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Fri, 10 Oct 2025 09:56:43 +0800 (CST) X-QQ-SSF: 0000000000000000000000000000000 X-QQ-GoodBg: 0 X-BIZMAIL-ID: 2672388393376587538 EX-QQ-RecipientCnt: 14 From: Troy Mitchell Date: Fri, 10 Oct 2025 09:56:30 +0800 Subject: [PATCH v2 1/5] dt-bindings: riscv: spacemit: add MusePi Pro board Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20251010-k1-musepi-pro-dts-v2-1-6e1b491f6f3e@linux.spacemit.com> References: <20251010-k1-musepi-pro-dts-v2-0-6e1b491f6f3e@linux.spacemit.com> In-Reply-To: <20251010-k1-musepi-pro-dts-v2-0-6e1b491f6f3e@linux.spacemit.com> To: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Yixun Lan , Paul Walmsley , Palmer Dabbelt , Albert Ou , Alexandre Ghiti , Yangyu Chen Cc: devicetree@vger.kernel.org, linux-riscv@lists.infradead.org, spacemit@lists.linux.dev, linux-kernel@vger.kernel.org, Troy Mitchell X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1760061399; l=2561; i=troy.mitchell@linux.spacemit.com; s=20250710; h=from:subject:message-id; bh=ooFfofg3THi0o3bPDJoZZmYqUSX500L5M3Ie3KTomQg=; b=kIwAlm93xlsEZwNBaI+LdFvXe5v6i5CIHyps44SQKXhWutlsqYTP36ZX/hhk6r7LmK7OEKhYC vBp0C+cRH9eDkztNUawFEYuv7pJzc7K7QCzh90CUq8l5LdQmqwf2Y14 X-Developer-Key: i=troy.mitchell@linux.spacemit.com; a=ed25519; pk=lQa7BzLrq8DfZnChqmwJ5qQk8fP2USmY/4xZ2/MSsXc= X-QQ-SENDSIZE: 520 Feedback-ID: esmtpsz:linux.spacemit.com:qybglogicsvrsz:qybglogicsvrsz3a-0 X-QQ-XMAILINFO: McQkEgLnGfKHzu8S9YBl9klno334JPzj50wFcTa0EQJTgPHDYwscCEzG TSPflaX5vaqphR+tOZdYszVZ9IGt4WiXdzu1/I+K/Ul7eB7LMMKU61sdjfV9rEI2+LZ+q1o yCBtaHsOieLnah4S8HNO5TvbpkGR70GikuNJvG2eR06S0xm8p1sM6Poxuk+aBQfT3JfgEa1 PeImzczM8J+Zxg0whGzcJOe0YFB1iVQhotZS9CeLyVpa2JvmygDAFnJB//80jZ/zSA1BrOS CKoUvNH/RGBGb3c9Iq5ye0UB+bbbadNZ3EhTDuimjFqYoI8kL0vk7fnCSP5l+IsIpxdroIt tLr0KZsuFmjJ3/F9KoQmkdsIn0MyFeKpcA/z/XKo97uxFtjmQNqFM+1IYmcXE4s1VSc7zch N0V5L/TYO6WV2zH3zk27LMPEWK96S/4GU42ZmIfIPpLCjopdj4sNmGU9FqOOzwT9mhSHm6S H8OxUBe5V+2U1rg/IWsOXGOtGBrWlzQD1N4BWo794CLk7EdaQTNXc8MilWG2DQDa7sYN8Tj ApwEXLWriVabJc9X1JsqLMLn2m1L+PVRmAdCQO4uHvY75TnQrWFjEkFydyjWH2c/ug/KVpL CQDNwTFfAGiUOcP8aZTvfhCaYKEeWHQ1oNfDQGbROdijI/qfXY9hFIsxbcQOyiS2W0UAqpp S7dvi1lCf5HwB8FN2Qowecj6NEDosJjGdnrONtZy7UWtYBrjvoOpmjSEXW7vLjzTizU2Il/ A76IZM2b9Zhlv8WgpP0SBSZSYljkV9Fd/tVHOxT740WUSl/wdVUtMurvn9gSd8JcF3F42dR KYadFGwClvfV2iO6WtceL4ZXK9r2wcaT0bgYPZOfVF+nTHrKqpSLHkd68vD181+EDhQpnYm mrg/5jfuzgZL2PP3OaFkpxcU2zZQNmShmUnjublNE1WJ9P5rIkAC2E+Yvk62yoGFLAxH0eV rQN7mali3VPsSaKkFvLi4iV59PxODkRB7qW0eH5thnVG9qwlOTpPcmoqbaHqRYA6/u/Tv8Q o5PBCMD9GW8yxDOMzAHDx/ZttQ+GFa141odBSbk1W+RqHqE1Lgh9gk74X/6/akKCWCz3GXn cmXQlgmtmtiv+aOKCcYAmVLjINjGn40ZEOvhTMe9HIQ77J7B96VREqjjJJryEVTDfKe6C40 t1aIQKfJQYxQ5wc= X-QQ-XMRINFO: NI4Ajvh11aEj8Xl/2s1/T8w= X-QQ-RECHKSPAM: 0 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=3DYJtdwnvvViPVcmko= PDpcvwfVnrh&type=3Dpdf [1] Link: https://www.spacemit.com/en/key-stone-k1 [2] Signed-off-by: Troy Mitchell Acked-by: Conor Dooley --- Changelog in v2: - modify commit message - Link to v1: https://lore.kernel.org/all/20250928-k1-musepi-pro-dts-v1-1-5= efcca0ce3ae@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/Docume= ntation/devicetree/bindings/riscv/spacemit.yaml index c56b62a6299ac24d3cdef7edcdfc407dc62a1846..52fe39296031f21d1c28c4f1ea5= ca9fe28caf45a 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 =20 --=20 2.51.0