diff options
Diffstat (limited to 'drivers/i2c/i2c-uclass.c')
| -rw-r--r-- | drivers/i2c/i2c-uclass.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/drivers/i2c/i2c-uclass.c b/drivers/i2c/i2c-uclass.c index f2e95c0881a..eaba965fa31 100644 --- a/drivers/i2c/i2c-uclass.c +++ b/drivers/i2c/i2c-uclass.c @@ -186,6 +186,25 @@ int dm_i2c_write(struct udevice *dev, uint offset, const uint8_t *buffer, } } +int dm_i2c_reg_read(struct udevice *dev, uint offset) +{ + uint8_t val; + int ret; + + ret = dm_i2c_read(dev, offset, &val, 1); + if (ret < 0) + return ret; + + return val; +} + +int dm_i2c_reg_write(struct udevice *dev, uint offset, uint value) +{ + uint8_t val = value; + + return dm_i2c_write(dev, offset, &val, 1); +} + /** * i2c_probe_chip() - probe for a chip on a bus * @@ -396,6 +415,13 @@ int i2c_set_chip_offset_len(struct udevice *dev, uint offset_len) return 0; } +int i2c_get_chip_offset_len(struct udevice *dev) +{ + struct dm_i2c_chip *chip = dev_get_parent_platdata(dev); + + return chip->offset_len; +} + int i2c_deblock(struct udevice *bus) { struct dm_i2c_ops *ops = i2c_get_ops(bus); |