[PATCH] arm64: activate spi flash on pine64 LTS board

[Akash Gajjar]

This board has a 128M SPI flash. add spi flash support in device tree.

Tested on pine64 LTS.

Signed-off-by: Akash Gajjar <akash_gaj...@mentor.com>
---
 .../dts/allwinner/sun50i-a64-sopine-baseboard.dts  | 23 ++++++++++++++++++++++
 1 file changed, 23 insertions(+)

diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64-sopine-baseboard.dts 
b/arch/arm64/boot/dts/allwinner/sun50i-a64-sopine-baseboard.dts
index abe179d..d54637d 100644
--- a/arch/arm64/boot/dts/allwinner/sun50i-a64-sopine-baseboard.dts
+++ b/arch/arm64/boot/dts/allwinner/sun50i-a64-sopine-baseboard.dts
@@ -134,6 +134,29 @@
        regulator-name = "vcc-wifi";
 };
 
+&spi0  {
+       status = "okay";
+
+       m25p80@0 {
+               #address-cells = <1>;
+               #size-cells = <1>;
+               compatible = "w25q128";
+               reg = <0x0>;
+               linux,modalias = "m25p80", "w25q128";
+               spi-max-frequency = <40000000>;
+
+               uboot@0 {
+                       label = "uboot";
+                       reg = <0x0 0x100000>;
+               };
+
+               rootfs@0 {
+                       label = "rootfs";
+                       reg = <0x100000 0x7F00000>;
+               };
+       };
+};
+
 &uart0 {
        pinctrl-names = "default";
        pinctrl-0 = <&uart0_pins_a>;
-- 
2.7.4