1 files changed, 75 insertions, 0 deletions
diff --git a/platform/drivers/src/ccm_analog_imx7d.c b/platform/drivers/src/ccm_analog_imx7d.c
new file mode 100644
index 0000000..3493690
--- /dev/null
+++ b/platform/drivers/src/ccm_analog_imx7d.c
@@ -0,0 +1,75 @@
+/*
+ * Copyright (c) 2015, Freescale Semiconductor, Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * o Redistributions of source code must retain the above copyright notice, this list
+ *   of conditions and the following disclaimer.
+ *
+ * o 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.
+ *
+ * o Neither the name of Freescale Semiconductor, Inc. nor the names of its
+ *   contributors may be used to endorse or promote products derived from this
+ *   software without specific prior written permission.
+ *
+ * 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.
+ */
+
+#include "ccm_analog_imx7d.h"
+
+/*******************************************************************************
+ * Code
+ ******************************************************************************/
+
+/*FUNCTION**********************************************************************
+ *
+ * Function Name : CCM_ANALOG_GetSysPllFreq
+ * Description   : Get system PLL frequency
+ *
+ *END**************************************************************************/
+uint32_t CCM_ANALOG_GetSysPllFreq(CCM_ANALOG_Type * base)
+{
+    if (CCM_ANALOG_IsPllBypassed(base, ccmAnalogPll480Control))
+        return 24000000;
+
+    if (CCM_ANALOG_PLL_480 & CCM_ANALOG_PLL_480_DIV_SELECT_MASK)
+        return 528000000;
+    else
+        return 480000000;
+}
+
+/*FUNCTION**********************************************************************
+ *
+ * Function Name : CCM_ANALOG_GetPfdFreq
+ * Description   : Get PFD frequency
+ *
+ *END**************************************************************************/
+uint32_t CCM_ANALOG_GetPfdFreq(CCM_ANALOG_Type * base, uint32_t pfdFrac)
+{
+    uint32_t main, frac;
+
+    /* PFD should work with system PLL without bypass */
+    assert(!CCM_ANALOG_IsPllBypassed(base, ccmAnalogPll480Control));
+
+    main = CCM_ANALOG_GetSysPllFreq(base);
+    frac = CCM_ANALOG_GetPfdFrac(base, pfdFrac);
+
+    return main / frac * 18; 
+}
+
+/*******************************************************************************
+ * EOF
+ ******************************************************************************/