ARM: shmobile: r8a7744: Basic SoC support

Add minimal support for the RZ/G1N (R8A7744) SoC.
Signed-off-by: Biju Das <biju.das@bp.renesas.com>
Reviewed-by: Fabrizio Castro <fabrizio.castro@bp.renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

arch/arm/mach-shmobile/Kconfig

@@ -69,6 +69,11 @@ config ARCH_R8A7743
 	select ARCH_RCAR_GEN2
 	select ARM_ERRATA_798181 if SMP
 
+config ARCH_R8A7744
+	bool "RZ/G1N (R8A77440)"
+	select ARCH_RCAR_GEN2
+	select ARM_ERRATA_798181 if SMP
+
 config ARCH_R8A7745
 	bool "RZ/G1E (R8A77450)"
 	select ARCH_RCAR_GEN2

arch/arm/mach-shmobile/setup-rcar-gen2.c

@@ -25,6 +25,7 @@
 static const struct of_device_id cpg_matches[] __initconst = {
 	{ .compatible = "renesas,rcar-gen2-cpg-clocks", },
 	{ .compatible = "renesas,r8a7743-cpg-mssr", .data = "extal" },
+	{ .compatible = "renesas,r8a7744-cpg-mssr", .data = "extal" },
 	{ .compatible = "renesas,r8a7790-cpg-mssr", .data = "extal" },
 	{ .compatible = "renesas,r8a7791-cpg-mssr", .data = "extal" },
 	{ .compatible = "renesas,r8a7793-cpg-mssr", .data = "extal" },
@@ -193,6 +194,7 @@ MACHINE_END
 
 static const char * const rz_g1_boards_compat_dt[] __initconst = {
 	"renesas,r8a7743",
+	"renesas,r8a7744",
 	"renesas,r8a7745",
 	"renesas,r8a77470",
 	NULL,