arm64: dts: allwinner: sun55i-t527: avaota-a1: Add SPI NAND

The Avaota A1 board has a SPI NAND chip connected to spi0 on the PJ
pins with support for QSPI.

Enable spi0 and add a device node for the SPI NAND chip.

Acked-by: Jernej Skrabec <jernej.skrabec@gmail.com>
Link: https://patch.msgid.link/20260302153559.3199783-4-wens@kernel.org
Signed-off-by: Chen-Yu Tsai <wens@kernel.org>

Author: wens

arch/arm64/boot/dts/allwinner/sun55i-t527-avaota-a1.dts

@@ -403,6 +403,21 @@
 	assigned-clock-rates = <32768>;
 };
 
+&spi0  {
+	pinctrl-names = "default";
+	pinctrl-0 = <&spi0_pj_pins>, <&spi0_cs0_pj_pin>,
+		    <&spi0_hold_pj_pin>, <&spi0_wp_pj_pin>;
+	status = "okay";
+
+	nand@0 {
+		compatible = "spi-nand";
+		reg = <0>;
+		spi-max-frequency = <100000000>;
+		spi-rx-bus-width = <4>;
+		spi-tx-bus-width = <4>;
+	};
+};
+
 &uart0 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&uart0_pb_pins>;