[PATCH v2 0/9] arch: riscv: add board and SoC DT file support

[Yash Shah]

Start board support by adding initial support for the SiFive FU740 SoC
and the first development board that uses it, the SiFive HiFive
Unmatched A00.

Boot-tested on Linux 5.10-rc4 on a HiFive Unmatched A00 board using the
U-boot and OpenSBI.

This patch series is dependent on Zong's Patchset[0]. The patchset also
adds two new nodes in dtsi file. The binding documentation patch
for these nodes are already posted on the mailing list[1][2].

[0]: https://lore.kernel.org/linux-riscv/20201130082330.77268-4-zong.li@sifive.com/T/#u
[1]: https://lore.kernel.org/linux-riscv/1606714984-16593-1-git-send-email-yash.shah@sifive.com/T/#t
[2]: https://lore.kernel.org/linux-riscv/20201126030043.67390-1-zong.li@sifive.com/T/#u

Changes in v2:
- The dt bindings patch is split into several individual patches.
- Expand the full list for compatible strings in i2c-ocores.txt

Yash Shah (9):
  dt-bindings: riscv: Update DT binding docs to support SiFive FU740 SoC
  dt-bindings: spi: Update DT binding docs to support SiFive FU740 SoC
  dt-bindings: pwm: Update DT binding docs to support SiFive FU740 SoC
  dt-bindings: serial: Update DT binding docs to support SiFive FU740
    SoC
  dt-bindings: gpio: Update DT binding docs to support SiFive FU740 SoC
  dt-bindings: i2c: Update DT binding docs to support SiFive FU740 SoC
  riscv: dts: add initial support for the SiFive FU740-C000 SoC
  dt-bindings: riscv: Update YAML doc to support SiFive HiFive Unmatched
    board
  riscv: dts: add initial board data for the SiFive HiFive Unmatched

 .../devicetree/bindings/gpio/sifive,gpio.yaml      |   4 +-
 .../devicetree/bindings/i2c/i2c-ocores.txt         |   8 +-
 .../devicetree/bindings/pwm/pwm-sifive.yaml        |   9 +-
 Documentation/devicetree/bindings/riscv/cpus.yaml  |   6 +
 .../devicetree/bindings/riscv/sifive.yaml          |  17 +-
 .../devicetree/bindings/serial/sifive-serial.yaml  |   4 +-
 .../devicetree/bindings/spi/spi-sifive.yaml        |  10 +-
 arch/riscv/boot/dts/sifive/Makefile                |   3 +-
 arch/riscv/boot/dts/sifive/fu740-c000.dtsi         | 293 +++++++++++++++++++++
 .../riscv/boot/dts/sifive/hifive-unmatched-a00.dts | 253 ++++++++++++++++++
 10 files changed, 590 insertions(+), 17 deletions(-)
 create mode 100644 arch/riscv/boot/dts/sifive/fu740-c000.dtsi
 create mode 100644 arch/riscv/boot/dts/sifive/hifive-unmatched-a00.dts

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2.7.4