[PATCH] ARM: dts: socfpga: enable qspi on the Cyclone5 devkit
From: dinguyen at opensource.altera.com <hidden>
Date: 2016-10-19 04:11:04
Subsystem:
the rest · Maintainer:
Linus Torvalds
From: Dinh Nguyen <redacted> Enable the qspi controller on the devkit and add the flash chip. Signed-off-by: Dinh Nguyen <redacted> --- arch/arm/boot/dts/socfpga_cyclone5_socdk.dts | 32 ++++++++++++++++++++++++++ 1 file changed, 32 insertions(+)
diff --git a/arch/arm/boot/dts/socfpga_cyclone5_socdk.dts b/arch/arm/boot/dts/socfpga_cyclone5_socdk.dts
index 15e43f4..a0868e9 100644
--- a/arch/arm/boot/dts/socfpga_cyclone5_socdk.dts
+++ b/arch/arm/boot/dts/socfpga_cyclone5_socdk.dts@@ -87,6 +87,38 @@ status = "okay"; }; +&qspi { + status = "okay"; + + flash0: n25q00 at 0 { + #address-cells = <1>; + #size-cells = <1>; + compatible = "n25q00"; + reg = <0>; /* chip select */ + spi-max-frequency = <100000000>; + + cdns,page-size = <256>; + cdns,block-size = <16>; + cdns,read-delay = <4>; + cdns,tshsl-ns = <50>; + cdns,tsd2d-ns = <50>; + cdns,tchsh-ns = <4>; + cdns,tslch-ns = <4>; + + partition at qspi-boot { + /* 8MB for raw data. */ + label = "Flash 0 Raw Data"; + reg = <0x0 0x800000>; + }; + + partition at qspi-rootfs { + /* 120MB for jffs2 data. */ + label = "Flash 0 jffs2 Filesystem"; + reg = <0x800000 0x7800000>; + }; + }; +}; + &usb1 { status = "okay"; };
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1.7.9.5