linux-kernel - [PATCH 0/4] ARM: dts: sunxi: Add MangoPi MQ-R board support

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Message-Id: <20230106010155.26868-1-andre.przywara@arm.com>
Date:   Fri,  6 Jan 2023 01:01:51 +0000
From:   Andre Przywara <andre.przywara@....com>
To:     Samuel Holland <samuel@...lland.org>,
        Jernej Skrabec <jernej.skrabec@...il.com>,
        Chen-Yu Tsai <wens@...e.org>, Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>
Cc:     Icenowy Zheng <uwu@...nowy.me>,
        András Szemzö <szemzo.andras@...il.com>,
        Fabien Poussin <fabien.poussin@...il.com>,
        Paul Walmsley <paul.walmsley@...ive.com>,
        Palmer Dabbelt <palmer@...belt.com>,
        Albert Ou <aou@...s.berkeley.edu>,
        linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org,
        linux-sunxi@...ts.linux.dev, linux-riscv@...ts.infradead.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH 0/4] ARM: dts: sunxi: Add MangoPi MQ-R board support

The MangoPi MQ-R is a small SBC with the Allwinner T113-s3 SoC. That is
a very close relative to the Allwinner D1/D1s SoCs, but with Arm
Cortex-A7 cores, and 128 MB of SIP co-packaged DDR3 DRAM.

This series introduces the missing T113-s .dtsi, which builds on top of
the D1/D1s .dtsi, but adds the ARM specific peripherals, like the CPU
cores, the arch timer, the GIC and the PMU.
This requires to add a symlink to the RISC-V DT directory in patch 1/4,
to be able to easily reference the base .dtsi from other architecture
directories.

After I had written most of the board .dts, I realised that the
MangoPi MQ is almost the same, minus the RISC-V/ARM difference. I am a
bit unsure if we should share more of the board .dts, though, as this
would go cross architectures. I am open to any comments here.

Please have a look!

Cheers,
Andre

Andre Przywara (4):
  dts: add riscv include prefix link
  ARM: dts: sunxi: add Allwinner T113-s SoC .dtsi
  dt-bindings: arm: sunxi: document MangoPi MQ-R board name
  ARM: dts: sunxi: add MangoPi MQ-R board

 .../devicetree/bindings/arm/sunxi.yaml        |   5 +
 arch/arm/boot/dts/Makefile                    |   1 +
 .../arm/boot/dts/sun8i-t113s-mangopi-mq-r.dts | 160 ++++++++++++++++++
 arch/arm/boot/dts/sun8i-t113s.dtsi            |  59 +++++++
 scripts/dtc/include-prefixes/riscv            |   1 +
 5 files changed, 226 insertions(+)
 create mode 100644 arch/arm/boot/dts/sun8i-t113s-mangopi-mq-r.dts
 create mode 100644 arch/arm/boot/dts/sun8i-t113s.dtsi
 create mode 120000 scripts/dtc/include-prefixes/riscv

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