[PATCH] arm: mvebu: Add SPI flash on Armada XP-GP board
Gregory CLEMENT
gregory.clement at free-electrons.com
Wed Feb 6 03:28:15 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
More information about the devicetree-discuss
mailing list