RPi Upstreaming

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Revision as of 14:24, 16 December 2015 by Anholt (talk | contribs) (major status update, add 2836 link.)
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MOVED: Building an Upstream Kernel for Raspberry Pi

Please see RPi_Upstream_Kernel_Compilation instead.


You can find us in #raspberrypi-kernel @ Freenode IRC.


BCM2835 ARM Peripherals Reference Manual [PDF]

BCM2836 New ARM-local control registers [PDF]]

VideoCore Mailbox Interface


Component Status Assigned To Comments Meta Comments
RPi2 In progress anholt
GPU (DRM) KMS in 4.4 (not the DT yet), 3D queued for 4.5. anholt Current trees: bootable 3D for 2835, downstream-targeted 2708/2709. Instructions.
clocks-aux in review anholt Supports setting SPI1, SPI2, UART1 clocks
SPI1/2 driver queued for 4.4, waiting on clocks-aux for DT to land. msperl
UART1 needs review feedback handling msperl
one-shot DMA in review notro
thermal in review lkundrak Current implementation RPi-only
cpufreq in review lkundrak Current implementation RPi-only
Power in review anholt Current implementation RPi-only, requires current firmware for full functionality
Audio Depends on DMA and/or Mailbox (codec/digi/dac) Which one(s)
VCHIQ lkundrak Depends on mailbox. Requires big clean-up. Staging candidate? Does this depend on DMA?
Sound lkundrak I2S is already in. Depends on VCHIQ Does this depend on DMA?
MMC Semi-Upstreamed pietrushnic drivers/mmc/host/sdhci-bcm2835.c - lacking DMA Depends on DMA slave_sg transfer mode
Video decode
Framebuffer Deprecated, use KMS instead Depends on Mailbox
mailbox Upstream (4.4) anholt Mailbox driver landed in 4.3, 4.4 will have firmware interfaces built on it
clocks-audio Upstreamed (4.4) anholt Native support for setting most clocks on the system.
Clock Source Upstreamed drivers/clocksource/bcm2835_timer.c
DMA Upstreamed drivers/dma/bcm2835-dma.c - less FIQ sup't
I2C Upstreamed drivers/i2c/busses/i2c-bcm2835.c
IRQ Upstreamed drivers/irqchip/irq-bcm2835.c
I2S (Audio) Upstreamed sound/soc/bcm/bcm2835-i2s.c
Pinctrl Upstreamed drivers/pinctrl/pinctrl-bcm2835.c
Random NG Upstreamed drivers/char/hw_random/bcm2835-rng.c
SPI Upstreamed drivers/spi/spi-bcm2835.c
Watchdog Upstreamed drivers/watchdog/bcm2835_wdt.c
LEDs Upstreamed matthiasklein arch/arm/boot/dts/bcm2835-* Device Tree for B+
Serial Pre-Upstreamed drivers/tty/serial/amba-pl011.c