LXR uboot/drivers/misc/mc9sdz60.c

   1// SPDX-License-Identifier: GPL-2.0+
   2/*
   3 * (C) Copyright 2010 Stefano Babic <sbabic@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
  19u8 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
  31void 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