PWM_IMX_TPM_MOD_WIDTH   59 drivers/pwm/pwm-imx-tpm.c #define PWM_IMX_TPM_MOD_MOD	GENMASK(PWM_IMX_TPM_MOD_WIDTH - 1, 0)
PWM_IMX_TPM_MOD_WIDTH  104 drivers/pwm/pwm-imx-tpm.c 		prescale = ilog2(clock_unit) + 1 - PWM_IMX_TPM_MOD_WIDTH;