blob: 171085ab5513e4f724017d05d6f91929262a4f78 [file] [log] [blame]
Emilio Lópeze874a662013-02-25 11:44:26 -03001#ifndef __MACH_SUNXI_CLK_FACTORS_H
2#define __MACH_SUNXI_CLK_FACTORS_H
3
4#include <linux/clk-provider.h>
5#include <linux/clkdev.h>
Maxime Ripard601da9d2014-07-04 22:24:52 +02006#include <linux/spinlock.h>
Emilio Lópeze874a662013-02-25 11:44:26 -03007
8#define SUNXI_FACTORS_NOT_APPLICABLE (0)
9
10struct clk_factors_config {
11 u8 nshift;
12 u8 nwidth;
13 u8 kshift;
14 u8 kwidth;
15 u8 mshift;
16 u8 mwidth;
17 u8 pshift;
18 u8 pwidth;
Chen-Yu Tsai9a5e6c72014-06-26 23:55:41 +080019 u8 n_start;
Emilio Lópeze874a662013-02-25 11:44:26 -030020};
21
Maxime Ripard601da9d2014-07-04 22:24:52 +020022struct factors_data {
23 int enable;
24 int mux;
Chen-Yu Tsaie94f8cb32014-10-20 22:10:26 +080025 int muxmask;
Maxime Ripard601da9d2014-07-04 22:24:52 +020026 struct clk_factors_config *table;
27 void (*getter) (u32 *rate, u32 parent_rate, u8 *n, u8 *k, u8 *m, u8 *p);
28 const char *name;
29};
30
Emilio López40a5dcb2013-12-23 00:32:32 -030031struct clk_factors {
32 struct clk_hw hw;
33 void __iomem *reg;
34 struct clk_factors_config *config;
35 void (*get_factors) (u32 *rate, u32 parent, u8 *n, u8 *k, u8 *m, u8 *p);
36 spinlock_t *lock;
37};
38
Hans de Goede7c74c222014-11-23 14:38:07 +010039struct clk *sunxi_factors_register(struct device_node *node,
40 const struct factors_data *data,
41 spinlock_t *lock,
42 void __iomem *reg);
Maxime Ripard601da9d2014-07-04 22:24:52 +020043
Emilio Lópeze874a662013-02-25 11:44:26 -030044#endif