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SubjectRe: [PATCH v5 0/8] Enable ili9341 and l3gd20 on stm32f429-disco
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On 7/21/20 12:39 PM, dillon min wrote:
> Hi Alexandre,
>
> On Tue, Jul 21, 2020 at 5:19 PM Alexandre Torgue
> <alexandre.torgue@st.com> wrote:
>>
>> Hi Dillon
>>
>> On 5/25/20 5:40 AM, dillon.minfei@gmail.com wrote:
>>> From: dillon min <dillon.minfei@gmail.com>
>>>
>>> V5's update based on Mark Brown's suggestion, use 'SPI_MASTER_MUST_RX'
>>> for SPI_SIMPLEX_RX mode on stm32 spi controller.
>>>
>>> V5:
>>> 1 instead of add send dummy data out under SIMPLEX_RX mode,
>>> add flags 'SPI_CONTROLLER_MUST_TX' for stm32 spi driver
>>> 2 bypass 'SPI_CONTROLLER_MUST_TX' and 'SPI_CONTROLLER_MUST_RX' under
>>> 'SPI_3WIRE' mode
>>>
>>
>> Concerning DT patches, they look goods for me. However I'll merge them
>> when drivers parts will be merged.
>>
>> regards
>> Alex
> This patchset status is :
> dts:
> ARM: dts: stm32: Add dma config for spi5
> ARM: dts: stm32: Add pin map for ltdc & spi5 on stm32f429-disco board
> ARM: dts: stm32: enable ltdc binding with ili9341, gyro l3gd20 on
> stm32429-disco board
>
> panel-bindings: Reviewed-by: Rob Herring, need more reviewing to merge
> dt-bindings: display: panel: Add ilitek ili9341 panel bindings
>
> clk: Acked-by: Stephen Boyd , need more reviewing to merge
> clk: stm32: Fix stm32f429's ltdc driver hang in set clock rate,
> fix duplicated ltdc clock register to 'clk_core' case ltdc's clock
> turn off by clk_disable_unused()
>
> drm-panel: Reviewed-by: Linus Walleij . need more reviewing to merge
> drm/panel: Add ilitek ili9341 panel driver
>
> spi-driver: Acked-by: Mark Brown ,merged into mainline
> spi: stm32: Add 'SPI_SIMPLEX_RX', 'SPI_3WIRE_RX' support for stm32f4
> spi: flags 'SPI_CONTROLLER_MUST_RX' and 'SPI_CONTROLLER_MUST_TX' can't
> becoexit with 'SPI_3WIRE' mode
>
> For ili9341 drivers, it seems to need more time to review, or might be dropped.
> since the drm maintainer might create a new interface to support
> DPI,DBI,DSI in one driver.
> Currently it's under discussion. I will rework the ili9341 driver after that.
>
> But, we can use the existing "drivers/gpu/drm/tiny/ili9341.c" driver to support
> ili9341 on stm32f429-disco board only using the spi bus. except the
> display refresh performance is not as good as the ltdc interface.
>
> I can submit a new patch just with dts changed this week for it, if you need.
>


Thanks for this status. I'm close to send my PR for v5.9. There is no
needs to have an intermediate version (Except you absolutely want it).

Thanks
alex

> Thanks,
> Dillon.
>>
>>
>>
>>> V4:
>>> According to alexandre torgue's suggestion, combine ili9341 and
>>> l3gd20's modification on stm32f429-disco board to one patchset.
>>>
>>> Changes:
>>>
>>> ili9341:
>>>
>>> 1 update ili9341 panel driver according to Linus's suggestion
>>> 2 drop V1's No.5 patch, sumbit new changes for clk-stm32f4
>>> 3 merge l3gd20's change to this patchset
>>>
>>> V3:
>>> 1 merge original tiny/ili9341.c driver to panel/panel-ilitek-ili9341.c
>>> to support serial spi & parallel rgb interface in one driver.
>>> 2 update ilitek,ili9341.yaml dts binding documentation.
>>> 3 update stm32f429-disco dts binding
>>>
>>> V2:
>>> 1 verify ilitek,ili9341.yaml with make O=../linux-stm32
>>> dt_binding_check
>>> DT_SCHEMA_FILES=Documentation/devicetree/bindings/display/panel/
>>> ilitek,ili9341.yaml
>>>
>>> V1:
>>> 1 add ili9341 drm panel driver
>>> 2 add ltdc, spi5 controller for stm32f429-disco
>>> 3 add ltdc, spi5 pin map for stm32f429-disco
>>> 4 add docs about ili9341
>>> 5 fix ltdc driver loading hang in clk set rate bug
>>>
>>>
>>> L3gd20:
>>> V3:
>>> 1 merge stm32f429-disco dtbs binding with ili9341 part
>>>
>>> V2:
>>> 1 insert blank line at stm32f420-disco.dts line 143
>>> 2 add more description for l3gd20 in commit message
>>>
>>> V1:
>>> 1 enable spi5 controller on stm32f429-disco (dts)
>>> 2 add spi5 pinmap for stm32f429-disco (dts)
>>> 3 add SPI_SIMPLEX_RX, SPI_3WIRE_RX support for stm32f4
>>>
>>>
>>> dillon min (8):
>>> ARM: dts: stm32: Add dma config for spi5
>>> ARM: dts: stm32: Add pin map for ltdc & spi5 on stm32f429-disco board
>>> ARM: dts: stm32: enable ltdc binding with ili9341, gyro l3gd20 on
>>> stm32429-disco board
>>> dt-bindings: display: panel: Add ilitek ili9341 panel bindings
>>> clk: stm32: Fix stm32f429's ltdc driver hang in set clock rate,
>>> fix duplicated ltdc clock register to 'clk_core' case ltdc's clock
>>> turn off by clk_disable_unused()
>>> drm/panel: Add ilitek ili9341 panel driver
>>> spi: stm32: Add 'SPI_SIMPLEX_RX', 'SPI_3WIRE_RX' support for stm32f4
>>> spi: flags 'SPI_CONTROLLER_MUST_RX' and 'SPI_CONTROLLER_MUST_TX' can't
>>> be coexit with 'SPI_3WIRE' mode
>>>
>>> .../bindings/display/panel/ilitek,ili9341.yaml | 69 ++
>>> arch/arm/boot/dts/stm32f4-pinctrl.dtsi | 67 +
>>> arch/arm/boot/dts/stm32f429-disco.dts | 48 +
>>> arch/arm/boot/dts/stm32f429.dtsi | 3 +
>>> drivers/clk/clk-stm32f4.c | 7 +-
>>> drivers/gpu/drm/panel/Kconfig | 12 +
>>> drivers/gpu/drm/panel/Makefile | 1 +
>>> drivers/gpu/drm/panel/panel-ilitek-ili9341.c | 1301 ++++++++++++++++++++
>>> drivers/spi/spi-stm32.c | 19 +-
>>> drivers/spi/spi.c | 3 +-
>>> 10 files changed, 1521 insertions(+), 9 deletions(-)
>>> create mode 100644 Documentation/devicetree/bindings/display/panel/ilitek,ili9341.yaml
>>> create mode 100644 drivers/gpu/drm/panel/panel-ilitek-ili9341.c
>>>

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