xref: /OK3568_Linux_fs/kernel/arch/m68k/include/asm/mcfclk.h (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 */
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun  * mcfclk.h -- coldfire specific clock structure
4*4882a593Smuzhiyun  */
5*4882a593Smuzhiyun 
6*4882a593Smuzhiyun 
7*4882a593Smuzhiyun #ifndef mcfclk_h
8*4882a593Smuzhiyun #define mcfclk_h
9*4882a593Smuzhiyun 
10*4882a593Smuzhiyun struct clk;
11*4882a593Smuzhiyun 
12*4882a593Smuzhiyun struct clk_ops {
13*4882a593Smuzhiyun 	void (*enable)(struct clk *);
14*4882a593Smuzhiyun 	void (*disable)(struct clk *);
15*4882a593Smuzhiyun };
16*4882a593Smuzhiyun 
17*4882a593Smuzhiyun struct clk {
18*4882a593Smuzhiyun 	const char *name;
19*4882a593Smuzhiyun 	struct clk_ops *clk_ops;
20*4882a593Smuzhiyun 	unsigned long rate;
21*4882a593Smuzhiyun 	unsigned long enabled;
22*4882a593Smuzhiyun 	u8 slot;
23*4882a593Smuzhiyun };
24*4882a593Smuzhiyun 
25*4882a593Smuzhiyun extern struct clk *mcf_clks[];
26*4882a593Smuzhiyun 
27*4882a593Smuzhiyun #ifdef MCFPM_PPMCR0
28*4882a593Smuzhiyun extern struct clk_ops clk_ops0;
29*4882a593Smuzhiyun #ifdef MCFPM_PPMCR1
30*4882a593Smuzhiyun extern struct clk_ops clk_ops1;
31*4882a593Smuzhiyun #endif /* MCFPM_PPMCR1 */
32*4882a593Smuzhiyun 
33*4882a593Smuzhiyun extern struct clk_ops clk_ops2;
34*4882a593Smuzhiyun 
35*4882a593Smuzhiyun #define DEFINE_CLK(clk_bank, clk_name, clk_slot, clk_rate) \
36*4882a593Smuzhiyun static struct clk __clk_##clk_bank##_##clk_slot = { \
37*4882a593Smuzhiyun 	.name = clk_name, \
38*4882a593Smuzhiyun 	.clk_ops = &clk_ops##clk_bank, \
39*4882a593Smuzhiyun 	.rate = clk_rate, \
40*4882a593Smuzhiyun 	.slot = clk_slot, \
41*4882a593Smuzhiyun }
42*4882a593Smuzhiyun 
43*4882a593Smuzhiyun void __clk_init_enabled(struct clk *);
44*4882a593Smuzhiyun void __clk_init_disabled(struct clk *);
45*4882a593Smuzhiyun #else
46*4882a593Smuzhiyun #define DEFINE_CLK(clk_ref, clk_name, clk_rate) \
47*4882a593Smuzhiyun         static struct clk clk_##clk_ref = { \
48*4882a593Smuzhiyun                 .name = clk_name, \
49*4882a593Smuzhiyun                 .rate = clk_rate, \
50*4882a593Smuzhiyun         }
51*4882a593Smuzhiyun #endif /* MCFPM_PPMCR0 */
52*4882a593Smuzhiyun 
53*4882a593Smuzhiyun #endif /* mcfclk_h */
54