clk: renesas: rcar-gen4: Add CLK_TYPE_GEN4_PLL4

R-Car V4H (r8a779g0) has PLL4 so that add CLK_TYPE_GEN4_PLL4.
Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Link: https://lore.kernel.org/r/20220425064201.459633-5-yoshihiro.shimoda.uh@renesas.comSigned-off-by: Geert Uytterhoeven <geert+renesas@glider.be>

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

@@ -244,7 +244,7 @@ static const unsigned int r8a779a0_crit_mod_clks[] __initconst = {
 /*
  *   MD	 EXTAL		PLL1	PLL20	PLL30	PLL4	PLL5	OSC
  * 14 13 (MHz)			   21	   31
- * --------------------------------------------------------
+ * ----------------------------------------------------------------
  * 0  0	 16.66 x 1	x128	x216	x128	x144	x192	/16
  * 0  1	 20    x 1	x106	x180	x106	x120	x160	/19
  * 1  0	 Prohibited setting
@@ -253,11 +253,11 @@ static const unsigned int r8a779a0_crit_mod_clks[] __initconst = {
 #define CPG_PLL_CONFIG_INDEX(md)	((((md) & BIT(14)) >> 13) | \
 					 (((md) & BIT(13)) >> 13))
 static const struct rcar_gen4_cpg_pll_config cpg_pll_configs[4] = {
-	/* EXTAL div	PLL1 mult/div	PLL2 mult/div	PLL3 mult/div	PLL5 mult/div	PLL6 mult/div	OSC prediv */
-	{ 1,		128,	1,	0,	0,	0,	0,	192,	1,	0,	0,	16,	},
-	{ 1,		106,	1,	0,	0,	0,	0,	160,	1,	0,	0,	19,	},
-	{ 0,		0,	0,	0,	0,	0,	0,	0,	0,	0,	0,	0,	},
-	{ 2,		128,	1,	0,	0,	0,	0,	192,	1,	0,	0,	32,	},
+	/* EXTAL div	PLL1 mult/div	PLL2 mult/div	PLL3 mult/div	PLL4 mult/div	PLL5 mult/div	PLL6 mult/div	OSC prediv */
+	{ 1,		128,	1,	0,	0,	0,	0,	144,	1,	192,	1,	0,	0,	16,	},
+	{ 1,		106,	1,	0,	0,	0,	0,	120,	1,	160,	1,	0,	0,	19,	},
+	{ 0,		0,	0,	0,	0,	0,	0,	0,	0,	0,	0,	0,	0,	0,	},
+	{ 2,		128,	1,	0,	0,	0,	0,	144,	1,	192,	1,	0,	0,	32,	},
 };
 
 

drivers/clk/renesas/r8a779f0-cpg-mssr.c

@@ -143,23 +143,23 @@ static const unsigned int r8a779f0_crit_mod_clks[] __initconst = {
  * CPG Clock Data
  */
 /*
- *   MD	 EXTAL		PLL1	PLL2	PLL3	PLL5	PLL6	OSC
+ *   MD	 EXTAL		PLL1	PLL2	PLL3	PLL4	PLL5	PLL6	OSC
  * 14 13 (MHz)
- * ----------------------------------------------------------------
- * 0  0	 16    / 1	x200	x150	x200	x200	x134	/15
- * 0  1	 20    / 1	x160	x120	x160	x160	x106	/19
+ * ------------------------------------------------------------------------
+ * 0  0	 16    / 1	x200	x150	x200	n/a	x200	x134	/15
+ * 0  1	 20    / 1	x160	x120	x160	n/a	x160	x106	/19
  * 1  0	 Prohibited setting
- * 1  1	 40    / 2	x160	x120	x160	x160	x106	/38
+ * 1  1	 40    / 2	x160	x120	x160	n/a	x160	x106	/38
  */
 #define CPG_PLL_CONFIG_INDEX(md)	((((md) & BIT(14)) >> 13) | \
 					 (((md) & BIT(13)) >> 13))
 
 static const struct rcar_gen4_cpg_pll_config cpg_pll_configs[4] = {
-	/* EXTAL div	PLL1 mult/div	PLL2 mult/div	PLL3 mult/div	PLL5 mult/div	PLL6 mult/div	OSC prediv */
-	{ 1,		200,	1,	150,	1,	200,	1,	200,	1,	134,	1,	15,	},
-	{ 1,		160,	1,	120,	1,	160,	1,	160,	1,	106,	1,	19,	},
-	{ 0,		0,	0,	0,	0,	0,	0,	0,	0,	0,	0,	0,	},
-	{ 2,		160,	1,	120,	1,	160,	1,	160,	1,	106,	1,	38,	},
+	/* EXTAL div	PLL1 mult/div	PLL2 mult/div	PLL3 mult/div	PLL4 mult/div	PLL5 mult/div	PLL6 mult/div	OSC prediv */
+	{ 1,		200,	1,	150,	1,	200,	1,	0,	0,	200,	1,	134,	1,	15,	},
+	{ 1,		160,	1,	120,	1,	160,	1,	0,	0,	160,	1,	106,	1,	19,	},
+	{ 0,		0,	0,	0,	0,	0,	0,	0,	0,	0,	0,	0,	0,	0,	},
+	{ 2,		160,	1,	120,	1,	160,	1,	0,	0,	160,	1,	106,	1,	38,	},
 };
 
 static int __init r8a779f0_cpg_mssr_init(struct device *dev)

drivers/clk/renesas/rcar-gen4-cpg.c

@@ -215,6 +215,11 @@ struct clk * __init rcar_gen4_cpg_clk_register(struct device *dev,
 		div = cpg_pll_config->pll3_div;
 		break;
 
+	case CLK_TYPE_GEN4_PLL4:
+		mult = cpg_pll_config->pll4_mult;
+		div = cpg_pll_config->pll4_div;
+		break;
+
 	case CLK_TYPE_GEN4_PLL5:
 		mult = cpg_pll_config->pll5_mult;
 		div = cpg_pll_config->pll5_div;

drivers/clk/renesas/rcar-gen4-cpg.h

@@ -16,6 +16,7 @@ enum rcar_gen4_clk_types {
 	CLK_TYPE_GEN4_PLL2X_3X,	/* r8a779a0 only */
 	CLK_TYPE_GEN4_PLL3,
 	CLK_TYPE_GEN4_PLL5,
+	CLK_TYPE_GEN4_PLL4,
 	CLK_TYPE_GEN4_PLL6,
 	CLK_TYPE_GEN4_SDSRC,
 	CLK_TYPE_GEN4_SDH,
@@ -56,6 +57,8 @@ struct rcar_gen4_cpg_pll_config {
 	u8 pll2_div;
 	u8 pll3_mult;
 	u8 pll3_div;
+	u8 pll4_mult;
+	u8 pll4_div;
 	u8 pll5_mult;
 	u8 pll5_div;
 	u8 pll6_mult;