在RK-3506开发板中如何修改复用引脚

李强

如何将VO_LCDC_D0和VO_LCDC_D1在设备数据修改为UART5_TX_M1和UART5_RX_M1串口功能？
修改设备树如下：
&uart5 {
        pinctrl-names = "default";
        pinctrl-0 = <&rm_io31_uart5_rx &rm_io30_uart5_tx>;
        status = "okay";
};
提示报错如下：
arch/arm/boot/dts/rk3502.dtsi:1042.25-1054.4: ERROR (phandle_references): /serial@ff4e0000: Reference to non-existent node or label "rm_io31_uart5_rx"

  also defined at arch/arm/boot/dts/OK3506-S-common.dtsi:345.8-349.3
arch/arm/boot/dts/rk3502.dtsi:1042.25-1054.4: ERROR (phandle_references): /serial@ff4e0000: Reference to non-existent node or label "rm_io30_uart5_tx"

  also defined at arch/arm/boot/dts/OK3506-S-common.dtsi:345.8-349.3
ERROR: Input tree has errors, aborting (use -f to force output)
make[2]: *** [scripts/Makefile.lib:419: arch/arm/boot/dts/OK3506-S_linux_emmc.dtb] Error 2
make[1]: *** [Makefile:1466: OK3506-S_linux_emmc.dtb] Error 2
make[1]: *** Waiting for unfinished jobs....
make: *** [arch/arm/Makefile:344: OK3506-S_linux_emmc.img] Error 2
make: Leaving directory '/HaiwaiReceiver/01_feilin/OK3506_Linux_Source/kernel-6.1'