This helper function would be useful for new SoCs with per-pin
input enable controlling, such as PH1-LD20, PH1-LD11, etc.
Signed-off-by: Masahiro Yamada <yamada.masah...@socionext.com>
---
arch/arm/mach-uniphier/sg-regs.h | 11 +++++++++++
1 file changed, 11 insertions(+)
diff --git a/arch/arm/mach-uniphier/sg-regs.h b/arch/arm/mach-uniphier/sg-regs.h
index 3a535c7..2cdc2db 100644
--- a/arch/arm/mach-uniphier/sg-regs.h
+++ b/arch/arm/mach-uniphier/sg-regs.h
@@ -115,6 +115,17 @@ static inline void sg_set_pinsel(unsigned pin, unsigned
muxval,
writel(tmp, reg);
}
+static inline void sg_set_iectrl(unsigned pin)
+{
+ unsigned bit = pin % 32;
+ unsigned long reg = SG_IECTRL + pin / 32 * 4;
+ u32 tmp;
+
+ tmp = readl(reg);
+ tmp |= 1 << bit;
+ writel(tmp, reg);
+}
+
#endif /* __ASSEMBLY__ */
#endif /* ARCH_SG_REGS_H */
--
1.9.1
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