leds: Add generic GPIO LED driver

This patch adds support for GPIO connected leds via the new GPIO framework.

Information about leds (gpio, polarity, name, default trigger) is passed
to the driver via platform_data.

Signed-off-by: Raphael Assenat <raph@8d.com>
Signed-off-by: Richard Purdie <rpurdie@rpsys.net>

1 files changed, 14 insertions, 0 deletions

diff --git a/include/linux/leds.h b/include/linux/leds.h
index 88afceffb7cb..059abfe219dc 100644
--- a/include/linux/leds.h
+++ b/include/linux/leds.h
@@ -110,4 +110,18 @@ extern void ledtrig_ide_activity(void);
 #define ledtrig_ide_activity() do {} while(0)
 #endif
 
+/* For the leds-gpio driver */
+struct gpio_led {
+        const char *name;
+        char *default_trigger;
+        unsigned        gpio;
+        u8              active_low;
+};
+
+struct gpio_led_platform_data {
+        int             num_leds;
+        struct gpio_led *leds;
+};
+
+
 #endif          /* __LINUX_LEDS_H_INCLUDED */