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Hi guys, I created another device tree overlay that I needed, to enable two user leds on GPIO. Specifically GPIO0_B7 and GPIO0_C0, which is pins 27 and 28 on the header. Posting it here in case someone needs it, like I did with with the SPIdev overlay too. Here it is: rk3308-user-leds.dts What I needed this for is ethernet port LEDs, since the original connector does not include them. To get standard ethernet LED behavior on these newly defined LEDs, you can do this (you need su access): modprobe ledtrig-netdev echo "netdev" > /sys/class/leds/rock-s0\:orange\:user1/trigger echo "netdev" > /sys/class/leds/rock-s0\:green\:user2/trigger echo "1" > /sys/class/leds/rock-s0\:orange\:user1/rx echo "1" > /sys/class/leds/rock-s0\:green\:user2/link echo "end0" > /sys/class/leds/rock-s0\:orange\:user1/device_name echo "end0" > /sys/class/leds/rock-s0\:green\:user2/device_name (Change end0 to eth0 in the last two lines if you use ubuntu-based image instead of debian-based (minimal).

I have to try to run home Assistant on the Radxa Rock S0 and I found the image file on https://www.armbian.com/radxa-rock-s0/ under the Dedicated applications images with Armbian Linux v6.6. I burn the image on the SD card butt that is all I could do, I'm not able to access the Rock S0 any way so I can't say that is working or not. Try to use the Putty with COM port but there's no COM port available, neither I can get any IP address so that I would access it trough Putty or locally trough LAN localhost:8123 I would be glad if someone can point me to the author of the image, I try to look on GitHub but couldn't find any Repository. Any help would be appreciated.

Hi! I am working on a project in which audio is transmitted over the I2S bus to TAS6424-Q1 chips. I am using the Radxa Rock S0 board, the latest stable Armbinan 6.6 kernel and an additionally compiled dummy-codec module. 1. If I use the following overlay // Definitions for 8-ch-output /dts-v1/; /plugin/; / { compatible = "radxa,rockpis", "rockchip,rk3308"; fragment@0 { target = <&i2s_8ch_0>; __overlay__ { #sound-dai-cells = <0>; rockchip,clk-trm = <1>; status = "okay"; }; }; fragment@1 { target = <&i2s_8ch_2>; __overlay__ { #sound-dai-cells = <0>; status = "disabled"; }; }; fragment@2 { target = <&acodec>; __overlay__ { #sound-dai-cells = <0>; status = "disabled"; }; }; fragment@3 { target-path = "/"; __overlay__ { mycodec: multi-ch-out { #sound-dai-cells = <0>; compatible = "rockchip,dummy-codec"; status = "okay"; }; sound_i2s { simple-audio-card,name = "multi-ch-card"; compatible = "simple-audio-card"; simple-audio-card,format = "i2s"; simple-audio-card,mclk-fs = <128>; status = "okay"; cpu_dai: simple-audio-card,cpu { sound-dai = <&i2s_8ch_0>; }; codec_dai: simple-audio-card,codec { sound-dai = <&mycodec>; }; }; }; }; }; and when I try to play something (for example, speaker-test -from 8), I get a hung process that cannot even be killed with "kill -9". I am attaching the error log. But! 2. If I modify my rk3308-rocks-0.dts file as follow without any overlay: ... i2s@ff300000 { status = "okay"; phandle = <0x79>; ... i2s@ff320000 { status = "disabled"; ... sound { compatible = "simple-audio-card"; #sound-dai-cells = < 0 >; simple-audio-card,format = "i2s"; simple-audio-card,mclk-fs = <0x100>; simple-audio-card,name = "OUT8CH"; simple-audio-card,bitclock-master = <&cpu_dai>; simple-audio-card,frame-master = <&cpu_dai>; simple-audio-card,status = "okay"; cpu_dai: simple-audio-card,cpu { sound-dai = <0x79>; }; simple-audio-card,codec { sound-dai = <&dummy_tdm_codec>; }; }; dummy_tdm_codec: dummy-codec { status = "okay"; compatible = "rockchip,dummy-codec"; // clocks = <0x02 0x4c>; // clock-names = "mclk_tx"; // pinctrl-names = "default"; // pinctrl-0 = <0x4a>; #sound-dai-cells = < 0 >; phandle = < 0x139 >; }; BCK, LRCK and DATA signals are transmitted without problems, but I can't get the MCLK signal from pin 35 of the board (GPIO2_A4 or I2S0_8CH_MCLK) in any way, even if you uncomment the lines with clocks and pinctrl.. My project will collapse without a working mclk. Please, help! err.log

Hi guys, I got a SPIdev overlay to work on the rock S0, figured I'd just share it here for the record, since I could have used this info myself (I spent days trying to figure it out since I had no experience with device trees or whatnot). Basically, download the attached .dts file, then run sudo armbian-add-overlay rk3308-spi2-spidev.dts I also edited /boot/armbianEnv.txt and added this line, but I'm unsure if that's actually necessary? param_spidev_spi_bus=2 This worked on Armbian 24.5.1 Noble, creating /dev/spidev2.0. You can verify that it works using this tool: https://github.com/rm-hull/spidev-test The dts file is based on this one from radxa, however changed to "fragment@" syntax like other armbian overlays: https://github.com/radxa-pkg/radxa-overlays/blob/main/arch/arm64/boot/dts/rockchip/overlays/rk3308-spi2-spidev.dts Maybe this will also work on Rock Pi S, but haven't tested. rk3308-spi2-spidev.dts