Kernel-upstream-status
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| Function status | Meaning |
| UPSTREAM (x.x) | Device is supported by upstream/mainline/vanilla kernel since x.x version |
| BSP | Device is supported thanks to some Armadeus patches that are not yet mainlined |
| NOT SUPPORTED | Device is not supported |
| NA | Device is not available on this board |
Main boards
| Device/Feature | APF27 | APF51 | APF28 | Comment |
| Core cpu | UPSTREAM | UPSTREAM | UPSTREAM (3.4+) | |
| UART | UPSTREAM | UPSTREAM | UPSTREAM (3.4+) | |
| NAND flash | UPSTREAM | UPSTREAM | UPSTREAM (3.4+) | |
| Network | UPSTREAM | UPSTREAM | UPSTREAM (3.4+) | |
| Power management | TBD | TBD | TBD | |
| USB | BSP | BSP | BSP | trabucayre is working on it |
| I2C | UPSTREAM | UPSTREAM | UPSTREAM | |
| I2C EEPROM | UPSTREAM | NA | NA | |
| Sahara | UPSTREAM (3.11) | UPSTREAM (3.11) | UPSTREAM (3.11) | |
| MPEG/VPU | UPSTREAM | TBD | TBD | |
| Watchdog | UPSTREAM | UPSTREAM | TBD | |
| GPIO | UPSTREAM | UPSTREAM | UPSTREAM | |
| FPGA | BSP | TBD | NA |
Dev boards
| Device/Feature | APF27DEV | APF51DEV | APF28DEV | Comment |
| RTC | UPSTREAM | TBD | UPSTREAM | |
| SPI | UPSTREAM | UPSTREAM | UPSTREAM | |
| MMC/SD | BSP | UPSTREAM | UPSTREAM | APF27: warning at microSD removal: mxc-mmc 10014000.sdhci: could not set regulator OCR (-22) |
| ADC (max1027) | UPSTREAM (3.16) | TBD | NA | (partial) driver upstreamed by Trem since 3.16 |
| DAC (max5821) | UPSTREAM (3.16) | TBD | NA | driver upstreamed by Trem since 3.16 |
| CAN | TBD | TBD | TBD | |
| PWM | UPSTREAM (3.15) | UPSTREAM | UPSTREAM | APF51 PWM pin is shared between "PWM" and "button/LED". |
| Framebuffer | UPSTREAM | UPSTREAM | UPSTREAM | |
| LCD | UPSTREAM | UPSTREAM + BSP fix | UPSTREAM | |
| Backlight | BSP | TBD | UPSTREAM | |
| Touchscreen | BSP | TBD | UPSTREAM | |
| HDMI | TBD | TBD | NA | |
| SSI/Audio | TBD | TBD | NA | |
| CSI (CMOS Sensor Interface) | BSP | TBD | NA | |
| LED | UPSTREAM | UPSTREAM | UPSTREAM |
