious.quinoa@...il.com>
To:	Sebastian Andrzej Siewior <bigeasy@...utronix.de>
Cc:	Alan Tull <atull@...era.com>,
	Linus Walleij <linus.walleij@...aro.org>,
	Alexandre Courbot <gnurou@...il.com>,
	"linux-gpio@...r.kernel.org" <linux-gpio@...r.kernel.org>,
	linux-kernel <linux-kernel@...r.kernel.org>,
	Dinh Nguyen <dinguyen@...era.com>,
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>
Subject: Re: [PATCH 3/3] ARM: dts: socfpga: add gpio pieces

On Thu, Mar 20, 2014 at 2:55 PM, Sebastian Andrzej Siewior
<bigeasy@...utronix.de> wrote:
> The cycloneV has three gpio controllers, each one with 29 gpios. This patch
> adds the three controller with the gpio driver which is now sitting the
> gpio tree.
>
> Cc: devicetree@...r.kernel.org
> Signed-off-by: Sebastian Andrzej Siewior <bigeasy@...utronix.de>
> ---
>  arch/arm/boot/dts/socfpga.dtsi | 60 ++++++++++++++++++++++++++++++++++++++++++
>  1 file changed, 60 insertions(+)
>
> diff --git a/arch/arm/boot/dts/socfpga.dtsi b/arch/arm/boot/dts/socfpga.dtsi
> index 537f1a5..c3a97e1 100644
> --- a/arch/arm/boot/dts/socfpga.dtsi
> +++ b/arch/arm/boot/dts/socfpga.dtsi
> @@ -463,6 +463,66 @@
>                         status = "disabled";
>                 };
>
> +               gpio@...08000 {
> +                       #address-cells = <1>;
> +                       #size-cells = <0>;
> +                       compatible = "snps,dw-apb-gpio";
> +                       reg = <0xff708000 0x1000>;
> +                       clocks = <&per_base_clk>;
> +                       status = "disabled";
> +
> +                       gpio0: gpio-controller@0 {
> +                               compatible = "snps,dw-apb-gpio-port";
> +                               gpio-controller;
> +                               #gpio-cells = <1>;

#gpio-cells = <2>;

I applied this patch, fixed the gpio-cells, tested on a cyclone5 soc
devkit, and see that it breaks the interrupts.  Did you test this?

Alan

> +                               snps,nr-gpios = <29>;
> +                               reg = <0>;
> +                               interrupt-controller;
> +                               #interrupt-cells = <2>;
> +                               interrupts = <0 164 4>;
> +                       };
> +               };
> +
> +               gpio@...09000 {
> +                       #address-cells = <1>;
> +                       #size-cells = <0>;
> +                       compatible = "snps,dw-apb-gpio";
> +                       reg = <0xff709000 0x1000>;
> +                       clocks = <&per_base_clk>;
> +                       status = "disabled";
> +
> +                       gpio1: gpio-controller@0 {
> +                               compatible = "snps,dw-apb-gpio-port";
> +                               gpio-controller;
> +                               #gpio-cells = <1>;
> +                               snps,nr-gpios = <29>;
> +                               reg = <0>;
> +                               interrupt-controller;
> +                               #interrupt-cells = <2>;
> +                               interrupts = <0 165 4>;
> +                       };
> +               };
> +
> +               gpio@...0a000 {
> +                       #address-cells = <1>;
> +                       #size-cells = <0>;
> +                       compatible = "snps,dw-apb-gpio";
> +                       reg = <0xff70a000 0x1000>;
> +                       clocks = <&per_base_clk>;
> +                       status = "disabled";
> +
> +                       gpio2: gpio-controller@0 {
> +                               compatible = "snps,dw-apb-gpio-port";
> +                               gpio-controller;
> +                               #gpio-cells = <1>;
> +                               snps,nr-gpios = <29>;
> +                               reg = <0>;
> +                               interrupt-controller;
> +                               #interrupt-cells = <2>;
> +                               interrupts = <0 166 4>;
> +                       };
> +               };
> +
>                 L2: l2-cache@...ef000 {
>                         compatible = "arm,pl310-cache";
>                         reg = <0xfffef000 0x1000>;
> --
> 1.9.1
>
> --
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