CMU_PWM4CLK        53 drivers/clk/actions/owl-s500.c #define CMU_PWM4CLK			(0x0068)
CMU_PWM4CLK        61 drivers/clk/actions/owl-s700.c #define CMU_PWM4CLK		(0x0088)
CMU_PWM4CLK        71 drivers/clk/actions/owl-s900.c #define CMU_PWM4CLK		(0x00C8)