From nobody Mon Feb 9 17:06:52 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 4F4991EA7CC; Tue, 30 Dec 2025 02:37:55 +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=1767062279; cv=none; b=AongkUGcQI6fTtyh9V2iB2tdS0ZrybnucRSPbcHjVBkIgw7FrGuIdM898VYJRoEyZ4Sd1KOqR2gxyqUcDtsqCtIxJxfaxpAR8lH9C4r+XVhIRP7El02fbjZxtKV0BwJFJiSHeGFjTn/2TRtSv49ZKQMGKlcYcJCFJPAaoN9p+aU= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1767062279; c=relaxed/simple; bh=6KXel9ci3OJix6JgeFLvPK0gXnZ8UMnjCQpKTkXMtao=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=dKrwEYflB6ydlY+qrQCmM2Khy550hD3br4ulVQ8YBI2rS72WrM6qNt6aeOn1J7yqnuE+oeAUrz/+ear8bP8W9DQZaFILVTn+DHHkRcqItQ0Sjtj2vu5awMTLWW6c9zjrKL1b854hxd9sGsCnOYg8LJBJvVICebvHLDBtAwHNaEE= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=isrc.iscas.ac.cn; spf=pass smtp.mailfrom=isrc.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=isrc.iscas.ac.cn Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=isrc.iscas.ac.cn Received: from duge-virtual-machine (unknown [223.160.207.108]) by APP-01 (Coremail) with SMTP id qwCowACXQW3oOlNpIqZOAg--.5334S3; Tue, 30 Dec 2025 10:37:35 +0800 (CST) From: Jiayu Du To: conor@kernel.org Cc: vkoul@kernel.org, gregkh@linuxfoundation.org, pjw@kernel.org, palmer@dabbelt.com, aou@eecs.berkeley.edu, alex@ghiti.fr, neil.armstrong@linaro.org, krzk+dt@kernel.org, jiayu.riscv@isrc.iscas.ac.cn, linux-riscv@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-phy@lists.infradead.org, linux-usb@vger.kernel.org Subject: [PATCH 1/5] dt-bindings: phy: Add Canaan K230 USB2.0 PHY DT schema Date: Tue, 30 Dec 2025 10:37:20 +0800 Message-ID: <20251230023725.15966-2-jiayu.riscv@isrc.iscas.ac.cn> X-Mailer: git-send-email 2.52.0 In-Reply-To: <20251230023725.15966-1-jiayu.riscv@isrc.iscas.ac.cn> References: <20251230023725.15966-1-jiayu.riscv@isrc.iscas.ac.cn> 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: qwCowACXQW3oOlNpIqZOAg--.5334S3 X-Coremail-Antispam: 1UD129KBjvJXoW7Kr48Aw4UurWUtrW3Cr1UAwb_yoW8XF18pa yxCF9FgrsagF43Zan3KF18C3W3AFZ7CFyfCr12q34DtF1DWa4Yv3yakw15Z3W7AF1xJFW2 vFZIvFy7Gr4qyw7anT9S1TB71UUUUU7qnTZGkaVYY2UrUUUUjbIjqfuFe4nvWSU5nxnvy2 9KBjDU0xBIdaVrnRJUUUmj14x267AKxVWrJVCq3wAFc2x0x2IEx4CE42xK8VAvwI8IcIk0 rVWUuVWrJwAFIxvE14AKwVWUJVWUGwA2048vs2IY020E87I2jVAFwI0_Jr4l82xGYIkIc2 x26xkF7I0E14v26r4j6ryUM28lY4IEw2IIxxk0rwA2F7IY1VAKz4vEj48ve4kI8wA2z4x0 Y4vE2Ix0cI8IcVAFwI0_Jr0_JF4l84ACjcxK6xIIjxv20xvEc7CjxVAFwI0_Gr0_Cr1l84 ACjcxK6I8E87Iv67AKxVWUJVW8JwA2z4x0Y4vEx4A2jsIEc7CjxVAFwI0_Gr0_Gr1UM2AI xVAIcxkEcVAq07x20xvEncxIr21l5I8CrVACY4xI64kE6c02F40Ex7xfMcIj6xIIjxv20x vE14v26r1j6r18McIj6I8E87Iv67AKxVWUJVW8JwAm72CE4IkC6x0Yz7v_Jr0_Gr1lF7xv r2IYc2Ij64vIr41lF7I21c0EjII2zVCS5cI20VAGYxC7M4IIrI8v6xkF7I0E8cxan2IY04 v7MxkF7I0En4kS14v26r1q6r43MxAIw28IcxkI7VAKI48JMxC20s026xCaFVCjc4AY6r1j 6r4UMI8I3I0E5I8CrVAFwI0_Jr0_Jr4lx2IqxVCjr7xvwVAFwI0_JrI_JrWlx4CE17CEb7 AF67AKxVWUtVW8ZwCIc40Y0x0EwIxGrwCI42IY6xIIjxv20xvE14v26r1j6r1xMIIF0xvE 2Ix0cI8IcVCY1x0267AKxVW8JVWxJwCI42IY6xAIw20EY4v20xvaj40_Jr0_JF4lIxAIcV C2z280aVAFwI0_Jr0_Gr1lIxAIcVC2z280aVCY1x0267AKxVW8JVW8JrUvcSsGvfC2Kfnx nUUI43ZEXa7VUjrHUDUUUUU== X-CM-SenderInfo: 5mld534oul2uny6l223fol2u1dvotugofq/ Content-Type: text/plain; charset="utf-8" k230-usb-phy driver supports USB 2.0 phys integrated in Canaan K230 SoC. Add YAML schema for its binding. Signed-off-by: Jiayu Du --- .../bindings/phy/canaan,k230-usb-phy.yaml | 36 +++++++++++++++++++ 1 file changed, 36 insertions(+) create mode 100644 Documentation/devicetree/bindings/phy/canaan,k230-usb-p= hy.yaml diff --git a/Documentation/devicetree/bindings/phy/canaan,k230-usb-phy.yaml= b/Documentation/devicetree/bindings/phy/canaan,k230-usb-phy.yaml new file mode 100644 index 000000000000..f1c9511c873f --- /dev/null +++ b/Documentation/devicetree/bindings/phy/canaan,k230-usb-phy.yaml @@ -0,0 +1,36 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/phy/canaan,k230-usb-phy.