pca6146 requires vcc-supply to work on i.MX8MM-EVK board.
Reviewed-by: Shengjiu Wang <shengjiu.wang@nxp.com> Signed-off-by: Adrian Alonso <adrian.alonso@nxp.com> Signed-off-by: Peng Fan <peng.fan@nxp.com> Reviewed-by: Marco Felsch <m.felsch@pengutronix.de> Signed-off-by: Shawn Guo <shawnguo@kernel.org>