rk8xx_read
error = rk8xx_read(sc->dev, sc->dev_ctrl.dev_ctrl_reg, &val, 1);
err = rk8xx_read(dev, RK805_CHIP_NAME, data, 1);
err = rk8xx_read(dev, RK805_CHIP_VER, data + 1, 1);
int rk8xx_read(device_t dev, uint8_t reg, uint8_t *data, uint8_t size);
rk8xx_read(sc->base_dev, CLK32OUT_REG, &val, sizeof(val));
rk8xx_read(sc->base_dev, sc->def->enable_reg, &val, 1);
rk8xx_read(sc->base_dev, sc->def->voltage_reg, &val, 1);
rk8xx_read(sc->base_dev, sc->def->voltage_reg, &val, 1);
rk8xx_read(sc->base_dev, sc->def->voltage_reg, &val, 1);
rk8xx_read(sc->base_dev, sc->def->enable_reg, &val, 1);
error = rk8xx_read(dev, sc->rtc_regs.ctrl, &ctrl, 1);
error = rk8xx_read(dev, sc->rtc_regs.ctrl, &ctrl, 1);
error = rk8xx_read(dev, sc->rtc_regs.secs, data, 7);