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ARM: dts: am57xx-idk-common: Enable support for QSPI

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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>
This commit is contained in:
Vignesh R 2016-08-02 10:51:47 +05:30 committed by Tony Lindgren
parent a0b83af0df
commit 504482e565
1 changed files with 49 additions and 0 deletions
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49
arch/arm/boot/dts/am57xx-idk-common.dtsi
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@ -304,3 +304,52 @@ &mmc2 {
ti,non-removable; ti,non-removable;
max-frequency = <96000000>; 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>;
};
};
};