socfpga: implement socdk SPI flash config in dts

SocDK has same QSPI and SPI flash configuration as Socrates. Add
support for it.

Signed-off-by: Pavel Machek <pavel@denx.de>

diff --git a/arch/arm/dts/socfpga_cyclone5_socdk.dts b/arch/arm/dts/socfpga_cyclone5_socdk.dts
index 8e1f88c2c7c41a398f5c5937674b13eaa901c47d..0b300b92be0a3112ebc9207a74ca5ff53569343c 100644 (file)
--- a/arch/arm/dts/socfpga_cyclone5_socdk.dts
+++ b/arch/arm/dts/socfpga_cyclone5_socdk.dts
@@ -25,6 +25,10 @@
                 * to be added to the gmac1 device tree blob.
                 */
                ethernet0 = &gmac1;
+
+               spi0 = "/spi@ff705000";         /* QSPI */
+               spi1 = "/spi@fff00000";
+               spi2 = "/spi@fff01000";
        };
 
        regulator_3_3v: 3-3-v-regulator {
@@ -77,3 +81,23 @@
 &usb1 {
        status = "okay";
 };
+
+&qspi {
+       status = "okay";
+
+       flash0: n25q00@0 {
+               #address-cells = <1>;
+               #size-cells = <1>;
+               compatible = "n25q00";
+               reg = <0>;      /* chip select */
+               spi-max-frequency = <50000000>;
+               m25p,fast-read;
+               page-size = <256>;
+               block-size = <16>; /* 2^16, 64KB */
+               read-delay = <4>;  /* delay value in read data capture register */
+               tshsl-ns = <50>;
+               tsd2d-ns = <50>;
+               tchsh-ns = <4>;
+               tslch-ns = <4>;
+       };
+};