Linux Kernel v4.16 released, our contributions

Linux Kernel v4.16 released

BayLibre has continued our contribution to the Linux community as seen with this new version of Linux Kernel v4.16, released on April, 1st 2018.  An excellent summary of this release can be found at KernelNewbies.

Here is a summary of our contributions, organized by SoC family and a summary graph of contributions by developer.

Amlogic SoC family:

This release is important since it’s the first Linux release that can boot an Amlogic SoC with graphics with u-boot mainline, both unchanged !

  • Finally enable the Video Processing Unit power domain and all the missing bit :
    • drm/meson: Add missing VPU init
    • drm/meson: dw_hdmi: Add support for an optional external 5V regulator
    • ARM64: dts: odroid-c2: Add HDMI and CEC Nodes
    • ARM64: dts: meson-gx: grow reset controller memory zone
    • ARM64: dts: meson-gx: Add HDMI_5V regulator on selected boards
    • ARM64: dts: meson-gx: add VPU power domain
    • dt-bindings: display: amlogic, meson-dw-hdmi: Add optional HDMI 5V regulator
    • dt-bindings: display: amlogic, meson-vpu: Add optional power domain property
    • This means you can download Linux v4.16 and U-Boot v2018.01, build them, flash them and you will be able to boot to graphics with HDMI on most Amlogic S905, S905X and S912 supported boards !
  • drm/meson: fix vsync buffer update : fix a long-time issue causing glitches when rendering directly using GBM
  • Jerome improved the Meson S905X/S905D/S912 internal ethernet PHY support by :
    • net: phy: meson-gxl: add interrupt support
    • net: phy: meson-gxl: use genphy_config_init
    • net: phy: meson-gxl: add read and write helpers for banked registers
    • net: phy: meson-gxl: define control registers
    • net: phy: meson-gxl: check phy_write return value
    • ARM64: dts: meson-gxl: add internal ethernet PHY irq
  • Jerome added the “clock protection” feature to the clock framework

Misc:

  • Add support for the the Variscite DART-MX6 SoM and Carrier board with LVDS display
  • media: uvcvideo: Add a quirk for Generalplus Technology Inc. 808 Camera
  • ARM: davinci: fix the GPIO lookup for omapl138-hawk
  • i2c: davinci: fix the cpufreq transition
  • Corentin did some cleanup in the crypto directory and some overall remove of unused code/documentation

 

 

Linux Kernel v4.15 released, our contributions

Linux Kernel v4.15 released

BayLibre has continued our contribution to the Linux community as seen with this new version of Linux Kernel v4.15, released on January, 28th 2018.  An excellent summary of this release can be found at KernelNewbies.

Here is a summary of our contributions, organized by SoC family and a summary graph of contributions by developer.

Amlogic SoC family:

  • Finally GPIO IRQ Support for Amlogic SoCs
  • Pinctrl cleanup for AXG future support
  • Meson GXL/GXM Internal PHY fixup for reliability
  • Support for new boards :
    • Vega S96
    • Khadas VIM2
  • Driver support for the Video Processing Unit Power Domain for mainline U-Boot support
  • Level Reset support for GX Family

Misc:

  • Support for the Winbond w25q16dw present on the Khadas VIM2
  • usb: musb: da8xx: Remove duplicated defines

 

 

U-Boot v2018.01 released, our contributions

BayLibre has continued contribution to the open-source community as seen with this new version of U-Boot v2018.01, released on 9 Jan 2018.

Here is a summary of our contributions:

Amlogic SoC family:

Add support for the Meson GXL Family by :

  • Adding pinctrl support, based on excellent work of Beniamino Galvani
  • Adding Internal PHY Support + fixups for reliability
  • Add support for dynamic reserved memory
  • Adding support for S905X Based boards :
    • P212 reference board
    • Khadas VIM
    • LibreTech-CC
  • Neil Armstrong becomes maintainer of these freshly added boards

This version of U-Boot for Amlogic GXL SoCs will need to wait for Linux 4.16 to be released, or is compatible with the LibreTech-cc 4.14 stable linux tree for the LibreTech-CC board.

Khadas has released an image with this version of U-Boot and Linux Mainline for the Khadas VIM board here.

Misc :

  • fat: Use cache aligned buffers for fat_opendir

Linux Kernel v4.14 released, our contributions

Linux Kernel v4.14 released

BayLibre has continued our contribution to the Linux community as seen with this new version of Linux Kernel v4.14, released on Nov 12 2017.  An excellent summary of this release can be found at KernelNewbies.

Here is a summary of our contributions, organized by SoC family and a summary graph of contributions by developer.

Amlogic SoC family:

  • Add support for eMMC HS200 and SD SRD104 modes to GX MMC Controller
  • Fix GX MMC Controller clocking scheme
  • Add GPIO Lines names to the following Single Board Computers :
    • LibreTech-CC
    • Nanopi K2
    • Khadas VIM
  • Add support for the HDMI CEC Controller on Meson GX SoCs

TI DaVinci SoC family:

  • musb: musb_cppi41: Configure the number of channels for DA8xx

 

 

Linux Kernel v4.13 released, our contributions

Linux Kernel v4.13 released

BayLibre has continued our contribution to the Linux community as seen with this new version of Linux Kernel v4.13, released on Sept 3rd.

For this version we supplied:

  • multiple team members
  • many work hours
  • several cups of coffee
  • and a few pastries

An excellent summary of this release can be found at KernelNewbies.

Here is a summary of our contributions, organized by SoC family and a summary graph of contributions by developer.

