clk: renesas: r8a774b1: Add 3DGE and ZG support

The 3DGE and ZG clocks are necessary to support the 3D graphics.
Signed-off-by: Adam Ford <aford173@gmail.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20230617150302.38477-4-aford173@gmail.comSigned-off-by: Geert Uytterhoeven <geert+renesas@glider.be>

drivers/clk/renesas/r8a774b1-cpg-mssr.c

@@ -73,6 +73,7 @@ static const struct cpg_core_clk r8a774b1_core_clks[] __initconst = {
 
 	/* Core Clock Outputs */
 	DEF_GEN3_Z("z",         R8A774B1_CLK_Z,     CLK_TYPE_GEN3_Z,  CLK_PLL0, 2, 8),
+	DEF_GEN3_Z("zg",        R8A774B1_CLK_ZG,    CLK_TYPE_GEN3_ZG, CLK_PLL4, 4, 24),
 	DEF_FIXED("ztr",        R8A774B1_CLK_ZTR,   CLK_PLL1_DIV2,  6, 1),
 	DEF_FIXED("ztrd2",      R8A774B1_CLK_ZTRD2, CLK_PLL1_DIV2, 12, 1),
 	DEF_FIXED("zt",         R8A774B1_CLK_ZT,    CLK_PLL1_DIV2,  4, 1),
@@ -120,6 +121,7 @@ static const struct cpg_core_clk r8a774b1_core_clks[] __initconst = {
 };
 
 static const struct mssr_mod_clk r8a774b1_mod_clks[] __initconst = {
+	DEF_MOD("3dge",			 112,	R8A774B1_CLK_ZG),
 	DEF_MOD("tmu4",			 121,	R8A774B1_CLK_S0D6),
 	DEF_MOD("tmu3",			 122,	R8A774B1_CLK_S3D2),
 	DEF_MOD("tmu2",			 123,	R8A774B1_CLK_S3D2),