From nobody Thu Apr 2 13:47:43 2026 Received: from cstnet.cn (smtp21.cstnet.cn [159.226.251.21]) (using TLSv1.2 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id A9E2F3803CF; Sun, 29 Mar 2026 17:05:33 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=159.226.251.21 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1774803935; cv=none; b=nA4JfKAzOSXVfPV7a//b0kPrevJv+ZKUww1lMAF6vFbIz0bEaz6TKm1LyO6C2ARD7W3gCHAocXCc2uQiG0vzNzLOiM//66b5PMuQIG2FkISTHrBCVG5Ij6WnnLqVSsnCaEEfv1m2gvkdyDo3hOewtsGmk0rQPRNgPpmKXkj4fzg= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1774803935; c=relaxed/simple; bh=wxvRwtn8VQr3u19wAWeRtJ30cDrZI5ec6rb60dN7vHM=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=VcYRAjZ3Ls5M1KNhpqSx7dqj5evCY3+1eoWIp5EuffWomVAZKcQXfepq2tyE+dA3TaXaXmRNUYzzDjaYX5oxsyH+5GB0urIYNaHItCitJq7XQ6bm7HBPk/++XxYst39GbDz1BKh0ksUHF4ep4cE7pwM12MaiUyHm/wwiAw7xTYI= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=iscas.ac.cn; spf=pass smtp.mailfrom=iscas.ac.cn; arc=none smtp.client-ip=159.226.251.21 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=iscas.ac.cn Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=iscas.ac.cn Received: from localhost.localdomain (unknown [223.166.95.230]) by APP-01 (Coremail) with SMTP id qwCowADXfmrNW8lphN+LCw--.7316S5; Mon, 30 Mar 2026 01:05:20 +0800 (CST) From: Han Gao To: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Paul Walmsley , Palmer Dabbelt , Albert Ou , Alexandre Ghiti , Yixun Lan Cc: devicetree@vger.kernel.org, linux-riscv@lists.infradead.org, spacemit@lists.linux.dev, linux-kernel@vger.kernel.org, Han Gao , Han Gao Subject: [PATCH v3 3/3] riscv: dts: spacemit: Enable USB3.0/PCIe on OrangePi RV2 Date: Mon, 30 Mar 2026 01:05:15 +0800 Message-ID: <84f8e713ef1ee46f9be852f400f52d6c055725f8.1774803532.git.gaohan@iscas.ac.cn> X-Mailer: git-send-email 2.47.3 In-Reply-To: References: Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-CM-TRANSID: qwCowADXfmrNW8lphN+LCw--.7316S5 X-Coremail-Antispam: 1UD129KBjvJXoWxWF4xJr4rGF4xGF1UWw1UGFg_yoW5Xw4xpF 17Wrsa9a4fAryfKw43Wa4Iga13W3Wvk395Awn5Zr48JF40ga4q9rs3Ar15AF95Wr48X34a yFyjyFy8KFnrKw7anT9S1TB71UUUUU7qnTZGkaVYY2UrUUUUjbIjqfuFe4nvWSU5nxnvy2 9KBjDU0xBIdaVrnRJUUUm214x267AKxVWrJVCq3wAFc2x0x2IEx4CE42xK8VAvwI8IcIk0 rVWrJVCq3wAFIxvE14AKwVWUJVWUGwA2048vs2IY020E87I2jVAFwI0_JrWl82xGYIkIc2 x26xkF7I0E14v26ryj6s0DM28lY4IEw2IIxxk0rwA2F7IY1VAKz4vEj48ve4kI8wA2z4x0 Y4vE2Ix0cI8IcVAFwI0_Gr0_Xr1l84ACjcxK6xIIjxv20xvEc7CjxVAFwI0_Cr0_Gr1UM2 8EF7xvwVC2z280aVAFwI0_Cr0_Gr1UM28EF7xvwVC2z280aVCY1x0267AKxVW8Jr0_Cr1U M2AIxVAIcxkEcVAq07x20xvEncxIr21l5I8CrVACY4xI64kE6c02F40Ex7xfMcIj6xIIjx v20xvE14v26r1j6r18McIj6I8E87Iv67AKxVWUJVW8JwAm72CE4IkC6x0Yz7v_Jr0_Gr1l F7xvr2IYc2Ij64vIr41lF7I21c0EjII2zVCS5cI20VAGYxC7M4IIrI8v6xkF7I0E8cxan2 IY04v7MxkF7I0En4kS14v26r1q6r43MxAIw28IcxkI7VAKI48JMxC20s026xCaFVCjc4AY 6r1j6r4UMI8I3I0E5I8CrVAFwI0_Jr0_Jr4lx2IqxVCjr7xvwVAFwI0_JrI_JrWlx4CE17 CEb7AF67AKxVWUtVW8ZwCIc40Y0x0EwIxGrwCI42IY6xIIjxv20xvE14v26r1j6r1xMIIF 0xvE2Ix0cI8IcVCY1x0267AKxVWxJVW8Jr1lIxAIcVCF04k26cxKx2IYs7xG6r1j6r1xMI