Many system clocks can select a parent by writing a value to a specific field
in the configuration register. Add a list of parents and location and width of
the source selection field in the clock configuration register to struct clk to
assist in clk_set_parent() implementation.
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@xxxxxx>
---
include/linux/sh_clk.h | 4 ++++
1 files changed, 4 insertions(+), 0 deletions(-)
diff --git a/include/linux/sh_clk.h b/include/linux/sh_clk.h
index 1636d1e..08a07b9 100644
--- a/include/linux/sh_clk.h
+++ b/include/linux/sh_clk.h
@@ -25,6 +25,10 @@ struct clk {
int id;
struct clk *parent;
+ struct clk **parent_table; /* list of parents to */
+ unsigned short parent_num; /* choose between */
+ unsigned char src_shift; /* source clock field in the */
+ unsigned char src_width; /* configuration register */
struct clk_ops *ops;
struct list_head children;
--
1.6.2.4
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