From: Alberto Robazza <robazzalberto@gmail.com>
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 [thread overview]
Message-ID: <20260726201647.264108-1-robazzalberto@gmail.com> (raw)
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
next reply other threads:[~2026-07-26 20:16 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-07-26 20:16 Alberto Robazza [this message]
2026-07-26 20:16 ` [PATCH v2 1/3] dt-bindings: vendor-prefixes: add Orbbec Alberto Robazza
2026-07-26 20:16 ` [PATCH v2 2/3] dt-bindings: arm: amlogic: document Orbbec Zora P1 board compatible Alberto Robazza
2026-07-26 20:16 ` [PATCH v2 3/3] arm64: dts: amlogic: add support for Orbbec Zora P1 Alberto Robazza
2026-07-26 20:26 ` sashiko-bot
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