+ Arnd, Olof On Monday 31 October 2016 08:15 PM, Bartosz Golaszewski wrote: > This series adds two new drivers in order to better support the LCDC > rev1 present on the da850 boards. > > The first patch adds a new memory driver which allows to write to the > DDR2/mDDR memory controller present on the da8xx SoCs. > > The second patch adds a new bus driver which allows to interact with > the MSTPRI registers of the SYSCFG0 module I think patches 1/5 and 2/5 are ready to be merged. If there are no objections I would like to send a pull request for them to be merged through ARM-SoC tree for v4.10 kernel. Thanks, Sekhar > > As is mentioned in the comments: we don't want to commit to supporting > stable interfaces (DT bindings or sysfs attributes) so we hardcode the > settings required by some boards (for now only da850-lcdk) with the > hope that linux gets an appropriate framework for performance knobs > in the future. > > Potential extensions of these drivers should be straightforward in the > future. > > Subsequent patches add DT nodes for the new drivers: disabled nodes > in da850.dtsi and enabled in da850-lcdk.dts. > > The last patch adds a workaround for current lack of support for drm > bridges in tilcdc. > > Tested on a da850-lcdk with a display connected over VGA and two > additional patches for tilcdc (sent to linux-drm): ran simple modetest > for supported resolutions, used X.org and fluxbox as graphical > environment, played video with mplayer. > > v1 -> v2: > - used regular readl()/writel() instead of __raw_** versions > - used resource_size() instead of calculating the size by hand > - used ioremap instead of syscon in patch [2/5] > - added the DT nodes in patches [3/5]-[5/5] > > Bartosz Golaszewski (5): > ARM: memory: da8xx-ddrctl: new driver > ARM: bus: da8xx-mstpri: new driver > ARM: dts: da850: add the mstpri and ddrctl nodes > ARM: dts: da850-lcdk: enable mstpri and ddrctl nodes > ARM: dts: da850-lcdk: add tilcdc panel node > > .../devicetree/bindings/bus/ti,da850-mstpri.txt | 20 ++ > .../memory-controllers/ti-da8xx-ddrctl.txt | 20 ++ > arch/arm/boot/dts/da850-lcdk.dts | 71 ++++++ > arch/arm/boot/dts/da850.dtsi | 11 + > drivers/bus/Kconfig | 9 + > drivers/bus/Makefile | 2 + > drivers/bus/da8xx-mstpri.c | 269 +++++++++++++++++++++ > drivers/memory/Kconfig | 8 + > drivers/memory/Makefile | 1 + > drivers/memory/da8xx-ddrctl.c | 175 ++++++++++++++ > 10 files changed, 586 insertions(+) > create mode 100644 Documentation/devicetree/bindings/bus/ti,da850-mstpri.txt > create mode 100644 Documentation/devicetree/bindings/memory-controllers/ti-da8xx-ddrctl.txt > create mode 100644 drivers/bus/da8xx-mstpri.c > create mode 100644 drivers/memory/da8xx-ddrctl.c > _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel
