soc: renesas: Identify R-Car V4H

Add support for identifying the R-Car V4H (R8A779G0) SoC.
Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Link: https://lore.kernel.org/r/20220420084255.375700-11-yoshihiro.shimoda.uh@renesas.comSigned-off-by: Geert Uytterhoeven <geert+renesas@glider.be>

drivers/soc/renesas/Kconfig

@@ -268,6 +268,13 @@ config ARCH_R8A779A0
 	help
 	  This enables support for the Renesas R-Car V3U SoC.
 
+config ARCH_R8A779G0
+	bool "ARM64 Platform support for R-Car V4H"
+	select ARCH_RCAR_GEN3
+	select SYSC_R8A779G0
+	help
+	  This enables support for the Renesas R-Car V4H SoC.
+
 config ARCH_R8A774C0
 	bool "ARM64 Platform support for RZ/G2E"
 	select ARCH_RCAR_GEN3

drivers/soc/renesas/renesas-soc.c

@@ -241,6 +241,11 @@ static const struct renesas_soc soc_rcar_s4 __initconst __maybe_unused = {
 	.id	= 0x5a,
 };
 
+static const struct renesas_soc soc_rcar_v4h __initconst __maybe_unused = {
+	.family	= &fam_rcar_gen4,
+	.id	= 0x5c,
+};
+
 static const struct renesas_soc soc_shmobile_ag5 __initconst __maybe_unused = {
 	.family	= &fam_shmobile,
 	.id	= 0x37,
@@ -349,6 +354,9 @@ static const struct of_device_id renesas_socs[] __initconst = {
 #ifdef CONFIG_ARCH_R8A779F0
 	{ .compatible = "renesas,r8a779f0",	.data = &soc_rcar_s4 },
 #endif
+#ifdef CONFIG_ARCH_R8A779G0
+	{ .compatible = "renesas,r8a779g0",	.data = &soc_rcar_v4h },
+#endif
 #if defined(CONFIG_ARCH_R9A07G043)
 	{ .compatible = "renesas,r9a07g043",	.data = &soc_rz_g2ul },
 #endif