Mirrors/u-boot
2
0
Fork 0
mirror of https://github.com/AsahiLinux/u-boot synced 2024-09-21 23:21:58 +00:00
Code Issues Projects Releases Packages Wiki Activity

Merge git://git.denx.de/u-boot-i2c

Browse source
This commit is contained in:
Tom Rini 2017-10-11 08:38:20 -04:00
commit 1b22c5ba49
1 changed files with 6 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

7
drivers/i2c/muxes/pca954x.c
View file

@ -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");