ARM: renesas: Add R8A779A0 V3U Falcon board code

Add board code for the R8A779A0 V3U Falcon board.

Signed-off-by: Hai Pham <hai.pham.ud@renesas.com>
Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
--
Marek: - various small rebase fixes and clean ups
diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
index 9fb3868..6610ce5 100644
--- a/arch/arm/dts/Makefile
+++ b/arch/arm/dts/Makefile
@@ -904,7 +904,8 @@
 	r8a77970-eagle-u-boot.dtb \
 	r8a77980-condor-u-boot.dtb \
 	r8a77990-ebisu-u-boot.dtb \
-	r8a77995-draak-u-boot.dtb
+	r8a77995-draak-u-boot.dtb \
+	r8a779a0-falcon-u-boot.dtb
 
 ifdef CONFIG_RCAR_GEN3
 DTC_FLAGS += -R 4 -p 0x1000
diff --git a/arch/arm/dts/r8a779a0-falcon-u-boot.dts b/arch/arm/dts/r8a779a0-falcon-u-boot.dts
new file mode 100644
index 0000000..06d3922
--- /dev/null
+++ b/arch/arm/dts/r8a779a0-falcon-u-boot.dts
@@ -0,0 +1,32 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Device Tree Source extras for U-Boot for the Falcon board
+ *
+ * Copyright (C) 2020 Renesas Electronics Corp.
+ */
+
+#include "r8a779a0-falcon.dts"
+#include "r8a779a0-u-boot.dtsi"
+
+/ {
+	aliases {
+		spi0 = &rpc;
+	};
+};
+
+&rpc {
+	#address-cells = <1>;
+	#size-cells = <0>;
+	num-cs = <1>;
+	spi-max-frequency = <50000000>;
+	status = "okay";
+
+	spi-flash@0 {
+		reg = <0>;
+		compatible = "jedec,spi-nor";
+		spi-max-frequency = <50000000>;
+		spi-tx-bus-width = <1>;
+		spi-rx-bus-width = <1>;
+		status = "okay";
+	};
+};
diff --git a/arch/arm/mach-rmobile/Kconfig.64 b/arch/arm/mach-rmobile/Kconfig.64
index e22012e..8df90ac 100644
--- a/arch/arm/mach-rmobile/Kconfig.64
+++ b/arch/arm/mach-rmobile/Kconfig.64
@@ -110,6 +110,12 @@
 	help
           Support for Renesas R-Car Gen3 Ebisu platform
 
+config TARGET_FALCON
+	bool "Falcon board"
+	imply R8A779A0
+	help
+          Support for Renesas R-Car Gen3 Falcon platform
+
 config TARGET_HIHOPE_RZG2
 	bool "HiHope RZ/G2 board"
 	imply R8A774A1
@@ -160,6 +166,7 @@
 source "board/renesas/draak/Kconfig"
 source "board/renesas/eagle/Kconfig"
 source "board/renesas/ebisu/Kconfig"
+source "board/renesas/falcon/Kconfig"
 source "board/renesas/salvator-x/Kconfig"
 source "board/renesas/ulcb/Kconfig"
 source "board/beacon/beacon-rzg2m/Kconfig"