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path: root/drivers/pwm/pwm-tiecap.c
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Diffstat (limited to 'drivers/pwm/pwm-tiecap.c')
-rw-r--r--drivers/pwm/pwm-tiecap.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/pwm/pwm-tiecap.c b/drivers/pwm/pwm-tiecap.c
index d91b2bdc88fc..67cc5e8bdb0e 100644
--- a/drivers/pwm/pwm-tiecap.c
+++ b/drivers/pwm/pwm-tiecap.c
@@ -3,6 +3,10 @@
* ECAP PWM driver
*
* Copyright (C) 2012 Texas Instruments, Inc. - https://www.ti.com/
+ *
+ * Hardware properties:
+ * - On disable the PWM pin becomes an input, so the behaviour depends on
+ * external wiring.
*/
#include <linux/module.h>