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Canaan K230 USB2.0 PHY + +maintainers: + - Jiayu Du + +properties: + compatible: + const: canaan,k230-usb-phy + + reg: + description: + Two register regions for USB PHY in HiSysConfig syscon block. + items: + - description: USB PHY test control reg (pullup/pulldown config) + - description: USB PHY core control reg (PLL/transceiver tuning) + minItems: 2 + maxItems: 2 + + clocks: + maxItems: 1 + + "#phy-cells": + const: 0 + +required: + - compatible + - reg + - "#phy-cells" + +additionalProperties: false --=20 2.52.0 From nobody Mon Feb 9 17:06:52 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 7A9FF2D9EFB; Tue, 30 Dec 2025 02:37:58 +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=1767062281; cv=none; b=KMM4UmOImB4IZHMBTT+CfFJq9wujHrjqKKgOW3jV5/Gv/eCRTvDvFb0jOFJzxXiW32+upT2b1UizNTXywkew+VHWr6/ShNezybVyxkHmrvCnKSyz5yTTlrO+XnG6xjLtutJIsOHTUUUUvaOkAGipPxpR0zbX/0SjKg9dZ+5oGmM= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1767062281; c=relaxed/simple; bh=yNMyl0qFHcHPIgB03TVHeV9mSqzndrb6C3GTAOp8LJA=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=Z1Bi3KL7QWc4jJztbf+DwnBvANRjpU3l1+p5DOqNI4o0z+8ytDQOGnKawMSe6zh32Xv/XQCySLbG1KC5Wf55xCO+V+fm2wPUxNft+J+PcEcxUOHyiM9lQHcPHGKuwfwIxJHveKa9cBxksxN3m/NV6D/Y7CCz9bJ9US+g2j7ISXA= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=isrc.iscas.ac.cn; spf=pass smtp.mailfrom=isrc.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=isrc.iscas.ac.cn Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=isrc.iscas.ac.cn Received: from duge-virtual-machine (unknown [223.160.207.108]) by APP-01 (Coremail) with SMTP id qwCowACXQW3oOlNpIqZOAg--.5334S4; Tue, 30 Dec 2025 10:37:38 +0800 (CST) From: Jiayu Du To: conor@kernel.org Cc: vkoul@kernel.org, gregkh@linuxfoundation.org, pjw@kernel.org, palmer@dabbelt.com, aou@eecs.berkeley.edu, alex@ghiti.fr, neil.armstrong@linaro.org, krzk+dt@kernel.org, jiayu.riscv@isrc.iscas.ac.cn, linux-riscv@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-phy@lists.infradead.org, linux-usb@vger.kernel.org Subject: [PATCH 2/5] dt-bindings: soc: canaan: Add top syscon for Canaan K230 SoC Date: Tue, 30 Dec 2025 10:37:21 +0800 Message-ID: <20251230023725.15966-3-jiayu.riscv@isrc.iscas.ac.cn> X-Mailer: git-send-email 2.52.0 In-Reply-To: <20251230023725.15966-1-jiayu.riscv@isrc.iscas.ac.cn> References: <20251230023725.15966-1-jiayu.riscv@isrc.iscas.ac.cn> 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: qwCowACXQW3oOlNpIqZOAg--.5334S4 X-Coremail-Antispam: 1UD129KBjvJXoW7uFyxXr4xuFW7WF1kJr1fWFg_yoW8KrWxpr yxCFyfKrs5WF1aya1SkFy8Wa43Ga97Cr18Aw1ayryDtrn8Ga4jyaya9rW3Za1UXFyxGay2 vFWSvFy7Kr1DArJanT9S1TB71UUUUU7qnTZGkaVYY2UrUUUUjbIjqfuFe4nvWSU5nxnvy2 9KBjDU0xBIdaVrnRJUUUmj14x267AKxVWrJVCq3wAFc2x0x2IEx4CE42xK8VAvwI8IcIk0 rVWUuVWrJwAFIxvE14AKwVWUJVWUGwA2048vs2IY020E87I2jVAFwI0_Jryl82xGYIkIc2 x26xkF7I0E14v26ryj6s0DM28lY4IEw2IIxxk0rwA2F7IY1VAKz4vEj48ve4kI8wA2z4x0 Y4vE2Ix0cI8IcVAFwI0_Jr0_JF4l84ACjcxK6xIIjxv20xvEc7CjxVAFwI0_Gr0_Cr1l84 ACjcxK6I8E87Iv67AKxVWUJVW8JwA2z4x0Y4vEx4A2jsIEc7CjxVAFwI0_Gr0_Gr1UM2AI xVAIcxkEcVAq07x20xvEncxIr21l5I8CrVACY4xI64kE6c02F40Ex7xfMcIj6xIIjxv20x vE14v26r1j6r18McIj6I8E87Iv67AKxVWUJVW8JwAm72CE4IkC6x0Yz7v_Jr0_Gr1lF7xv r2IYc2Ij64vIr41lF7I21c0EjII2zVCS5cI20VAGYxC7M4IIrI8v6xkF7I0E8cxan2IY04 v7MxkF7I0En4kS14v26r1q6r43MxAIw28IcxkI7VAKI48JMxC20s026xCaFVCjc4AY6r1j 6r4UMI8I3I0E5I8CrVAFwI0_Jr0_Jr4lx2IqxVCjr7xvwVAFwI0_JrI_JrWlx4CE17CEb7 AF67AKxVWUtVW8ZwCIc40Y0x0EwIxGrwCI42IY6xIIjxv20xvE14v26r1j6r1xMIIF0xvE 2Ix0cI8IcVCY1x0267AKxVW8JVWxJwCI42IY6xAIw20EY4v20xvaj40_Jr0_JF4lIxAIcV C2z280aVAFwI0_Jr0_Gr1lIxAIcVC2z280aVCY1x0267AKxVW8JVW8JrUvcSsGvfC2Kfnx nUUI43ZEXa7VUbH5lUUUUUU== X-CM-SenderInfo: 5mld534oul2uny6l223fol2u1dvotugofq/ Content-Type: text/plain; charset="utf-8" The Canaan K230 SoC top system controller provides register access to configure related modules. It includes a USB2 PHY and eMMC/SDIO PHY. Signed-off-by: Jiayu Du --- .../soc/canaan/canaan,k230-hisys-cfg.yaml | 68 +++++++++++++++++++ 1 file changed, 68 insertions(+) create mode 100644 Documentation/devicetree/bindings/soc/canaan/canaan,k23= 0-hisys-cfg.yaml diff --git a/Documentation/devicetree/bindings/soc/canaan/canaan,k230-hisys= -cfg.yaml b/Documentation/devicetree/bindings/soc/canaan/canaan,k230-hisys-= cfg.yaml new file mode 100644 index 000000000000..77875f2d4f48 --- /dev/null +++ b/Documentation/devicetree/bindings/soc/canaan/canaan,k230-hisys-cfg.ya= ml @@ -0,0 +1,68 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/soc/canaan/canaan,k230-hisys-cfg.