diff options
Diffstat (limited to 'arch/arm/plat-samsung/include/plat/clock-clksrc.h')
-rw-r--r-- | arch/arm/plat-samsung/include/plat/clock-clksrc.h | 83 |
1 files changed, 0 insertions, 83 deletions
diff --git a/arch/arm/plat-samsung/include/plat/clock-clksrc.h b/arch/arm/plat-samsung/include/plat/clock-clksrc.h deleted file mode 100644 index 50a8ca7c3760..000000000000 --- a/arch/arm/plat-samsung/include/plat/clock-clksrc.h +++ /dev/null | |||
@@ -1,83 +0,0 @@ | |||
1 | /* linux/arch/arm/plat-samsung/include/plat/clock-clksrc.h | ||
2 | * | ||
3 | * Parts taken from arch/arm/plat-s3c64xx/clock.c | ||
4 | * Copyright 2008 Openmoko, Inc. | ||
5 | * Copyright 2008 Simtec Electronics | ||
6 | * Ben Dooks <ben@simtec.co.uk> | ||
7 | * http://armlinux.simtec.co.uk/ | ||
8 | * | ||
9 | * Copyright 2009 Ben Dooks <ben-linux@fluff.org> | ||
10 | * Copyright 2009 Harald Welte | ||
11 | * | ||
12 | * This program is free software; you can redistribute it and/or modify | ||
13 | * it under the terms of the GNU General Public License version 2 as | ||
14 | * published by the Free Software Foundation. | ||
15 | */ | ||
16 | |||
17 | /** | ||
18 | * struct clksrc_sources - list of sources for a given clock | ||
19 | * @sources: array of pointers to clocks | ||
20 | * @nr_sources: The size of @sources | ||
21 | */ | ||
22 | struct clksrc_sources { | ||
23 | unsigned int nr_sources; | ||
24 | struct clk **sources; | ||
25 | }; | ||
26 | |||
27 | /** | ||
28 | * struct clksrc_reg - register definition for clock control bits | ||
29 | * @reg: pointer to the register in virtual memory. | ||
30 | * @shift: the shift in bits to where the bitfield is. | ||
31 | * @size: the size in bits of the bitfield. | ||
32 | * | ||
33 | * This specifies the size and position of the bits we are interested | ||
34 | * in within the register specified by @reg. | ||
35 | */ | ||
36 | struct clksrc_reg { | ||
37 | void __iomem *reg; | ||
38 | unsigned short shift; | ||
39 | unsigned short size; | ||
40 | }; | ||
41 | |||
42 | /** | ||
43 | * struct clksrc_clk - class of clock for newer style samsung devices. | ||
44 | * @clk: the standard clock representation | ||
45 | * @sources: the sources for this clock | ||
46 | * @reg_src: the register definition for selecting the clock's source | ||
47 | * @reg_div: the register definition for the clock's output divisor | ||
48 | * | ||
49 | * This clock implements the features required by the newer SoCs where | ||
50 | * the standard clock block provides an input mux and a post-mux divisor | ||
51 | * to provide the periperhal's clock. | ||
52 | * | ||
53 | * The array of @sources provides the mapping of mux position to the | ||
54 | * clock, and @reg_src shows the code where to modify to change the mux | ||
55 | * position. The @reg_div defines how to change the divider settings on | ||
56 | * the output. | ||
57 | */ | ||
58 | struct clksrc_clk { | ||
59 | struct clk clk; | ||
60 | struct clksrc_sources *sources; | ||
61 | |||
62 | struct clksrc_reg reg_src; | ||
63 | struct clksrc_reg reg_div; | ||
64 | }; | ||
65 | |||
66 | /** | ||
67 | * s3c_set_clksrc() - setup the clock from the register settings | ||
68 | * @clk: The clock to setup. | ||
69 | * @announce: true to announce the setting to printk(). | ||
70 | * | ||
71 | * Setup the clock from the current register settings, for when the | ||
72 | * kernel boots or if it is resuming from a possibly unknown state. | ||
73 | */ | ||
74 | extern void s3c_set_clksrc(struct clksrc_clk *clk, bool announce); | ||
75 | |||
76 | /** | ||
77 | * s3c_register_clksrc() register clocks from an array of clksrc clocks | ||
78 | * @srcs: The array of clocks to register | ||
79 | * @size: The size of the @srcs array. | ||
80 | * | ||
81 | * Initialise and register the array of clocks described by @srcs. | ||
82 | */ | ||
83 | extern void s3c_register_clksrc(struct clksrc_clk *srcs, int size); | ||