[PATCH v5 0/2] Add board support for Sipeed LicheeRV Nano

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The LicheeRV Nano is a RISC-V SBC based on the Sophgo SG2002 chip. Adds
minimal device tree files for this board to make it boot to a basic
shell.

Signed-off-by: Thomas Bonnefille <thomas.bonnefille@xxxxxxxxxxx>
---
Changes in v5:
- Add support for pinctrl
- Remove nodes for i2c0 and uart1
- Drop dt-bindings patch that are already applied
- Link to v4: https://lore.kernel.org/r/20240711-sg2002-v4-0-d97ec2367095@xxxxxxxxxxx

Changes in v4:
- Add correct bindings configuration for SG2002 sdhci
- Drop commit "dt-bindings: timer: Add SOPHGO SG2002 clint" because it
  has already been merged in Daniel Lezcano git tree.
- Link to v3: https://lore.kernel.org/r/20240709-sg2002-v3-0-af779c3d139d@xxxxxxxxxxx

Changes in v3:
- Remove /dts-v1/ directive from sg2002.dtsi file
- Add disable-wp property to sdhci node to avoid having a write
  protected SD card
- Drop changes in cv18xx.dtsi and cv1800b.dtsi
- Add fallback compatible to cv1800b in SDHCI node of sg2002.dtsi
- Link to v2: https://lore.kernel.org/r/20240612-sg2002-v2-0-19a585af6846@xxxxxxxxxxx

Changes in v2:
- Add SDHCI support
- Change device tree name to match the Makefile
- Add oscillator frequency
- Add aliases to other UARTs
- Add aliases to GPIOs
- Move compatible for SDHCI from common DT to specific DT 
- Link to v1: https://lore.kernel.org/r/20240527-sg2002-v1-0-1b6cb38ce8f4@xxxxxxxxxxx

---
Thomas Bonnefille (2):
      riscv: dts: sophgo: Add initial SG2002 SoC device tree
      riscv: dts: sophgo: Add LicheeRV Nano board device tree

 arch/riscv/boot/dts/sophgo/Makefile                |  1 +
 .../boot/dts/sophgo/sg2002-licheerv-nano-b.dts     | 95 ++++++++++++++++++++++
 arch/riscv/boot/dts/sophgo/sg2002.dtsi             | 42 ++++++++++
 3 files changed, 138 insertions(+)
---
base-commit: 9852d85ec9d492ebef56dc5f229416c925758edc
change-id: 20240515-sg2002-93dce1d263be

Best regards,
-- 
Thomas Bonnefille <thomas.bonnefille@xxxxxxxxxxx>





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