Xiaomi Mi Pad (xiaomi-mocha)
 Xiaomi Mi Pad | |
| Manufacturer | Xiaomi |
|---|---|
| Name | Mi Pad |
| Codename | xiaomi-mocha |
| Released | 2014 |
| Type | tablet |
| Hardware | |
| Chipset | Nvidia Tegra K1 (T124) |
| CPU | 4x 2.2 GHz Cortex-A15 |
| GPU | Nvidia GK20A (192-core Kepler) |
| Display | 1536 x 2048 LCD IPS |
| Storage | 16 GB / 64 GB |
| Memory | 2 GB |
| Architecture | armv7 |
| Software | |
| Original software | Android |
| Original version | 4.4.4 |
| postmarketOS | |
| Category | testing |
| Pre-built images | no |
| Mainline | partial |
| Flashing | |
|---|---|
| USB Networking |
Broken |
| Internal storage | |
| SD card | |
| Battery | |
| Screen |
Works |
| Touchscreen |
Partial |
| Multimedia | |
| 3D Acceleration | |
| Audio | |
| Camera | |
| Camera Flash | |
| IR TX | |
| Connectivity | |
| WiFi | |
| Bluetooth | |
| GPS | |
| Miscellaneous | |
| FDE | |
| USB OTG | |
| HDMI/DP | |
| Sensors | |
| Accelerometer | |
| Magnetometer | |
| Ambient Light | |
| Proximity | |
| Hall Effect | |
| Haptics | |
| Barometer | |
| Power Sensor | |
| This device is based on the Tegra K1. See the SoC page for common tips, guides and troubleshooting steps |
Contributors
- CEllenvia
Users owning this device
- CEllenvia (Notes: 16Giga, Atmel touchpad)
- IonAgorria (Notes: Stock - OK)
How to enter flash mode
Hold Power + Volume Down until "FASTBOOT" shows on screen
Installation
Attention: IF YOU ARE ON ANY NON-STOCK ROM(BootBlobs), Flash to original first.
It is recommended to install from recovery mode, which can write pmos to system partition.
Following is the old bsp kernel installation.
$ pmbootstrap initfs hook_add debug-shell
$ pmbootstrap install
$ pmbootstrap flasher flash_rootfs --partition userdata # Flashing to the system partition fails with (remote: '(InvalidSize)'), May cause by 2 system partition.
$ pmbootstrap flasher flash_kernel
Progress
Now turn to FOSS Boot-loader porting, since the Linux kernel refused to boot w/o firmware built-in.
Mainline Status
This device comes with a interesting boot package method, which dt.img isn't QCDT style at all. Instead, it just use dtb file as dt.img. So for packaging, i need some workaround to make qcdt happy.
PSCI(4 core enable) is possible by using TOS-For-PSCI 0.2, but this makes the wlan unusable on 5.4 fork.
| Function | Hardware | Status | Info |
|---|---|---|---|
| Boot | - | P | Boot with exists 5.4 fork, working on mainline. |
| Display | Sharp LQ079L1SX01 | Y | - |
| Touchscreen | Atmel mXT1664T2-C2U/Synaptics 7040(?) | P | There are two kinds of touchscreen, which for my device is mXT1664T2-C2U. |
| Onscreen RGB LED | Texas Instruments(National Semiconductor) LP5521 | Y | Need to add to DTS Documentation/leds/leds-lp5521 |
| Backlight LED | Texas Instruments LP8556 | Y | - |
| Charger IC | Texas Instruments BQ24192 | Y | Need to add to DTS power/supply/bq24190 |
| Battery Management | Texas Instruments BQ27520-G4 | Y | Need to add to DTS power/supply/bq27xxx |
| Power Management & NTP etc. (palmas) | Texas Instruments TPS65913 | Y | Need to add to DTS regulator/palmas-pmic.txt regulator/palmas-pmic.txt |
| Wi-Fi, BT & FM | Cypress(Broadcom) CYW4354XKUBG | - | net/wireless/brcm,bcm4329-fmac |
| SDCard | Onsemi CM1624 | - | - |
| GPU | NVIDIA GK20A | P | Known issues |
| Audio | NXP TFA9890 | - | Documentation/devicetree/bindings/sound/nxp,tfa989x |
| Camera | Sony IMX179 & Omni OV5696 | - |
See also
The Kernel Xiaomi Official released: [1]
pmaports!3735 Initial merge request