sh: support SIU sourcing from external clock on sh7722

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>

1 files changed, 4 insertions, 0 deletions

diff --git a/arch/sh/include/asm/clock.h b/arch/sh/include/asm/clock.h
index 9fe7d7f8af40..501d0b076283 100644
--- a/arch/sh/include/asm/clock.h
+++ b/arch/sh/include/asm/clock.h
@@ -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)       \
 {                                                       \