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ARM: uniphier: add sg_set_iectrl_range() 

For PH1-LD20 or later, per-pin input-enable control is supported,
that is, we need to set-up IECTRL registers for a group of pins.
This helper function will be useful for a bunch of register settings.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
This commit is contained in:
Masahiro Yamada 2016-04-21 14:43:15 +09:00
parent 6c64d50e47
commit 612ccd9001
1 changed files with 8 additions and 0 deletions
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8
arch/arm/mach-uniphier/sg-regs.h
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@ -126,6 +126,14 @@ static inline void sg_set_iectrl(unsigned pin)
writel(tmp, reg);
}
static inline void sg_set_iectrl_range(unsigned min, unsigned max)
{
int i;
for (i = min; i <= max; i++)
sg_set_iectrl(i);
}
#endif /* __ASSEMBLY__ */
#endif /* ARCH_SG_REGS_H */