gpio: pca953x: Add support for PCA9556
PCA9556 is the software-compatible predecessor to the PCA9557, so add it
to the supported I2C device ID table.
Signed-off-by: Nate Case <ncase@xes-inc.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>
diff --git a/drivers/gpio/pca953x.c b/drivers/gpio/pca953x.c
index e9d6d5b..cdb6574 100644
--- a/drivers/gpio/pca953x.c
+++ b/drivers/gpio/pca953x.c
@@ -36,6 +36,7 @@
{ "pca9539", 16, },
{ "pca9554", 8, },
{ "pca9555", 16, },
+ { "pca9556", 8, },
{ "pca9557", 8, },
{ "max7310", 8, },