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Canaan K230 HiSysConfig system controller + +maintainers: + - Jiayu Du + +description: + The Canaan K230 HiSysConfig system controller provides register access to + configure high-speed peripherals (e.g. eMMC/SDIO PHY tuning) and USB PHY + configuration. + +properties: + compatible: + items: + - const: canaan,k230-hisys-cfg + - const: syscon + - const: simple-mfd + + reg: + maxItems: 1 + + "#address-cells": + const: 1 + + "#size-cells": + const: 1 + + usb-phy@70: + $ref: schemas/phy/canaan,k230-usb-phy.yaml# + unevaluatedProperties: false + + usb-phy@90: + $ref: schemas/phy/canaan,k230-usb-phy.yaml# + unevaluatedProperties: false + +required: + - compatible + - reg + +additionalProperties: false + +examples: + - | + hi_sys_config: syscon@91585000 { + compatible =3D "canaan,k230-hisys-cfg", "syscon", "simple-mfd"; + reg =3D <0x91585000 0x400>; + #address-cells =3D <1>; + #size-cells =3D <1>; + + usbphy0: usb-phy@70 { + compatible =3D "canaan,k230-usb-phy"; + reg =3D <0x70 0x1C>, <0xb0 0x8>; + clocks =3D <&sysclk K230_HS_USB0_AHB_GATE>; + #phy-cells =3D <0>; + }; + + usbphy1: usb-phy@90 { + compatible =3D "canaan,k230-usb-phy"; + reg =3D <0x90 0x1C>, <0xb8 0x8>; + clocks =3D <&sysclk K230_HS_USB1_AHB_GATE>; + #phy-cells =3D <0>; + }; + }; --=20 2.52.0 From nobody Mon Feb 9 17:06:52 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 4F4341DFE22; Tue, 30 Dec 2025 02:37:55 +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=1767062278; cv=none; b=PAgsTLS1GT1gZ3gDQPM8l0rY2yCOZvykS2yoD9CM51yyPWm8bFxJQfJAkKMWdGG5z99pnFPmyOGYdmAE3iTM445yKWWkzdOAcCqQlf92AmeMUKHBDSQ9/E7SDzwuW1JWRiWYHkZFY8AcWbem2A88uNM1jyVM4+jj9zpMsW/l3Wc= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1767062278; c=relaxed/simple; bh=QFRlpOrF1GoMvkpqnwoBl3pjQJ98KpiTbXUh4J+HAIk=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=h3XHaSuQG4Kp/MdouQY7UXpl6abktaJCKjc/BdURi/tGRb15plHu4CSQ906GcUvDty3glBqdUhtvqgcGcVo5Rgbi6sp5OgGuJkT71b4DOkfcsjTdJwhQqpwWzwF0+yth3vcJIu5CLrIJV4M1cnjqmBy0GvBwSQV5m1u+fl91xoQ= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=isrc.iscas.ac.cn; spf=pass smtp.mailfrom=isrc.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=isrc.iscas.ac.cn Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=isrc.iscas.ac.cn Received: from duge-virtual-machine (unknown [223.160.207.108]) by APP-01 (Coremail) with SMTP id qwCowACXQW3oOlNpIqZOAg--.5334S5; Tue, 30 Dec 2025 10:37:40 +0800 (CST) From: Jiayu Du To: conor@kernel.org Cc: vkoul@kernel.org, gregkh@linuxfoundation.org, pjw@kernel.org, palmer@dabbelt.com, aou@eecs.berkeley.edu, alex@ghiti.fr, neil.armstrong@linaro.org, krzk+dt@kernel.org, jiayu.riscv@isrc.iscas.ac.cn, linux-riscv@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-phy@lists.infradead.org, linux-usb@vger.kernel.org Subject: [PATCH 3/5] dt-bindings: usb: dwc2: Add support for Canaan K230 SoC Date: Tue, 30 Dec 2025 10:37:22 +0800 Message-ID: <20251230023725.15966-4-jiayu.riscv@isrc.iscas.ac.cn> X-Mailer: git-send-email 2.52.0 In-Reply-To: <20251230023725.15966-1-jiayu.riscv@isrc.iscas.ac.cn> References: <20251230023725.15966-1-jiayu.riscv@isrc.iscas.ac.cn> 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: qwCowACXQW3oOlNpIqZOAg--.5334S5 X-Coremail-Antispam: 1UD129KBjvdXoW7JrW3JFWkWw4DZw1ruF1xXwb_yoW3uFg_Z3 ZruF4rCFWDJFySqr4qyFs2kF15Zw47trn7uF1qqFn8Cw4j9ws8Wa4ktw13Ar1rCF4Uurn5 urs3JrZFgFs7WjkaLaAFLSUrUUUUjb8apTn2vfkv8UJUUUU8Yxn0WfASr-VFAUDa7-sFnT 9fnUUIcSsGvfJTRUUUbkkFF20E14v26rWj6s0DM7CY07I20VC2zVCF04k26cxKx2IYs7xG 6r1S6rWUM7CIcVAFz4kK6r1j6r18M28IrcIa0xkI8VA2jI8067AKxVWUWwA2048vs2IY02 0Ec7CjxVAFwI0_Xr0E3s1l8cAvFVAK0II2c7xJM28CjxkF64kEwVA0rcxSw2x7M28EF7xv wVC0I7IYx2IY67AKxVWUJVWUCwA2z4x0Y4vE2Ix0cI8IcVCY1x0267AKxVWxJVW8Jr1l84 ACjcxK6I8E87Iv67AKxVWUJVW8JwA2z4x0Y4vEx4A2jsIEc7CjxVAFwI0_Gr0_Gr1UM2AI