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>
diff --git a/include/linux/bcma/bcma_driver_chipcommon.h b/include/linux/bcma/bcma_driver_chipcommon.h
index 2567026..7d662a9 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 @@
/* Lock for GPIO register access. */
spinlock_t gpio_lock;
+#ifdef CONFIG_BCMA_DRIVER_GPIO
+ struct gpio_chip gpio;
+#endif
};
/* Register access */