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Commit 7059d4b0 authored by David Brownell's avatar David Brownell Committed by Linus Torvalds
Browse files

gpio: pca953x (i2c) handles max7310 too 



The pca953x driver can handle another 8-bit I/O expander, the max7310.
This patch adds that chip to the list of supported IDs in that driver, and
expands the Kconfig helptext accordingly.

Signed-off-by: default avatarDavid Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent da9eac89

drivers/gpio/Kconfig

+10 −4
Original line number Diff line number Diff line
@@ -28,12 +28,18 @@ config DEBUG_GPIO 
comment "I2C GPIO expanders:"



config GPIO_PCA953X

	tristate "PCA953x I/O ports"

	tristate "PCA953x, PCA955x, and MAX7310 I/O ports"

	depends on I2C

	help

	  Say yes here to support the PCA9534 (8-bit), PCA9535 (16-bit),

	  PCA9536 (4-bit), PCA9537 (4-bit), PCA9538 (8-bit), and PCA9539

	  (16-bit) I/O ports. These parts are made by NXP and TI.

	  Say yes here to provide access to several register-oriented

	  SMBus I/O expanders, made mostly by NXP or TI.  Compatible

	  models include:



	  4 bits:	pca9536, pca9537



	  8 bits:	max7310, pca9534, pca9538, pca9554, pca9557



	  16 bits:	pca9535, pca9539, pca9555



	  This driver can also be built as a module.  If so, the module

	  will be called pca953x.

drivers/gpio/pca953x.c

+1 −1
Original line number Diff line number Diff line
@@ -33,7 +33,7 @@ static const struct i2c_device_id pca953x_id[] = { 
	{ "pca9554", 8, },

	{ "pca9555", 16, },

	{ "pca9557", 8, },

	/* REVISIT several pca955x parts should work here too */

	{ "max7310", 8, },

	{ }

};

MODULE_DEVICE_TABLE(i2c, pca953x_id);