linux-kernel - Re: [PATCH v5 0/8] Enable ili9341 and l3gd20 on stm32f429-disco

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Date:   Tue, 21 Jul 2020 11:19:47 +0200
From:   Alexandre Torgue <alexandre.torgue@...com>
To:     <dillon.minfei@...il.com>, <robh+dt@...nel.org>,
        <p.zabel@...gutronix.de>, <mcoquelin.stm32@...il.com>,
        <thierry.reding@...il.com>, <sam@...nborg.org>, <airlied@...ux.ie>,
        <daniel@...ll.ch>, <mturquette@...libre.com>, <sboyd@...nel.org>
CC:     <devicetree@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>, <linux-spi@...r.kernel.org>,
        <linux-stm32@...md-mailman.stormreply.com>,
        <dri-devel@...ts.freedesktop.org>, <linux-clk@...r.kernel.org>
Subject: Re: [PATCH v5 0/8] Enable ili9341 and l3gd20 on stm32f429-disco

Hi Dillon

On 5/25/20 5:40 AM, dillon.minfei@...il.com wrote:
> From: dillon min <dillon.minfei@...il.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



> 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
>