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[93.34.145.231]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-47f85c52fa9sm43621117f8f.20.2026.07.26.13.16.52 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 26 Jul 2026 13:16:52 -0700 (PDT) From: Alberto Robazza To: robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, neil.armstrong@linaro.org, khilman@baylibre.com Cc: robazza.alberto@proton.me, jbrunet@baylibre.com, martin.blumenstingl@googlemail.com, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-amlogic@lists.infradead.org Subject: [PATCH v2 0/3] arm64: dts: amlogic: add support for Orbbec Zora P1 Date: Sun, 26 Jul 2026 22:16:44 +0200 Message-ID: <20260726201647.264108-1-robazzalberto@gmail.com> X-Mailer: git-send-email 2.55.0 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260726_131655_294614_E96172E9 X-CRM114-Status: GOOD ( 13.38 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: robazza.alberto@proton.me Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org The Orbbec Zora P1 is a vision development board based on the Amlogic A311D (Meson G12B) SoC, with 2 or 4 GiB LPDDR4, an Ampak AP6256 combo module (Broadcom BCM43456 Wi-Fi over SDIO and BCM4345C5 Bluetooth over UART_A), HDMI output and Gigabit Ethernet. According to its specifications and original device tree, the board is a revised version of the ODROID-N2 with Wi-Fi, Bluetooth and an Amlogic A311D instead of the original S922X. The device tree therefore builds on meson-g12b-a311d.dtsi and meson-g12b-odroid-n2.dtsi, mirroring meson-g12b-odroid-n2-plus.dts. It extends those descriptions with the board-specific AP6256 wiring. The status LED is green instead of the original ODROID-N2 blue and has inverted polarity. This series consists of: Patch 1: add the "orbbec" vendor prefix. Patch 2: document the "orbbec,zora-p1" board compatible. Patch 3: add the meson-g12b-zora-p1.dts board file and Makefile entry. The DTB was built, validated against the amlogic.yaml binding using DT_SCHEMA_FILES, and boot-tested twice on the board. The AP6256 Wi-Fi interface enumerates and operates with the GPIOX_16 reset and PWM clock description present. Removing the wifi32k and pwm_ef descriptions causes the SDIO Wi-Fi device to stop working on this board. --- Changes in v2: - Investigated the apparent GPIOX_16 overlap between the SDIO power sequence reset and the 32.768 kHz PWM clock. Retained the description after two successful hardware tests; removing the clock description prevents the AP6256 Wi-Fi device from working. - Sort the new DTB entry alphabetically in the Amlogic Makefile. - Sort the "orbbec" entry alphabetically in vendor-prefixes.yaml. Alberto Robazza (3): dt-bindings: vendor-prefixes: add Orbbec dt-bindings: arm: amlogic: document Orbbec Zora P1 board compatible arm64: dts: amlogic: add support for Orbbec Zora P1 .../devicetree/bindings/arm/amlogic.yaml | 1 + .../devicetree/bindings/vendor-prefixes.yaml | 2 + arch/arm64/boot/dts/amlogic/Makefile | 1 + .../boot/dts/amlogic/meson-g12b-zora-p1.dts | 103 ++++++++++++++++++ 4 files changed, 107 insertions(+) create mode 100644 arch/arm64/boot/dts/amlogic/meson-g12b-zora-p1.dts -- 2.55.0