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([2a02:810b:f13:8500:80da:6526:1e81:c18f]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-45615a4551bsm23035615e9.37.2025.07.13.12.13.44 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sun, 13 Jul 2025 12:13:45 -0700 (PDT) Message-ID: <702dc4bb-7b3c-4647-b84f-8516989b0836@gmail.com> Date: Sun, 13 Jul 2025 21:13:44 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v3 0/6] arm64: dts: rockchip: Add ROCK 2A/2F, Sige1 and NanoPi Zero2 To: Jonas Karlman , Heiko Stuebner , Rob Herring , Krzysztof Kozlowski , Conor Dooley Cc: Yao Zi , Chukun Pan , linux-rockchip@lists.infradead.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org References: <20250712173805.584586-1-jonas@kwiboo.se> Content-Language: en-US From: Alex Bee In-Reply-To: <20250712173805.584586-1-jonas@kwiboo.se> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250713_121348_188060_5B6D6FA1 X-CRM114-Status: GOOD ( 21.47 ) 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: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Hi list, Hi Jonas, > This series adds dt-bindings and initial device tree for the following > Rockchip RK3528A boards: > - Radxa ROCK 2A/2F > - ArmSoM Sige1 > - FriendlyElec NanoPi Zero2 this only sub-related to this series: Is there any particular reason, why we call the compatible "rockchip,rk3528" and not "rockchip,rk3528a"? From what I can see all boards currently supported (and those in this series) are having the RK3528A version of the SoC. I didn't follow the development here, but there are differences - I did a quick compare of the datasheets of those two SoC versions - it looks like RK3528 version has USB3-DRD controller, while RK3528A has USB3 host-only controller. Also it seems to have different video codec IPs and the DRAM controller additionally supports LPDDR4X. I guess it would be good to discuss this before this series is merged, because re-naming *.dts files after they have been in a release is somewhat impossible. Regards, Alex > > The bt/wifi_reg_on pins are described in the device tree using > rfkill-gpio nodes. > > Changes in v3: > - Rename led nodes to led-0/led-1 > - Remove pinctrl* props from sdio0 > - Collect a-b tags > > Changes in v2: > - Limit sdmmc max-frequency to 100 MHz on ROCK 2A/2F > - Drop clock-output-names prop from rtc node on Sige1 and NanoPi Zero2 > - Drop regulator-boot-on from usb 2.0 host regulators on Sige1 > - Add bluetooth and wifi nodes on Sige1 > - Collect t-b tag for NanoPi Zero2 > > These boards can be booted from emmc or sd-card using the U-Boot 2025.07 > generic-rk3528 target or work-in-progress patches for these boards [1]. > > For working bluetooth on ArmSoM Sige1 the patch "arm64: dts: rockchip: > Fix UART DMA support for RK3528" [2] is required. > > [1] https://source.denx.de/u-boot/contributors/kwiboo/u-boot/-/commits/rk3528 > [2] https://lore.kernel.org/r/20250709210831.3170458-1-jonas@kwiboo.se > > Jonas Karlman (6): > dt-bindings: arm: rockchip: Add Radxa ROCK 2A/2F > arm64: dts: rockchip: Add Radxa ROCK 2A/2F > dt-bindings: arm: rockchip: Add ArmSoM Sige1 > arm64: dts: rockchip: Add ArmSoM Sige1 > dt-bindings: arm: rockchip: Add FriendlyElec NanoPi Zero2 > arm64: dts: rockchip: Add FriendlyElec NanoPi Zero2 > > .../devicetree/bindings/arm/rockchip.yaml | 17 + > arch/arm64/boot/dts/rockchip/Makefile | 4 + > .../boot/dts/rockchip/rk3528-armsom-sige1.dts | 465 ++++++++++++++++++ > .../boot/dts/rockchip/rk3528-nanopi-zero2.dts | 340 +++++++++++++ > .../boot/dts/rockchip/rk3528-rock-2.dtsi | 293 +++++++++++ > .../boot/dts/rockchip/rk3528-rock-2a.dts | 82 +++ > .../boot/dts/rockchip/rk3528-rock-2f.dts | 10 + > 7 files changed, 1211 insertions(+) > create mode 100644 arch/arm64/boot/dts/rockchip/rk3528-armsom-sige1.dts > create mode 100644 arch/arm64/boot/dts/rockchip/rk3528-nanopi-zero2.dts > create mode 100644 arch/arm64/boot/dts/rockchip/rk3528-rock-2.dtsi > create mode 100644 arch/arm64/boot/dts/rockchip/rk3528-rock-2a.dts > create mode 100644 arch/arm64/boot/dts/rockchip/rk3528-rock-2f.dts >