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>
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 @@
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 */