On 15/01/2022 17:27, Henrik Grimler wrote: > Samsung's tablet Galaxy Tab S 10.5" (wifi) has codename chagallwifi > and is one of several tablets released in 2013 - 2014 based on Exynos > 5420. This initial devicetree adds support for accessing device over > USB or UART, and allows using a rootfs in either the internal eMMC or > an external sdcard. 4 out of 8 CPUs are brought up when device boots, > which is the same as on the somewhat similar device > exynos5420-arndale-octa. > > Patch 2 is necessary after a secure-firmware node is added, otherwise > device hangs during the CPU1BOOT secure monitor call. Without the > secure-firmware node we are not able to bring up any secondary CPUs. > > Changes since v1 > ================ > > Fix mmc_0 and usbdrd in patch 3: > * Remove extra, non supported, options from mmc_0 node > * Do not set usbdrd supplies. Usb networking does not work with them > specified, but it works fine with dummy regulators Re-try with supplies after fixing the regulators (my comment to v1). These should work, unless your regulators are wrongly configured or you used wrong supplies. I just sent a review for v1, so please go through it. Best regards, Krzysztof