xVAIcxkEcVAq07x20xvEncxIr21l5I8CrVACY4xI64kE6c02F40Ex7xfMcIj6xIIjxv20x vE14v26r1j6r18McIj6I8E87Iv67AKxVWUJVW8JwAm72CE4IkC6x0Yz7v_Jr0_Gr1lF7xv r2IYc2Ij64vIr41lF7I21c0EjII2zVCS5cI20VAGYxC7M4IIrI8v6xkF7I0E8cxan2IY04 v7MxkF7I0En4kS14v26r1q6r43MxAIw28IcxkI7VAKI48JMxC20s026xCaFVCjc4AY6r1j 6r4UMI8I3I0E5I8CrVAFwI0_Jr0_Jr4lx2IqxVCjr7xvwVAFwI0_JrI_JrWlx4CE17CEb7 AF67AKxVWUtVW8ZwCIc40Y0x0EwIxGrwCI42IY6xIIjxv20xvE14v26r1j6r1xMIIF0xvE 2Ix0cI8IcVCY1x0267AKxVWxJVW8Jr1lIxAIcVCF04k26cxKx2IYs7xG6r1j6r1xMIIF0x vEx4A2jsIE14v26r1j6r4UMIIF0xvEx4A2jsIEc7CjxVAFwI0_Gr0_Gr1UYxBIdaVFxhVj vjDU0xZFpf9x0JUHWlkUUUUU= X-CM-SenderInfo: 5mld534oul2uny6l223fol2u1dvotugofq/ Content-Type: text/plain; charset="utf-8" Add 'canaan,k230-usb' compatible string with 'snps,dwc2' as fallback for the DWC2 IP which is used by Canaan K230. Signed-off-by: Jiayu Du --- Documentation/devicetree/bindings/usb/dwc2.yaml | 3 +++ 1 file changed, 3 insertions(+) diff --git a/Documentation/devicetree/bindings/usb/dwc2.yaml b/Documentatio= n/devicetree/bindings/usb/dwc2.yaml index 6c3a10991b8b..352487c6392a 100644 --- a/Documentation/devicetree/bindings/usb/dwc2.yaml +++ b/Documentation/devicetree/bindings/usb/dwc2.yaml @@ -17,6 +17,9 @@ properties: compatible: oneOf: - const: brcm,bcm2835-usb + - items: + - const: canaan,k230-usb + - const: snps,dwc2 - const: hisilicon,hi6220-usb - const: ingenic,jz4775-otg - const: ingenic,jz4780-otg --=20 2.52.0 From nobody Mon Feb 9 17:06:52 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 B5C2B2DEA61; Tue, 30 Dec 2025 02:37:58 +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=1767062281; cv=none; b=k4mxgyCNJhOMXqyJkmd+rgxSbkZ0kVVahcEObCYgRONNDCBTjgcEEbv0aNftxF06HAIa9kgbl7NAeZQZgJtBMSzkhThjc+fv/hFmJ3MbdQx3W7F8VegSFAWI7AcyOTKi5/h1Lgfk+/iU05OCUFEcqTKjri6fNuhOGvIVfK9bhMc= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1767062281; c=relaxed/simple; bh=h5TdZ5VzjMQa81je3+5naEscFDUqtb9LW/XsNxSNbb8=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=hl10Od7xT7y7xVeylk8l+gq2J/4uG9xoQyqaEbpZedXDg3pJFdI/GyWHZY2IDY7lyTcTEjYgU5ODZD8NPOXSLJbeWdJpVnsnp1nLW+FCe/U9vLl2Cwzyn9SkTLMC6+aFPflCdnZQ9XACm0y5SHHDSkRirBZMBR7Vc0rYoOo+pbg= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=isrc.iscas.ac.cn; spf=pass smtp.mailfrom=isrc.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=isrc.iscas.ac.cn Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=isrc.iscas.ac.cn Received: from duge-virtual-machine (unknown [223.160.207.108]) by APP-01 (Coremail) with SMTP id qwCowACXQW3oOlNpIqZOAg--.5334S6; Tue, 30 Dec 2025 10:37:43 +0800 (CST) From: Jiayu Du To: conor@kernel.org Cc: vkoul@kernel.org, gregkh@linuxfoundation.org, pjw@kernel.org, palmer@dabbelt.com, aou@eecs.berkeley.edu, alex@ghiti.fr, neil.armstrong@linaro.org, krzk+dt@kernel.org, jiayu.riscv@isrc.iscas.ac.cn, linux-riscv@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-phy@lists.infradead.org, linux-usb@vger.kernel.org Subject: [PATCH 4/5] phy: usb: Add driver for Canaan K230 USB 2.0 PHY Date: Tue, 30 Dec 2025 10:37:23 +0800 Message-ID: <20251230023725.15966-5-jiayu.riscv@isrc.iscas.ac.cn> X-Mailer: git-send-email 2.52.0 In-Reply-To: <20251230023725.15966-1-jiayu.riscv@isrc.iscas.ac.cn> References: <20251230023725.15966-1-jiayu.riscv@isrc.iscas.ac.cn> 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: qwCowACXQW3oOlNpIqZOAg--.5334S6 X-Coremail-Antispam: 1UD129KBjvJXoW3Kw47tw4xuw15uw4ftF4ktFb_yoWDtr15pF W5Ca4fKrn7tF4fuw4xGFyDGF9IqwnrAry3tw1Skas8XF97tr1UZasaqFyrZr1qyF1DGFW3 t3Z8Jay29F17AaUanT9S1TB71UUUUU7qnTZGkaVYY2UrUUUUjbIjqfuFe4nvWSU5nxnvy2 9KBjDU0xBIdaVrnRJUUUmI14x267AKxVWrJVCq3wAFc2x0x2IEx4CE42xK8VAvwI8IcIk0 rVWUuVWrJwAFIxvE14AKwVWUJVWUGwA2048vs2IY020E87I2jVAFwI0_JF0E3s1l82xGYI kIc2x26xkF7I0E14v26ryj6s0DM28lY4IEw2IIxxk0rwA2F7IY1VAKz4vEj48ve4kI8wA2 z4x0Y4vE2Ix0cI8IcVAFwI0_Jr0_JF4l84ACjcxK6xIIjxv20xvEc7CjxVAFwI0_Cr0_Gr 1UM28EF7xvwVC2z280aVAFwI0_Jr0_Gr1l84ACjcxK6I8E87Iv6xkF7I0E14v26r4j6r4U JwAS0I0E0xvYzxvE52x082IY62kv0487Mc02F40EFcxC0VAKzVAqx4xG6I80ewAv7VC0I7 IYx2IY67AKxVWUJVWUGwAv7VC2z280aVAFwI0_Jr0_Gr1lOx8S6xCaFVCjc4AY6r1j6r4U