linux-kernel - Re: [PATCH] ARM: dts: TS-4800: Add gpio driver

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Message-ID: <20160228081259.GK22051@tiger>
Date:	Sun, 28 Feb 2016 16:12:59 +0800
From:	Shawn Guo <shawnguo@...nel.org>
To:	Julien Grossholtz <julien.grossholtz@...oirfairelinux.com>
Cc:	mark.rutland@....com, devicetree@...r.kernel.org,
	linux@....linux.org.uk, pawel.moll@....com,
	ijc+devicetree@...lion.org.uk, linux-kernel@...r.kernel.org,
	robh+dt@...nel.org, kernel@...oirfairelinux.com,
	kernel@...gutronix.de, galak@...eaurora.org,
	linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH] ARM: dts: TS-4800: Add gpio driver

On Fri, Feb 19, 2016 at 03:59:02PM -0500, Julien Grossholtz wrote:
> Add dts nodes for TS-4800 FPGA gpio chips.
> 
> Signed-off-by: Julien Grossholtz <julien.grossholtz@...oirfairelinux.com>
> ---
>  arch/arm/boot/dts/imx51-ts4800.dts | 29 +++++++++++++++++++++++++++++
>  1 file changed, 29 insertions(+)
> 
> diff --git a/arch/arm/boot/dts/imx51-ts4800.dts b/arch/arm/boot/dts/imx51-ts4800.dts
> index 0ff76a1..c72c944 100644
> --- a/arch/arm/boot/dts/imx51-ts4800.dts
> +++ b/arch/arm/boot/dts/imx51-ts4800.dts
> @@ -165,6 +165,35 @@
>  			reg = <0x12000 0x1000>;
>  			syscon = <&syscon 0x10 6>;
>  		};
> +
> +		fpga_gpio0: fpga_gpio0@...10020 {
> +			compatible = "technologic,ts4800-gpio";

I do not understand how this works, considering this compatible is not
supported by kernel.

Shawn

> +			reg = <0x10020 0x6>;
> +			gpio-controller;
> +			#gpio-cells = <2>;
> +		};
> +
> +		fpga_gpio1: fpga_gpio1@...10028 {
> +			compatible = "technologic,ts4800-gpio";
> +			reg = <0x10028 0x6>;
> +			gpio-controller;
> +			#gpio-cells = <2>;
> +		};
> +
> +		fpga_gpio2: fpga_gpio2@...10030 {
> +			compatible = "technologic,ts4800-gpio";
> +			reg = <0x10030 0x6>;
> +			gpio-controller;
> +			#gpio-cells = <2>;
> +		};
> +
> +		fpga_gpio3: fpga_gpio3@...10038 {
> +			compatible = "technologic,ts4800-gpio";
> +			reg = <0x10038 0x6>;
> +			gpio-controller;
> +			ngpios = <8>;
> +			#gpio-cells = <2>;
> +		};
>  	};
>  };
>  
> -- 
> 2.5.0
> 
> 
> _______________________________________________
> linux-arm-kernel mailing list
> linux-arm-kernel@...ts.infradead.org
> http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
> 

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