From nobody Sun Feb 8 07:42:48 2026 Received: from zg8tmty1ljiyny4xntuumtyw.icoremail.net (zg8tmty1ljiyny4xntuumtyw.icoremail.net [165.227.155.160]) by smtp.subspace.kernel.org (Postfix) with ESMTP id F1A632DC342; Tue, 4 Nov 2025 06:52:27 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=165.227.155.160 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1762239151; cv=none; b=XHes1yCi33YNqdTjQRVNx2ChIzH5mC/cwLulN2m6SnS7NC2b1BpNhFFJB0emIjiWzvP/DPlI+LJEsfp7YaCQlggTdliiqggjXWuAsZAzCIEDhfrQgiHtUdIF+s/lv4jzDu1672IZ8wWlQO//TosL4gRbl9rH3O6B7fm+S7dHCmk= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1762239151; c=relaxed/simple; bh=B21G6fkjO6d0w0kUyre4N4ashMoTQh6jMFPdYh4RKLs=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=P1yCs+0AgQ85v1lQLo+7hloVYUUHc3Z5z0+qBIwe818aryaxY3HjygexF1l+80YwdO3man9EFxGqtXzSV0dsztbWDJMieCSrHnlD0zery8UkXEOzhWVG/o0YjK5ZIFFq4fizG+ZcLqamdZ7O5BNv/EeL4LhvHXX4fd6jPPswhoQ= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=eswincomputing.com; spf=pass smtp.mailfrom=eswincomputing.com; arc=none smtp.client-ip=165.227.155.160 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=eswincomputing.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=eswincomputing.com Received: from E0006493LT.eswin.cn (unknown [10.127.112.153]) by app1 (Coremail) with SMTP id TAJkCgDn7muWoglpvZAiAA--.8300S4; Tue, 04 Nov 2025 14:52:07 +0800 (CST) From: caohang@eswincomputing.com To: gregkh@linuxfoundation.org, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, Thinh.Nguyen@synopsys.com, p.zabel@pengutronix.de, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, devicetree@vger.kernel.org Cc: ningyu@eswincomputing.com, linmin@eswincomputing.com, pinkesh.vaghela@einfochips.com, Hang Cao , Senchuan Zhang Subject: [PATCH v5 1/2] dt-bindings: usb: Add ESWIN EIC7700 USB controller Date: Tue, 4 Nov 2025 14:52:02 +0800 Message-ID: <20251104065202.1496-1-caohang@eswincomputing.com> X-Mailer: git-send-email 2.45.1.windows.1 In-Reply-To: <20251104065045.1464-1-caohang@eswincomputing.com> References: <20251104065045.1464-1-caohang@eswincomputing.com> 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: TAJkCgDn7muWoglpvZAiAA--.8300S4 X-Coremail-Antispam: 1UD129KBjvJXoWxZw4UCFW3Ar4rAr4kur17Wrg_yoW5WryDpa 97GayDGr4fXr1fWa18KF10kFn3J3Z3CF10krZ7Ja17tr9Yga4Fqw4akFy5Wa4UCr1xZrW5 WFWY934Sy3y7ArJanT9S1TB71UUUUU7qnTZGkaVYY2UrUUUUjbIjqfuFe4nvWSU5nxnvy2 9KBjDU0xBIdaVrnRJUUUBv14x267AKxVW8JVW5JwAFc2x0x2IEx4CE42xK8VAvwI8IcIk0 rVWrJVCq3wAFIxvE14AKwVWUJVWUGwA2ocxC64kIII0Yj41l84x0c7CEw4AK67xGY2AK02 1l84ACjcxK6xIIjxv20xvE14v26w1j6s0DM28EF7xvwVC0I7IYx2IY6xkF7I0E14v26r4U JVWxJr1l84ACjcxK6I8E87Iv67AKxVW0oVCq3wA2z4x0Y4vEx4A2jsIEc7CjxVAFwI0_Gc CE3s1le2I262IYc4CY6c8Ij28IcVAaY2xG8wAqx4xG64xvF2IEw4CE5I8CrVC2j2WlYx0E 2Ix0cI8IcVAFwI0_JrI_JrylYx0Ex4A2jsIE14v26r1j6r4UMcvjeVCFs4IE7xkEbVWUJV W8JwACjcxG0xvY0x0EwIxGrwACjI8F5VA0II8E6IAqYI8I648v4I1lFIxGxcIEc7CjxVA2 Y2ka0xkIwI1lw4CEc2x0rVAKj4xxMxkF7I0En4kS14v26r1q6r43MxkIecxEwVCm-wCF04 