Re: [PATCH] arm: mvebu: Add SPI flash on Armada XP-GP board
From: Gregory CLEMENT <hidden>
Date: 2013-02-05 16:28:15
Also in:
linux-arm-kernel, linux-spi
Hi Ezequiel, On 02/05/2013 12:24 PM, Ezequiel Garcia wrote:
quoted hunk
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-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org> Cc: Thomas Petazzoni <thomas.petazzoni-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org> Cc: Lior Amsalem <redacted> Signed-off-by: Ezequiel Garcia <ezequiel.garcia-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org> --- 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@d0010600 { + status = "okay"; + + spi-flash@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-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org> -- Gregory Clement, Free Electrons Kernel, drivers, real-time and embedded Linux development, consulting, training and support. http://free-electrons.com ------------------------------------------------------------------------------ Free Next-Gen Firewall Hardware Offer Buy your Sophos next-gen firewall before the end March 2013 and get the hardware for free! Learn more. http://p.sf.net/sfu/sophos-d2d-feb