[PATCH] arm: mvebu: Add SPI flash on Armada XP-GP board

Gregory CLEMENT gregory.clement at free-electrons.com
Tue Feb 5 11:28:15 EST 2013


Hi Ezequiel,

On 02/05/2013 12:24 PM, Ezequiel Garcia wrote:
> This patch adds an SPI master device node for Armada XP-GP board.
> This master node is an SPI flash controller 'n25q128a13'.
> 
> Since there is no 'partitions' node declared, one full sized
> partition named as the device will be created.
> 
> Cc: Gregory Clement <gregory.clement at free-electrons.com>
> Cc: Thomas Petazzoni <thomas.petazzoni at free-electrons.com>
> Cc: Lior Amsalem <alior at marvell.com>
> Signed-off-by: Ezequiel Garcia <ezequiel.garcia at free-electrons.com>
> ---
> This patch depends on:
> 
>  1. Gregory's patch for Armada XP GP board:
>       arm: mvebu: support for the new Armada XP development board(DB-MV784MP-GP)
> 
>  2. My previous patch for SPI on Armada 370/XP:
>       arm: mvebu: Add support for SPI controller in Armada 370/XP
> 
> And don't forget to compile the SPI flash driver, CONFIG_MTD_M25P80=y
> 
>  arch/arm/boot/dts/armada-xp-gp.dts |   12 ++++++++++++
>  1 files changed, 12 insertions(+), 0 deletions(-)
> 
> diff --git a/arch/arm/boot/dts/armada-xp-gp.dts b/arch/arm/boot/dts/armada-xp-gp.dts
> index 3eea531..1c8afe2 100644
> --- a/arch/arm/boot/dts/armada-xp-gp.dts
> +++ b/arch/arm/boot/dts/armada-xp-gp.dts
> @@ -97,5 +97,17 @@
>  			phy = <&phy3>;
>  			phy-mode = "rgmii-id";
>  		};
> +
> +		spi0: spi at d0010600 {
> +			status = "okay";
> +
> +			spi-flash at 0 {
> +				#address-cells = <1>;
> +				#size-cells = <1>;
> +				compatible = "n25q128a13";
> +				reg = <0>; /* Chip select 0 */
> +				spi-max-frequency = <108000000>;
> +			};
> +		};
>  	};
>  };
> 

I applied, compiled and try this patch it worked well, at least
for reading, I didn't try to write on the flash where my boolader
is stored. So you can add my:

Tested-by: Gregory Clement <gregory.clement at free-electrons.com>


-- 
Gregory Clement, Free Electrons
Kernel, drivers, real-time and embedded Linux
development, consulting, training and support.
http://free-electrons.com



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