reset: add polarity field into struct reset_ctl

Some reset controllers support different polarities for reset operation,
so let's add a polarity field into struct reset_ctl.

Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Acked-by: Joe Hershberger <joe.hershberger@ni.com>

diff --git a/include/reset.h b/include/reset.h
index 65aa7a4..a1a9ad5 100644 (file)
--- a/include/reset.h
+++ b/include/reset.h
@@ -43,6 +43,8 @@ struct udevice;
  * @data: An optional data field for scenarios where a single integer ID is not
  *       sufficient. If used, it can be populated through an .of_xlate op and
  *       processed during the various reset ops.
+ * @polarity: An optional polarity field for drivers that support
+ *       different reset polarities.
  *
  * Should additional information to identify and configure any reset signal
  * for any provider be required in the future, the struct could be expanded to
@@ -59,6 +61,7 @@ struct reset_ctl {
         */
        unsigned long id;
        unsigned long data;
+       unsigned long polarity;
 };
 
 /**