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sh: support SIU sourcing from external clock on sh7722

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Implement .set_rate() for all SH "div4 clocks," .enable(), .disable(), and
.set_parent() for those, that support them. This allows, among other uses,
reparenting of SIU clocks to the external source, and enabling and
disabling of the IrDA clock on sh7722.

Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
This commit is contained in:
Guennadi Liakhovetski
2010-01-19 11:14:31 +00:00
committed by Paul Mundt
parent 14965f16b4
commit 31c3af503e
3 changed files with 116 additions and 7 deletions
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4
arch/sh/include/asm/clock.h
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@@ -148,6 +148,10 @@ int sh_clk_mstp32_register(struct clk *clks, int nr);
int sh_clk_div4_register(struct clk *clks, int nr,
struct clk_div_mult_table *table);
int sh_clk_div4_enable_register(struct clk *clks, int nr,
struct clk_div_mult_table *table);
int sh_clk_div4_reparent_register(struct clk *clks, int nr,
struct clk_div_mult_table *table);
#define SH_CLK_DIV6(_name, _parent, _reg, _flags) \
{ \