clk: renesas: cpg-mssr: Add r8a774c0 support

Add RZ/G2E (R8A774C0) Clock Pulse Generator / Module Standby and
Software Reset support.

Based on Table 8.2g of "RZ/G Series, 2nd Generation User's Manual:
Hardware (Rev. 0.61, June 12, 2018)".
Signed-off-by: Fabrizio Castro <fabrizio.castro@bp.renesas.com>
Reviewed-by: Biju Das <biju.das@bp.renesas.com>
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>

drivers/clk/renesas/Kconfig

@@ -10,6 +10,7 @@ config CLK_RENESAS
 	select CLK_R8A7745 if ARCH_R8A7745
 	select CLK_R8A77470 if ARCH_R8A77470
 	select CLK_R8A774A1 if ARCH_R8A774A1
+	select CLK_R8A774C0 if ARCH_R8A774C0
 	select CLK_R8A7778 if ARCH_R8A7778
 	select CLK_R8A7779 if ARCH_R8A7779
 	select CLK_R8A7790 if ARCH_R8A7790
@@ -77,6 +78,10 @@ config CLK_R8A774A1
 	bool "RZ/G2M clock support" if COMPILE_TEST
 	select CLK_RCAR_GEN3_CPG
 
+config CLK_R8A774C0
+	bool "RZ/G2E clock support" if COMPILE_TEST
+	select CLK_RCAR_GEN3_CPG
+
 config CLK_R8A7778
 	bool "R-Car M1A clock support" if COMPILE_TEST
 	select CLK_RENESAS_CPG_MSTP

drivers/clk/renesas/Makefile

@@ -9,6 +9,7 @@ obj-$(CONFIG_CLK_R8A7743)		+= r8a7743-cpg-mssr.o
 obj-$(CONFIG_CLK_R8A7745)		+= r8a7745-cpg-mssr.o
 obj-$(CONFIG_CLK_R8A77470)		+= r8a77470-cpg-mssr.o
 obj-$(CONFIG_CLK_R8A774A1)		+= r8a774a1-cpg-mssr.o
+obj-$(CONFIG_CLK_R8A774C0)		+= r8a774c0-cpg-mssr.o
 obj-$(CONFIG_CLK_R8A7778)		+= clk-r8a7778.o
 obj-$(CONFIG_CLK_R8A7779)		+= clk-r8a7779.o
 obj-$(CONFIG_CLK_R8A7790)		+= r8a7790-cpg-mssr.o

drivers/clk/renesas/renesas-cpg-mssr.c

@@ -717,6 +717,12 @@ static const struct of_device_id cpg_mssr_match[] = {
 		.data = &r8a774a1_cpg_mssr_info,
 	},
 #endif
+#ifdef CONFIG_CLK_R8A774C0
+	{
+		.compatible = "renesas,r8a774c0-cpg-mssr",
+		.data = &r8a774c0_cpg_mssr_info,
+	},
+#endif
 #ifdef CONFIG_CLK_R8A7790
 	{
 		.compatible = "renesas,r8a7790-cpg-mssr",

drivers/clk/renesas/renesas-cpg-mssr.h

@@ -151,6 +151,7 @@ extern const struct cpg_mssr_info r8a7743_cpg_mssr_info;
 extern const struct cpg_mssr_info r8a7745_cpg_mssr_info;
 extern const struct cpg_mssr_info r8a77470_cpg_mssr_info;
 extern const struct cpg_mssr_info r8a774a1_cpg_mssr_info;
+extern const struct cpg_mssr_info r8a774c0_cpg_mssr_info;
 extern const struct cpg_mssr_info r8a7790_cpg_mssr_info;
 extern const struct cpg_mssr_info r8a7791_cpg_mssr_info;
 extern const struct cpg_mssr_info r8a7792_cpg_mssr_info;