TIM_CR2_MMS
regmap_update_bits(priv->regmap, TIM_CR2, TIM_CR2_MMS,
regmap_clear_bits(priv->regmap, TIM_CR2, TIM_CR2_MMS);
cr2 = (cr2 & TIM_CR2_MMS) >> TIM_CR2_MMS_SHIFT;
mask = TIM_CR2_MMS;