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 ---
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 */