1 // SPDX-License-Identifier: GPL-2.0+ 2 /* 3 * (C) Copyright 2010 Stefano Babic <sbabic (at) denx.de> 4 */ 5 6 7 #include <config.h> 8 #include <common.h> 9 #include <linux/errno.h> 10 #include <linux/types.h> 11 #include <i2c.h> 12 #include <mc9sdz60.h> 13 14 #ifndef CONFIG_SYS_FSL_MC9SDZ60_I2C_ADDR 15 #error "You have to configure I2C address for MC9SDZ60" 16 #endif 17 18 19 u8 mc9sdz60_reg_read(enum mc9sdz60_reg reg) 20 { 21 u8 val; 22 23 if (i2c_read(CONFIG_SYS_FSL_MC9SDZ60_I2C_ADDR, reg, 1, &val, 1)) { 24 puts("Error reading MC9SDZ60 register\n"); 25 return -1; 26 } 27 28 return val; 29 } 30 31 void mc9sdz60_reg_write(enum mc9sdz60_reg reg, u8 val) 32 { 33 i2c_write(CONFIG_SYS_FSL_MC9SDZ60_I2C_ADDR, reg, 1, &val, 1); 34 } 35
