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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
Maxime Ripard601da9d2014-07-04 22:24:52 +020010#define SUNXI_FACTORS_MUX_MASK 0x3
11
Emilio Lópeze874a662013-02-25 11:44:26 -030012struct clk_factors_config {
13 u8 nshift;
14 u8 nwidth;
15 u8 kshift;
16 u8 kwidth;
17 u8 mshift;
18 u8 mwidth;
19 u8 pshift;
20 u8 pwidth;
Chen-Yu Tsai9a5e6c72014-06-26 23:55:41 +080021 u8 n_start;
Emilio Lópeze874a662013-02-25 11:44:26 -030022};
23
Maxime Ripard601da9d2014-07-04 22:24:52 +020024struct factors_data {
25 int enable;
26 int mux;
27 struct clk_factors_config *table;
28 void (*getter) (u32 *rate, u32 parent_rate, u8 *n, u8 *k, u8 *m, u8 *p);
29 const char *name;
30};
31
Emilio López40a5dcb2013-12-23 00:32:32 -030032struct clk_factors {
33 struct clk_hw hw;
34 void __iomem *reg;
35 struct clk_factors_config *config;
36 void (*get_factors) (u32 *rate, u32 parent, u8 *n, u8 *k, u8 *m, u8 *p);
37 spinlock_t *lock;
38};
39
Maxime Ripard601da9d2014-07-04 22:24:52 +020040struct clk * __init sunxi_factors_register(struct device_node *node,
41 const struct factors_data *data,
42 spinlock_t *lock);
43
Emilio Lópeze874a662013-02-25 11:44:26 -030044#endif