diff --git a/tests/TestSuite_cvl_1pps_signal.py b/tests/TestSuite_cvl_1pps_signal.py
new file mode 100755
index 00000000..4304ad64
--- /dev/null
+++ b/tests/TestSuite_cvl_1pps_signal.py
@@ -0,0 +1,131 @@
+# BSD LICENSE
+#
+# Copyright(c) 2010-2022 Intel Corporation. All rights reserved.
+# 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.
+#   * Neither the name of Intel Corporation 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
+# OWNER 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.
+
+
+import re
+from framework.pmd_output import PmdOutput
+from framework.test_case import TestCase, check_supported_nic
+
+
+class TestCVL1PPS(TestCase):
+    supported_nic = ['columbiaville_100g', 'columbiaville_25g']
+    @check_supported_nic(supported_nic)
+    def set_up_all(self):
+        """
+        Run at the start of each test suite.
+        prerequisites.
+        """
+        # Based on h/w type, chose how many ports to use
+        dut_ports = self.dut.get_ports(self.nic)
+        self.verify(len(dut_ports) >= 1, "Insufficient ports for testing")
+        # Verify that enough threads are available
+        self.cores = self.dut.get_core_list("1S/2C/1T")
+        self.verify(self.cores, "Insufficient cores for speed testing")
+        self.pci = self.dut.ports_info[dut_ports[0]]['pci']
+        self.pmd_output = PmdOutput(self.dut)
+        self.GLTSYN_AUX = re.compile(r'0x00000007\s+\(7\)')
+        self.GLTSYN_CLKO = re.compile(r'0x1DCD6500\s+\(500000000\)')
+        self.pattern = re.compile('register\s+at\s+offset\s+.*:\s+(?P<hex>0x\w+)\s+\(\d+\)')
+
+    def set_up(self):
+        """
+        Run before each test case.
+        """
+        pass
+
+    def read_register(self, addr, port_id=0):
+        cmd = 'read reg {} {}'.format(port_id, addr)
+        return self.pmd_output.execute_cmd(cmd)
+
+    def launch_testpmd(self, pin_id, rxq=4, txq=4):
+        self.out = self.pmd_output.start_testpmd(cores="1S/2C/1T", param="--rxq={} --txq={} ".format(rxq, txq),
+                                                 eal_param="-a {},pps_out='[pin:{}]'".format(self.pci, pin_id))
+        # Check the GLTSYN_AUX_OUT, GLTSYN_CLKO and other two registers
+    def check_four_registers(self, pin_id, addrs, port_id=0):
+        self.launch_testpmd(pin_id)
+        for i in range(len(addrs)):
+            out = self.read_register(addrs[i], port_id=port_id)
+            if i == 0:
+                pattern = self.GLTSYN_AUX
+            elif i == 1:
+                pattern = self.GLTSYN_CLKO
+            else:
+                pattern = self.pattern
+            res = pattern.search(out)
+            self.verify(res, 'pattern:{} not found in output info: {}'.format(pattern, out))
+            if i > 1:
+                actual_value = int(res.group('hex'), 16)
+                self.verify(actual_value != 0,
+                            'check pin id:{0} register address:{1} failed, expected value is non-zero, actual value is:{2}'.format(pin_id,addrs[i],actual_value))
+            self.logger.info('check pin id: {0} register address: {1} pass'.format(pin_id,addrs[i]))
+        # complete checking registers
+        self.quit_testpmd()
+        return res
+
+    def check_GLGEN_GPIO_CTL_value(self, hex_value, target_value):
+        self.verify(hex_value[-3] == target_value,
+                    'check register failed, target value is {} not match expected value {}'.format(hex_value[-3], target_value))
+        bit_5th = bin(int(hex_value, 16))[-5]
+        self.verify(bit_5th == '1', 'check register failed, the 5th bit is {} not match expected value {}'.format(bit_5th, 1))
+        self.logger.info('check register value {} pass'.format(hex_value))
+
+    def test_check_register_with_pin_id_0(self):
+        addrs = ['0x00088998', '0x000889B8', '0x00088928', '0x00088930', '0x000880C8']
+        res = self.check_four_registers(pin_id=0, addrs=addrs)
+        # 3rd Hexadecimal digit of GLGEN_GPIO_CTL[0] 0x000880C8 is 8. And the 5th binary digit is 1.
+        self.check_GLGEN_GPIO_CTL_value(hex_value=res.group('hex'), target_value='8')
+
+    def test_check_register_with_pin_id_1(self):
+        addrs = ['0x000889A0', '0x000889C0', '0x00088938', '0x00088940', '0x000880CC']
+        res = self.check_four_registers(pin_id=1, addrs=addrs)
+        # 3rd Hexadecimal digit of GLGEN_GPIO_CTL[1] 0x000880CC is 9. And the 5th binary digit is 1.
+        self.check_GLGEN_GPIO_CTL_value(hex_value=res.group('hex'), target_value='9')
+
+    def test_check_register_with_pin_id_2(self):
+        addrs = ['0x000889A8', '0x000889C8', '0x00088948', '0x00088950', '0x000880D0']
+        res = self.check_four_registers(pin_id=2, addrs=addrs)
+        # 3rd Hexadecimal digit of GLGEN_GPIO_CTL[2] 0x000880D0 is A. And the 5th binary digit is 1.
+        self.check_GLGEN_GPIO_CTL_value(hex_value=res.group('hex'), target_value='A')
+
+    def test_check_register_with_pin_id_3(self):
+        addrs = ['0x000889B0', '0x000889D0', '0x00088958', '0x00088960', '0x000880D4']
+        res = self.check_four_registers(pin_id=3, addrs=addrs)
+        # 3rd Hexadecimal digit of GLGEN_GPIO_CTL[3] 0x000880D4 is B. And the 5th binary digit is 1.
+        self.check_GLGEN_GPIO_CTL_value(hex_value=res.group('hex'), target_value='B')
+
+    def quit_testpmd(self):
+        self.pmd_output.quit()
+
+    def tear_down(self):
+        self.dut.kill_all()
+
+    def tear_down_all(self):
+        self.dut.kill_all()
