[PATCH v4 0/2] Add support for Amediatech X98Q (Amlogic S905W2)

[christian.koever-draxl at student.uibk.ac.at]

From: Christian Stefan Kövér-Draxl <christian.koever-draxl at student.uibk.ac.at>

Supported features:
- 1GB RAM (2GB variants exist)
- 10/100 Ethernet (Internal PHY)
- eMMC and SD card storage
- PWM-based CPU voltage regulation
- UART (Serial console)

Notes:
- The console uses uart_b at 921600 baud.
- Verified memory via /proc/device-tree; U-Boot patches the node.
- Tested on the 2GB RAM plus 16GB eMMC variant. 

Changes in v4:
- Add/Change hardware description to cover letter and dts patch.

Changes in v3:
- Change position of the entry in the amlogic.yaml.
- Change formatting of the Amlogic W150S1 Wi-Fi module comment.
- Fix several formatting issues.

Changes in v2:
- Split dt-bindings and dts changes into separate patches.
- Updated model string to match documented vendor prefix.
- Put vddio_sd states array in a single line.
- Added a comment for the unsupported Amlogic W150S1 Wi-Fi module. 

Christian Stefan Kövér-Draxl (2):
  dt-bindings: arm: amlogic: add support for Amediatech X98Q
  arm64: dts: amlogic: add support for Amediatech X98Q

 .../devicetree/bindings/arm/amlogic.yaml      |   7 +
 arch/arm64/boot/dts/amlogic/Makefile          |   1 +
 .../boot/dts/amlogic/meson-s4-s905w2-x98q.dts | 249 ++++++++++++++++++
 3 files changed, 257 insertions(+)
 create mode 100644 arch/arm64/boot/dts/amlogic/meson-s4-s905w2-x98q.dts

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2.53.0