diff options
| author |   Hauke Mehrtens <hauke@hauke-m.de> | 2012-11-20 22:24:33 +0000 |
|---|---|---|
| committer |   John Crispin <blogic@openwrt.org> | 2012-11-21 21:55:52 +0100 |
| commit | ec43b08b5733494ad88aa618ecdf534320dd8207 (patch) | |
| tree | 0d11a7fca2c2baef2d8d3b14564f747b6319c20a /include/linux/ssb | |
| parent | ssb: add locking around gpio register accesses (diff) | |
| download | linux-dev-ec43b08b5733494ad88aa618ecdf534320dd8207.tar.xz linux-dev-ec43b08b5733494ad88aa618ecdf534320dd8207.zip | |
ssb: add GPIO driver
Register a GPIO driver to access the GPIOs provided by the chip.
The GPIOs of the SoC should always start at 0 and the other GPIOs could
start at a random position. There is just one SoC in a system and when
they start at 0 the number is predictable.
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Patchwork: http://patchwork.linux-mips.org/patch/4591
Acked-by: Florian Fainelli <florian@openwrt.org>
Diffstat (limited to 'include/linux/ssb')
| -rw-r--r-- | include/linux/ssb/ssb.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/include/linux/ssb/ssb.h b/include/linux/ssb/ssb.h index bb674c02f306..3862a5bbd73b 100644 --- a/include/linux/ssb/ssb.h +++ b/include/linux/ssb/ssb.h @@ -6,6 +6,7 @@ #include <linux/types.h> #include <linux/spinlock.h> #include <linux/pci.h> +#include <linux/gpio.h> #include <linux/mod_devicetable.h> #include <linux/dma-mapping.h> @@ -433,6 +434,9 @@ struct ssb_bus { /* Lock for GPIO register access. */ spinlock_t gpio_lock; #endif /* EMBEDDED */ +#ifdef CONFIG_SSB_DRIVER_GPIO + struct gpio_chip gpio; +#endif /* DRIVER_GPIO */ /* Internal-only stuff follows. Do not touch. */ struct list_head list; |