gpio: pca953x: add support for MAX7315

MAX7315 is pin and software compatible with PCA9534, so add it to the I2C
device ID table of pca953x driver.
http://www.datasheetcatalog.org/datasheet/maxim/MAX7315.pdf

Signed-off-by: Alek Du <alek.du@intel.com>
Acked-by: David Brownell <david-b@pacbell.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 1 insertions, 0 deletions

diff --git a/drivers/gpio/pca953x.c b/drivers/gpio/pca953x.c
index cdb6574d25a6..8ab1308bec20 100644
--- a/drivers/gpio/pca953x.c
+++ b/drivers/gpio/pca953x.c
@@ -40,6 +40,7 @@ static const struct i2c_device_id pca953x_id[] = {
         { "pca9557", 8, },
 
         { "max7310", 8, },
+        { "max7315", 8, },
         { "pca6107", 8, },
         { "tca6408", 8, },
         { "tca6416", 16, },