diff options
author | Russell King <rmk+kernel@arm.linux.org.uk> | 2011-01-06 22:31:35 +0000 |
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committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2011-01-06 22:32:03 +0000 |
commit | 4ec3eb13634529c0bc7466658d84d0bbe3244aea (patch) | |
tree | b491daac2ccfc7b8ca88e171a43f66888463568a /Documentation/sh/clk.txt | |
parent | 24056f525051a9e186af28904b396320e18bf9a0 (diff) | |
parent | 15095bb0fe779c0403091bda7adce5fb3bb9ca35 (diff) |
Merge branch 'smp' into misc
Conflicts:
arch/arm/kernel/entry-armv.S
arch/arm/mm/ioremap.c
Diffstat (limited to 'Documentation/sh/clk.txt')
-rw-r--r-- | Documentation/sh/clk.txt | 32 |
1 files changed, 0 insertions, 32 deletions
diff --git a/Documentation/sh/clk.txt b/Documentation/sh/clk.txt deleted file mode 100644 index 114b595cfa9..00000000000 --- a/Documentation/sh/clk.txt +++ /dev/null @@ -1,32 +0,0 @@ -Clock framework on SuperH architecture - -The framework on SH extends existing API by the function clk_set_rate_ex, -which prototype is as follows: - - clk_set_rate_ex (struct clk *clk, unsigned long rate, int algo_id) - -The algo_id parameter is used to specify algorithm used to recalculate clocks, -adjanced to clock, specified as first argument. It is assumed that algo_id==0 -means no changes to adjanced clock - -Internally, the clk_set_rate_ex forwards request to clk->ops->set_rate method, -if it is present in ops structure. The method should set the clock rate and adjust -all needed clocks according to the passed algo_id. -Exact values for algo_id are machine-dependent. For the sh7722, the following -values are defined: - - NO_CHANGE = 0, - IUS_N1_N1, /* I:U = N:1, U:Sh = N:1 */ - IUS_322, /* I:U:Sh = 3:2:2 */ - IUS_522, /* I:U:Sh = 5:2:2 */ - IUS_N11, /* I:U:Sh = N:1:1 */ - SB_N1, /* Sh:B = N:1 */ - SB3_N1, /* Sh:B3 = N:1 */ - SB3_32, /* Sh:B3 = 3:2 */ - SB3_43, /* Sh:B3 = 4:3 */ - SB3_54, /* Sh:B3 = 5:4 */ - BP_N1, /* B:P = N:1 */ - IP_N1 /* I:P = N:1 */ - -Each of these constants means relation between clocks that can be set via the FRQCR -register |