Untronix

/dts-v1/; /plugin/; /{ compatible = "allwinner,sun8i-h3"; fragment@0 { target = <&spi0>; // Targeting SPI0 bus (corrected) overlay { status = "okay"; sc16is752: sc16is752@0 { compatible = "nxp,sc16is752"; reg = <0>; clocks = <&sc16is752_clk>; interrupt-parent = <&pio>; interrupts = <0 7 2>; gpio-controller; #gpio-cells = <2>; spi-max-frequency = <4000000>; status = "okay"; sc16is752_clk: sc16is752_clk { compatible = "fixed-clock"; #clock-cells = <0>; clock-frequency = <14745600>; // Clock frequency for SC16IS752 }; }; }; }; }; created this overlay for this hat, but i have such logs from dmesg [ 2.533014] spi spi0.0: Fixed dependency cycle(s) with /soc/spi@1c68000/sc16is752@0/sc16is752_clk [ 2.533163] sun6i-spi 1c68000.spi: chipselect 0 already in use [ 2.533175] spi_master spi0: spi_device register error /soc/spi@1c68000/spidev@0 [ 2.533206] spi_master spi0: Failed to create SPI device for /soc/spi@1c68000/spidev@0 [ 8.704292] spi0.0: ttySC0 at I/O 0x0 (irq = 48, base_baud = 921600) is a SC16IS752 [ 8.708394] spi0.0: ttySC1 at I/O 0x1 (irq = 48, base_baud = 921600) is a SC16IS752 Based on this i thought that interfaces are created but not, how i can fix it?

Here is all source files https://www.waveshare.com/wiki/2-CH_RS232_HAT SC16IS752_datasheet.pdf 2-CH_RS232_HAT_SchDoc.pdf

Hello! I have orange pi one, and i need to connect 2-ch rs232 hat from waveshare, i tried to do something similar to instruction for raspberry only with replacement to armbianEnv.txt, but it’s not worked. I’m newbie, can anyone describe how i can connect this hat?