diff --git a/tests/periph_i2c/tests/05__periph_i2c_clk_stretch.robot b/tests/periph_i2c/tests/05__periph_i2c_clk_stretch.robot
new file mode 100644
index 00000000..935d0510
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+++ b/tests/periph_i2c/tests/05__periph_i2c_clk_stretch.robot
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+*** Settings ***
+Documentation       Tests clock stretching.
+
+Suite Setup         Run Keywords    PHILIP Reset
+...                                 RIOT Reset
+...                                 API Firmware Should Match
+Test Setup          Run Keywords    PHILIP Reset
+...                                 RIOT Reset
+...                                 API Sync Shell
+...                                 I2C Acquire
+Test Teardown       I2C Release
+
+Resource            periph_i2c.keywords.txt
+Resource            api_shell.keywords.txt
+Resource            riot_base.keywords.txt
+
+Force Tags          periph  i2c
+
+*** Test Cases ***
+Read Register with clock stretching
+    [Documentation]             Verify DUT functions with clock stretching.
+    API Call Should Succeed     I2C Read Regs       reg=2   leng=10
+    Set Test Variable           ${accepted_vals}    ${RESULT['data']}
+    API Call Should Succeed     PHiLIP.write_reg    i2c.mode.init          0
+    API Call Should Succeed     PHiLIP.write_reg    i2c.clk_stretch_delay  0
+    API Call Should Succeed     PHiLIP.Execute Changes
+    API Call Should Succeed     I2C Read Regs       reg=2   leng=10
+    Should Be Equal             ${RESULT['data']}  ${accepted_vals}
+    API Call Should Succeed     PHiLIP.write_reg    i2c.mode.init          0
+    API Call Should Succeed     PHiLIP.write_reg    i2c.clk_stretch_delay  1000
+    API Call Should Succeed     PHiLIP.Execute Changes
+    API Call Should Succeed     I2C Read Regs       reg=2   leng=10
+    Should Be Equal             ${RESULT['data']}  ${accepted_vals}
+    API Call Should Succeed     PHiLIP.write_reg    i2c.mode.init          0
+    API Call Should Succeed     PHiLIP.write_reg    i2c.clk_stretch_delay  16000
+    API Call Should Succeed     PHiLIP.Execute Changes
+    API Call Should Succeed     I2C Read Regs       reg=2   leng=10
+    Should Be Equal             ${RESULT['data']}  ${accepted_vals}