summaryrefslogtreecommitdiffstats
path: root/drivers/clk/samsung/clk.h
diff options
context:
space:
mode:
authorLinus Torvalds <torvalds@linux-foundation.org>2014-06-08 11:31:16 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2014-06-08 11:31:16 -0700
commit3f17ea6dea8ba5668873afa54628a91aaa3fb1c0 (patch)
treeafbeb2accd4c2199ddd705ae943995b143a0af02 /drivers/clk/samsung/clk.h
parent1860e379875dfe7271c649058aeddffe5afd9d0d (diff)
parent1a5700bc2d10cd379a795fd2bb377a190af5acd4 (diff)
Merge branch 'next' (accumulated 3.16 merge window patches) into master
Now that 3.15 is released, this merges the 'next' branch into 'master', bringing us to the normal situation where my 'master' branch is the merge window. * accumulated work in next: (6809 commits) ufs: sb mutex merge + mutex_destroy powerpc: update comments for generic idle conversion cris: update comments for generic idle conversion idle: remove cpu_idle() forward declarations nbd: zero from and len fields in NBD_CMD_DISCONNECT. mm: convert some level-less printks to pr_* MAINTAINERS: adi-buildroot-devel is moderated MAINTAINERS: add linux-api for review of API/ABI changes mm/kmemleak-test.c: use pr_fmt for logging fs/dlm/debug_fs.c: replace seq_printf by seq_puts fs/dlm/lockspace.c: convert simple_str to kstr fs/dlm/config.c: convert simple_str to kstr mm: mark remap_file_pages() syscall as deprecated mm: memcontrol: remove unnecessary memcg argument from soft limit functions mm: memcontrol: clean up memcg zoneinfo lookup mm/memblock.c: call kmemleak directly from memblock_(alloc|free) mm/mempool.c: update the kmemleak stack trace for mempool allocations lib/radix-tree.c: update the kmemleak stack trace for radix tree allocations mm: introduce kmemleak_update_trace() mm/kmemleak.c: use %u to print ->checksum ...
Diffstat (limited to 'drivers/clk/samsung/clk.h')
-rw-r--r--drivers/clk/samsung/clk.h72
1 files changed, 48 insertions, 24 deletions
diff --git a/drivers/clk/samsung/clk.h b/drivers/clk/samsung/clk.h
index c7141ba826e..9693b80d924 100644
--- a/drivers/clk/samsung/clk.h
+++ b/drivers/clk/samsung/clk.h
@@ -22,6 +22,18 @@
#include "clk-pll.h"
/**
+ * struct samsung_clk_provider: information about clock provider
+ * @reg_base: virtual address for the register base.
+ * @clk_data: holds clock related data like clk* and number of clocks.
+ * @lock: maintains exclusion bwtween callbacks for a given clock-provider.
+ */
+struct samsung_clk_provider {
+ void __iomem *reg_base;
+ struct clk_onecell_data clk_data;
+ spinlock_t lock;
+};
+
+/**
* struct samsung_clock_alias: information about mux clock
* @id: platform specific id of the clock.
* @dev_name: name of the device to which this clock belongs.
@@ -312,40 +324,52 @@ struct samsung_pll_clock {
__PLL(_typ, _id, NULL, _name, _pname, CLK_GET_RATE_NOCACHE, \
_lock, _con, _rtable, _alias)
-extern void __init samsung_clk_init(struct device_node *np, void __iomem *base,
- unsigned long nr_clks);
+extern struct samsung_clk_provider *__init samsung_clk_init(
+ struct device_node *np, void __iomem *base,
+ unsigned long nr_clks);
extern void __init samsung_clk_of_register_fixed_ext(
- struct samsung_fixed_rate_clock *fixed_rate_clk,
- unsigned int nr_fixed_rate_clk,
- struct of_device_id *clk_matches);
+ struct samsung_clk_provider *ctx,
+ struct samsung_fixed_rate_clock *fixed_rate_clk,
+ unsigned int nr_fixed_rate_clk,
+ struct of_device_id *clk_matches);
-extern void samsung_clk_add_lookup(struct clk *clk, unsigned int id);
+extern void samsung_clk_add_lookup(struct samsung_clk_provider *ctx,
+ struct clk *clk, unsigned int id);
-extern void samsung_clk_register_alias(struct samsung_clock_alias *list,
- unsigned int nr_clk);
+extern void samsung_clk_register_alias(struct samsung_clk_provider *ctx,
+ struct samsung_clock_alias *list,
+ unsigned int nr_clk);
extern void __init samsung_clk_register_fixed_rate(
- struct samsung_fixed_rate_clock *clk_list, unsigned int nr_clk);
+ struct samsung_clk_provider *ctx,
+ struct samsung_fixed_rate_clock *clk_list,
+ unsigned int nr_clk);
extern void __init samsung_clk_register_fixed_factor(
- struct samsung_fixed_factor_clock *list, unsigned int nr_clk);
-extern void __init samsung_clk_register_mux(struct samsung_mux_clock *clk_list,
- unsigned int nr_clk);
-extern void __init samsung_clk_register_div(struct samsung_div_clock *clk_list,
- unsigned int nr_clk);
-extern void __init samsung_clk_register_gate(
- struct samsung_gate_clock *clk_list, unsigned int nr_clk);
-extern void __init samsung_clk_register_pll(struct samsung_pll_clock *pll_list,
- unsigned int nr_clk, void __iomem *base);
+ struct samsung_clk_provider *ctx,
+ struct samsung_fixed_factor_clock *list,
+ unsigned int nr_clk);
+extern void __init samsung_clk_register_mux(struct samsung_clk_provider *ctx,
+ struct samsung_mux_clock *clk_list,
+ unsigned int nr_clk);
+extern void __init samsung_clk_register_div(struct samsung_clk_provider *ctx,
+ struct samsung_div_clock *clk_list,
+ unsigned int nr_clk);
+extern void __init samsung_clk_register_gate(struct samsung_clk_provider *ctx,
+ struct samsung_gate_clock *clk_list,
+ unsigned int nr_clk);
+extern void __init samsung_clk_register_pll(struct samsung_clk_provider *ctx,
+ struct samsung_pll_clock *pll_list,
+ unsigned int nr_clk, void __iomem *base);
extern unsigned long _get_rate(const char *clk_name);
extern void samsung_clk_save(void __iomem *base,
- struct samsung_clk_reg_dump *rd,
- unsigned int num_regs);
+ struct samsung_clk_reg_dump *rd,
+ unsigned int num_regs);
extern void samsung_clk_restore(void __iomem *base,
- const struct samsung_clk_reg_dump *rd,
- unsigned int num_regs);
+ const struct samsung_clk_reg_dump *rd,
+ unsigned int num_regs);
extern struct samsung_clk_reg_dump *samsung_clk_alloc_reg_dump(
- const unsigned long *rdump,
- unsigned long nr_rdump);
+ const unsigned long *rdump,
+ unsigned long nr_rdump);
#endif /* __SAMSUNG_CLK_H */