From mboxrd@z Thu Jan 1 00:00:00 1970 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: 8bit 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/ 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-generic-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" +#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); } +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 = 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 = args[0]; + hsp_usb_axi_lp = 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 *pdev) else probe_data.properties = DWC3_DEFAULT_PROPERTIES; + if (of_device_is_compatible(dev->of_node, "eswin,eic7700-dwc3")) { + ret = dwc3_eic7700_pre_init(dev); + if (ret) + return dev_err_probe(dev, ret, "eic7700 init fail\n"); + } + ret = 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 = { static const struct of_device_id dwc3_generic_of_match[] = { { .compatible = "spacemit,k1-dwc3", }, { .compatible = "fsl,ls1028a-dwc3", &fsl_ls1028_dwc3}, + { .compatible = "eswin,eic7700-dwc3",}, { /* sentinel */ } }; MODULE_DEVICE_TABLE(of, dwc3_generic_of_match); -- 2.34.1