clk: renesas: cpg-mssr: Add r8a774e1 support

Add support for the RZ/G2H (R8A774E1) SoC to the Renesas Clock
Pulse Generator / Module Standby and Software Reset driver.
Signed-off-by: Marian-Cristian Rotariu <marian-cristian.rotariu.rb@bp.renesas.com>
Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Link: https://lore.kernel.org/r/1594138692-16816-11-git-send-email-prabhakar.mahadev-lad.rj@bp.renesas.com
[geert: Mark RWDT critical, cfr. commit f23f1101 ("clk: renesas: rcar-gen3: Mark RWDT clocks as critical")]
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>

drivers/clk/renesas/Kconfig

@@ -15,6 +15,7 @@ config CLK_RENESAS
 	select CLK_R8A774A1 if ARCH_R8A774A1
 	select CLK_R8A774B1 if ARCH_R8A774B1
 	select CLK_R8A774C0 if ARCH_R8A774C0
+	select CLK_R8A774E1 if ARCH_R8A774E1
 	select CLK_R8A7778 if ARCH_R8A7778
 	select CLK_R8A7779 if ARCH_R8A7779
 	select CLK_R8A7790 if ARCH_R8A7790
@@ -84,6 +85,10 @@ config CLK_R8A774C0
 	bool "RZ/G2E clock support" if COMPILE_TEST
 	select CLK_RCAR_GEN3_CPG
 
+config CLK_R8A774E1
+	bool "RZ/G2H 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

@@ -12,6 +12,7 @@ obj-$(CONFIG_CLK_R8A77470)		+= r8a77470-cpg-mssr.o
 obj-$(CONFIG_CLK_R8A774A1)		+= r8a774a1-cpg-mssr.o
 obj-$(CONFIG_CLK_R8A774B1)		+= r8a774b1-cpg-mssr.o
 obj-$(CONFIG_CLK_R8A774C0)		+= r8a774c0-cpg-mssr.o
+obj-$(CONFIG_CLK_R8A774E1)		+= r8a774e1-cpg-mssr.o
 obj-$(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

@@ -721,6 +721,12 @@ static const struct of_device_id cpg_mssr_match[] = {
 		.data = &r8a774c0_cpg_mssr_info,
 	},
 #endif
+#ifdef CONFIG_CLK_R8A774E1
+	{
+		.compatible = "renesas,r8a774e1-cpg-mssr",
+		.data = &r8a774e1_cpg_mssr_info,
+	},
+#endif
 #ifdef CONFIG_CLK_R8A7790
 	{
 		.compatible = "renesas,r8a7790-cpg-mssr",

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

@@ -162,6 +162,7 @@ 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 r8a774b1_cpg_mssr_info;
 extern const struct cpg_mssr_info r8a774c0_cpg_mssr_info;
+extern const struct cpg_mssr_info r8a774e1_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;