Commit f39e5781 authored May 01, 2008 by Will Newton Committed by Linus Torvalds May 01, 2008

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>

parent 868eb7a8

drivers/gpio/pca953x.c

+3 −1

Original line number	Diff line number	Diff line
		@@ -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)

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