AT91_PMC_SMD
regmap_read(smd->regmap, AT91_PMC_SMD, &smdr);
regmap_update_bits(smd->regmap, AT91_PMC_SMD, AT91_PMC_SMDS,
regmap_read(smd->regmap, AT91_PMC_SMD, &smdr);
regmap_update_bits(smd->regmap, AT91_PMC_SMD, AT91_PMC_SMD_DIV,