xref: /openbmc/linux/drivers/clk/zynqmp/clk-zynqmp.h (revision a44e4f3a)
1 /* SPDX-License-Identifier: GPL-2.0 */
2 /*
3  *  Copyright (C) 2016-2018 Xilinx
4  */
5 
6 #ifndef __LINUX_CLK_ZYNQMP_H_
7 #define __LINUX_CLK_ZYNQMP_H_
8 
9 #include <linux/spinlock.h>
10 
11 #include <linux/firmware/xlnx-zynqmp.h>
12 
13 enum topology_type {
14 	TYPE_INVALID,
15 	TYPE_MUX,
16 	TYPE_PLL,
17 	TYPE_FIXEDFACTOR,
18 	TYPE_DIV1,
19 	TYPE_DIV2,
20 	TYPE_GATE,
21 };
22 
23 /**
24  * struct clock_topology - Clock topology
25  * @type:	Type of topology
26  * @flag:	Topology flags
27  * @type_flag:	Topology type specific flag
28  */
29 struct clock_topology {
30 	u32 type;
31 	u32 flag;
32 	u32 type_flag;
33 };
34 
35 struct clk_hw *zynqmp_clk_register_pll(const char *name, u32 clk_id,
36 				       const char * const *parents,
37 				       u8 num_parents,
38 				       const struct clock_topology *nodes);
39 
40 struct clk_hw *zynqmp_clk_register_gate(const char *name, u32 clk_id,
41 					const char * const *parents,
42 					u8 num_parents,
43 					const struct clock_topology *nodes);
44 
45 struct clk_hw *zynqmp_clk_register_divider(const char *name,
46 					   u32 clk_id,
47 					   const char * const *parents,
48 					   u8 num_parents,
49 					   const struct clock_topology *nodes);
50 
51 struct clk_hw *zynqmp_clk_register_mux(const char *name, u32 clk_id,
52 				       const char * const *parents,
53 				       u8 num_parents,
54 				       const struct clock_topology *nodes);
55 
56 struct clk_hw *zynqmp_clk_register_fixed_factor(const char *name,
57 					u32 clk_id,
58 					const char * const *parents,
59 					u8 num_parents,
60 					const struct clock_topology *nodes);
61 
62 #endif
63