read_dt_param
if (!read_dt_param(td, "nvidia,i2c-fs-rate", &td->i2c_fs_rate))
ret = read_dt_param(td, "nvidia,pwm-tristate-microvolts",
ret = read_dt_param(td, "nvidia,pwm-period-nanoseconds", &pwm_period);
ok &= read_dt_param(td, "nvidia,droop-ctrl", &td->droop_ctrl);
ok &= read_dt_param(td, "nvidia,sample-rate", &td->sample_rate);
ok &= read_dt_param(td, "nvidia,force-mode", &td->force_mode);
ok &= read_dt_param(td, "nvidia,cf", &td->cf);
ok &= read_dt_param(td, "nvidia,ci", &td->ci);
ok &= read_dt_param(td, "nvidia,cg", &td->cg);