k20xvY0x0EwIxGrwCFx2IqxVCFs4IE7xkEbVWUJVW8JwC20s026c02F40E14v26r1j6r18 MI8I3I0E7480Y4vE14v26r106r1rMI8E67AF67kF1VAFwI0_Jw0_GFylIxkGc2Ij64vIr4 1lIxAIcVC0I7IYx2IY67AKxVWUJVWUCwCI42IY6xIIjxv20xvEc7CjxVAFwI0_Gr0_Cr1l IxAIcVCF04k26cxKx2IYs7xG6r1j6r1xMIIF0xvEx4A2jsIE14v26r1j6r4UMIIF0xvEx4 A2jsIEc7CjxVAFwI0_Gr0_Gr1UYxBIdaVFxhVjvjDU0xZFpf9x0JUXJ5wUUUUU= X-CM-SenderInfo: xfdrxt1qj6v25zlqu0xpsx3x1qjou0bp/ Content-Type: text/plain; charset="utf-8" From: Hang Cao Add Device Tree binding documentation for the ESWIN EIC7700 usb controller module. Signed-off-by: Senchuan Zhang Signed-off-by: Hang Cao --- .../bindings/usb/eswin,eic7700-usb.yaml | 94 +++++++++++++++++++ 1 file changed, 94 insertions(+) create mode 100644 Documentation/devicetree/bindings/usb/eswin,eic7700-usb= .yaml diff --git a/Documentation/devicetree/bindings/usb/eswin,eic7700-usb.yaml b= /Documentation/devicetree/bindings/usb/eswin,eic7700-usb.yaml new file mode 100644 index 000000000000..41c3b1b98991 --- /dev/null +++ b/Documentation/devicetree/bindings/usb/eswin,eic7700-usb.yaml @@ -0,0 +1,94 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/usb/eswin,eic7700-usb.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: ESWIN EIC7700 SoC Usb Controller + +maintainers: + - Wei Yang + - Senchuan Zhang + - Hang Cao + +description: + The Usb controller on EIC7700 SoC. + +allOf: + - $ref: snps,dwc3-common.yaml# + +properties: + compatible: + const: eswin,eic7700-dwc3 + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + interrupt-names: + items: + - const: peripheral + + clocks: + maxItems: 3 + + clock-names: + items: + - const: aclk + - const: cfg + - const: usb_en + + resets: + maxItems: 2 + + reset-names: + items: + - const: vaux + - const: usb_rst + + eswin,hsp-sp-csr: + description: + HSP CSR is to control and get status of different high-speed periphe= rals + (such as Ethernet, USB, SATA, etc.) via register, which can tune + board-level's parameters of PHY, etc. + $ref: /schemas/types.yaml#/definitions/phandle-array + items: + - items: + - description: phandle to HSP Register Controller hsp_sp_csr nod= e. + - description: USB bus register offset. + - description: AXI low power register offset. + +required: + - compatible + - reg + - clocks + - clock-names + - interrupts + - interrupt-names + - resets + - reset-names + - eswin,hsp-sp-csr + +unevaluatedProperties: false + +examples: + - | + usb@50480000 { + compatible =3D "eswin,eic7700-dwc3"; + reg =3D <0x50480000 0x10000>; + clocks =3D <&clock 135>, + <&clock 136>, + <&hspcrg 18>; + clock-names =3D "aclk", "cfg", "usb_en"; + interrupt-parent =3D <&plic>; + interrupts =3D <85>; + interrupt-names =3D "peripheral"; + resets =3D <&reset 84>, <&hspcrg 2>; + reset-names =3D "vaux", "usb_rst"; + dr_mode =3D "peripheral"; + maximum-speed =3D "high-speed"; + phy_type =3D "utmi"; + eswin,hsp-sp-csr =3D <&hsp_sp_csr 0x800 0x818>; + }; --=20 2.34.1 From nobody Sun Feb 8 07:42:48 2026 Received: from