diff options
| author | Vignesh R <vigneshr@ti.com> | 2016-07-29 14:22:31 +0530 |
|---|---|---|
| committer | Jagan Teki <jteki@openedev.com> | 2016-07-30 00:15:00 +0530 |
| commit | 9af6ce42484ec4a1be4898ca7423ff93ac2ce2c5 (patch) | |
| tree | 60e8edecd9265d211a0b02860b7025e814a7c4ba | |
| parent | 2ae94221458fc70ae3ccac291450511d4bb7074a (diff) | |
ARM: dts: am57xx-idk-common: Enable support for QSPI
AM571x and AM572x IDK have a spansion s25fl256s QSPI flash on the board
connected to TI QSPI over CS0. Hence, add QSPI and flash slave
DT nodes.
Signed-off-by: Vignesh R <vigneshr@ti.com>
Reviewed-by: Mugunthan V N <mugunthanvnm@ti.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
Reviewed-by: Jagan Teki <jteki@openedev.com>
| -rw-r--r-- | arch/arm/dts/am57xx-idk-common.dtsi | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/arch/arm/dts/am57xx-idk-common.dtsi b/arch/arm/dts/am57xx-idk-common.dtsi index 2805b68f3e0..a5bcd25d7b7 100644 --- a/arch/arm/dts/am57xx-idk-common.dtsi +++ b/arch/arm/dts/am57xx-idk-common.dtsi @@ -300,3 +300,52 @@ ti,non-removable; max-frequency = <96000000>; }; + +&qspi { + status = "okay"; + + spi-max-frequency = <76800000>; + m25p80@0 { + compatible = "s25fl256s1","spi-flash"; + 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>; + }; + }; +}; |