clk: renesas: r8a779a0: Add RWDT clocks

And introduce critical clocks, too, because RWDT is one.

Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Link: https://lore.kernel.org/r/20201218173731.12839-3-wsa+renesas@sang-engineering.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>

Author: Wolfram Sang

drivers/clk/renesas/r8a779a0-cpg-mssr.c

@@ -192,6 +192,7 @@ static const struct mssr_mod_clk r8a779a0_mod_clks[] __initconst = {
 	DEF_MOD("vin37",	829,	R8A779A0_CLK_S1D1),
 	DEF_MOD("vspd0",	830,	R8A779A0_CLK_S3D1),
 	DEF_MOD("vspd1",	831,	R8A779A0_CLK_S3D1),
+	DEF_MOD("rwdt",		907,	R8A779A0_CLK_R),
 	DEF_MOD("vspx0",	1028,	R8A779A0_CLK_S1D1),
 	DEF_MOD("vspx1",	1029,	R8A779A0_CLK_S1D1),
 	DEF_MOD("vspx2",	1030,	R8A779A0_CLK_S1D1),
@@ -269,6 +270,10 @@ static struct clk * __init rcar_r8a779a0_cpg_clk_register(struct device *dev,
 					 __clk_get_name(parent), 0, mult, div);
 }
 
+static const unsigned int r8a779a0_crit_mod_clks[] __initconst = {
+	MOD_CLK_ID(907),	/* RWDT */
+};
+
 /*
  * CPG Clock Data
  */
@@ -319,6 +324,10 @@ const struct cpg_mssr_info r8a779a0_cpg_mssr_info __initconst = {
 	.num_mod_clks = ARRAY_SIZE(r8a779a0_mod_clks),
 	.num_hw_mod_clks = 15 * 32,
 
+	/* Critical Module Clocks */
+	.crit_mod_clks		= r8a779a0_crit_mod_clks,
+	.num_crit_mod_clks	= ARRAY_SIZE(r8a779a0_crit_mod_clks),
+
 	/* Callbacks */
 	.init = r8a779a0_cpg_mssr_init,
 	.cpg_clk_register = rcar_r8a779a0_cpg_clk_register,