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| author | Luotao Fu <l.fu@pengutronix.de> | 2009-02-11 13:24:40 -0800 |
|---|---|---|
| committer | Richard Purdie <rpurdie@linux.intel.com> | 2009-04-06 16:06:26 +0100 |
| commit | 41c42ff5dbe29b7b826e6736f960959c76e7acf0 (patch) | |
| tree | c405b8e5e266994fbf81d7610cf8498215e0baff /include | |
| parent | b2bdc3e7130001804f27e7c1254930143119f435 (diff) | |
| download | kernel-crypto-41c42ff5dbe29b7b826e6736f960959c76e7acf0.tar.gz kernel-crypto-41c42ff5dbe29b7b826e6736f960959c76e7acf0.tar.xz kernel-crypto-41c42ff5dbe29b7b826e6736f960959c76e7acf0.zip | |
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')
| -rw-r--r-- | include/linux/leds_pwm.h | 21 |
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 00000000000..33a07116748 --- /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 |