soc: fsl: qbman: add interrupt coalesce changing APIs

Add the APIs required to control the QMan portal interrupt coalescing
settings.

Signed-off-by: Madalin Bucur <madalin.bucur@nxp.com>
Signed-off-by: Li Yang <leoyang.li@nxp.com>

include/soc/fsl/qman.h

@@ -1194,4 +1194,32 @@ int qman_release_cgrid(u32 id);
  */
 int qman_is_probed(void);
 
+/**
+ * qman_dqrr_get_ithresh - Get coalesce interrupt threshold
+ * @portal: portal to get the value for
+ * @ithresh: threshold pointer
+ */
+void qman_dqrr_get_ithresh(struct qman_portal *portal, u8 *ithresh);
+
+/**
+ * qman_dqrr_set_ithresh - Set coalesce interrupt threshold
+ * @portal: portal to set the new value on
+ * @ithresh: new threshold value
+ */
+void qman_dqrr_set_ithresh(struct qman_portal *portal, u8 ithresh);
+
+/**
+ * qman_dqrr_get_iperiod - Get coalesce interrupt period
+ * @portal: portal to get the value for
+ * @iperiod: period pointer
+ */
+void qman_portal_get_iperiod(struct qman_portal *portal, u32 *iperiod);
+
+/**
+ * qman_dqrr_set_iperiod - Set coalesce interrupt period
+ * @portal: portal to set the new value on
+ * @ithresh: new period value
+ */
+void qman_portal_set_iperiod(struct qman_portal *portal, u32 iperiod);
+
 #endif	/* __FSL_QMAN_H */