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@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 > > 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 >