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 ---
Changes in v4: None Changes in v3: None Changes in v2: None
arch/arm/mach-uniphier/sg-regs.h | 8 ++++++++ 1 file changed, 8 insertions(+)
diff --git a/arch/arm/mach-uniphier/sg-regs.h b/arch/arm/mach-uniphier/sg-regs.h index 2cdc2db..4044245 100644 --- a/arch/arm/mach-uniphier/sg-regs.h +++ b/arch/arm/mach-uniphier/sg-regs.h @@ -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 */