From mboxrd@z Thu Jan 1 00:00:00 1970 From: gregory.clement@free-electrons.com (Gregory CLEMENT) Date: Tue, 05 Feb 2013 17:28:15 +0100 Subject: [PATCH] arm: mvebu: Add SPI flash on Armada XP-GP board In-Reply-To: <1360063473-26176-1-git-send-email-ezequiel.garcia@free-electrons.com> References: <1360063473-26176-1-git-send-email-ezequiel.garcia@free-electrons.com> Message-ID: <5111331F.7090900@free-electrons.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org 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 > Cc: Thomas Petazzoni > Cc: Lior Amsalem > Signed-off-by: Ezequiel Garcia > --- > 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, Free Electrons Kernel, drivers, real-time and embedded Linux development, consulting, training and support. http://free-electrons.com