From: Vitaly Gaiduk <vitaly.gaiduk@cloudbear.ru>Date: Mon, 9 Sep 2019 20:19:25 +0300> Add documentation of ti,sgmii-ref-clock-output-enable> which can be used to select SGMII mode type (4 or 6-wire).> > Signed-off-by: Vitaly Gaiduk <vitaly.gaiduk@cloudbear.ru>Applied.