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Date: Fri, 27 Jun 2008 18:37:05 -0700 From: David Brownell <david-b@...bell.net> To: Andrew Morton <akpm@...ux-foundation.org> Cc: lkml <linux-kernel@...r.kernel.org> Subject: [patch 2.6.26-rc8] 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: David Brownell <dbrownell@...rs.sourceforge.net> --- Yes: the max7310 is I2C, the max7310 is SPI. Almost like they're trying to spread confusion... drivers/gpio/Kconfig | 14 ++++++++++---- drivers/gpio/pca953x.c | 2 +- 2 files changed, 11 insertions(+), 5 deletions(-) --- a/drivers/gpio/Kconfig 2008-06-18 19:40:30.000000000 -0700 +++ b/drivers/gpio/Kconfig 2008-06-18 19:48:04.000000000 -0700 @@ -43,12 +43,18 @@ config GPIO_SYSFS 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. --- a/drivers/gpio/pca953x.c 2008-06-18 19:08:22.000000000 -0700 +++ b/drivers/gpio/pca953x.c 2008-06-18 19:08:30.000000000 -0700 @@ -33,7 +33,7 @@ static const struct i2c_device_id pca953 { "pca9554", 8, }, { "pca9555", 16, }, { "pca9557", 8, }, - /* REVISIT several pca955x parts should work here too */ + { "max7310", 8, }, { } }; MODULE_DEVICE_TABLE(i2c, pca953x_id); -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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