diff options
author | Wolfgang Denk <wd@denx.de> | 2011-02-02 21:57:19 +0100 |
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committer | Wolfgang Denk <wd@denx.de> | 2011-02-02 21:57:19 +0100 |
commit | be9db564de898240034151c48cf9e0d03ece3f35 (patch) | |
tree | f87b02a573c61fdab3f190de09e6b0c8061f446b /drivers/misc/mc9sdz60.c | |
parent | 89ffa8dbb5bd0552f5f3399f4430a4c97f4d50d4 (diff) | |
parent | 9e40808c3fe0237a8d49f10394d3a8e4e29540a6 (diff) |
Merge branch 'master' of /home/wd/git/u-boot/custodians
Diffstat (limited to 'drivers/misc/mc9sdz60.c')
-rw-r--r-- | drivers/misc/mc9sdz60.c | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/drivers/misc/mc9sdz60.c b/drivers/misc/mc9sdz60.c new file mode 100644 index 0000000000..439d5a6396 --- /dev/null +++ b/drivers/misc/mc9sdz60.c @@ -0,0 +1,51 @@ +/* + * (C) Copyright 2010 Stefano Babic <sbabic@denx.de> + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + + +#include <config.h> +#include <common.h> +#include <asm/errno.h> +#include <linux/types.h> +#include <i2c.h> +#include <mc9sdz60.h> + +#ifndef CONFIG_SYS_FSL_MC9SDZ60_I2C_ADDR +#error "You have to configure I2C address for MC9SDZ60" +#endif + + +u8 mc9sdz60_reg_read(enum mc9sdz60_reg reg) +{ + u8 val; + + if (i2c_read(CONFIG_SYS_FSL_MC9SDZ60_I2C_ADDR, reg, 1, &val, 1)) { + puts("Error reading MC9SDZ60 register\n"); + return -1; + } + + return val; +} + +void mc9sdz60_reg_write(enum mc9sdz60_reg reg, u8 val) +{ + i2c_write(CONFIG_SYS_FSL_MC9SDZ60_I2C_ADDR, reg, 1, &val, 1); +} |