diff options
| author | Will Newton <will.newton@gmail.com> | 2008-05-01 04:35:10 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-05-01 08:04:01 -0700 |
| commit | f39e578172f30d3bdd4533465c7ec00db738eb9d (patch) | |
| tree | 6a3e4928f88ec2ed8300bebc85a506c6641b6e7a /drivers/gpio | |
| parent | 868eb7a8539d3e8c494209be2b1f4084a274dfef (diff) | |
| download | lwn-f39e578172f30d3bdd4533465c7ec00db738eb9d.tar.gz lwn-f39e578172f30d3bdd4533465c7ec00db738eb9d.zip | |
gpio: pca953x: add support for pca9555 I2C I/O expander
Add support for pca9555 I2C I/O expander. As the comment suggests this part
is software compatible with the pca9539.
Signed-off-by: Will Newton <will.newton@imgtec.com>
Cc: "eric miao" <eric.miao@marvell.com>
Cc: David Brownell <david-b@pacbell.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/gpio')
| -rw-r--r-- | drivers/gpio/pca953x.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/gpio/pca953x.c b/drivers/gpio/pca953x.c index 5a99e81d2784..93f916720b13 100644 --- a/drivers/gpio/pca953x.c +++ b/drivers/gpio/pca953x.c @@ -30,6 +30,8 @@ static const struct i2c_device_id pca953x_id[] = { { "pca9537", 4, }, { "pca9538", 8, }, { "pca9539", 16, }, + { "pca9555", 16, }, + { "pca9557", 8, }, /* REVISIT several pca955x parts should work here too */ { } }; @@ -193,7 +195,7 @@ static int __devinit pca953x_probe(struct i2c_client *client, { struct pca953x_platform_data *pdata; struct pca953x_chip *chip; - int ret, i; + int ret; pdata = client->dev.platform_data; if (pdata == NULL) |