mantouboji Posted February 8, 2023 Share Posted February 8, 2023 This is my DTS file for OrangePi Zero2, opened UART5 for attach a GPS module on GPIO. Tried to add 1wire, PPS and SPI , but can't work. maybe help someone. sun50i-h616-orangepi-zero2.dts 0 Quote Link to comment Share on other sites More sharing options...
mantouboji Posted February 9, 2023 Author Share Posted February 9, 2023 the new one, add bluetooth, now hciconfig can found hci0, but can't init it. sun50i-h616-orangepi-zero2.dts 0 Quote Link to comment Share on other sites More sharing options...
Marian Minar Posted April 6, 2023 Share Posted April 6, 2023 And what overlay_prefix do you have set in /boot/armbianEnv.txt? 0 Quote Link to comment Share on other sites More sharing options...
Guest Posted November 23, 2023 Share Posted November 23, 2023 @mantouboji did you ever get this working? I'm also trying to get GPS with PPS on Orange Pi Zero 2. orangepi@orangepi:~$ dmesg | grep pps [ 6.546878] sun50i-h616-pinctrl 300b000.pinctrl: pin PC1 already requested by pps@0; cannot claim for 300b000.pinctrl:65 [ 6.546910] pps-gpio pps@0: error -EINVAL: failed to request PPS GPIO [ 6.546918] pps-gpio: probe of pps@0 failed with error -22 My overlay: /dts-v1/; /plugin/; / { compatible = "allwinner,sun50i-h616"; fragment@0 { target = <&pio>; __overlay__ { pps_pins: pps_pins { pins = "PC1"; function = "gpio_in"; }; }; }; fragment@1 { target-path = "/"; __overlay__ { pps@0 { compatible = "pps-gpio"; pinctrl-names = "default"; pinctrl-0 = <&pps_pins>; gpios = <&pio 2 1 0>; /* PC1 */ status = "okay"; }; }; }; }; 0 Quote Link to comment Share on other sites More sharing options...
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