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authorHauke Mehrtens <hauke@hauke-m.de>2012-11-21 02:24:33 +0400
committerJohn Crispin <blogic@openwrt.org>2012-11-22 00:55:52 +0400
commitec43b08b5733494ad88aa618ecdf534320dd8207 (patch)
tree0d11a7fca2c2baef2d8d3b14564f747b6319c20a /include/linux/ssb
parent394bc7e38be79987ed15de203920c3cddb724cc1 (diff)
downloadlinux-ec43b08b5733494ad88aa618ecdf534320dd8207.tar.xz
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.h4
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;