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 --- board/st/nhk8815/nhk8815.c | 16 ++++++++++++++-- 1 file changed, 14 insertions(+), 2 deletions(-) (limited to 'board/st/nhk8815') diff --git a/board/st/nhk8815/nhk8815.c b/board/st/nhk8815/nhk8815.c index 085a5e0..1fa506a 100644 --- a/board/st/nhk8815/nhk8815.c +++ b/board/st/nhk8815/nhk8815.c @@ -27,6 +27,7 @@ #include #include +#include DECLARE_GLOBAL_DATA_PTR; @@ -61,9 +62,20 @@ int board_init(void) return 0; } -int misc_init_r(void) +int board_late_init(void) { - setenv("verify", "n"); + /* Set the two I2C gpio lines to be gpio high */ + nmk_gpio_set(__SCL, 1); nmk_gpio_set(__SDA, 1); + nmk_gpio_dir(__SCL, 1); nmk_gpio_dir(__SDA, 1); + nmk_gpio_af(__SCL, GPIO_GPIO); nmk_gpio_af(__SDA, GPIO_GPIO); + + /* Reset the I2C port expander, on GPIO77 */ + nmk_gpio_af(77, GPIO_GPIO); + nmk_gpio_dir(77, 1); + nmk_gpio_set(77, 0); + udelay(10); + nmk_gpio_set(77, 1); + return 0; } -- cgit v1.1