diff options
| -rw-r--r-- | drivers/i2c/muxes/pca954x.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/i2c/muxes/pca954x.c b/drivers/i2c/muxes/pca954x.c index 01ca1ff..2b70ff8 100644 --- a/drivers/i2c/muxes/pca954x.c +++ b/drivers/i2c/muxes/pca954x.c @@ -27,6 +27,7 @@ struct chip_desc { pca954x_ismux = 0, pca954x_isswi, } muxtype; + u32 width; }; struct pca954x_priv { @@ -39,14 +40,17 @@ static const struct chip_desc chips[] = { [PCA9544] = { .enable = 0x4, .muxtype = pca954x_ismux, + .width = 4, }, [PCA9547] = { .enable = 0x8, .muxtype = pca954x_ismux, + .width = 8, }, [PCA9548] = { .enable = 0x8, .muxtype = pca954x_isswi, + .width = 8, }, }; @@ -89,13 +93,14 @@ static const struct udevice_id pca954x_ids[] = { static int pca954x_ofdata_to_platdata(struct udevice *dev) { struct pca954x_priv *priv = dev_get_priv(dev); + const struct chip_desc *chip = &chips[dev_get_driver_data(dev)]; priv->addr = fdtdec_get_int(gd->fdt_blob, dev_of_offset(dev), "reg", 0); if (!priv->addr) { debug("MUX not found\n"); return -ENODEV; } - priv->width = dev_get_driver_data(dev); + priv->width = chip->width; if (!priv->width) { debug("No I2C MUX width specified\n"); |