pwm: imx: Document known limitations

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
2019-07-30 14:45:27 +02:00 · 2019-07-30 14:45:27 +02:00 · f6960976c4
parent 3b442c60cf
commit f6960976c4
1 changed files with 4 additions and 0 deletions
--- a/drivers/pwm/pwm-imx27.c
+++ b/drivers/pwm/pwm-imx27.c
@ -3,6 +3,10 @@
 * simple driver for PWM (Pulse Width Modulator) controller
 *
 * Derived from pxa PWM driver by eric miao <eric.miao@marvell.com>
+ *
+ * Limitations:
+ * - When disabled the output is driven to 0 independent of the configured
+ *   polarity.
 */

 #include <linux/bitfield.h>