ARM: dts: sun8i: r40: add sata node

R40 have a sata controller which is the same as A20.
This patch adds a DT node for it.

Signed-off-by: Icenowy Zheng <icenowy@aosc.io>
Signed-off-by: Corentin Labbe <clabbe.montjoie@gmail.com>
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>

arch/arm/boot/dts/sun8i-r40.dtsi

@@ -529,6 +529,19 @@
 			#size-cells = <0>;
 		};
 
+		ahci: sata@1c18000 {
+			compatible = "allwinner,sun8i-r40-ahci";
+			reg = <0x01c18000 0x1000>;
+			interrupts = <GIC_SPI 56 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&ccu CLK_BUS_SATA>, <&ccu CLK_SATA>;
+			resets = <&ccu RST_BUS_SATA>;
+			resets-name = "ahci";
+			#address-cells = <1>;
+			#size-cells = <0>;
+			status = "disabled";
+
+		};
+
 		gmac: ethernet@1c50000 {
 			compatible = "allwinner,sun8i-r40-gmac";
 			syscon = <&ccu>;