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Date: Mon, 27 Nov 2017 11:31:27 -0200 From: Otavio Salvador <otavio@...ystems.com.br> To: linux-arm-kernel@...ts.infradead.org Cc: Gary Bisson <gary.bisson@...ndarydevices.com>, Otavio Salvador <otavio@...ystems.com.br>, Fabio Estevam <fabio.estevam@....com>, devicetree@...r.kernel.org, Sascha Hauer <kernel@...gutronix.de>, linux-kernel@...r.kernel.org, Rob Herring <robh+dt@...nel.org>, Mark Rutland <mark.rutland@....com>, Russell King <linux@...linux.org.uk>, Shawn Guo <shawnguo@...nel.org> Subject: [PATCH v3] ARM: dts: imx6qdl-nitrogen6x: Add SPI NOR partitions This adds the partitions definition for the SPI NOR to provide backward compatibility with the documented[1] layout used with Boundary Devices BSP. 1. https://boundarydevices.com/boot-flash-access-linux/ It exports to Linux: mtd0: bootloader mtd1: env mtd2: splash Signed-off-by: Otavio Salvador <otavio@...ystems.com.br> --- Changes in v3: - use lock instead of read-only (Gary Bisson) Changes in v2: - rework labels (Fabio Estevam) - add read-only flags (Fabio Estevam) arch/arm/boot/dts/imx6qdl-nitrogen6x.dtsi | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) diff --git a/arch/arm/boot/dts/imx6qdl-nitrogen6x.dtsi b/arch/arm/boot/dts/imx6qdl-nitrogen6x.dtsi index 4bdf29169d2a..f855d802533e 100644 --- a/arch/arm/boot/dts/imx6qdl-nitrogen6x.dtsi +++ b/arch/arm/boot/dts/imx6qdl-nitrogen6x.dtsi @@ -276,6 +276,26 @@ compatible = "sst,sst25vf016b", "jedec,spi-nor"; spi-max-frequency = <20000000>; reg = <0>; + #address-cells = <1>; + #size-cells = <1>; + + partition@0 { + label = "bootloader"; + reg = <0x0 0xc0000>; + lock; + }; + + partition@...00 { + label = "env"; + reg = <0xc0000 0x2000>; + lock; + }; + + partition@...00 { + label = "splash"; + reg = <0xc2000 0x13e000>; + lock; + }; }; }; -- 2.15.0
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