1 /* 2 * (C) Copyright 2010 Stefano Babic <sbabic@denx.de> 3 * 4 * See file CREDITS for list of people who contributed to this 5 * project. 6 * 7 * This program is free software; you can redistribute it and/or 8 * modify it under the terms of the GNU General Public License as 9 * published by the Free Software Foundation; either version 2 of 10 * the License, or (at your option) any later version. 11 * 12 * This program is distributed in the hope that it will be useful, 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 * GNU General Public License for more details. 16 * 17 * You should have received a copy of the GNU General Public License 18 * along with this program; if not, write to the Free Software 19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, 20 * MA 02111-1307 USA 21 */ 22 23 24 #include <config.h> 25 #include <common.h> 26 #include <asm/errno.h> 27 #include <linux/types.h> 28 #include <i2c.h> 29 #include <mc9sdz60.h> 30 31 #ifndef CONFIG_SYS_FSL_MC9SDZ60_I2C_ADDR 32 #error "You have to configure I2C address for MC9SDZ60" 33 #endif 34 35 36 u8 mc9sdz60_reg_read(enum mc9sdz60_reg reg) 37 { 38 u8 val; 39 40 if (i2c_read(CONFIG_SYS_FSL_MC9SDZ60_I2C_ADDR, reg, 1, &val, 1)) { 41 puts("Error reading MC9SDZ60 register\n"); 42 return -1; 43 } 44 45 return val; 46 } 47 48 void mc9sdz60_reg_write(enum mc9sdz60_reg reg, u8 val) 49 { 50 i2c_write(CONFIG_SYS_FSL_MC9SDZ60_I2C_ADDR, reg, 1, &val, 1); 51 } 52