Upstream status

Name	Share code with OD 2014.08?	Upstream?	Notes
IRQ controller	No (new driver)	Incomplete	Waiting for other cleanups
CGU Clocks	Yes	Yes
TCU IRQ controller	No (new driver)	Planned for 4.21
TCU Clocks	No (new driver)	Planned for 4.21
TCU Timers	No (new driver)	Planned for 4.21
OS Timer	Yes	Planned for 4.21
PWM driver	Yes	Incomplete	Improvements planned for 4.21
Watchdog driver	Yes	Incomplete	Improvements planned for 4.21
RTC driver	Yes	Yes
Pinctrl/GPIO driver	No (new driver)	Yes
UART driver	Yes	Yes
MMC driver	No (switch to upstream driver)	Incomplete	Planned for 4.21
DMA driver	No (switch to upstream driver)	Yes
Audio I2S driver	No (switch to upstream driver)	Yes
Audio codec driver	Yes	No
Audio board driver	Yes	No
ADC driver	No (switch to upstream driver)	No
Battery driver	Yes	No
Joystick driver	Yes	No
G-sensor	Yes	Not upstreamable	Must rewrite the driver to use IIO + IIO to input gateway
I2C driver	No driver (uses GPIO)	Yes	A dedicated driver would be better, TODO
SPI driver	No driver (uses GPIO)	Yes	A dedicated driver would be better, TODO
GPU driver	Yes	Not upstreamable	Must switch to upstream etnaviv, requires KMS driver
Video driver	Yes	Not upstreamable	Must be rewritten for KMS
LCD panel driver	Yes	Not upstreamable	Must be rewritten for KMS
Backlight control	No driver (uses PWM)	Yes
TV encoder			Not working
HDMI output			Not working
FM Radio	Yes	No	TODO
Rumble	No (switch to upstream driver)	Yes
USB internal bus	Yes	Yes
USB On-The-Go	Yes	No	Working with issues
Wi-Fi driver	Yes	No	Different drivers upstream, to be tested
VPU driver	Yes	not upstreamable	Must be rewritten for remoteproc
Video decoder driver			Not working
JZ4770 platform support	No (switch to devicetree)	Yes
Basic GCW Zero support	No (switch to devicetree)	Yes