From: Masahiro Yamada <yamada.masahiro@socionext.com>
Date: Thu, 21 Apr 2016 05:43:15 +0000 (+0900)
Subject: ARM: uniphier: add sg_set_iectrl_range()
X-Git-Tag: v2016.05-rc3~26^2~7
X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=612ccd90012d7c77bbe67ec65f770b9e82fe4a35;p=oweals%2Fu-boot.git

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 2cdc2db26e..4044245ee1 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 */