PWM_CLKDIV_SHIFT   22 drivers/pwm/pwm-mtk-disp.c #define PWM_CLKDIV_MASK		(PWM_CLKDIV_MAX << PWM_CLKDIV_SHIFT)
PWM_CLKDIV_SHIFT  113 drivers/pwm/pwm-mtk-disp.c 				 clk_div << PWM_CLKDIV_SHIFT);