M4x0Y48IcxkI7VAKI48JM4x0x7Aq67IIx4CEVc8vx2IErcIFxwACI402YVCY1x02628vn2 kIc2xKxwCY1x0262kKe7AKxVWUtVW8ZwCF04k20xvY0x0EwIxGrwCFx2IqxVCFs4IE7xkE bVWUJVW8JwC20s026c02F40E14v26r1j6r18MI8I3I0E7480Y4vE14v26r106r1rMI8E67 AF67kF1VAFwI0_Jw0_GFylIxkGc2Ij64vIr41lIxAIcVC0I7IYx2IY67AKxVWUJVWUCwCI 42IY6xIIjxv20xvEc7CjxVAFwI0_Cr0_Gr1UMIIF0xvE42xK8VAvwI8IcIk0rVWUJVWUCw CI42IY6I8E87Iv67AKxVWUJVW8JwCI42IY6I8E87Iv6xkF7I0E14v26r4j6r4UJbIYCTnI WIevJa73UjIFyTuYvjfUOyIUUUUUU X-CM-SenderInfo: 5mld534oul2uny6l223fol2u1dvotugofq/ Content-Type: text/plain; charset="utf-8" Add driver for the USB 2.0 PHY in Canaan K230 SoC, which supports PHY initialization, power management and USB mode switching. Add Kconfig/Makefile under drivers/phy/canaan/. Signed-off-by: Jiayu Du --- drivers/phy/Kconfig | 1 + drivers/phy/Makefile | 1 + drivers/phy/canaan/Kconfig | 14 ++ drivers/phy/canaan/Makefile | 2 + drivers/phy/canaan/phy-k230-usb.c | 272 ++++++++++++++++++++++++++++++ 5 files changed, 290 insertions(+) create mode 100644 drivers/phy/canaan/Kconfig create mode 100644 drivers/phy/canaan/Makefile create mode 100644 drivers/phy/canaan/phy-k230-usb.c diff --git a/drivers/phy/Kconfig b/drivers/phy/Kconfig index 678dd0452f0a..95e630749350 100644 --- a/drivers/phy/Kconfig +++ b/drivers/phy/Kconfig @@ -105,6 +105,7 @@ source "drivers/phy/allwinner/Kconfig" source "drivers/phy/amlogic/Kconfig" source "drivers/phy/broadcom/Kconfig" source "drivers/phy/cadence/Kconfig" +source "drivers/phy/canaan/Kconfig" source "drivers/phy/freescale/Kconfig" source "drivers/phy/hisilicon/Kconfig" source "drivers/phy/ingenic/Kconfig" diff --git a/drivers/phy/Makefile b/drivers/phy/Makefile index bfb27fb5a494..f07c68f2e283 100644 --- a/drivers/phy/Makefile +++ b/drivers/phy/Makefile @@ -17,6 +17,7 @@ obj-y +=3D allwinner/ \ amlogic/ \ broadcom/ \ cadence/ \ + canaan/ \ freescale/ \ hisilicon/ \ ingenic/ \ diff --git a/drivers/phy/canaan/Kconfig b/drivers/phy/canaan/Kconfig new file mode 100644 index 000000000000..1ff8831846d5 --- /dev/null +++ b/drivers/phy/canaan/Kconfig @@ -0,0 +1,14 @@ +# SPDX-License-Identifier: GPL-2.0-only +# +# Phy drivers for Canaan platforms +# +config PHY_CANAAN_USB + tristate "Canaan USB2 PHY Driver" + depends on (ARCH_CANAAN || COMPILE_TEST) && OF + select GENERIC_PHY + help + Enable this driver to support the USB 2.0 PHY controller + on Canaan K230 RISC-V SoCs. This PHY controller + provides physical layer functionality for USB 2.0 devices. + If you have a Canaan K230 board and need USB 2.0 support, + say Y or M here. diff --git a/drivers/phy/canaan/Makefile b/drivers/phy/canaan/Makefile new file mode 100644 index 000000000000..d73857ba284e --- /dev/null +++ b/drivers/phy/canaan/Makefile @@ -0,0 +1,2 @@ +# SPDX-License-Identifier: GPL-2.0 +obj-$(CONFIG_PHY_CANAAN_USB) +=3D phy-k230-usb.o diff --git a/drivers/phy/canaan/phy-k230-usb.c b/drivers/phy/canaan/phy-k23= 0-usb.c new file mode 100644 index 000000000000..668618fb2188 --- /dev/null +++ b/drivers/phy/canaan/phy-k230-usb.c @@ -0,0 +1,272 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Canaan usb PHY driver + * + * Copyright (C) 2025 Jiayu Du + */ + +#include +#include +#include +#include +#include +#include +#include + +#define TEST_CTL3_OFFSET 0x0C +#define CTL0_OFFSET 0x00 +#define CTL1_OFFSET 0x04 +#define USB_IDPULLUP0 BIT(4) +#define USB_DMPULLDOWN0 BIT(8) +#define USB_DPPULLDOWN0 BIT(9) + +/* USB control register 0 in HiSysConfig system controller */ +/* PLL Integral Path Tune */ +#define USB_CTL0_PLLITUNE_MASK GENMASK(23, 22) + +/* PLL Proportional Path Tune */ +#define USB_CTL0_PLLPTUNE_MASK GENMASK(21, 18) + +/* PLL Bandwidth Adjustment */ +#define USB_CTL0_PLLBTUNE_MASK GENMASK(17, 17) + +/* VReg18 Bypass Control */ +#define USB_CTL0_VREGBYPASS_MASK GENMASK(16, 16) + +/* Retention Mode Enable */ +#define USB_CTL0_RETENABLEN_MASK GENMASK(15, 15) + +/* Reserved Request Input */ +#define USB_CTL0_RESREQIN_MASK GENMASK(14, 14) + +/* External VBUS Valid Select */ +#define USB_CTL0_VBUSVLDEXTSEL0_MASK GENMASK(13, 13) + +/* OTG Block Disable Control */ +#define