Maintained by Hansem Ro (hansemro@outlook.com).
This repo contains documentation for bringing up mainline Linux on First Generation Kindle Fire tablet (also known as Otter or KC1).
With some patches to mainline kernel, the device can boot into userspace with several devices working.
| Hardware | Status | Comments |
|---|---|---|
| CPU | Works | TI OMAP4430 GP |
| Remote Processor | ✗ | Ducati Sub System; Dual Core Cortex-M3; DSP; IPU |
| GPU | ✗ | PowerVR SGX540 |
| LPDDR2 | Works | 512MB |
| eMMC | Works | 8GB; currently mapped to /dev/mmcblk0 |
| UART | Works | UART3 = /dev/ttyO2 |
| DSS/Framebuffer | Works | omapdrm successfully registers framebuffer |
| LCD Panel | Works | [MIPI DPI] 1024x600 32 bits/pixel |
| LCD Backlight | Works | GPTimer10 PWM driven |
| Touchscreen | Works | [i2c] Ilitek 2107; requires additional kernel patches |
| PMIC | Partial | TI TWL6030 |
| Green LED | Works | TWL6030 PWM led |
| Orange LED | Works | TWL6030 PWM led |
| Power Button | Works | TI TWL6030 |
| RTC | Works | TI TWL6030 |
| Battery | Works | 3V3 4400mAh Li-Ion Battery |
| Fuel Gauge | Works | [i2c] TI BQ27541 |
| Charger Controller | Works | [i2c] Sumit SMB347 |
| USB Gadget/OTG | Works | CDC/ACM gadget works; OTG works |
| WLAN | Works | [MMC/SDIO] TI WL1271 |
| Accelerometer | Works | [i2c] Bosch BMA250 |
| Audio | ✗ | TI TWL6040 |
| Audio Codec | ✗ | [i2c] TI AIC3110 |
| Temperature Sensor | Works | [i2c] National Semiconductor/TI LM75 ~ TI TMP105 |
| Light Sensor | ✗ | [i2c] Sensortek STK22x7 |
| SmartReflex | ✗ | dmesg reports errors |
Clone this repo and checkout a branch that matches Linux kernel version.