RCG_CFG_OFFSET
ret = regmap_read(rcg->clkr.regmap, RCG_CFG_OFFSET(rcg), &cfg);
ret = regmap_update_bits(rcg->clkr.regmap, RCG_CFG_OFFSET(rcg),
regmap_read(rcg->clkr.regmap, RCG_CFG_OFFSET(rcg), &cfg);
ret = regmap_read(rcg->clkr.regmap, RCG_CFG_OFFSET(rcg), &cfg);
ret = regmap_write(rcg->clkr.regmap, RCG_CFG_OFFSET(rcg), cfg);
ret = regmap_read(rcg->clkr.regmap, RCG_CFG_OFFSET(rcg), &cfg);
ret = regmap_write(rcg->clkr.regmap, RCG_CFG_OFFSET(rcg), cfg);
regmap_read(rcg->clkr.regmap, RCG_CFG_OFFSET(rcg), &cfg);