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authorMasahiro Yamada <yamada.masahiro@socionext.com>2016-03-18 16:41:50 +0900
committerMasahiro Yamada <yamada.masahiro@socionext.com>2016-03-24 01:45:21 +0900
commitc8cc7213a5fd6e8dc3429fc1c3513b3de99e211e (patch)
treeb15372261dc7ba74eec87e817c432abcdad85140
parentfc26b7b91d0f4ffbd67bc1bfdf0b01a5b4c53f0f (diff)
ARM: uniphier: add sg_set_iectrl() function
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.masahiro@socionext.com>
-rw-r--r--arch/arm/mach-uniphier/sg-regs.h11
1 files changed, 11 insertions, 0 deletions
diff --git a/arch/arm/mach-uniphier/sg-regs.h b/arch/arm/mach-uniphier/sg-regs.h
index 3a535c70b2..2cdc2db26e 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 */