Hi Lee, On 04/24/2018 07:48 AM, Lee Jones wrote: > 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? > I had some problems with my mailclient. I'll resend as 'v2 resend'. Sorry for that. Matthias >> --- >> >> 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 >> > _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel