From 0b8e6f8411fd79435ea43d8a78f8c57d8fede1b1 Mon Sep 17 00:00:00 2001
From: Padmarao Begari <padmarao.begari@microchip.com>
Date: Thu, 27 Oct 2022 11:32:00 +0530
Subject: [PATCH] riscv: dts: Add QSPI NAND device node
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.begari@microchip.com>
Reviewed-by: Conor Dooley <conor.dooley@microchip.com>
Reviewed-by: Rick Chen <rick@andestech.com>
---
arch/riscv/dts/microchip-mpfs-icicle-kit.dts | 16 ++++++++++++++++
1 file changed, 16 insertions(+)
diff --git a/arch/riscv/dts/microchip-mpfs-icicle-kit.dts b/arch/riscv/dts/microchip-mpfs-icicle-kit.dts
index 48fc2bf06a..762dcfc694 100644
--- a/arch/riscv/dts/microchip-mpfs-icicle-kit.dts
+++ b/arch/riscv/dts/microchip-mpfs-icicle-kit.dts
@@ -19,6 +19,7 @@
aliases {
serial1 = &uart1;
ethernet0 = &mac1;
+ spi0 = &qspi;
};
chosen {
@@ -114,3 +115,18 @@
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;
+ };
+};
--
2.39.5