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authorVignesh R <vigneshr@ti.com>2016-07-29 14:22:31 +0530
committerJagan Teki <jteki@openedev.com>2016-07-30 00:15:00 +0530
commit9af6ce42484ec4a1be4898ca7423ff93ac2ce2c5 (patch)
tree60e8edecd9265d211a0b02860b7025e814a7c4ba
parent2ae94221458fc70ae3ccac291450511d4bb7074a (diff)
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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.dtsi49
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 2805b68..a5bcd25 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>;
+ };
+ };
+};