From: Masahiro Yamada <yamada.m@jp.panasonic.com>
Date: Thu, 5 Feb 2015 05:43:00 +0000 (+0900)
Subject: ARM: UniPhier: enable I2C input pins for PH1-sLD8
X-Git-Url: http://git.dujemihanovic.xyz/?a=commitdiff_plain;h=ee470645d169cd0f47f66be8c8f69e061e3665d4;p=u-boot.git

ARM: UniPhier: enable I2C input pins for PH1-sLD8

To use I2C controllers on PH1-sLD8, the bit 10 (SCL0/SDA0)
and bit 11 (SCL1/SDA1) of IECTRL register must be set.

Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
---

diff --git a/arch/arm/cpu/armv7/uniphier/ph1-sld8/pinctrl.c b/arch/arm/cpu/armv7/uniphier/ph1-sld8/pinctrl.c
index 2b6403f88f..5e80335b58 100644
--- a/arch/arm/cpu/armv7/uniphier/ph1-sld8/pinctrl.c
+++ b/arch/arm/cpu/armv7/uniphier/ph1-sld8/pinctrl.c
@@ -26,6 +26,15 @@ void pin_init(void)
 	sg_set_pinsel(111, 1);	/* SBI0 -> RXD3 */
 #endif
 
+#ifdef CONFIG_SYS_I2C_UNIPHIER
+	{
+		u32 tmp;
+		tmp = readl(SG_IECTRL);
+		tmp |= 0xc00; /* enable SCL0, SDA0, SCL1, SDA1 */
+		writel(tmp, SG_IECTRL);
+	}
+#endif
+
 #ifdef CONFIG_NAND_DENALI
 	sg_set_pinsel(15, 0);	/* XNFRE_GB -> XNFRE_GB */
 	sg_set_pinsel(16, 0);	/* XNFWE_GB -> XNFWE_GB */