From bb4291e62579dbc611e84eaaf973631e0bf129c7 Mon Sep 17 00:00:00 2001 From: Alessandro Rubini Date: Fri, 24 Jul 2009 11:27:14 +0200 Subject: arm nomadik: add i2c Signed-off-by: Alessandro Rubini Acked-by: Andrea Gallo Acked-by: Jean-Christophe PLAGNIOL-VILLARD --- include/configs/nhk8815.h | 18 +++++++++++++++++- 1 file changed, 17 insertions(+), 1 deletion(-) (limited to 'include/configs/nhk8815.h') diff --git a/include/configs/nhk8815.h b/include/configs/nhk8815.h index 3e2e09f..8a83d92 100644 --- a/include/configs/nhk8815.h +++ b/include/configs/nhk8815.h @@ -93,7 +93,7 @@ #define CONFIG_SYS_GBL_DATA_SIZE 128 /* for initial data */ #define CONFIG_SYS_64BIT_VSPRINTF /* mtd desires this */ -#define CONFIG_MISC_INIT_R /* call misc_init_r during start up */ +#define BOARD_LATE_INIT /* call board_late_init during start up */ /* timing informazion */ #define CONFIG_SYS_HZ 1000 /* Mandatory... */ @@ -110,6 +110,22 @@ #define CONFIG_PL01x_PORTS { (void *)CFG_SERIAL0, (void *)CFG_SERIAL1 } #define CONFIG_PL011_CLOCK 48000000 +/* i2c, for the port extenders (uses gpio.c in board directory) */ +#ifndef __ASSEMBLY__ +#include +#define CONFIG_CMD_I2C +#define CONFIG_SOFT_I2C +#define CONFIG_SYS_I2C_SPEED 400000 +#define __SDA 63 +#define __SCL 62 +#define I2C_SDA(x) nmk_gpio_set(__SDA, x) +#define I2C_SCL(x) nmk_gpio_set(__SCL, x) +#define I2C_READ (nmk_gpio_get(__SDA)!=0) +#define I2C_ACTIVE nmk_gpio_dir(__SDA, 1) +#define I2C_TRISTATE nmk_gpio_dir(__SDA, 0) +#define I2C_DELAY (udelay(2)) +#endif /* __ASSEMBLY__ */ + /* Ethernet */ #define PCI_MEMORY_VADDR 0xe8000000 #define PCI_IO_VADDR 0xee000000 -- cgit v1.1