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| author | Bibek Basu <bibek.basu@stericsson.com> | 2011-02-09 11:02:35 +0530 |
|---|---|---|
| committer | Linus Walleij <linus.walleij@linaro.org> | 2011-03-28 08:47:17 +0200 |
| commit | 0cb3fcd72cc3e6dd88f0e769746d294e5e6bafa9 (patch) | |
| tree | ed04e6b37c1c92eb1e9b0aed99cc98a3b6193fc7 /drivers/mfd | |
| parent | 18bcd0c8cb7d85a9063b88ec810dc1cdc0974518 (diff) | |
| download | linux-3.10-0cb3fcd72cc3e6dd88f0e769746d294e5e6bafa9.tar.gz linux-3.10-0cb3fcd72cc3e6dd88f0e769746d294e5e6bafa9.tar.bz2 linux-3.10-0cb3fcd72cc3e6dd88f0e769746d294e5e6bafa9.zip | |
gpio: driver for 42 AB8500 GPIO pins
To get rid of port expanders, the free GPIOs of ab8500
can be used. There are 42 GPIO pins. Out of which 16
are interrupt capable.This patch implements 16 virtual
IRQ mapped to 16 interrupt capable AB8500 GPIOs.
Signed-off-by: Bibek Basu <bibek.basu@stericsson.com>
Acked-by: Grant Likely <grant.likely@secretlab.ca>
[Renamed header file as per MFD structure]
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'drivers/mfd')
| -rw-r--r-- | drivers/mfd/ab8500-core.c | 14 | ||||
| -rw-r--r-- | drivers/mfd/ab8500-i2c.c | 2 |
2 files changed, 15 insertions, 1 deletions
diff --git a/drivers/mfd/ab8500-core.c b/drivers/mfd/ab8500-core.c index 62e33e2258d..67d01c93828 100644 --- a/drivers/mfd/ab8500-core.c +++ b/drivers/mfd/ab8500-core.c @@ -362,6 +362,15 @@ static void ab8500_irq_remove(struct ab8500 *ab8500) } } +static struct resource ab8500_gpio_resources[] = { + { + .name = "GPIO_INT6", + .start = AB8500_INT_GPIO6R, + .end = AB8500_INT_GPIO41F, + .flags = IORESOURCE_IRQ, + } +}; + static struct resource ab8500_gpadc_resources[] = { { .name = "HW_CONV_END", @@ -596,6 +605,11 @@ static struct mfd_cell ab8500_devs[] = { .name = "ab8500-regulator", }, { + .name = "ab8500-gpio", + .num_resources = ARRAY_SIZE(ab8500_gpio_resources), + .resources = ab8500_gpio_resources, + }, + { .name = "ab8500-gpadc", .num_resources = ARRAY_SIZE(ab8500_gpadc_resources), .resources = ab8500_gpadc_resources, diff --git a/drivers/mfd/ab8500-i2c.c b/drivers/mfd/ab8500-i2c.c index 6820327adf4..821e6b86afd 100644 --- a/drivers/mfd/ab8500-i2c.c +++ b/drivers/mfd/ab8500-i2c.c @@ -97,7 +97,7 @@ static void __exit ab8500_i2c_exit(void) { platform_driver_unregister(&ab8500_i2c_driver); } -subsys_initcall(ab8500_i2c_init); +arch_initcall(ab8500_i2c_init); module_exit(ab8500_i2c_exit); MODULE_AUTHOR("Mattias WALLIN <mattias.wallin@stericsson.com"); |