[PATCH v2 2/4] riscv: dts: Add QSPI NAND device node

[Padmarao Begari]

Add QSPI NAND device node to the Microchip PolarFire SoC
Icicle kit device tree.

The Winbond NAND flash memory can be connected to the
Icicle Kit by using the Mikroe Flash 5 click board and
the Pi 3 Click shield.

Signed-off-by: Padmarao Begari <padmarao.beg...@microchip.com>
---
 arch/riscv/dts/microchip-mpfs-icicle-kit.dts | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/arch/riscv/dts/microchip-mpfs-icicle-kit.dts 
b/arch/riscv/dts/microchip-mpfs-icicle-kit.dts
index 876c475069..e1fbedc507 100644
--- a/arch/riscv/dts/microchip-mpfs-icicle-kit.dts
+++ b/arch/riscv/dts/microchip-mpfs-icicle-kit.dts
@@ -18,6 +18,7 @@
        aliases {
                serial1 = &uart1;
                ethernet0 = &mac1;
+               spi0 = &qspi;
        };
 
        chosen {
@@ -113,3 +114,17 @@
                ti,fifo-depth = <0x1>;
        };
 };
+
+&qspi {
+       status = "okay";
+       num-cs = <1>;
+       flash0: flash@0 {
+               compatible = "spi-nand";
+               reg = <0x0>;
+               spi-tx-bus-width = <4>;
+               spi-rx-bus-width = <4>;
+               spi-max-frequency = <20000000>;
+               spi-cpol;
+               spi-cpha;
+       };
+};
-- 
2.25.1