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authorHauke Mehrtens <hauke@hauke-m.de>2012-11-20 22:24:30 +0000
committerJohn Crispin <blogic@openwrt.org>2012-11-21 21:55:52 +0100
commitcf0936b06d8e98a157630e99f647e2ff6d29d7ad (patch)
tree651457e034e073d236e9b0e64e0008e4ed2e0150 /include/linux/bcma
parent3e8bb507edfb44dfb8b0e06574826e34a8f6291d (diff)
downloadblackbird-obmc-linux-cf0936b06d8e98a157630e99f647e2ff6d29d7ad.tar.gz
blackbird-obmc-linux-cf0936b06d8e98a157630e99f647e2ff6d29d7ad.zip
bcma: 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/4587 Acked-by: Florian Fainelli <florian@openwrt.org>
Diffstat (limited to 'include/linux/bcma')
-rw-r--r--include/linux/bcma/bcma_driver_chipcommon.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/include/linux/bcma/bcma_driver_chipcommon.h b/include/linux/bcma/bcma_driver_chipcommon.h
index 256702663b68..7d662a988d24 100644
--- a/include/linux/bcma/bcma_driver_chipcommon.h
+++ b/include/linux/bcma/bcma_driver_chipcommon.h
@@ -1,6 +1,8 @@
#ifndef LINUX_BCMA_DRIVER_CC_H_
#define LINUX_BCMA_DRIVER_CC_H_
+#include <linux/gpio.h>
+
/** ChipCommon core registers. **/
#define BCMA_CC_ID 0x0000
#define BCMA_CC_ID_ID 0x0000FFFF
@@ -570,6 +572,9 @@ struct bcma_drv_cc {
/* Lock for GPIO register access. */
spinlock_t gpio_lock;
+#ifdef CONFIG_BCMA_DRIVER_GPIO
+ struct gpio_chip gpio;
+#endif
};
/* Register access */
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