From ace9429bb58fd418f0c81d4c2835699bddf6bde6 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Thu, 11 Apr 2024 10:27:49 +0200
Subject: Adding upstream version 6.6.15.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 drivers/clk/renesas/rcar-gen3-cpg.h | 89 +++++++++++++++++++++++++++++++++++++
 1 file changed, 89 insertions(+)
 create mode 100644 drivers/clk/renesas/rcar-gen3-cpg.h

(limited to 'drivers/clk/renesas/rcar-gen3-cpg.h')

diff --git a/drivers/clk/renesas/rcar-gen3-cpg.h b/drivers/clk/renesas/rcar-gen3-cpg.h
new file mode 100644
index 0000000000..bfdc649bdf
--- /dev/null
+++ b/drivers/clk/renesas/rcar-gen3-cpg.h
@@ -0,0 +1,89 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * R-Car Gen3 Clock Pulse Generator
+ *
+ * Copyright (C) 2015-2018 Glider bvba
+ * Copyright (C) 2018 Renesas Electronics Corp.
+ *
+ */
+
+#ifndef __CLK_RENESAS_RCAR_GEN3_CPG_H__
+#define __CLK_RENESAS_RCAR_GEN3_CPG_H__
+
+enum rcar_gen3_clk_types {
+	CLK_TYPE_GEN3_MAIN = CLK_TYPE_CUSTOM,
+	CLK_TYPE_GEN3_PLL0,
+	CLK_TYPE_GEN3_PLL1,
+	CLK_TYPE_GEN3_PLL2,
+	CLK_TYPE_GEN3_PLL3,
+	CLK_TYPE_GEN3_PLL4,
+	CLK_TYPE_GEN3_SDH,
+	CLK_TYPE_GEN3_SD,
+	CLK_TYPE_GEN3_R,
+	CLK_TYPE_GEN3_MDSEL,	/* Select parent/divider using mode pin */
+	CLK_TYPE_GEN3_Z,
+	CLK_TYPE_GEN3_ZG,
+	CLK_TYPE_GEN3_OSC,	/* OSC EXTAL predivider and fixed divider */
+	CLK_TYPE_GEN3_RCKSEL,	/* Select parent/divider using RCKCR.CKSEL */
+	CLK_TYPE_GEN3_RPCSRC,
+	CLK_TYPE_GEN3_E3_RPCSRC,/* Select parent/divider using RPCCKCR.DIV */
+	CLK_TYPE_GEN3_RPC,
+	CLK_TYPE_GEN3_RPCD2,
+
+	/* SoC specific definitions start here */
+	CLK_TYPE_GEN3_SOC_BASE,
+};
+
+#define DEF_GEN3_SDH(_name, _id, _parent, _offset)	\
+	DEF_BASE(_name, _id, CLK_TYPE_GEN3_SDH, _parent, .offset = _offset)
+
+#define DEF_GEN3_SD(_name, _id, _parent, _offset)	\
+	DEF_BASE(_name, _id, CLK_TYPE_GEN3_SD, _parent, .offset = _offset)
+
+#define DEF_GEN3_MDSEL(_name, _id, _md, _parent0, _div0, _parent1, _div1) \
+	DEF_BASE(_name, _id, CLK_TYPE_GEN3_MDSEL,	\
+		 (_parent0) << 16 | (_parent1),		\
+		 .div = (_div0) << 16 | (_div1), .offset = _md)
+
+#define DEF_GEN3_PE(_name, _id, _parent_sscg, _div_sscg, _parent_clean, \
+		    _div_clean) \
+	DEF_GEN3_MDSEL(_name, _id, 12, _parent_sscg, _div_sscg,	\
+		       _parent_clean, _div_clean)
+
+#define DEF_GEN3_OSC(_name, _id, _parent, _div)		\
+	DEF_BASE(_name, _id, CLK_TYPE_GEN3_OSC, _parent, .div = _div)
+
+#define DEF_GEN3_RCKSEL(_name, _id, _parent0, _div0, _parent1, _div1) \
+	DEF_BASE(_name, _id, CLK_TYPE_GEN3_RCKSEL,	\
+		 (_parent0) << 16 | (_parent1),	.div = (_div0) << 16 | (_div1))
+
+#define DEF_GEN3_Z(_name, _id, _type, _parent, _div, _offset)	\
+	DEF_BASE(_name, _id, _type, _parent, .div = _div, .offset = _offset)
+
+#define DEF_FIXED_RPCSRC_E3(_name, _id, _parent0, _parent1)	\
+	DEF_BASE(_name, _id, CLK_TYPE_GEN3_E3_RPCSRC,	\
+		 (_parent0) << 16 | (_parent1), .div = 8)
+#define DEF_FIXED_RPCSRC_D3(_name, _id, _parent0, _parent1)	\
+	DEF_BASE(_name, _id, CLK_TYPE_GEN3_E3_RPCSRC,	\
+		 (_parent0) << 16 | (_parent1), .div = 5)
+
+struct rcar_gen3_cpg_pll_config {
+	u8 extal_div;
+	u8 pll1_mult;
+	u8 pll1_div;
+	u8 pll3_mult;
+	u8 pll3_div;
+	u8 osc_prediv;
+};
+
+#define CPG_RPCCKCR	0x238
+#define CPG_RCKCR	0x240
+
+struct clk *rcar_gen3_cpg_clk_register(struct device *dev,
+	const struct cpg_core_clk *core, const struct cpg_mssr_info *info,
+	struct clk **clks, void __iomem *base,
+	struct raw_notifier_head *notifiers);
+int rcar_gen3_cpg_init(const struct rcar_gen3_cpg_pll_config *config,
+		       unsigned int clk_extalr, u32 mode);
+
+#endif
-- 
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