Samsung Galaxy A52/A72 are smartphones released in 2021 on SM7125 (atoll) platform. This patch series introduces support for SM7125 Samsung devices with the following components enabled: - Framebuffer - GPIO keys - Hall sensor - Vibrator - Regulators - Reset input - Real-time clock - SD card - UFS - USB Along with that, SM7125 was affected by a hang when launching SHM bridge. A similar issue was reported on a similar chipset: https://lore.kernel.org/all/[email protected]/ Add SM7125 to the qcom_tzmem_blacklist to avoid hangs when booting.
Signed-off-by: Erikas Bitovtas <[email protected]> --- Erikas Bitovtas (2): dt-bindings: arm: qcom: Document Samsung Galaxy A52/A72 arm64: dts: qcom: sm7125-samsung: add initial device tree Vitalii Skorkin (1): firmware: qcom: tzmem: disable SHM bridge for SM7125 platform Documentation/devicetree/bindings/arm/qcom.yaml | 2 + arch/arm64/boot/dts/qcom/Makefile | 2 + arch/arm64/boot/dts/qcom/sm7125-samsung-a52q.dts | 31 ++ arch/arm64/boot/dts/qcom/sm7125-samsung-a72q.dts | 31 ++ .../arm64/boot/dts/qcom/sm7125-samsung-common.dtsi | 518 +++++++++++++++++++++ drivers/firmware/qcom/qcom_tzmem.c | 1 + 6 files changed, 585 insertions(+) --- base-commit: 6eb8711ece2ce27e52e327a5b7a628ed39b97f45 change-id: 20260627-sm7125-samsung-b685d8b9cd40 Best regards, -- Erikas Bitovtas <[email protected]>
