MTK_HW_PERIOD
[MTK_HW_PERIOD] = {0x10, 0, GENMASK(7, 0)},
[MTK_HW_PERIOD] = {0x10, 0, GENMASK(24, 0)},
val = (ir->data->hw_period << ir->data->fields[MTK_HW_PERIOD].offset) &
ir->data->fields[MTK_HW_PERIOD].mask;
mtk_w32_mask(ir, val, ir->data->fields[MTK_HW_PERIOD].mask,
ir->data->fields[MTK_HW_PERIOD].reg);