Re: [PATCH v2 1/5] dt-bindings: riscv: spacemit: add MusePi Pro board

From: Conor Dooley <conor@kernel.org>
To: Troy Mitchell <troy.mitchell@linux.spacemit.com>
Cc: Rob Herring <robh@kernel.org>,
	Krzysztof Kozlowski <krzk+dt@kernel.org>,
	Conor Dooley <conor+dt@kernel.org>, Yixun Lan <dlan@gentoo.org>,
	Paul Walmsley <paul.walmsley@sifive.com>,
	Palmer Dabbelt <palmer@dabbelt.com>,
	Albert Ou <aou@eecs.berkeley.edu>,
	Alexandre Ghiti <alex@ghiti.fr>, Yangyu Chen <cyy@cyyself.name>,
	devicetree@vger.kernel.org, linux-riscv@lists.infradead.org,
	spacemit@lists.linux.dev, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2 1/5] dt-bindings: riscv: spacemit: add MusePi Pro board
Date: Fri, 10 Oct 2025 15:34:54 +0100	[thread overview]
Message-ID: <20251010-headstand-gloomy-c7d702f978a9@spud> (raw)
In-Reply-To: <20251010-k1-musepi-pro-dts-v2-1-6e1b491f6f3e@linux.spacemit.com>


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On Fri, Oct 10, 2025 at 09:56:30AM +0800, Troy Mitchell wrote:
> Document the compatible string for the MusePi Pro [1]. It is a 1.8-inch
> single board computer based on the SpacemiT K1/M1 RISC-V SoC [2].
> 
> Here's a refined list of its core features for consideration:
>   - SoC: SpacemiT M1/K1, 8-core 64-bit RISC-V with 2.0 TOPS AI power.
>          This suggests potential for light AI/ML workloads on-device.
>   - Memory: LPDDR4X @ 2400MT/s, available in 8GB & 16GB options.
>             Sufficient for various workloads.
>   - Storage: Onboard eMMC 5.1 (64GB/128GB options). M.2 M-Key for NVMe
>              SSD (2230 size), and a microSD slot (UHS-II) for expansion.
>              Good variety for boot and data.
>   - Display: HDMI 1.4 (1080P@60Hz) and 2-lane MIPI DSI FPC (1080P@60Hz).
>              Standard display options.
>   - Connectivity: Onboard Wi-Fi 6 & Bluetooth 5.2. A single Gigabit
>                   Ethernet port (RJ45). Given the stated markets,
>                   this should cover basic networking.
>   - USB: 4x USB 3.0 Type-A (host) and 1x USB 2.0 Type-C (device/OTG).
>          Decent host capabilities.
>   - Expansion: Full-size miniPCIe slot for assorted modules
>                (4G/5G, wireless etc.). A second M.2 M-Key (2230) for more
>                general PCIe devices (SSD, PCIe-to-SATA, comm boards).
>   - GPIO: Standard 40-pin GPIO interface, as expected for an SBC.
>   - MIPI: Includes 1x 4-lane MIPI CSI FPC and 2x MIPI DSI FPC interfaces
>           for cameras and displays.
>   - Clock: Onboard RTC with battery support.
> 
> Link: https://developer.spacemit.com/documentation?token=YJtdwnvvViPVcmkoPDpcvwfVnrh&type=pdf [1]
> Link: https://www.spacemit.com/en/key-stone-k1 [2]
> 
> Signed-off-by: Troy Mitchell <troy.mitchell@linux.spacemit.com>

Acked-by: Conor Dooley <conor.dooley@microchip.com>

pw-bot: not-applicable

> ---
> Changelog in v2:
> - modify commit message
> - Link to v1: https://lore.kernel.org/all/20250928-k1-musepi-pro-dts-v1-1-5efcca0ce3ae@linux.spacemit.com/
> ---
>  Documentation/devicetree/bindings/riscv/spacemit.yaml | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/Documentation/devicetree/bindings/riscv/spacemit.yaml b/Documentation/devicetree/bindings/riscv/spacemit.yaml
> index c56b62a6299ac24d3cdef7edcdfc407dc62a1846..52fe39296031f21d1c28c4f1ea5ca9fe28caf45a 100644
> --- a/Documentation/devicetree/bindings/riscv/spacemit.yaml
> +++ b/Documentation/devicetree/bindings/riscv/spacemit.yaml
> @@ -22,6 +22,7 @@ properties:
>            - enum:
>                - bananapi,bpi-f3
>                - milkv,jupiter
> +              - spacemit,musepi-pro
>                - xunlong,orangepi-rv2
>            - const: spacemit,k1
>  
> 
> -- 
> 2.51.0
> 
> 

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