On 30/08/2022 23:16, Jerry.Ray@xxxxxxxxxxxxx wrote: >> >>> + >>> + chosen { >>> + stdout-path = "serial0:115200n8"; >>> + }; >>> + >>> + clocks { >>> + slow_xtal { >> >> No underscores in node names. Generic node names, so at least add some generic prefix or suffix, e.g.: "slow-xtal-clock" >> > > I'm not at liberty to change these names. Pre-existing drivers are counting on them. > The hardware leverages the SAMA5D3-xplained board. > I'm leveraging the at91-sama5d3_xplained.dts. > The board will not boot up if I modify the names. For custom names you have clock-output-names... But anyway it seems you override existing nodes, so this should be override by label, not by entire path. Best regards, Krzysztof