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Diffstat (limited to 'include/pwm.h')
-rw-r--r--include/pwm.h19
1 files changed, 19 insertions, 0 deletions
diff --git a/include/pwm.h b/include/pwm.h
index 851915eb87..ebee227a67 100644
--- a/include/pwm.h
+++ b/include/pwm.h
@@ -34,6 +34,15 @@ struct pwm_ops {
* @return 0 if OK, -ve on error
*/
int (*set_enable)(struct udevice *dev, uint channel, bool enable);
+ /**
+ * set_invert() - Set the PWM invert
+ *
+ * @dev: PWM device to update
+ * @channel: PWM channel to update
+ * @polarity: true to invert, false to keep normal polarity
+ * @return 0 if OK, -ve on error
+ */
+ int (*set_invert)(struct udevice *dev, uint channel, bool polarity);
};
#define pwm_get_ops(dev) ((struct pwm_ops *)(dev)->driver->ops)
@@ -60,6 +69,16 @@ int pwm_set_config(struct udevice *dev, uint channel, uint period_ns,
*/
int pwm_set_enable(struct udevice *dev, uint channel, bool enable);
+/**
+ * pwm_set_invert() - Set pwm default polarity
+ *
+ * @dev: PWM device to update
+ * @channel: PWM channel to update
+ * @polarity: true to invert, false to keep normal polarity
+ * @return 0 if OK, -ve on error
+ */
+int pwm_set_invert(struct udevice *dev, uint channel, bool polarity);
+
/* Legacy interface */
#ifndef CONFIG_DM_PWM
int pwm_init (int pwm_id, int div, int invert);