[PATCH 4/4] arm64: dts: renesas: r9a09g057h44-rzv2h-evk: Enable serial NOR FLASH

[Prabhakar <prabhakar.csengg@xxxxxxxxx>]

From: Lad Prabhakar <prabhakar.mahadev-lad.rj@xxxxxxxxxxxxxx>

Enable MT25QU512ABB8E12 FLASH connected to XSPI.

Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@xxxxxxxxxxxxxx>
---
 .../dts/renesas/r9a09g057h44-rzv2h-evk.dts    | 48 +++++++++++++++++++
 1 file changed, 48 insertions(+)

diff --git a/arch/arm64/boot/dts/renesas/r9a09g057h44-rzv2h-evk.dts b/arch/arm64/boot/dts/renesas/r9a09g057h44-rzv2h-evk.dts
index f9a0e9aefe7a..1af03cb143ba 100644
--- a/arch/arm64/boot/dts/renesas/r9a09g057h44-rzv2h-evk.dts
+++ b/arch/arm64/boot/dts/renesas/r9a09g057h44-rzv2h-evk.dts
@@ -371,6 +371,18 @@ vbus {
 			pinmux = <RZV2H_PORT_PINMUX(6, 6, 14)>; /* VBUS */
 		};
 	};
+
+	xspi_pins: xspi0 {
+		ctrl {
+			pins = "XSPI0_RESET0N", "XSPI0_CS0N", "XSPI0_CKP";
+			output-enable;
+		};
+
+		io {
+			pins = "XSPI0_IO0", "XSPI0_IO1", "XSPI0_IO2", "XSPI0_IO3";
+			renesas,output-impedance = <3>;
+		};
+	};
 };
 
 &qextal_clk {
@@ -425,3 +437,39 @@ &usb2_phy1 {
 &wdt1 {
 	status = "okay";
 };
+
+&xspi {
+	pinctrl-0 = <&xspi_pins>;
+	pinctrl-names = "default";
+	status = "okay";
+
+	flash@0 {
+		compatible = "jedec,spi-nor";
+		reg = <0>;
+		vcc-supply = <&reg_1p8v>;
+		m25p,fast-read;
+		spi-tx-bus-width = <4>;
+		spi-rx-bus-width = <4>;
+
+		partitions {
+			compatible = "fixed-partitions";
+			#address-cells = <1>;
+			#size-cells = <1>;
+
+			partition@0 {
+				label = "bl2";
+				reg = <0x00000000 0x00060000>;
+			};
+
+			partition@60000 {
+				label = "fip";
+				reg = <0x00060000 0x1fa0000>;
+			};
+
+			partition@2000000 {
+				label = "user";
+				reg = <0x2000000 0x2000000>;
+			};
+		};
+	};
+};
-- 
2.49.0