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1 /*
2  * R-Car Gen3 Clock Pulse Generator
3  *
4  * Copyright (C) 2015-2016 Glider bvba
5  *
6  * This program is free software; you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License as published by
8  * the Free Software Foundation; version 2 of the License.
9  */
10 
11 #ifndef __CLK_RENESAS_RCAR_GEN3_CPG_H__
12 #define __CLK_RENESAS_RCAR_GEN3_CPG_H__
13 
14 enum rcar_gen3_clk_types {
15 	CLK_TYPE_GEN3_MAIN = CLK_TYPE_CUSTOM,
16 	CLK_TYPE_GEN3_PLL0,
17 	CLK_TYPE_GEN3_PLL1,
18 	CLK_TYPE_GEN3_PLL2,
19 	CLK_TYPE_GEN3_PLL3,
20 	CLK_TYPE_GEN3_PLL4,
21 	CLK_TYPE_GEN3_SD,
22 	CLK_TYPE_GEN3_RPC,
23 	CLK_TYPE_GEN3_R,
24 	CLK_TYPE_GEN3_PE,
25 	CLK_TYPE_GEN3_Z2,
26 };
27 
28 #define DEF_GEN3_SD(_name, _id, _parent, _offset)	\
29 	DEF_BASE(_name, _id, CLK_TYPE_GEN3_SD, _parent, .offset = _offset)
30 #define DEF_GEN3_RPC(_name, _id, _parent, _offset)	\
31 	DEF_BASE(_name, _id, CLK_TYPE_GEN3_RPC, _parent, .offset = _offset)
32 #define DEF_GEN3_PE(_name, _id, _parent_sscg, _div_sscg, _parent_clean, \
33 		    _div_clean) \
34 	DEF_BASE(_name, _id, CLK_TYPE_GEN3_PE,			\
35 		 (_parent_sscg) << 16 | (_parent_clean),	\
36 		 .div = (_div_sscg) << 16 | (_div_clean))
37 
38 struct rcar_gen3_cpg_pll_config {
39 	u8 extal_div;
40 	u8 pll1_mult;
41 	u8 pll1_div;
42 	u8 pll3_mult;
43 	u8 pll3_div;
44 };
45 
46 #define CPG_RCKCR	0x240
47 
48 struct gen3_clk_priv {
49 	void __iomem		*base;
50 	struct cpg_mssr_info	*info;
51 	struct clk		clk_extal;
52 	struct clk		clk_extalr;
53 	bool			sscg;
54 	const struct rcar_gen3_cpg_pll_config *cpg_pll_config;
55 };
56 
57 int gen3_clk_probe(struct udevice *dev);
58 int gen3_clk_remove(struct udevice *dev);
59 
60 extern const struct clk_ops gen3_clk_ops;
61 
62 #endif
63