From ee470645d169cd0f47f66be8c8f69e061e3665d4 Mon Sep 17 00:00:00 2001 From: Masahiro Yamada Date: Thu, 5 Feb 2015 14:43:00 +0900 Subject: [PATCH] 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 --- arch/arm/cpu/armv7/uniphier/ph1-sld8/pinctrl.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/arch/arm/cpu/armv7/uniphier/ph1-sld8/pinctrl.c b/arch/arm/cpu/armv7/uniphier/ph1-sld8/pinctrl.c index 2b6403f..5e80335 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 */ -- 2.7.4