linux-kernel - Re: [PATCH v3 27/27] ARM: dts: omap3: Fix gpmc and NAND nodes

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Message-ID: <20151013004335.GU23801@atomide.com>
Date:	Mon, 12 Oct 2015 17:43:35 -0700
From:	Tony Lindgren <tony@...mide.com>
To:	Roger Quadros <rogerq@...com>
Cc:	dwmw2@...radead.org, computersforpeace@...il.com,
	ezequiel@...guardiasur.com.ar, javier@...hile0.org, fcooper@...com,
	nsekhar@...com, linux-mtd@...ts.infradead.org,
	linux-omap@...r.kernel.org, devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 27/27] ARM: dts: omap3: Fix gpmc and NAND nodes

* Roger Quadros <rogerq@...com> [150918 08:00]:
> Add compatible id, GPMC register resource and interrupt
> resource to NAND controller nodes.
> 
> The GPMC driver now implements gpiochip and irqchip so
> enable gpio-controller and interrupt-controller properties.
> 
> With this the interrupt parent of NAND node changes so fix it
> accordingly.
...
> --- a/arch/arm/boot/dts/logicpd-torpedo-som.dtsi
> +++ b/arch/arm/boot/dts/logicpd-torpedo-som.dtsi
> @@ -35,11 +35,14 @@
>  };
>  
>  &gpmc {
> -	ranges = <0 0 0x00000000 0x1000000>;	/* CS0: 16MB for NAND */
> +	ranges = <0 0 0x08000000 0x1000000>;	/* CS0: 16MB for NAND */
>  
>  	nand@0,0 {
> -		linux,mtd-name = "micron,mt29f4g16abbda3w";
> +		compatible = "ti,omap2-nand";
>  		reg = <0 0 4>; /* CS0, offset 0, IO size 4 */
> +		interrupt-parent = <&intc>;
> +		interrupts = <20>;
> +		linux,mtd-name = "micron,mt29f4g16abbda3w";
>  		nand-bus-width = <16>;
>  		ti,nand-ecc-opt = "bch8";
>  		gpmc,sync-clk-ps = <0>;

At least torpedo breaks for NFSroot as NAND now overlaps with
Ethernet.. What's the policy you have for moving the addresses
around?

There may be other similar cases to check too.

Regards,

Tony
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