ARM: renesas: Add R8A77980 V3HSK board and CPLD code

Add board code for the R8A77980 V3HSK board.
Add CPLD sysreset driver to the R-Car V3H SK board.
Extracted from a larger patch by Valentine Barshak.

Reviewed-by: Marek Vasut <marek.vasut+renesas@mailbox.org>
Signed-off-by: Valentine Barshak <valentine.barshak@cogentembedded.com>
Signed-off-by: Hai Pham <hai.pham.ud@renesas.com>
Signed-off-by: Tam Nguyen <tam.nguyen.xa@renesas.com>
Signed-off-by: Marek Vasut <marek.vasut+renesas@mailbox.org>
[Marek: Sync configs and board code with V3H Condor, squash CPLD driver in]
diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
index dd917ae..4b19a93 100644
--- a/arch/arm/dts/Makefile
+++ b/arch/arm/dts/Makefile
@@ -1052,6 +1052,7 @@
 	r8a77970-eagle-u-boot.dtb \
 	r8a77970-v3msk-u-boot.dtb \
 	r8a77980-condor-u-boot.dtb \
+	r8a77980-v3hsk-u-boot.dtb \
 	r8a77990-ebisu-u-boot.dtb \
 	r8a77995-draak-u-boot.dtb
 
diff --git a/arch/arm/dts/r8a77980-v3hsk-u-boot.dts b/arch/arm/dts/r8a77980-v3hsk-u-boot.dts
new file mode 100644
index 0000000..d083df6
--- /dev/null
+++ b/arch/arm/dts/r8a77980-v3hsk-u-boot.dts
@@ -0,0 +1,42 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Device Tree Source extras for U-Boot for the Eagle board
+ *
+ * Copyright (C) 2019 Cogent Embedded, Inc.
+ */
+
+#include "r8a77980-v3hsk.dts"
+#include "r8a77980-u-boot.dtsi"
+
+/ {
+	aliases {
+		spi0 = &rpc;
+	};
+};
+
+&rpc {
+	num-cs = <1>;
+	status = "okay";
+	spi-max-frequency = <50000000>;
+	#address-cells = <1>;
+	#size-cells = <0>;
+
+	flash0: spi-flash@0 {
+		#address-cells = <1>;
+		#size-cells = <1>;
+		compatible = "s25fs512s", "spi-flash", "jedec,spi-nor";
+		spi-max-frequency = <50000000>;
+		spi-tx-bus-width = <1>;
+		spi-rx-bus-width = <1>;
+		reg = <0>;
+		status = "okay";
+	};
+};
+
+&i2c0 {
+	cpld {
+		compatible = "renesas,v3hsk-cpld";
+		reg = <0x70>;
+		u-boot,i2c-offset-len = <2>;
+	};
+};
diff --git a/arch/arm/mach-rmobile/Kconfig.rcar3 b/arch/arm/mach-rmobile/Kconfig.rcar3
index 46d2742..ad35d10 100644
--- a/arch/arm/mach-rmobile/Kconfig.rcar3
+++ b/arch/arm/mach-rmobile/Kconfig.rcar3
@@ -99,6 +99,11 @@
 	help
           Support for Renesas R-Car Gen3 Condor platform
 
+config TARGET_V3HSK
+	bool "V3HSK board"
+	help
+          Support for Renesas R-Car Gen3 V3HSK platform
+
 config TARGET_DRAAK
 	bool "Draak board"
 	imply R8A77995
@@ -171,6 +176,7 @@
 source "board/renesas/ebisu/Kconfig"
 source "board/renesas/salvator-x/Kconfig"
 source "board/renesas/ulcb/Kconfig"
+source "board/renesas/v3hsk/Kconfig"
 source "board/renesas/v3msk/Kconfig"
 source "board/beacon/beacon-rzg2m/Kconfig"
 source "board/hoperun/hihope-rzg2/Kconfig"