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

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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

---
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

-- 
2.7.4




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