linux-kernel - Re: [v2, 3/3] ARM: dts: AM33XX: Add NAND flash device tree data to am335x-evm

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Date:	Tue, 30 Apr 2013 10:35:42 +0530
From:	Sekhar Nori <nsekhar@...com>
To:	"Gupta, Pekon" <pekon@...com>
CC:	<linux-mtd@...ts.infradead.org>, <b-cousson@...com>,
	<tony@...mide.com>, <linux@....linux.org.uk>,
	avinash philip <avinashphilip@...com>,
	<linux-omap@...r.kernel.org>,
	<devicetree-discuss@...ts.ozlabs.org>,
	<linux-arm-kernel@...ts.infradead.org>,
	<linux-kernel@...r.kernel.org>, <gururaja.hebbar@...com>,
	<hvaibhav@...com>, <zonque@...il.com>, <jacmet@...site.dk>
Subject: Re: [v2, 3/3] ARM: dts: AM33XX: Add NAND flash device tree data to
 am335x-evm


On 4/29/2013 1:25 PM, Gupta, Pekon wrote:
> From: avinash philip <avinashphilip@...com>
> 
> NAND flash connected in am335x-evm on GPMC controller. This patch adds
> device tree node in am3355-evm with GPMC contoller timing for NAND flash
> interface, NAND partition table, ECC scheme, elm handle id.
> 
> Signed-off-by: Philip Avinash <avinashphilip@...com>
> Tested-by: Pekon Gupta <pekon@...com>
> 
> ---
> arch/arm/boot/dts/am335x-evm.dts |   98 +++++++++++++++++++++++++++++++++++++-
>  1 file changed, 97 insertions(+), 1 deletion(-)
> 
> diff --git a/arch/arm/boot/dts/am335x-evm.dts b/arch/arm/boot/dts/am335x-evm.dts
> index 0423298..1c2fd89 100644
> --- a/arch/arm/boot/dts/am335x-evm.dts
> +++ b/arch/arm/boot/dts/am335x-evm.dts
> @@ -26,7 +26,8 @@
>  
>  	am33xx_pinmux: pinmux@...10800 {
>  		pinctrl-names = "default";
> -		pinctrl-0 = <&matrix_keypad_s0 &volume_keys_s0>;
> +		pinctrl-0 = <&matrix_keypad_s0 &volume_keys_s0
> +			&nandflash_pins_s0>;

Why add this to the board level fallback (called pinctrl hogs, I think)?
This can be part of nand node you added below so that the pinctrl will
take effect when nand gets probed instead of all the time.

Thanks,
Sekhar
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