azure-sdnproxy.icoremail.net (l-sdnproxy.icoremail.net [20.188.111.126]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 001B428C854; Tue, 4 Nov 2025 06:52:55 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=20.188.111.126 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1762239179; cv=none; b=Zqwn4AkWJsuWMUYT7kfc8H3Yn9a0SjTrIVioQUmlJE69bQWbwLHEQJjgLUUFkWvqkt9c62hFL7oVa0Xf0EArWJnBL+AEA5v+w7OhvOBdnx7KC7DMszSiNoxNCgfwlu/Na6uKBqgyxSeeLgxEo000AbxX4xTLES5YKWY5ohgftl0= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1762239179; c=relaxed/simple; bh=hQ/ZtY9OF1joKZSrQToCv+8b9j7Rq8+/+XJFW0yXm9I=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=HvZe0dsiOs0FhvE3a4+KSyXPH0KVFPOFIx63f2pRhvhXGk+ZV4vqzPqNQsa/naFnySz7xuH8F1XpzY6NCm8FETTJls67ePwa+PYr0ydJggmexnX6uUCmypjw+T6wce4xuagGZx7oAkTL2JSP6W8BbgKrpn0Z7c7D7lWLGrh6Mi8= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=eswincomputing.com; spf=pass smtp.mailfrom=eswincomputing.com; arc=none smtp.client-ip=20.188.111.126 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=eswincomputing.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=eswincomputing.com Received: from E0006493LT.eswin.cn (unknown [10.127.112.153]) by app2 (Coremail) with SMTP id TQJkCgAHSq25oglpeo4iAA--.58890S4; Tue, 04 Nov 2025 14:52:43 +0800 (CST) From: caohang@eswincomputing.com To: gregkh@linuxfoundation.org, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, Thinh.Nguyen@synopsys.com, p.zabel@pengutronix.de, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, devicetree@vger.kernel.org Cc: ningyu@eswincomputing.com, linmin@eswincomputing.com, pinkesh.vaghela@einfochips.com, Hang Cao , Senchuan Zhang Subject: [PATCH v5 2/2] usb: dwc3: eic7700: Add EIC7700 USB driver Date: Tue, 4 Nov 2025 14:52:26 +0800 Message-ID: <20251104065226.1513-1-caohang@eswincomputing.com> X-Mailer: git-send-email 2.45.1.windows.1 In-Reply-To: <20251104065045.1464-1-caohang@eswincomputing.com> References: <20251104065045.1464-1-caohang@eswincomputing.com> 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: TQJkCgAHSq25oglpeo4iAA--.58890S4 X-Coremail-Antispam: 1UD129KBjvJXoWxAryrZr45Cw15ZF4xKw17ZFb_yoW5AFykpF 4vkFyYkrZ5Gr4xKan3t3Z5AF1fKan7GryrtryxG3ZFvw1Dt34DGr18Wa4Fqr95GryfXFy5 Jw4kJrWfCF47ZrJanT9S1TB71UUUUU7qnTZGkaVYY2UrUUUUjbIjqfuFe4nvWSU5nxnvy2 9KBjDU0xBIdaVrnRJUUUBv14x267AKxVW8JVW5JwAFc2x0x2IEx4CE42xK8VAvwI8IcIk0 rVWrJVCq3wAFIxvE14AKwVWUJVWUGwA2ocxC64kIII0Yj41l84x0c7CEw4AK67xGY2AK02 1l84ACjcxK6xIIjxv20xvE14v26w1j6s0DM28EF7xvwVC0I7IYx2IY6xkF7I0E14v26r4U JVWxJr1l84ACjcxK6I8E87Iv67AKxVW0oVCq3wA2z4x0Y4vEx4A2jsIEc7CjxVAFwI0_Gc CE3s1le2I262IYc4CY6c8Ij28IcVAaY2xG8wAqx4xG64xvF2IEw4CE5I8CrVC2j2WlYx0E 2Ix0cI8IcVAFwI0_Jrv_JF1lYx0Ex4A2jsIE14v26r1j6r4UMcvjeVCFs4IE7xkEbVWUJV W8JwACjcxG0xvY0x0EwIxGrwACjI8F5VA0II8E6IAqYI8I648v4I1lFIxGxcIEc7CjxVA2 Y2ka0xkIwI1lw4CEc2x0rVAKj4xxMxkF7I0En4kS14v26r1q6r43MxkIecxEwVCm-wCF04 k20xvY0x0EwIxGrwCFx2IqxVCFs4IE7xkEbVWUJVW8JwC20s026c02F40E14v26r1j6r18 