USB_CTL0_OTGDISABLE0_MASK GENMASK(12, 12) + +/* Drive VBUS Enable */ +#define USB_CTL0_DRVVBUS0_MASK GENMASK(11, 11) + +/* Autoresume Mode Enable */ +#define USB_CTL0_AUTORSMENB0_MASK GENMASK(10, 10) + +/* HS Transceiver Asynchronous Control */ +#define USB_CTL0_HSXCVREXTCTL0_MASK GENMASK(9, 9) + +/* USB 1.1 Transmit Data */ +#define USB_CTL0_FSDATAEXT0_MASK GENMASK(8, 8) + +/* USB 1.1 SE0 Generation */ +#define USB_CTL0_FSSE0EXT0_MASK GENMASK(7, 7) + +/* USB 1.1 Data Enable */ +#define USB_CTL0_TXENABLEN0_MASK GENMASK(6, 6) + +/* Disconnect Threshold */ +#define USB_CTL0_COMPDISTUNE0_MASK GENMASK(5, 3) + +/* Squelch Threshold */ +#define USB_CTL0_SQRXTUNE0_MASK GENMASK(2, 0) + +/* USB control register 1 in HiSysConfig system controller */ +/* Data Detect Voltage */ +#define USB_CTL1_VDATREFTUNE0_MASK GENMASK(23, 22) + +/* VBUS Valid Threshold */ +#define USB_CTL1_OTGTUNE0_MASK GENMASK(21, 19) + +/* Transmitter High-Speed Crossover */ +#define USB_CTL1_TXHSXVTUNE0_MASK GENMASK(18, 17) + +/* FS/LS Source Impedance */ +#define USB_CTL1_TXFSLSTUNE0_MASK GENMASK(16, 13) + +/* HS DC Voltage Level */ +#define USB_CTL1_TXVREFTUNE0_MASK GENMASK(12, 9) + +/* HS Transmitter Rise/Fall Time */ +#define USB_CTL1_TXRISETUNE0_MASK GENMASK(8, 7) + +/* USB Source Impedance */ +#define USB_CTL1_TXRESTUNE0_MASK GENMASK(6, 5) + +/* HS Transmitter Pre-Emphasis Current Control */ +#define USB_CTL1_TXPREEMPAMPTUNE0_MASK GENMASK(4, 3) + +/* HS Transmitter Pre-Emphasis Duration Control */ +#define USB_CTL1_TXPREEMPPULSETUNE0_MASK GENMASK(2, 2) + +/* charging detection */ +#define USB_CTL1_CHRGSRCPUENB0_MASK GENMASK(1, 0) + +#define K230_PHY_CTL0_VAL \ +( \ + FIELD_PREP(USB_CTL0_PLLITUNE_MASK, 0x0) | \ + FIELD_PREP(USB_CTL0_PLLPTUNE_MASK, 0xC) | \ + FIELD_PREP(USB_CTL0_PLLBTUNE_MASK, 0x1) | \ + FIELD_PREP(USB_CTL0_VREGBYPASS_MASK, 0x1) | \ + FIELD_PREP(USB_CTL0_RETENABLEN_MASK, 0x1) | \ + FIELD_PREP(USB_CTL0_RESREQIN_MASK, 0x0) | \ + FIELD_PREP(USB_CTL0_VBUSVLDEXTSEL0_MASK, 0x0) | \ + FIELD_PREP(USB_CTL0_OTGDISABLE0_MASK, 0x0) | \ + FIELD_PREP(USB_CTL0_DRVVBUS0_MASK, 0x1) | \ + FIELD_PREP(USB_CTL0_AUTORSMENB0_MASK, 0x0) | \ + FIELD_PREP(USB_CTL0_HSXCVREXTCTL0_MASK, 0x0) | \ + FIELD_PREP(USB_CTL0_FSDATAEXT0_MASK, 0x0) | \ + FIELD_PREP(USB_CTL0_FSSE0EXT0_MASK, 0x0) | \ + FIELD_PREP(USB_CTL0_TXENABLEN0_MASK, 0x0) | \ + FIELD_PREP(USB_CTL0_COMPDISTUNE0_MASK, 0x3) | \ + FIELD_PREP(USB_CTL0_SQRXTUNE0_MASK, 0x3) \ +) + +#define K230_PHY_CTL1_VAL \ +( \ + FIELD_PREP(USB_CTL1_VDATREFTUNE0_MASK, 0x1) | \ + FIELD_PREP(USB_CTL1_OTGTUNE0_MASK, 0x3) | \ + FIELD_PREP(USB_CTL1_TXHSXVTUNE0_MASK, 0x3) | \ + FIELD_PREP(USB_CTL1_TXFSLSTUNE0_MASK, 0x3) | \ + FIELD_PREP(USB_CTL1_TXVREFTUNE0_MASK, 0x3) | \ + FIELD_PREP(USB_CTL1_TXRISETUNE0_MASK, 0x1) | \ + FIELD_PREP(USB_CTL1_TXRESTUNE0_MASK, 0x1) | \ + FIELD_PREP(USB_CTL1_TXPREEMPAMPTUNE0_MASK, 0x0) | \ + FIELD_PREP(USB_CTL1_TXPREEMPPULSETUNE0_MASK, 0x0) | \ + FIELD_PREP(USB_CTL1_CHRGSRCPUENB0_MASK, 0x0) \ +) + +struct k230_usb_phy { + struct regmap *regmap; + u32 reg_ctl_offset; + u32 reg_test_offset; + struct clk *clk; +}; + +static int k230_usb_phy_power_on(struct phy *_phy) +{ + struct k230_usb_phy *phy =3D phy_get_drvdata(_phy); + int ret; + u32 val; + + ret =3D clk_prepare_enable(phy->clk); + if (ret) + return ret; + + ret =3D regmap_write(phy->regmap, phy->reg_ctl_offset + CTL0_OFFSET, + K230_PHY_CTL0_VAL); + if (ret) + goto err_disable_clk; + + ret =3D regmap_write(phy->regmap, phy->reg_ctl_offset + CTL1_OFFSET, + K230_PHY_CTL1_VAL); + if (ret) + goto err_disable_clk; + + val |=3D USB_IDPULLUP0 | USB_DMPULLDOWN0 | USB_DPPULLDOWN0; + + ret =3D regmap_update_bits(phy->regmap, phy->reg_test_offset + + TEST_CTL3_OFFSET, val, val); + if (ret) + goto err_disable_clk; + + return 0; + +err_disable_clk: + clk_disable_unprepare(phy->clk); + return ret; +} + +static int k230_usb_phy_power_off(struct phy *_phy) +{ + struct k230_usb_phy *phy =3D phy_get_drvdata(_phy); + int ret; + u32 val; + + val =3D USB_DMPULLDOWN0 | USB_DPPULLDOWN0; + + ret =3D regmap_update_bits(phy->regmap, phy->reg_test_offset + + TEST_CTL3_OFFSET, val, 0); + if (ret) + return ret; + + clk_disable_unprepare(phy->clk); + + return 0; +} + +static const struct phy_ops k230_usb_phy_ops =3D { + .power_on =3D k230_usb_phy_power_on, + .power_off =3D k230_usb_phy_power_off, + .owner =3D THIS_MODULE, +}; + +static int k230_usb_phy_probe(struct platform_device *pdev) +{ + int ret; + u32 offset; + struct regmap *regmap; + struct phy *generic_phy; + struct k230_usb_phy *phy; + struct phy_provider *provider; + struct device *dev =3D &pdev->dev; + + regmap =3D syscon_node_to_regmap(dev->parent->of_node); + if (IS_ERR(regmap)) + return dev_err_probe(dev, PTR_ERR(regmap), + "failed to get syscon regmap\n"); + + phy =3D devm_kzalloc(dev, sizeof(*phy), GFP_KERNEL); + if (!phy) + return -ENOMEM; + + phy->regmap =3D regmap; + + + ret =3D of_property_read_u32_index(dev->of_node, "reg", 0, &offset); + if (ret) + return dev_err_probe(dev, ret, "missing first reg offset\n"); + phy->reg_test_offset =3D offset; + + ret =3D of_property_read_u32_index(dev->of_node, "reg", 2, &offset); + if (ret) + return dev_err_probe(dev, ret, "missing second reg offset\n"); + phy->reg_ctl_offset =3D offset; + + phy->clk =3D devm_clk_get(dev, NULL); + if (IS_ERR(phy->clk)) + return dev_err_probe(dev, PTR_ERR(phy->clk), + "failed to get clock\n"); + + generic_phy =3D devm_phy_create(dev, dev->of_node, &k230_usb_phy_ops); + + if (IS_ERR(generic_phy)) + return dev_err_probe(dev, PTR_ERR(generic_phy), + "failed to create PHY\n"); + + phy_set_drvdata(generic_phy, phy); + + provider =3D devm_of_phy_provider_register(dev, of_phy_simple_xlate); + if (IS_ERR(provider)) + return dev_err_probe(dev, PTR_ERR(provider), + "failed to register phy provider\n"); + + return 0; +} + +static const struct of_device_id k230_usb_phy_of_match[] =3D { + { .compatible =3D "canaan,k230-usb-phy" }, + {} +}; +MODULE_DEVICE_TABLE(of, k230_usb_phy_of_match); + +static struct platform_driver k230_usb_phy_driver =3D { + .probe =3D k230_usb_phy_probe, + .driver =3D { + .name =3D "k230-usb-phy", + .of_match_table =3D k230_usb_phy_of_match, + }, +}; +module_platform_driver(k230_usb_phy_driver); + +MODULE_DESCRIPTION("Canaan Kendryte K230 USB 2.0 PHY driver"); +MODULE_AUTHOR("Jiayu Du "); +MODULE_LICENSE("GPL"); --=20 2.52.0 From nobody Mon Feb 9 17:06:52 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 218BC2E0418; Tue, 30 Dec 2025 02:37:58 +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=1767062281; cv=none; b=RjApJAUWH6WHZuywkSoR9d9c0RNyH903R9413vxkJ7l4L+yMjTes9N0XjE9E53JhVTfm8y6E0x4o+Eqse4OLZKJwkDZpoFiNEUiy4ue+JFdi48Jmo+xB391/erS0UNpNoZT34vXK+AnVEiWDhLGYIYTNrb45+4X9wODxKM4fzrQ= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1767062281; c=relaxed/simple; bh=S9yMTdl+moTTVgrFezuHN7qN2o2AqmVlH8Z7ugR8IYA=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=RC2UoKkCjWLc33sWr34yokLSBFQtFfGPrUuuxp7kGrN2NcBT0j1VoRGPyvMzLN4fzpr2zWXpO8RRlGs2V8dMxNrzrsSRbwnv18xpmU4O9q+iYydA/mnFMMKLzrviYR6WzXy1/4+q/UaZq4JgbfTrHDChOJ4s7j6uGjpwNyaOONE= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=isrc.iscas.ac.cn; spf=pass smtp.mailfrom=isrc.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=isrc.iscas.ac.cn Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=isrc.iscas.ac.cn Received: from duge-virtual-machine (unknown [223.160.207.108]) by APP-01 (Coremail) with SMTP id qwCowACXQW3oOlNpIqZOAg--.5334S7; Tue, 30 Dec 2025 10:37:45 +0800 (CST) From: Jiayu Du To: conor@kernel.org Cc: vkoul@kernel.org, gregkh@linuxfoundation.org, pjw@kernel.org, palmer@dabbelt.com, aou@eecs.berkeley.edu, alex@ghiti.fr, neil.armstrong@linaro.org, krzk+dt@kernel.org, jiayu.riscv@isrc.iscas.ac.cn, linux-riscv@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-phy@lists.infradead.org, linux-usb@vger.kernel.org Subject: [PATCH 5/5] riscv: dts: canaan: Add syscon and USB nodes for K230 Date: Tue, 30 Dec 2025 10:37:24 +0800 Message-ID: <20251230023725.15966-6-jiayu.riscv@isrc.iscas.ac.cn> X-Mailer: git-send-email 2.52.0 In-Reply-To: <20251230023725.15966-1-jiayu.riscv@isrc.iscas.ac.cn> References: <20251230023725.15966-1-jiayu.riscv@isrc.iscas.ac.cn> 