diff --git a/plat/rockchip/common/drivers/pmu/pmu_com.h b/plat/rockchip/common/drivers/pmu/pmu_com.h
new file mode 100644
index 0000000..0cab53c
--- /dev/null
+++ b/plat/rockchip/common/drivers/pmu/pmu_com.h
@@ -0,0 +1,122 @@
+/*
+ * Copyright (c) 2016, ARM Limited and Contributors. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * Redistributions of source code must retain the above copyright notice, this
+ * list of conditions and the following disclaimer.
+ *
+ * Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef __PMU_COM_H__
+#define __PMU_COM_H__
+
+DEFINE_BAKERY_LOCK(rockchip_pd_lock);
+
+#define rockchip_pd_lock_get() bakery_lock_get(&rockchip_pd_lock)
+
+#define rockchip_pd_lock_rls() bakery_lock_release(&rockchip_pd_lock)
+
+#define rockchip_pd_lock_init() bakery_lock_init(&rockchip_pd_lock)
+/*****************************************************************************
+ * power domain on or off
+ *****************************************************************************/
+enum pmu_pd_state {
+	pmu_pd_on = 0,
+	pmu_pd_off = 1
+};
+
+#pragma weak plat_ic_get_pending_interrupt_id
+#pragma weak pmu_power_domain_ctr
+#pragma weak check_cpu_wfie
+
+static inline uint32_t pmu_power_domain_st(uint32_t pd)
+{
+	uint32_t pwrdn_st = mmio_read_32(PMU_BASE + PMU_PWRDN_ST) &  BIT(pd);
+
+	if (pwrdn_st)
+		return pmu_pd_off;
+	else
+		return pmu_pd_on;
+}
+
+static int pmu_power_domain_ctr(uint32_t pd, uint32_t pd_state)
+{
+	uint32_t val;
+	uint32_t loop = 0;
+	int ret = 0;
+
+	rockchip_pd_lock_get();
+
+	val = mmio_read_32(PMU_BASE + PMU_PWRDN_CON);
+	if (pd_state == pmu_pd_off)
+		val |=  BIT(pd);
+	else
+		val &= ~BIT(pd);
+
+	mmio_write_32(PMU_BASE + PMU_PWRDN_CON, val);
+	dsb();
+
+	while ((pmu_power_domain_st(pd) != pd_state) && (loop < PD_CTR_LOOP)) {
+		udelay(1);
+		loop++;
+	}
+
+	if (pmu_power_domain_st(pd) != pd_state) {
+		WARN("%s: %d, %d, error!\n", __func__, pd, pd_state);
+		ret = -EINVAL;
+	}
+
+	rockchip_pd_lock_rls();
+
+	return ret;
+}
+
+static int check_cpu_wfie(uint32_t cpu_id, uint32_t wfie_msk)
+{
+	uint32_t cluster_id, loop = 0;
+
+	if (cpu_id >= PLATFORM_CLUSTER0_CORE_COUNT) {
+		cluster_id = 1;
+		cpu_id -= PLATFORM_CLUSTER0_CORE_COUNT;
+	} else {
+		cluster_id = 0;
+	}
+
+	if (cluster_id)
+		wfie_msk <<= (clstb_cpu_wfe + cpu_id);
+	else
+		wfie_msk <<= (clstl_cpu_wfe + cpu_id);
+
+	while (!(mmio_read_32(PMU_BASE + PMU_CORE_PWR_ST) & wfie_msk) &&
+	       (loop < CHK_CPU_LOOP)) {
+		udelay(1);
+		loop++;
+	}
+
+	if ((mmio_read_32(PMU_BASE + PMU_CORE_PWR_ST) & wfie_msk) == 0) {
+		WARN("%s: %d, %d, %d, error!\n", __func__,
+		     cluster_id, cpu_id, wfie_msk);
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
+#endif /* __PMU_COM_H__ */