brain-hackers_pepepper-mirror/u-boot-brain
1
0
Fork 0
mirror of https://github.com/brain-hackers/u-boot-brain synced 2024-07-15 23:56:23 +09:00
Code Issues Projects Releases Wiki Activity

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

Browse Source 
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>
This commit is contained in:
Masahiro Yamada 2015-02-05 14:43:00 +09:00
parent 6c45ef4b94
commit ee470645d1
1 changed files with 9 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
arch/arm/cpu/armv7/uniphier/ph1-sld8/pinctrl.c
View File

@ -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 */