linux-uconsole-rpi4

Manjaro ARM kernel package for ClockworkPi uConsole with CM4 module.

Structure

├── .github/workflows/build.yaml    # CI build workflow
├── PKGBUILDs/
│   ├── linux-clockworkpi-uc4/      # Kernel 6.6 + patches
│   ├── uconsole-4g-cm4/            # 4G module toggle utility
│   └── uconsole-cm4-post-install/  # Post-install config
└── devices/
    └── uconsole-cm4                # Device profile

Kernel Patches

#	Patch	Description
1	OCP8178 backlight	1-wire backlight driver for LCD
2	CWU50 DRM panel	JD9365D 720×1280 MIPI DSI panel driver
3	Simple amplifier switch	GPIO-controlled headphone amplifier
4	uConsole DTS overlay	Device tree overlay (PMU, backlight, panel, battery)
5	AXP22x PMU customize	IPSOUT current limit, charge LED config
6	AXP22x battery calibration	Fuel gauge, sysfs calibration interface
7	CWU50 DSI error status	Expose DSI error via sysfs

Build

cd PKGBUILDs/linux-clockworkpi-uc4
makepkg -s

On x86_64 hosts, the PKGBUILD auto-enables cross-compilation (aarch64-linux-gnu-gcc required).

Hardware

• Board: ClockworkPi uConsole (CM4 variant)
• SoC: BCM2711 (Raspberry Pi CM4)
• Display: 5" 720×1280 MIPI DSI (JD9365D)
• PMU: AXP228 (I2C GPIO bit-bang)
• Backlight: OCP8178 (1-wire GPIO)
• Battery: 8000mAh