Merge branch 'clk-renesas' into clk-next

* clk-renesas: (36 commits)
  clk: renesas: r7s9210: Add SPI clocks
  clk: renesas: r7s9210: Move table update to separate function
  clk: renesas: r7s9210: Convert some clocks to early
  clk: renesas: cpg-mssr: Add early clock support
  clk: renesas: r8a77970: Add TPU clock
  clk: renesas: r8a77990: Fix incorrect PLL0 divider in comment
  dt-bindings: clock: renesas: cpg-mssr: Document r8a774c0
  clk: renesas: cpg-mssr: Add r8a774c0 support
  clk: renesas: Add r8a774c0 CPG Core Clock Definitions
  clk: renesas: r8a7743: Add r8a7744 support
  clk: renesas: Add r8a7744 CPG Core Clock Definitions
  dt-bindings: clock: renesas: cpg-mssr: Document r8a7744 binding
  dt-bindings: clock: renesas: Convert to SPDX identifiers
  clk: renesas: cpg-mssr: Add R7S9210 support
  clk: renesas: r8a77970: Add TMU clocks
  clk: renesas: r8a77970: Add CMT clocks
  clk: renesas: r9a06g032: Fix UART34567 clock rate
  clk: renesas: r8a77970: Add SD0H/SD0 clocks for SDHI
  clk: renesas: r8a77980: Add CMT clocks
  clk: renesas: r8a77990: Add missing I2C7 clock
  ...

1 files changed, 31 insertions, 9 deletions

diff --git a/drivers/clk/renesas/rcar-gen3-cpg.c b/drivers/clk/renesas/rcar-gen3-cpg.c
index 07fabc6475c5..4ba38f98cc7b 100644
--- a/drivers/clk/renesas/rcar-gen3-cpg.c
+++ b/drivers/clk/renesas/rcar-gen3-cpg.c
@@ -2,7 +2,7 @@
 /*
  * R-Car Gen3 Clock Pulse Generator
  *
- * Copyright (C) 2015-2016 Glider bvba
+ * Copyright (C) 2015-2018 Glider bvba
  *
  * Based on clk-rcar-gen3.c
  *
@@ -28,6 +28,8 @@
 #define CPG_PLL2CR		0x002c
 #define CPG_PLL4CR		0x01f4
 
+#define CPG_RCKCR_CKSEL	BIT(15)	/* RCLK Clock Source Select */
+
 struct cpg_simple_notifier {
 	struct notifier_block nb;
 	void __iomem *reg;
@@ -441,7 +443,7 @@ struct clk * __init rcar_gen3_cpg_clk_register(struct device *dev,
 	unsigned int div = 1;
 	u32 value;
 
-	parent = clks[core->parent & 0xffff];	/* CLK_TYPE_PE uses high bits */
+	parent = clks[core->parent & 0xffff];	/* some types use high bits */
 	if (IS_ERR(parent))
 		return ERR_CAST(parent);
 
@@ -521,7 +523,7 @@ struct clk * __init rcar_gen3_cpg_clk_register(struct device *dev,
 
 			if (clk_get_rate(clks[cpg_clk_extalr])) {
 				parent = clks[cpg_clk_extalr];
-				value |= BIT(15);
+				value |= CPG_RCKCR_CKSEL;
 			}
 
 			writel(value, csn->reg);
@@ -534,16 +536,14 @@ struct clk * __init rcar_gen3_cpg_clk_register(struct device *dev,
 			parent = clks[cpg_clk_extalr];
 		break;
 
-	case CLK_TYPE_GEN3_PE:
+	case CLK_TYPE_GEN3_MDSEL:
 		/*
-		 * Peripheral clock with a fixed divider, selectable between
-		 * clean and spread spectrum parents using MD12
+		 * Clock selectable between two parents and two fixed dividers
+		 * using a mode pin
 		 */
-		if (cpg_mode & BIT(12)) {
-			/* Clean */
+		if (cpg_mode & BIT(core->offset)) {
 			div = core->div & 0xffff;
 		} else {
-			/* SCCG */
 			parent = clks[core->parent >> 16];
 			if (IS_ERR(parent))
 				return ERR_CAST(parent);
@@ -560,6 +560,28 @@ struct clk * __init rcar_gen3_cpg_clk_register(struct device *dev,
 		return cpg_z_clk_register(core->name, __clk_get_name(parent),
 					  base, CPG_FRQCRC_Z2FC_MASK);
 
+	case CLK_TYPE_GEN3_OSC:
+		/*
+		 * Clock combining OSC EXTAL predivider and a fixed divider
+		 */
+		div = cpg_pll_config->osc_prediv * core->div;
+		break;
+
+	case CLK_TYPE_GEN3_RCKSEL:
+		/*
+		 * Clock selectable between two parents and two fixed dividers
+		 * using RCKCR.CKSEL
+		 */
+		if (readl(base + CPG_RCKCR) & CPG_RCKCR_CKSEL) {
+			div = core->div & 0xffff;
+		} else {
+			parent = clks[core->parent >> 16];
+			if (IS_ERR(parent))
+				return ERR_CAST(parent);
+			div = core->div >> 16;
+		}
+		break;
+
 	default:
 		return ERR_PTR(-EINVAL);
 	}