Re: [PATCH v9 0/6] ARM: STM32: add art-pi(stm32h750xbh6) board support

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Hi Dillon

On 3/31/21 10:28 AM, dillon.minfei@xxxxxxxxx wrote:
From: dillon min <dillon.minfei@xxxxxxxxx>

This patchset intend to add art-pi board support, this board developed
by rt-thread(https://www.rt-thread.org/).

Board resources:
8MiB QSPI flash
16MiB SPI flash
32MiB SDRAM
AP6212 wifi,bt,fm comb

sw context:
- as stm32h750 just has 128k bytes internal flash, so running a fw on
   internal flash to download u-boot/kernel to qspi flash, boot
   u-boot/kernel from qspi flash. this fw is based on rt-thread.
- kernel can be xip on qspi flash or load to sdram
- root filesystem is jffs2(created by buildroot), stored on spi flash

to support the boad, add following changes.
- fix r0-r3, r12 register restore failed after svc call,
- add dts binding
- update yaml doc


Thanks for adding this new STM32 MCU board. Series applied on stm32-next. As discussed I made some changes applying the series.

Regards
Alex



---
changes in v9:
- move gpio{a..k} entries from stm32h7-pinctrl.dtsi to stm32h743.dtsi
v8 link:
https://lore.kernel.org/lkml/1617094704-10040-1-git-send-email-dillon.minfei@xxxxxxxxx/

changes in v8:
- drop '[PATCH v7 3/6] ARM: dts: stm32: introduce stm32h7-pinctrl.dtsi to
   support stm32h750' - stm32h743-pinctrl.dtsi file
- move compatible string "st,stm32h743-pinctrl" from stm32h7-pinctrl.dtsi
   to stm32h743.dtsi
- update stm32h743i-{dico/eval}.dtsi to include stm32h7-pinctrl.dtsi
- move file stm32h743.dtsi submit position to [PATCH V8 3/6]
v7 link:
https://lore.kernel.org/lkml/1617071338-9436-1-git-send-email-dillon.minfei@xxxxxxxxx/

changes in v7:
- remove changes in
   Documentation/devicetree/bindings/pinctrl/st,stm32-pinctrl.yaml
   Hi Rob Herring
   as you has already ack this patch, please ignore it. thanks
   history link:
   https://lore.kernel.org/lkml/1614758717-18223-4-git-send-email-dillon.minfei@xxxxxxxxx/
   https://lore.kernel.org/lkml/20210308195033.GA2855292@xxxxxxxxxxxxxxxxxx/
- remove "[PATCH v6 8/9] pinctrl: stm32: Add STM32H750 MCU pinctrl support"
   remove "[PATCH v6 5/9] ARM: dts: stm32: add stm32h750-pinctrl.dtsi"
- reference to stm32h743-pinctrl.dtsi in stm32h750i-art-pi.dts
v6 link:
https://lore.kernel.org/lkml/1616757302-7889-1-git-send-email-dillon.minfei@xxxxxxxxx/

changes in v6:
- add gpiox{gpio-ranges, ngpios} in stm32h7-pinctrl.dtsi
- add status="disabled" in stm32h743.dtsi

changes in v5:
- accroding to rob's suggestion, replace false with 'type: object'
   of 'additionalProperties'.
- add Tested-by: Valentin Caron <valentin.caron@xxxxxxxxxxx>

changes in v4:
- use unevaluatedProperties: false to fix dtbs_check warrnings instead of
   add 'bluetooth' in st,stm32-uart.yaml

changes in v3:
- fix dtbs_check warrning: (8002cbd78fd5 and 4bc21d3dd678)
   >> arch/arm/boot/dts/stm32h743i-eval.dt.yaml: soc: pin-controller:
      {'type': 'object'} is not allowed for {'#address-cells': [[1]], '#size-cells':
      [[1]], 'ranges': [[0,

   >> arch/arm/boot/dts/stm32h743i-eval.dt.yaml: soc: 'i2c@40005C00',
      'i2c@58001C00' do not match any of the regexes: '@(0|[1-9a-f][0-9a-f]*)$',
      '^[^@]+$', 'pinctrl-[0-9]+'
   >> arch/arm/boot/dts/stm32h750i-art-pi.dt.yaml: serial@40004800:
      'bluetooth' does not match any of the regexes: 'pinctrl-[0-9]+'

changes in v2:
- reorganize the pinctrl device tree about
   stm32h7-pinctrl/stm32h743/750-pinctrl
   stm32h7-pinctrl.dtsi --> stm32h743-pinctrl.dtsi --> stm32h743i-disco.dts
                          |                          |-> stm32h743i-eval.dts
                          |-> stm32h750-pinctrl.dtsi --> stm32h750i-art-pi.dts
   same to the stm32f7/f4's pinctrl style
- fix author name/copyright mistake
- add compatible string st,stm32h750-pinctrl to pinctl-stm32h743.c as they
   have same pin alternate functions, update Kconfig description
- make item in stm32h750i-art-pi.dts sort by letter

*** BLURB HERE ***

dillon min (6):
   Documentation: arm: stm32: Add stm32h750 value line doc
   dt-bindings: arm: stm32: Add compatible strings for ART-PI board
   ARM: dts: stm32: introduce stm32h7-pinctrl.dtsi to support stm32h750
   ARM: dts: stm32: add support for art-pi board based on stm32h750xbh6
   ARM: stm32: Add a new SOC - STM32H750
   dt-bindings: serial: stm32: Use 'type: object' instead of false for
     'additionalProperties'

  Documentation/arm/index.rst                        |   1 +
  Documentation/arm/stm32/stm32h750-overview.rst     |  34 +++
  .../devicetree/bindings/arm/stm32/stm32.yaml       |   4 +
  .../devicetree/bindings/serial/st,stm32-uart.yaml  |   3 +-
  arch/arm/boot/dts/Makefile                         |   1 +
  arch/arm/boot/dts/stm32h7-pinctrl.dtsi             | 275 ++++++++++++++++++
  arch/arm/boot/dts/stm32h743-pinctrl.dtsi           | 306 ---------------------
  arch/arm/boot/dts/stm32h743.dtsi                   | 176 +++++++++++-
  arch/arm/boot/dts/stm32h743i-disco.dts             |   2 +-
  arch/arm/boot/dts/stm32h743i-eval.dts              |   2 +-
  arch/arm/boot/dts/stm32h750.dtsi                   |   6 +
  arch/arm/boot/dts/stm32h750i-art-pi.dts            | 229 +++++++++++++++
  arch/arm/mach-stm32/board-dt.c                     |   1 +
  13 files changed, 729 insertions(+), 311 deletions(-)
  create mode 100644 Documentation/arm/stm32/stm32h750-overview.rst
  create mode 100644 arch/arm/boot/dts/stm32h7-pinctrl.dtsi
  delete mode 100644 arch/arm/boot/dts/stm32h743-pinctrl.dtsi
  create mode 100644 arch/arm/boot/dts/stm32h750.dtsi
  create mode 100644 arch/arm/boot/dts/stm32h750i-art-pi.dts




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