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Fri, 11 Sep 2026 13:48:37 +0000 (UTC) From: =?utf-8?q?Juan_Carlos_Guti=C3=A9rrez_Lavado_via_B4_Relay?= Subject: [PATCH v2 0/2] Add SPC Glee 10.1 A64 board support Date: Fri, 11 Sep 2026 15:48:36 +0200 Message-Id: <20260911-b4-spc-glee-a64-v1-v2-0-ed0b7ff02e0b@proton.me> Precedence: bulk X-Mailing-List: linux-sunxi@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-B4-Tracking: v=1; b=H4sIAAAAAAAC/32NQQ7CIBREr9L8td8AbYm68h6mC2h/W4wCAWw0D XeX1r3JbF4yM2+FSMFQhEu1QqDFRONsAXGooJ+VnQjNUBgEE5KdmUTdYPQ9Tg8iVLLBhaMkOWh Vn5RqCcrQBxrNez+9dT+OL32nPm1PW2M2Mbnw2a0L33p/BSUMpeDDKHjbUs2vPrjk7PFJ0OWcv 8IU1QfGAAAA X-Change-ID: 20260906-b4-spc-glee-a64-v1-6e6dba38aa5e To: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Chen-Yu Tsai , Jernej Skrabec , Samuel Holland , Maxime Ripard Cc: devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-sunxi@lists.linux.dev, linux-kernel@vger.kernel.org, =?utf-8?q?Juan_C?= =?utf-8?q?arlos_Guti=C3=A9rrez_Lavado?= X-Mailer: b4 0.15.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1789134516; l=2744; i=jcarlosgl96@proton.me; s=20260906; h=from:subject:message-id; bh=lG4KDAp2pMa37LUQNtZbacnmooezoxlM4A7rINK4vpY=; b=9cQ8HQazllEZ9I3uWCMPeNw1KeaNAYJ7K67hJqRBiRk3vDkZLO8y0O98Kuiym09Ba9Fr+zhVv ihA3uDDYJ0HBtZRMro+NaiR2KP+HnwLY8llpeA3HBQck4uWQtw7cFMw X-Developer-Key: i=jcarlosgl96@proton.me; a=ed25519; pk=2/GzZfrbHAiuUrsA5A4A9ixfHKnypfDfzyE+fToY4Io= X-Endpoint-Received: by B4 Relay for jcarlosgl96@proton.me/20260906 with auth_id=1008 X-Original-From: =?utf-8?q?Juan_Carlos_Guti=C3=A9rrez_Lavado?= Reply-To: jcarlosgl96@proton.me X-MORS-Enabled: yes X-MORS-DOMAIN: patchwork.local X-MORS-HOSTING: hosting172546 X-MORS-USER: hosting172546 X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= Add initial support for the SPC Glee 10.1 tablet with Allwinner A64 and AXP803 PMIC. Describe essential supplies, 2 GiB DRAM, microSD, UART, battery monitoring and USB peripheral mode. Keep unverified peripherals disabled. The microSD slot uses broken-cd and a conservative 25 MHz limit until its card-detect wiring and faster modes are validated. Validation against sunxi/for-next base 913f7eda9f3e: - DTB build, binding checks and full DTB schema validation pass with dt-schema 2026.6. W=1 retains three inherited SoC warnings. - Cold boot from microSD and kexec into Linux 7.3.0-rc1 with the corrected DTB reach accessible userspace without regulator_ignore_unused. - CPUfreq transitions to 648, 816 and 1152 MHz were observed. - CPU cooling state 7 limits the CPU to 648 MHz. Automatic thermal updates were paused briefly to test this actuator, then restored. - USB supply online/present changed 1 -> 0 -> 1 during cable unplug/replug; SSH reconnected after the cable was restored. - Automatic CPU thermal cooling reduced frequency under load. Two SHA-256 workers completed 10 minutes, peaking at 78.37 C, with USB/SSH connected. Cooling state returned to 0 after removing the load. A four-worker test was stopped at a conservative 80 C limit after 27 seconds. Long-duration stability, sustained full four-core load and broader peripheral support remain unvalidated. Signed-off-by: Juan Carlos Gutiérrez Lavado --- Changes in v2: - Use the onspc vendor prefix and place its registry entry alphabetically. - Include CPU OPPs for CPUfreq and CPU thermal cooling. - Enable the AXP803 USB supply and link it to the USB PHY for VBUS detection. - Keep ALDO2 (VCC-PL, 1.8 V) and ALDO3 (VCC-PLL/AVCC, 3.0 V) always on. These supplies are identified by the stock firmware and match the measured baseline settings. Earlier test boots stopped progressing without regulator_ignore_unused; the corrected DTB remains responsive. - Link to v1: https://lore.kernel.org/all/20260906-b4-spc-glee-a64-v1-v1-0-621df2155e31@proton.me/ --- Juan Carlos Gutiérrez Lavado (2): dt-bindings: arm: sunxi: Add SPC Glee 10.1 A64 arm64: dts: allwinner: Add SPC Glee 10.1 A64 Documentation/devicetree/bindings/arm/sunxi.yaml | 5 + .../devicetree/bindings/vendor-prefixes.yaml | 2 + arch/arm64/boot/dts/allwinner/Makefile | 1 + .../boot/dts/allwinner/sun50i-a64-spc-glee.dts | 143 +++++++++++++++++++++ 4 files changed, 151 insertions(+) --- base-commit: 913f7eda9f3e3fb1c67285e144e202494d440049 change-id: 20260906-b4-spc-glee-a64-v1-6e6dba38aa5e Best regards, -- Juan Carlos Gutiérrez Lavado