mbox series

[v2,0/2] Add SPC Glee 10.1 A64 board support

Message ID 20260911-b4-spc-glee-a64-v1-v2-0-ed0b7ff02e0b@proton.me (mailing list archive)
Headers
Series Add SPC Glee 10.1 A64 board support |

Message

Juan Carlos Gutiérrez Lavado via B4 Relay Sept. 11, 2026, 1:48 p.m. UTC 
Add initial support for the SPC Glee 10.1 tablet with Allwinner A64
and AXP803 PMIC. Describe essential supplies, 2 GiB DRAM, microSD,
UART, battery monitoring and USB peripheral mode. Keep unverified
peripherals disabled. The microSD slot uses broken-cd and a conservative
25 MHz limit until its card-detect wiring and faster modes are validated.

Validation against sunxi/for-next base 913f7eda9f3e:
- DTB build, binding checks and full DTB schema validation pass with
  dt-schema 2026.6. W=1 retains three inherited SoC warnings.
- Cold boot from microSD and kexec into Linux 7.3.0-rc1 with the corrected
  DTB reach accessible userspace without regulator_ignore_unused.
- CPUfreq transitions to 648, 816 and 1152 MHz were observed.
- CPU cooling state 7 limits the CPU to 648 MHz. Automatic thermal updates
  were paused briefly to test this actuator, then restored.
- USB supply online/present changed 1 -> 0 -> 1 during cable unplug/replug;
  SSH reconnected after the cable was restored.
- Automatic CPU thermal cooling reduced frequency under load. Two SHA-256
  workers completed 10 minutes, peaking at 78.37 C, with USB/SSH connected.
  Cooling state returned to 0 after removing the load. A four-worker test
  was stopped at a conservative 80 C limit after 27 seconds.

Long-duration stability, sustained full four-core load and broader peripheral
support remain unvalidated.

Signed-off-by: Juan Carlos Gutiérrez Lavado <jcarlosgl96@proton.me>
---
Changes in v2:
- Use the onspc vendor prefix and place its registry entry alphabetically.
- Include CPU OPPs for CPUfreq and CPU thermal cooling.
- Enable the AXP803 USB supply and link it to the USB PHY for VBUS detection.
- Keep ALDO2 (VCC-PL, 1.8 V) and ALDO3 (VCC-PLL/AVCC, 3.0 V) always on.
  These supplies are identified by the stock firmware and match the
  measured baseline settings. Earlier test boots stopped progressing
  without regulator_ignore_unused; the corrected DTB remains responsive.
- Link to v1: https://lore.kernel.org/all/20260906-b4-spc-glee-a64-v1-v1-0-621df2155e31@proton.me/

---
Juan Carlos Gutiérrez Lavado (2):
      dt-bindings: arm: sunxi: Add SPC Glee 10.1 A64
      arm64: dts: allwinner: Add SPC Glee 10.1 A64

 Documentation/devicetree/bindings/arm/sunxi.yaml   |   5 +
 .../devicetree/bindings/vendor-prefixes.yaml       |   2 +
 arch/arm64/boot/dts/allwinner/Makefile             |   1 +
 .../boot/dts/allwinner/sun50i-a64-spc-glee.dts     | 143 +++++++++++++++++++++
 4 files changed, 151 insertions(+)
---
base-commit: 913f7eda9f3e3fb1c67285e144e202494d440049
change-id: 20260906-b4-spc-glee-a64-v1-6e6dba38aa5e

Best regards,
--  
Juan Carlos Gutiérrez Lavado <jcarlosgl96@proton.me>