linux-kernel - Re: [PATCH 00/12] riscv: Allwinner D1 platform support

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Date:   Thu, 01 Sep 2022 11:10:13 -0700 (PDT)
From:   Palmer Dabbelt <palmer@...belt.com>
To:     samuel@...lland.org
CC:     wens@...e.org, jernej.skrabec@...il.com,
        linux-sunxi@...ts.linux.dev,
        Paul Walmsley <paul.walmsley@...ive.com>,
        aou@...s.berkeley.edu, linux-riscv@...ts.infradead.org,
        robh+dt@...nel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, krzysztof.kozlowski+dt@...aro.org,
        samuel@...lland.org
Subject:     Re: [PATCH 00/12] riscv: Allwinner D1 platform support

On Sun, 14 Aug 2022 22:08:03 PDT (-0700), samuel@...lland.org wrote:
> This series adds the Kconfig/defconfig plumbing and devicetrees for a
> range of Allwinner D1-based boards. Many features are already enabled,
> including USB, Ethernet, and WiFi.
>
> The SoC devicetree uses bindings from the following series which have
> not yet been merged:
> - SRAM controller:
>   https://lore.kernel.org/lkml/20220815041248.53268-1-samuel@sholland.org/
> - NVMEM cell bits property change:
>   https://lore.kernel.org/lkml/20220814173656.11856-1-samuel@sholland.org/
> - In-package LDO regulators:
>   https://lore.kernel.org/lkml/20220815043436.20170-1-samuel@sholland.org/
>
> All three of these are required to set the correct I/O domain voltages
> in the pin controller, which I would consider important to have in the
> initial version of the devicetree.
>
> The SoC devicetree does contain one small hack to avoid a dependency on
> the audio codec binding, since that is not ready yet: the codec node
> uses a bare "simple-mfd", "syscon" compatible.
>
>
> Samuel Holland (12):
>   MAINTAINERS: Match the sun20i family of Allwinner SoCs
>   dt-bindings: riscv: Add T-HEAD C906 and C910 compatibles
>   dt-bindings: vendor-prefixes: Add Allwinner D1 board vendors
>   dt-bindings: riscv: Add Allwinner D1 board compatibles
>   riscv: Add the Allwinner SoC family Kconfig option
>   riscv: dts: allwinner: Add the D1 SoC base devicetree
>   riscv: dts: allwinner: Add Allwinner D1 Nezha devicetree
>   riscv: dts: allwinner: Add Sipeed Lichee RV devicetrees
>   riscv: dts: allwinner: Add MangoPi MQ Pro devicetree
>   riscv: dts: allwinner: Add Dongshan Nezha STU devicetree
>   riscv: dts: allwinner: Add ClockworkPi and DevTerm devicetrees
>   riscv: defconfig: Enable the Allwinner D1 platform and drivers
>
>  .../devicetree/bindings/riscv/cpus.yaml       |   2 +
>  .../devicetree/bindings/riscv/sunxi.yaml      |  64 ++
>  .../devicetree/bindings/vendor-prefixes.yaml  |   4 +
>  MAINTAINERS                                   |   2 +-
>  arch/riscv/Kconfig.socs                       |   9 +
>  arch/riscv/boot/dts/Makefile                  |   1 +
>  arch/riscv/boot/dts/allwinner/Makefile        |  10 +
>  .../allwinner/sun20i-d1-clockworkpi-v3.14.dts | 242 +++++
>  .../sun20i-d1-common-regulators.dtsi          |  51 +
>  .../dts/allwinner/sun20i-d1-devterm-v3.14.dts |  37 +
>  .../sun20i-d1-dongshan-nezha-stu.dts          | 114 +++
>  .../sun20i-d1-lichee-rv-86-panel-480p.dts     |  29 +
>  .../sun20i-d1-lichee-rv-86-panel-720p.dts     |  10 +
>  .../sun20i-d1-lichee-rv-86-panel.dtsi         |  92 ++
>  .../allwinner/sun20i-d1-lichee-rv-dock.dts    |  74 ++
>  .../dts/allwinner/sun20i-d1-lichee-rv.dts     |  84 ++
>  .../allwinner/sun20i-d1-mangopi-mq-pro.dts    | 128 +++
>  .../boot/dts/allwinner/sun20i-d1-nezha.dts    | 171 ++++
>  arch/riscv/boot/dts/allwinner/sun20i-d1.dtsi  | 900 ++++++++++++++++++
>  arch/riscv/configs/defconfig                  |  23 +-
>  20 files changed, 2045 insertions(+), 2 deletions(-)
>  create mode 100644 Documentation/devicetree/bindings/riscv/sunxi.yaml
>  create mode 100644 arch/riscv/boot/dts/allwinner/Makefile
>  create mode 100644 arch/riscv/boot/dts/allwinner/sun20i-d1-clockworkpi-v3.14.dts
>  create mode 100644 arch/riscv/boot/dts/allwinner/sun20i-d1-common-regulators.dtsi
>  create mode 100644 arch/riscv/boot/dts/allwinner/sun20i-d1-devterm-v3.14.dts
>  create mode 100644 arch/riscv/boot/dts/allwinner/sun20i-d1-dongshan-nezha-stu.dts
>  create mode 100644 arch/riscv/boot/dts/allwinner/sun20i-d1-lichee-rv-86-panel-480p.dts
>  create mode 100644 arch/riscv/boot/dts/allwinner/sun20i-d1-lichee-rv-86-panel-720p.dts
>  create mode 100644 arch/riscv/boot/dts/allwinner/sun20i-d1-lichee-rv-86-panel.dtsi
>  create mode 100644 arch/riscv/boot/dts/allwinner/sun20i-d1-lichee-rv-dock.dts
>  create mode 100644 arch/riscv/boot/dts/allwinner/sun20i-d1-lichee-rv.dts
>  create mode 100644 arch/riscv/boot/dts/allwinner/sun20i-d1-mangopi-mq-pro.dts
>  create mode 100644 arch/riscv/boot/dts/allwinner/sun20i-d1-nezha.dts
>  create mode 100644 arch/riscv/boot/dts/allwinner/sun20i-d1.dtsi

I'm assuming these are aimed at the RISC-V tree?  I'm generally OK with 
that, though the DT folks have pointed out a handful of issues that look 
pretty reasonable to me.

I can't find a v2, not sure if I missed it.  No rush on my end, just 
want to make sure I'm not dropping the ball on anything.

Thanks!