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: qwCowACXQW3oOlNpIqZOAg--.5334S7 X-Coremail-Antispam: 1UD129KBjvJXoWxCFy8KF4xZw1fXr1UXw17GFg_yoW5XFy3p3 srCFZ8Kr93Wr4S93W29340gF93GFWkGFyfGrn8AFyUGr4UZa4q9w1rJryfZF1UXF47G3y2 yFZYqryxKr4jyw7anT9S1TB71UUUUU7qnTZGkaVYY2UrUUUUjbIjqfuFe4nvWSU5nxnvy2 9KBjDU0xBIdaVrnRJUUUmI14x267AKxVWrJVCq3wAFc2x0x2IEx4CE42xK8VAvwI8IcIk0 rVWUuVWrJwAFIxvE14AKwVWUJVWUGwA2048vs2IY020E87I2jVAFwI0_JF0E3s1l82xGYI kIc2x26xkF7I0E14v26ryj6s0DM28lY4IEw2IIxxk0rwA2F7IY1VAKz4vEj48ve4kI8wA2 z4x0Y4vE2Ix0cI8IcVAFwI0_JFI_Gr1l84ACjcxK6xIIjxv20xvEc7CjxVAFwI0_Cr0_Gr 1UM28EF7xvwVC2z280aVAFwI0_Jr0_Gr1l84ACjcxK6I8E87Iv6xkF7I0E14v26r4j6r4U JwAS0I0E0xvYzxvE52x082IY62kv0487Mc02F40EFcxC0VAKzVAqx4xG6I80ewAv7VC0I7 IYx2IY67AKxVWUJVWUGwAv7VC2z280aVAFwI0_Jr0_Gr1lOx8S6xCaFVCjc4AY6r1j6r4U M4x0Y48IcxkI7VAKI48JM4x0x7Aq67IIx4CEVc8vx2IErcIFxwACI402YVCY1x02628vn2 kIc2xKxwCY1x0262kKe7AKxVWUtVW8ZwCF04k20xvY0x0EwIxGrwCFx2IqxVCFs4IE7xkE bVWUJVW8JwC20s026c02F40E14v26r1j6r18MI8I3I0E7480Y4vE14v26r106r1rMI8E67 AF67kF1VAFwI0_Jw0_GFylIxkGc2Ij64vIr41lIxAIcVC0I7IYx2IY67AKxVWUCVW8JwCI 42IY6xIIjxv20xvEc7CjxVAFwI0_Cr0_Gr1UMIIF0xvE42xK8VAvwI8IcIk0rVWUJVWUCw CI42IY6I8E87Iv67AKxVWUJVW8JwCI42IY6I8E87Iv6xkF7I0E14v26r4j6r4UJbIYCTnI WIevJa73UjIFyTuYvjfUOyIUUUUUU X-CM-SenderInfo: 5mld534oul2uny6l223fol2u1dvotugofq/ Content-Type: text/plain; charset="utf-8" Add top syscon and USB PHY subdevice nodes, USB0/USB1 dwc2 controller to K230 DTSI, and enable UART0 and USB0/USB1 in DshanPI DT. Signed-off-by: Jiayu Du --- .../boot/dts/canaan/k230-canmv-dshanpi.dts | 21 ++++++++ arch/riscv/boot/dts/canaan/k230.dtsi | 51 +++++++++++++++++++ 2 files changed, 72 insertions(+) diff --git a/arch/riscv/boot/dts/canaan/k230-canmv-dshanpi.dts b/arch/riscv= /boot/dts/canaan/k230-canmv-dshanpi.dts index 4f95b534ee87..622d273d723a 100644 --- a/arch/riscv/boot/dts/canaan/k230-canmv-dshanpi.dts +++ b/arch/riscv/boot/dts/canaan/k230-canmv-dshanpi.dts @@ -80,3 +80,24 @@ &uart0 { pinctrl-0 =3D <&uart0_pins>; status =3D "okay"; }; + +&usb0 { + vusb_d-supply =3D <&vdd_3v3>; + vusb_a-supply =3D <&vdd_1v8>; + status =3D "okay"; +}; + +&usb1 { + dr_mode =3D "host"; + vusb_d-supply =3D <&vdd_3v3>; + vusb_a-supply =3D <&vdd_1v8>; + status =3D "okay"; +}; + +&usbphy0 { + status =3D "okay"; +}; + +&usbphy1 { + status =3D "okay"; +}; diff --git a/arch/riscv/boot/dts/canaan/k230.dtsi b/arch/riscv/boot/dts/can= aan/k230.dtsi index b815a65e02b9..825728727425 100644 --- a/arch/riscv/boot/dts/canaan/k230.dtsi +++ b/arch/riscv/boot/dts/canaan/k230.dtsi @@ -148,5 +148,56 @@ uart4: serial@91404000 { reg-shift =3D <2>; status =3D "disabled"; }; + + usb0: usb@91500000 { + compatible =3D "canaan,k230-usb", "snps,dwc2"; + reg =3D <0x0 0x91500000 0x0 0x40000>; + interrupts =3D <173 IRQ_TYPE_LEVEL_HIGH>; + clocks =3D <&sysclk K230_USB_480M_RATE>; + clock-names =3D "otg"; + g-rx-fifo-size =3D <512>; + g-np-tx-fifo-size =3D <64>; + g-tx-fifo-size =3D <512 1024 64 64 64 64>; + phys =3D <&usbphy0>; + phy-names =3D "usb2-phy"; + status =3D "disabled"; + }; + + usb1: usb@91540000 { + compatible =3D "canaan,k230-usb", "snps,dwc2"; + reg =3D <0x0 0x91540000 0x0 0x40000>; + interrupts =3D <174 IRQ_TYPE_LEVEL_HIGH>; + clocks =3D <&sysclk K230_USB_480M_RATE>; + clock-names =3D "otg"; + g-rx-fifo-size =3D <512>; + g-np-tx-fifo-size =3D <64>; + g-tx-fifo-size =3D <512 1024 64 64 64 64>; + phys =3D <&usbphy1>; + phy-names =3D "usb2-phy"; + status =3D "disabled"; + }; + + hi_sys_config: syscon@91585000 { + compatible =3D "canaan,k230-hisys-cfg", "syscon", "simple-mfd"; + reg =3D <0x0 0x91585000 0x0 0x400>; + #address-cells =3D <1>; + #size-cells =3D <1>; + + usbphy0: usb-phy@70 { + compatible =3D "canaan,k230-usb-phy"; + reg =3D <0x70 0x1C>, <0xb0 0x8>; + clocks =3D <&sysclk K230_HS_USB0_AHB_GATE>; + #phy-cells =3D <0>; + status =3D "disabled"; + }; + + usbphy1: usb-phy@90 { + compatible =3D "canaan,k230-usb-phy"; + reg =3D <0x90 0x1C>, <0xb8 0x8>; + clocks =3D <&sysclk K230_HS_USB1_AHB_GATE>; + #phy-cells =3D <0>; + status =3D "disabled"; + }; + }; }; }; --=20 2.52.0