[v2 00/10] arm/arm64: mediatek: Fix mmsys device probing
Matthias Brugger
matthias.bgg at gmail.com
Tue Apr 24 02:46:13 PDT 2018
Hi Lee,
On 04/24/2018 07:48 AM, Lee Jones wrote:
> On Mon, 23 Apr 2018, matthias.bgg at kernel.org wrote:
>
>> From: Matthias Brugger <mbrugger at suse.com>
>>
>> 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
>>
>
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