Amlogic SoC family:

  • Add S905x based libretech-cc “Le Potato” board support (Succesfully backed on kickstarter)
  • Fix PWM for AO Domain
  • Add HDMI Nodes for more boards (p212, p230, Khadas VIM, Wetek Play2)
  • Support for the SPICC controller added
  • And missing GXL pinctrl pins

TI DaVinci SoC family:

  • da850: Enable CPPI 4.1 DMA to USB OTG controller
  • da850: vpif: adaptions for DT support

Various

  • Fix for Mediatek MMC driver

 

 

Linux v4.12 released, BayLibre contributions

We are happy to announce the Linux v4.12 release on July the 2nd.

Baylibre is pleased to have contributed with the Linux Kernel community to this new version.

An excellent summary of this release can be found at KernelNewbies.

Here is a summary of our contributions, organized by SoC family and a summary graph of contributions by developer.

Amlogic SoC family:

  • Clocks fixups and exports
  • GXL pinctrl fixups and more pins declarations
  • GXBB more pins declarations
  • Add MALI Node for GXBB and GXL
  • Add MALI Clocks support
  • Odroid-c2: Fix USB Hub and and GPIO pin labels
  • Add ADC Laddred buttons on P230 and Q200
  • Add support for HDMI Output on GXBB, GXL and GXM

 

TI DaVinci SoC family:

  • musb for da8xx
    • Add clock for CPPI 4.1 DMA engine
    • CPPI 4.1 DMA fixes
    • Detect aborted transfers
    • Add support of CPPI 4.1 DMA controller to DA8xx
  • Enable ohci for omapl138 lcdk
  • Add support for SATA on dm8168-evm
    • model the SATA refclk
    • add con_id for the SATA clock
    • add and enable the SATA node
    • davinci_all_defconfig: enable SATA modules
  • Fix da850 vpif display pinx
  • Fix davinci SPI DMA handling

Various

  • ASoC: add es7134 DAC driver and bindings
  • Enhancements to the DW-HDMI bridge driver

 

 

Linux v4.11 released, BayLibre contributions

The Linux v4.11 release was made on April 30th.

An excellent summary of this release can be found at KernelNewbies, and below is a summary of our contributions, organized by SoC family and a summary graph of contributions by developer.

Amlogic SoC family:

  • ADC laddered keys for P200 board
  • Export HDMI clocks
  • Add HDMI HPD/DDC pins functions

New boards:

  • Wetek Play (S905)
  • Wetek Hub (S905)

Linux v4.11 new release

TI DaVinci SoC family:

  • musb for da8xx
    • Manage CPPI 4.1 DMA interrupt in DSPS
    • Clean up
    • Detect aborted transfers
    • Fix host mode suspend
    • Add support of suspend / resume
    • Remove CPPI 3.0 quirk and methods
  • Enable ohci for omapl138 lcdk
  • Add support for SATA on da850-lcdk
    • model the SATA refclk
    • add con_id for the SATA clock
    • add and enable the SATA node
    • ahci-da850: un-hardcode the MPY bits
    • ahci-da850: add a workaround for controller instability
    • davinci_all_defconfig: enable SATA modules
    • ahci-da850: implement a workaround for the softreset quirk
    • ahci-da850: add device tree match table
  • Fix VGA output on da850-lcdk
    • add the vga-bridge node
    • add support for TI ths8135
  • Fix davinci: vpif_capture

 

3D Graphics on mainline Linux

During the ELC Showcase event, BayLibre showed, among other demos, Quake III Arena running fully accelerated on an Odroid-C2 powered by the Amlogic S905 SoC.

This particular demo was running the lastest Linux 4.10 release with some in-development patches for HDMI Support, Audio and Mali acceleration that will certainly go into the next Linux releases.

The AmLogic S905 embeds an ARM Mali-450 MP3 GPU running at 750MHz.

The technical showcase poster is available as PDF Version.

BayLibre Attended ELC 2017 in Portland

Last week, BayLibre team attended the Embedded Linux Conference North America 2017 edition in Portland, Oregon.

In this particular edition, Patrick, Fabien and Neil talked about Power Instrumentation, Zephyr and Amlogic Mainline Linux status.

If you missed the event, here are the slides :

 

Linux v4.10 released, BayLibre contributions

The v4.10 release of the Linux kernel was made on February 19th, and BayLibre has (again) made the list of top 20 active employers.

An excellent summary of this release can be found at KernelNewbies, and below is a summary of our contributions, organized by SoC family and a summary graph of contributions by developer.  A special shout-out this development cycle goes to Neil Armstrong for the significant contributions of new DRM/KMS support for Amlogic SoCs.

Amlogic SoC family:

  • DT support for GXL family (S905X, S905D)
  • DT support for GXM family (S912)
  • added SD / eMMC driver
  • SDIO WLAN
  • GPIO IRQ support
  • SCPI
  • CPU DVFS (using SCPI)
  • DRM/KMS: display support (composite)

New boards:

  • Amlogic S905D P230
  • Amlogic S905X P212
  • Nexbox A95 (S905)
  • Nexbox A1 (S912)

TI DaVinci SoC family:

  • VPIF video capture: updated for DT support
  • USB: OHCI: DT support
  • USB: MUSB: DT support, host and device
  • push-buttons: supported with GPIO keys
  • fixed PLL0 rate setting
  • PWM support
  • SATA support
  • PM: suspend/resume suport for DT-based platforms

OXNAS SoCs:

  • Add SMP support
  • Add support for OX820 and Pogoplug V3
  • net: add oxnas support to DWMAC
  • pinctrl: Add SX150X GPIO Extender

Sierra Wireless SoCs:

  • Add support for WP8548 based MangOH Green board
  • Add DT base for MDM9615 SoC