MI8I3I0E7480Y4vE14v26r106r1rMI8E67AF67kF1VAFwI0_Jw0_GFylIxkGc2Ij64vIr4 1lIxAIcVC0I7IYx2IY67AKxVWUJVWUCwCI42IY6xIIjxv20xvEc7CjxVAFwI0_Gr0_Cr1l IxAIcVCF04k26cxKx2IYs7xG6r1j6r1xMIIF0xvEx4A2jsIE14v26r1j6r4UMIIF0xvEx4 A2jsIEc7CjxVAFwI0_Gr0_Gr1UYxBIdaVFxhVjvjDU0xZFpf9x0JUHCJQUUUUU= X-CM-SenderInfo: xfdrxt1qj6v25zlqu0xpsx3x1qjou0bp/ Content-Type: text/plain; charset="utf-8" From: Hang Cao Add the eic7700 usb driver, which is responsible for identifying,configuring and connecting usb devices. Signed-off-by: Senchuan Zhang Signed-off-by: Hang Cao --- drivers/usb/dwc3/dwc3-generic-plat.c | 43 ++++++++++++++++++++++++++++ 1 file changed, 43 insertions(+) diff --git a/drivers/usb/dwc3/dwc3-generic-plat.c b/drivers/usb/dwc3/dwc3-g= eneric-plat.c index 770fedc16bb8..89ad952a4a4c 100644 --- a/drivers/usb/dwc3/dwc3-generic-plat.c +++ b/drivers/usb/dwc3/dwc3-generic-plat.c @@ -10,8 +10,16 @@ #include #include #include +#include +#include #include "glue.h" =20 +#define EIC7700_HSP_BUS_FILTER_EN BIT(0) +#define EIC7700_HSP_BUS_CLKEN_GM BIT(9) +#define EIC7700_HSP_BUS_CLKEN_GS BIT(16) +#define EIC7700_HSP_AXI_LP_XM_CSYSREQ BIT(0) +#define EIC7700_HSP_AXI_LP_XS_CSYSREQ BIT(16) + struct dwc3_generic { struct device *dev; struct dwc3 dwc; @@ -27,6 +35,34 @@ static void dwc3_generic_reset_control_assert(void *data) reset_control_assert(data); } =20 +static int dwc3_eic7700_pre_init(struct device *dev) +{ + struct regmap *regmap; + u32 hsp_usb_axi_lp; + u32 hsp_usb_bus; + u32 args[2]; + u32 val; + + regmap =3D syscon_regmap_lookup_by_phandle_args(dev->of_node, + "eswin,hsp-sp-csr", + ARRAY_SIZE(args), args); + if (IS_ERR(regmap)) { + dev_err(dev, "No hsp-sp-csr phandle specified\n"); + return PTR_ERR(regmap); + } + + hsp_usb_bus =3D args[0]; + hsp_usb_axi_lp =3D args[1]; + + regmap_read(regmap, hsp_usb_bus, &val); + regmap_write(regmap, hsp_usb_bus, val | EIC7700_HSP_BUS_FILTER_EN | + EIC7700_HSP_BUS_CLKEN_GM | EIC7700_HSP_BUS_CLKEN_GS); + + regmap_write(regmap, hsp_usb_axi_lp, EIC7700_HSP_AXI_LP_XM_CSYSREQ | + EIC7700_HSP_AXI_LP_XS_CSYSREQ); + return 0; +} + static int dwc3_generic_probe(struct platform_device *pdev) { const struct dwc3_properties *properties; @@ -83,6 +119,12 @@ static int dwc3_generic_probe(struct platform_device *p= dev) else probe_data.properties =3D DWC3_DEFAULT_PROPERTIES; =20 + if (of_device_is_compatible(dev->of_node, "eswin,eic7700-dwc3")) { + ret =3D dwc3_eic7700_pre_init(dev); + if (ret) + return dev_err_probe(dev, ret, "eic7700 init fail\n"); + } + ret =3D dwc3_core_probe(&probe_data); if (ret) return dev_err_probe(dev, ret, "failed to register DWC3 Core\n"); @@ -160,6 +202,7 @@ static const struct dwc3_properties fsl_ls1028_dwc3 =3D= { static const struct of_device_id dwc3_generic_of_match[] =3D { { .compatible =3D "spacemit,k1-dwc3", }, { .compatible =3D "fsl,ls1028a-dwc3", &fsl_ls1028_dwc3}, + { .compatible =3D "eswin,eic7700-dwc3",}, { /* sentinel */ } }; MODULE_DEVICE_TABLE(of, dwc3_generic_of_match); --=20 2.34.1