+
+uint8_t i2c_reg_read(uint8_t chip_addr, uint8_t offset)
+{
+ struct udevice *dev;
+ int ret;
+
+ ret = i2c_compat_get_device(chip_addr, 1, &dev);
+ if (ret)
+ return 0xff;
+ return dm_i2c_reg_read(dev, offset);
+}
+
+void i2c_reg_write(uint8_t chip_addr, uint8_t offset, uint8_t val)
+{
+ struct udevice *dev;
+ int ret;
+
+ ret = i2c_compat_get_device(chip_addr, 1, &dev);
+ if (!ret)
+ dm_i2c_reg_write(dev, offset, val);
+}