[PATCH v2 0/3] arm64: dts: qcom: sm7125-samsung: add initial device tree for SM7125 Samsung platform

From: Erikas Bitovtas

Date: Sun Jul 05 2026 - 06:33:39 EST


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/20250721-sc7180-shm-hang-v1-1-99ad9ffeb5b4@xxxxxxx/
Add SM7125 to the qcom_tzmem_blacklist to avoid hangs when booting.

Signed-off-by: Erikas Bitovtas <xerikasxx@xxxxxxxxx>
---
Changes in v2:
- Renamed regulator nodes to satisfy dtbs_check.
- Renamed pin configurations for SD card to satisfy dtbs_check.
- Moved rmtfs_mem to the common dtsi, shifted addresses 0x1000 to the
left and added "qcom,use-guard-pages".
- Converted decimal 0 to hex 0x0 where applicable.
- Pinctrl names are now listed after pinctrl themselves.
- Renamed vol-up to button-vol-up to satisfy dtbs_check.
- Framebuffer uses cont_splash_mem instead of retyping reg.
- Removed pinctrl-names from vibrator.
- Added a blank line at the top to the comment for &pm6150_pon
- Added a comment explaining what the reserved gpio ranges are.
- Added a blank line before "status = "okay"" where applicable.
- Link to v1: https://patch.msgid.link/20260703-sm7125-samsung-v1-0-3e5f752048c1@xxxxxxxxx

To: Bjorn Andersson <andersson@xxxxxxxxxx>
To: Konrad Dybcio <konradybcio@xxxxxxxxxx>
To: Rob Herring <robh@xxxxxxxxxx>
To: Krzysztof Kozlowski <krzk+dt@xxxxxxxxxx>
To: Conor Dooley <conor+dt@xxxxxxxxxx>
To: Bartosz Golaszewski <brgl@xxxxxxxxxx>
To: Kees Cook <kees@xxxxxxxxxx>
To: Tony Luck <tony.luck@xxxxxxxxx>
To: "Guilherme G. Piccoli" <gpiccoli@xxxxxxxxxx>
Cc: linux-arm-msm@xxxxxxxxxxxxxxx
Cc: devicetree@xxxxxxxxxxxxxxx
Cc: linux-kernel@xxxxxxxxxxxxxxx

---
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 | 20 +
arch/arm64/boot/dts/qcom/sm7125-samsung-a72q.dts | 20 +
.../arm64/boot/dts/qcom/sm7125-samsung-common.dtsi | 536 +++++++++++++++++++++
drivers/firmware/qcom/qcom_tzmem.c | 1 +
6 files changed, 581 insertions(+)
---
base-commit: 2b763db0c2763d6bf73d7d3e69665222d1f377cf
change-id: 20260627-sm7125-samsung-b685d8b9cd40

Best regards,
--
Erikas Bitovtas <xerikasxx@xxxxxxxxx>