On Mon, 23 Apr 2018, matthias.bgg@xxxxxxxxxx wrote: > From: Matthias Brugger <mbrugger@xxxxxxxx> > > Changes since v1: > - add binding documentation > - ddp: use regmap_update_bits > - ddp: ignore EPROBE_DEFER on clock probing > - mfd: delete mmsys_private > - add Reviewed-by and Acked-by tags I'm confused by the double submission. Please can you send it again completely detached from the first and the second submissions please? > --- > > MMSYS in Mediatek SoCs has some registers to control clock gates (which is > used in the clk driver) and some registers to set the routing and enable > the differnet blocks of the display subsystem. > > Up to now both drivers, clock and drm are probed with the same device tree > compatible. But only the first driver get probed, which in effect breaks > graphics on mt8173 and mt2701. > > This patch set introduces a new mfd device, which binds against the mmsys > compatible and takes care of probing the needed devices. It was tested on the > bananapi-r2 and the Acer R13 Chromebook. > > > Matthias Brugger (10): > dt-bindings: mediatek: mmsys: Add support for mfd > drm/mediatek: Use regmap for register access > mfd: mtk-mmsys: Add mmsys driver > drm/mediatek: mt2701: switch to mfd probing. > clk: mediatek: mt2701-mm: switch to mfd device > mfd: mtk-mmsys: Add mt8173 nodes > drm/mediatek: Add mfd support for mt8173 > clk: mediatek: mt8173-mm: switch to mfd device > drm: mediatek: Omit warning on probe defers > MAINTAINERS: update Mediatek Soc entry > > .../bindings/arm/mediatek/mediatek,mmsys.txt | 2 - > .../bindings/display/mediatek/mediatek,disp.txt | 2 +- > .../devicetree/bindings/mfd/mediatek,mmsys.txt | 27 +++++++ > MAINTAINERS | 2 + > drivers/clk/mediatek/clk-mt2701-mm.c | 10 +-- > drivers/clk/mediatek/clk-mt8173.c | 17 +++- > drivers/gpu/drm/mediatek/mtk_drm_crtc.c | 4 +- > drivers/gpu/drm/mediatek/mtk_drm_ddp.c | 41 ++++------ > drivers/gpu/drm/mediatek/mtk_drm_ddp.h | 4 +- > drivers/gpu/drm/mediatek/mtk_drm_drv.c | 33 ++++---- > drivers/gpu/drm/mediatek/mtk_drm_drv.h | 2 +- > drivers/mfd/Kconfig | 9 +++ > drivers/mfd/Makefile | 2 + > drivers/mfd/mtk-mmsys.c | 93 ++++++++++++++++++++++ > 14 files changed, 189 insertions(+), 59 deletions(-) > create mode 100644 Documentation/devicetree/bindings/mfd/mediatek,mmsys.txt > create mode 100644 drivers/mfd/mtk-mmsys.c > -- Lee Jones [李琼斯] Linaro Services Technical Lead Linaro.org │ Open source software for ARM SoCs Follow Linaro: Facebook | Twitter | Blog _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel
