[PATCH 0/8] ARM: STM32: add art-pi(stm32h750xbh6) board support

[dillon min]

for the device tree part , still waiting review. just a gentle ping.
if Mr Alexandre torgue can take a look, would be great.

thanks,

On Wed, Mar 3, 2021 at 4:05 PM <dillon.minfei at gmail.com> wrote:
>
> From: dillon min <dillon.minfei at gmail.com>
>
> 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
>
> dillon min (8):
>   ARM: ARMv7-M: Fix register restore corrupt after svc call
>   Documentation: arm: stm32: Add stm32h750 value line
>   dt-bindings: arm: stm32: Add compatible strings for ART-PI board
>   dt-bindings: pinctrl: stm32: Add stm32h750 pinctrl
>   ARM: dts: stm32: introduce stm32h7-pinctrl.dtsi to support stm32h75x
>   ARM: dts: stm32: add stm32h750-pinctrl.dtsi
>   ARM: dts: stm32: add support for art-pi board based on stm32h750xbh6
>   ARM: stm32: add initial support for stm32h750
>
>  Documentation/arm/index.rst                        |   1 +
>  Documentation/arm/stm32/stm32h750-overview.rst     |  33 ++
>  .../devicetree/bindings/arm/stm32/stm32.yaml       |   4 +
>  .../bindings/pinctrl/st,stm32-pinctrl.yaml         |   1 +
>  arch/arm/boot/dts/Makefile                         |   1 +
>  arch/arm/boot/dts/stm32h7-pinctrl.dtsi             | 392 +++++++++++++++++++++
>  arch/arm/boot/dts/stm32h743-pinctrl.dtsi           | 307 +---------------
>  arch/arm/boot/dts/stm32h743.dtsi                   |  30 ++
>  arch/arm/boot/dts/stm32h750-pinctrl.dtsi           |  11 +
>  arch/arm/boot/dts/stm32h750.dtsi                   |   5 +
>  arch/arm/boot/dts/stm32h750i-art-pi.dts            | 227 ++++++++++++
>  arch/arm/mach-stm32/board-dt.c                     |   1 +
>  arch/arm/mm/proc-v7m.S                             |   5 +-
>  13 files changed, 716 insertions(+), 302 deletions(-)
>  create mode 100644 Documentation/arm/stm32/stm32h750-overview.rst
>  create mode 100644 arch/arm/boot/dts/stm32h7-pinctrl.dtsi
>  create mode 100644 arch/arm/boot/dts/stm32h750-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
>