IF0xvEx4A2jsIE14v26r1j6r4UMIIF0xvEx4A2jsIEc7CjxVAFwI0_Gr0_Gr1UYxBIdaVF xhVjvjDU0xZFpf9x0JUHWlkUUUUU= X-CM-SenderInfo: xjdrxt3q6l2u1dvotugofq/1tbiBwoBDGnJP94irgABsM Content-Type: text/plain; charset="utf-8" Enable the DWC3 USB 3.0 controller and its associated usbphy2 on the OrangePi RV2 board. The board utilizes a Genesys Logic GL3523 hub, which requires one separate power supplies for hub itself. Define a 3.3v fixed voltage regulator to be used by PCIe on OPi RV2. Define PCIe and PHY-related Device Tree nodes for the OPi RV2. Signed-off-by: Han Gao --- .../boot/dts/spacemit/k1-orangepi-rv2.dts | 79 +++++++++++++++++++ 1 file changed, 79 insertions(+) diff --git a/arch/riscv/boot/dts/spacemit/k1-orangepi-rv2.dts b/arch/riscv/= boot/dts/spacemit/k1-orangepi-rv2.dts index 1b1b27bc95d8..a53cd2e037ef 100644 --- a/arch/riscv/boot/dts/spacemit/k1-orangepi-rv2.dts +++ b/arch/riscv/boot/dts/spacemit/k1-orangepi-rv2.dts @@ -23,6 +23,15 @@ chosen { stdout-path =3D "serial0"; }; =20 + pcie_vcc_3v3: regulator-pcie-vcc3v3 { + compatible =3D "regulator-fixed"; + regulator-name =3D "PCIE_VCC3V3"; + regulator-min-microvolt =3D <3300000>; + regulator-max-microvolt =3D <3300000>; + gpio =3D <&gpio K1_GPIO(116) GPIO_ACTIVE_HIGH>; + enable-active-high; + }; + reg_dc_in: regulator-vcc-in-5v { compatible =3D "regulator-fixed"; regulator-name =3D "dc_in_5v"; @@ -42,6 +51,15 @@ reg_vcc_4v: regulator-vcc-4v { vin-supply =3D <®_dc_in>; }; =20 + usb3_hub_5v: regulator-usb3-hub-5v { + compatible =3D "regulator-fixed"; + regulator-name =3D "USB_HUB_EN"; + regulator-min-microvolt =3D <5000000>; + regulator-max-microvolt =3D <5000000>; + gpio =3D <&gpio K1_GPIO(123) GPIO_ACTIVE_HIGH>; + enable-active-high; + }; + leds { compatible =3D "gpio-leds"; =20 @@ -54,6 +72,10 @@ led1 { }; }; =20 +&combo_phy { + status =3D "okay"; +}; + ð0 { phy-handle =3D <&rgmii0>; phy-mode =3D "rgmii-id"; @@ -230,8 +252,65 @@ dldo7 { }; }; =20 +&pcie1_phy { + pinctrl-names =3D "default"; + pinctrl-0 =3D <&pcie1_3_cfg>; + status =3D "okay"; +}; + +&pcie1_port { + phys =3D <&pcie1_phy>; + vpcie3v3-supply =3D <&pcie_vcc_3v3>; +}; + +&pcie1 { + vpcie3v3-supply =3D <&pcie_vcc_3v3>; + status =3D "okay"; +}; + +&pcie2_phy { + pinctrl-names =3D "default"; + pinctrl-0 =3D <&pcie2_4_cfg>; + status =3D "okay"; +}; + +&pcie2_port { + phys =3D <&pcie2_phy>; + vpcie3v3-supply =3D <&pcie_vcc_3v3>; +}; + +&pcie2 { + vpcie3v3-supply =3D <&pcie_vcc_3v3>; + status =3D "okay"; +}; + &uart0 { pinctrl-names =3D "default"; pinctrl-0 =3D <&uart0_2_cfg>; status =3D "okay"; }; + +&usbphy2 { + status =3D "okay"; +}; + +&usb_dwc3 { + dr_mode =3D "host"; + #address-cells =3D <1>; + #size-cells =3D <0>; + status =3D "okay"; + + hub_2_0: hub@1 { + compatible =3D "usb5e3,610"; + reg =3D <0x1>; + vdd-supply =3D <&usb3_hub_5v>; + peer-hub =3D <&hub_3_0>; + }; + + hub_3_0: hub@2 { + compatible =3D "usb5e3,620"; + reg =3D <0x2>; + vdd-supply =3D <&usb3_hub_5v>; + peer-hub =3D <&hub_2_0>; + }; +}; --=20 2.47.3