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authorLuotao Fu <l.fu@pengutronix.de>2009-02-11 13:24:40 -0800
committerRichard Purdie <rpurdie@linux.intel.com>2009-04-06 16:06:26 +0100
commit41c42ff5dbe29b7b826e6736f960959c76e7acf0 (patch)
treec405b8e5e266994fbf81d7610cf8498215e0baff /include/linux/leds_pwm.h
parentb2bdc3e7130001804f27e7c1254930143119f435 (diff)
downloadop-kernel-dev-41c42ff5dbe29b7b826e6736f960959c76e7acf0.zip
op-kernel-dev-41c42ff5dbe29b7b826e6736f960959c76e7acf0.tar.gz
leds: simple driver for pwm driven LEDs
Add a simple driver for pwm driver LEDs. pwm_id and period can be defined in board file. It is developed for pxa, however it is probably generic enough to be used on other platforms with pwm. Signed-off-by: Luotao Fu <l.fu@pengutronix.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Richard Purdie <rpurdie@linux.intel.com>
Diffstat (limited to 'include/linux/leds_pwm.h')
-rw-r--r--include/linux/leds_pwm.h21
1 files changed, 21 insertions, 0 deletions
diff --git a/include/linux/leds_pwm.h b/include/linux/leds_pwm.h
new file mode 100644
index 0000000..33a0711
--- /dev/null
+++ b/include/linux/leds_pwm.h
@@ -0,0 +1,21 @@
+/*
+ * PWM LED driver data - see drivers/leds/leds-pwm.c
+ */
+#ifndef __LINUX_LEDS_PWM_H
+#define __LINUX_LEDS_PWM_H
+
+struct led_pwm {
+ const char *name;
+ const char *default_trigger;
+ unsigned pwm_id;
+ u8 active_low;
+ unsigned max_brightness;
+ unsigned pwm_period_ns;
+};
+
+struct led_pwm_platform_data {
+ int num_leds;
+ struct led_pwm *leds;
+};
+
+#endif
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