clk: renesas: r8a7796: Add 3DGE and ZG support

The 3DGE and ZG clocks are necessary to support the 3D graphics.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/291462bea7ffc13f8218c1901dc384b576bfc2d6.1689599217.git.geert+renesas@glider.be

drivers/clk/renesas/r8a7796-cpg-mssr.c

@@ -81,6 +81,7 @@ static const struct cpg_core_clk r8a7796_core_clks[] __initconst = {
 	/* Core Clock Outputs */
 	DEF_GEN3_Z("z",         R8A7796_CLK_Z,     CLK_TYPE_GEN3_Z,  CLK_PLL0, 2, 8),
 	DEF_GEN3_Z("z2",        R8A7796_CLK_Z2,    CLK_TYPE_GEN3_Z,  CLK_PLL2, 2, 0),
+	DEF_GEN3_Z("zg",        R8A7796_CLK_ZG,    CLK_TYPE_GEN3_ZG, CLK_PLL4, 4, 24),
 	DEF_FIXED("ztr",        R8A7796_CLK_ZTR,   CLK_PLL1_DIV2,  6, 1),
 	DEF_FIXED("ztrd2",      R8A7796_CLK_ZTRD2, CLK_PLL1_DIV2, 12, 1),
 	DEF_FIXED("zt",         R8A7796_CLK_ZT,    CLK_PLL1_DIV2,  4, 1),
@@ -130,6 +131,7 @@ static const struct cpg_core_clk r8a7796_core_clks[] __initconst = {
 };
 
 static struct mssr_mod_clk r8a7796_mod_clks[] __initdata = {
+	DEF_MOD("3dge",			 112,	R8A7796_CLK_ZG),
 	DEF_MOD("fdp1-0",		 119,	R8A7796_CLK_S0D1),
 	DEF_MOD("tmu4",			 121,	R8A7796_CLK_S0D6),
 	DEF_MOD("tmu3",			 122,	R8A7796_CLK_S3D2),