leds: Add support for Philips PCA955x I2C LED drivers

This driver supports the PCA9550, PCA9551, PCA9552, and PCA9553
LED driver chips.

Signed-off-by: Nate Case <ncase@xes-inc.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
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 e7a5e89932f..d41ccb56146 100644
--- a/include/linux/leds.h
+++ b/include/linux/leds.h
@@ -118,6 +118,20 @@ extern void ledtrig_ide_activity(void);
 #define ledtrig_ide_activity() do {} while(0)
 #endif
 
+/*
+ * Generic LED platform data for describing LED names and default triggers.
+ */
+struct led_info {
+        const char      *name;
+        char            *default_trigger;
+        int             flags;
+};
+
+struct led_platform_data {
+        int             num_leds;
+        struct led_info *leds;
+};
+
 /* For the leds-gpio driver */
 struct gpio_led {
         const char *name;