diff options
| author | Vignesh R <vigneshr@ti.com> | 2016-08-02 08:21:47 +0300 |
|---|---|---|
| committer | Tony Lindgren <tony@atomide.com> | 2016-08-26 18:15:42 +0300 |
| commit | 504482e565ba85eb3da73ddc57acfc05d10e7db6 (patch) | |
| tree | c46cb2602556d4f563921e3983f4f72ee0f781ee /arch/arm/boot/dts/am57xx-idk-common.dtsi | |
| parent | a0b83af0dfd751f88bf5c452e7bbe7efe877da3d (diff) | |
| download | linux-504482e565ba85eb3da73ddc57acfc05d10e7db6.tar.xz | |
ARM: dts: am57xx-idk-common: Enable support for QSPI
AM572x IDK has a Spansion s25fl256s1 QSPI flash on the EVM connected to
TI QSPI IP over CS0. Hence, add QSPI and flash slave DT nodes.
Signed-off-by: Vignesh R <vigneshr@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Diffstat (limited to 'arch/arm/boot/dts/am57xx-idk-common.dtsi')
| -rw-r--r-- | arch/arm/boot/dts/am57xx-idk-common.dtsi | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/am57xx-idk-common.dtsi b/arch/arm/boot/dts/am57xx-idk-common.dtsi index 0e63b9dff6e7..03cec62260e1 100644 --- a/arch/arm/boot/dts/am57xx-idk-common.dtsi +++ b/arch/arm/boot/dts/am57xx-idk-common.dtsi @@ -304,3 +304,52 @@ ti,non-removable; max-frequency = <96000000>; }; + +&qspi { + status = "okay"; + + spi-max-frequency = <76800000>; + m25p80@0 { + compatible = "s25fl256s1", "jedec,spi-nor"; + spi-max-frequency = <76800000>; + reg = <0>; + spi-tx-bus-width = <1>; + spi-rx-bus-width = <4>; + #address-cells = <1>; + #size-cells = <1>; + + /* MTD partition table. + * The ROM checks the first four physical blocks + * for a valid file to boot and the flash here is + * 64KiB block size. + */ + partition@0 { + label = "QSPI.SPL"; + reg = <0x00000000 0x000040000>; + }; + partition@1 { + label = "QSPI.u-boot"; + reg = <0x00040000 0x00100000>; + }; + partition@2 { + label = "QSPI.u-boot-spl-os"; + reg = <0x00140000 0x00080000>; + }; + partition@3 { + label = "QSPI.u-boot-env"; + reg = <0x001c0000 0x00010000>; + }; + partition@4 { + label = "QSPI.u-boot-env.backup1"; + reg = <0x001d0000 0x0010000>; + }; + partition@5 { + label = "QSPI.kernel"; + reg = <0x001e0000 0x0800000>; + }; + partition@6 { + label = "QSPI.file-system"; + reg = <0x009e0000 0x01620000>; + }; + }; +}; |