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

Padmarao Begari padmarao.begari at microchip.com
Wed Oct 19 16:53:20 CEST 2022


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

Signed-off-by: Padmarao Begari <padmarao.begari at 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..679221e13f 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: spi-nand at 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



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