clk: renesas: r9a07g044: Add M1 clock support

Add support for M1 clock which is sourced from FOUTPOSTDIV.
Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Link: https://lore.kernel.org/r/20220430114156.6260-5-biju.das.jz@bp.renesas.comSigned-off-by: Geert Uytterhoeven <geert+renesas@glider.be>

drivers/clk/renesas/r9a07g044-cpg.c

@@ -40,6 +40,8 @@ enum clk_ids {
 	CLK_DIV_PLL3_C,
 	CLK_PLL4,
 	CLK_PLL5,
+	CLK_PLL5_FOUTPOSTDIV,
+	CLK_PLL5_FOUT1PH0,
 	CLK_PLL5_FOUT3,
 	CLK_PLL5_250,
 	CLK_PLL6,
@@ -52,6 +54,7 @@ enum clk_ids {
 	CLK_SD0_DIV4,
 	CLK_SD1_DIV4,
 	CLK_SEL_GPU2,
+	CLK_SEL_PLL5_4,
 
 	/* Module Clocks */
 	MOD_CLK_BASE,
@@ -77,12 +80,13 @@ static const struct clk_div_table dtable_1_32[] = {
 
 /* Mux clock tables */
 static const char * const sel_pll3_3[] = { ".pll3_533", ".pll3_400" };
+static const char * const sel_pll5_4[] = { ".pll5_foutpostdiv", ".pll5_fout1ph0" };
 static const char * const sel_pll6_2[]	= { ".pll6_250", ".pll5_250" };
 static const char * const sel_shdi[] = { ".clk_533", ".clk_400", ".clk_266" };
 static const char * const sel_gpu2[] = { ".pll6", ".pll3_div2_2" };
 
 static const struct {
-	struct cpg_core_clk common[44];
+	struct cpg_core_clk common[48];
 #ifdef CONFIG_CLK_R9A07G054
 	struct cpg_core_clk drp[0];
 #endif
@@ -127,6 +131,10 @@ static const struct {
 		DEF_FIXED(".pll6_250", CLK_PLL6_250, CLK_PLL6, 1, 2),
 		DEF_MUX(".sel_gpu2", CLK_SEL_GPU2, SEL_GPU2,
 			sel_gpu2, ARRAY_SIZE(sel_gpu2), 0, CLK_MUX_READ_ONLY),
+		DEF_PLL5_FOUTPOSTDIV(".pll5_foutpostdiv", CLK_PLL5_FOUTPOSTDIV, CLK_EXTAL),
+		DEF_FIXED(".pll5_fout1ph0", CLK_PLL5_FOUT1PH0, CLK_PLL5_FOUTPOSTDIV, 1, 2),
+		DEF_PLL5_4_MUX(".sel_pll5_4", CLK_SEL_PLL5_4, SEL_PLL5_4,
+			       sel_pll5_4, ARRAY_SIZE(sel_pll5_4)),
 
 		/* Core output clk */
 		DEF_DIV("I", R9A07G044_CLK_I, CLK_PLL1, DIVPL1A, dtable_1_8,
@@ -154,6 +162,7 @@ static const struct {
 		DEF_FIXED("SD1_DIV4", CLK_SD1_DIV4, R9A07G044_CLK_SD1, 1, 4),
 		DEF_DIV("G", R9A07G044_CLK_G, CLK_SEL_GPU2, DIVGPU, dtable_1_8,
 			CLK_DIVIDER_HIWORD_MASK),
+		DEF_FIXED("M1", R9A07G044_CLK_M1, CLK_PLL5_FOUTPOSTDIV, 1, 1),
 	},
 #ifdef CONFIG_CLK_R9A07G054
 	.drp = {