[PATCH 0/4] Add rt-thread art-pi board support

[dillon.minfei at gmail.com]

From: dillon min <dillon.minfei at gmail.com>

These patches aim to adds u-boot support on art-pi board.

the board resources:
- stm32h750xbh6 128k flash, 1024k sram
- 32MiB sdram
- 16MiB spi flash
- 8MiB qspi flash
- onboard wifi, bt, fm

the detail board information can be found at:
https://art-pi.gitee.io/website/

dillon min (4):
  ARM: dts: stm32: split sdram pin & timing parameter into specific
    board dts
  ARM: dts: stm32: Add RT-Thread art-pi board support
  board: Add rt-thread art-pi board support
  ram: stm32: fix strsep failed on read only memory

 arch/arm/dts/Makefile                        |   3 +-
 arch/arm/dts/stm32h7-u-boot.dtsi             |  95 --------
 arch/arm/dts/stm32h743.dtsi                  |   8 +
 arch/arm/dts/stm32h743i-disco-u-boot.dtsi    |  98 ++++++++
 arch/arm/dts/stm32h743i-eval-u-boot.dtsi     |  98 ++++++++
 arch/arm/dts/stm32h750-pinctrl.dtsi          | 319 +++++++++++++++++++++++++++
 arch/arm/dts/stm32h750.dtsi                  |   5 +
 arch/arm/dts/stm32h750i-art-pi-u-boot.dtsi   |  81 +++++++
 arch/arm/dts/stm32h750i-art-pi.dts           |  75 +++++++
 arch/arm/mach-stm32/stm32h7/Kconfig          |   4 +
 board/st/stm32h750-art-pi/Kconfig            |  19 ++
 board/st/stm32h750-art-pi/MAINTAINERS        |   7 +
 board/st/stm32h750-art-pi/Makefile           |   6 +
 board/st/stm32h750-art-pi/stm32h750-art-pi.c |  58 +++++
 configs/stm32h750-art-pi_defconfig           |  51 +++++
 drivers/ram/stm32_sdram.c                    |   3 +
 include/configs/stm32h750-art-pi.h           |  48 ++++
 include/dt-bindings/memory/stm32-sdram.h     |   2 +
 18 files changed, 884 insertions(+), 96 deletions(-)
 create mode 100644 arch/arm/dts/stm32h750-pinctrl.dtsi
 create mode 100644 arch/arm/dts/stm32h750.dtsi
 create mode 100644 arch/arm/dts/stm32h750i-art-pi-u-boot.dtsi
 create mode 100644 arch/arm/dts/stm32h750i-art-pi.dts
 create mode 100644 board/st/stm32h750-art-pi/Kconfig
 create mode 100644 board/st/stm32h750-art-pi/MAINTAINERS
 create mode 100644 board/st/stm32h750-art-pi/Makefile
 create mode 100644 board/st/stm32h750-art-pi/stm32h750-art-pi.c
 create mode 100644 configs/stm32h750-art-pi_defconfig
 create mode 100644 include/configs/stm32h750-art-pi.h

-- 
2.7.4