From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from azure-sdnproxy.icoremail.net (azure-sdnproxy.icoremail.net [207.46.229.174]) by smtp.subspace.kernel.org (Postfix) with ESMTP id BE6A03859F3; Tue, 7 Apr 2026 06:17:51 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=207.46.229.174 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1775542682; cv=none; b=AuIWhC6b5AZmam6pRQNQYWvlSPJT5e4/saDIbGsYi30KcQ0qEtLZfFHOGh0vzHnxK24Z2fSaFQH/p46up88ouZ+wkoCWAL0yhgG7f1vie3tFZxY6gHjUVjsGu3ainr6jnGcfmw8DoPFWZaiQX9dKgclAb52d5YUZUkIcvve1CzI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1775542682; c=relaxed/simple; bh=AE7++OzVyS2uYHOPGoJ81l6ph3jdIaPhRW3+Fg5L0tk=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=XWCkJbM/sxzgB3DSyrMh5TeSIk+GZYIYiyrSCtNVQ/hzBB632Ry2QDxuOOiFJpgBElAZGwmkvErJgi21+4facBjTjjWG3g8ZeCjD19Yhbs/OyejekSnfWkEu3nMn63Z1sEhIPqi277T2/N4XPs9/dCzKJ6tWpNsHvNQJrGE79E4= 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=207.46.229.174 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 TQJkCgDn_J95odRpo7APAA--.792S4; Tue, 07 Apr 2026 14:17:32 +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 Subject: [PATCH v1] dt-bindings: usb: Fix EIC7700 USB reset's issue Date: Tue, 7 Apr 2026 14:17:02 +0800 Message-ID: <20260407061703.1564-1-caohang@eswincomputing.com> X-Mailer: git-send-email 2.45.1.windows.1 Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CM-TRANSID:TQJkCgDn_J95odRpo7APAA--.792S4 X-Coremail-Antispam: 1UD129KBjvJXoW7uFWkur13Jr4UtFyUtF4ruFg_yoW8Wr1kpF WxGFZ7GF1xZr1fuayUXF1vkw1fX3Z3AFyYkFWxCa17JFnrX3s0gr4ayrn0qFy8Cr4xZFW3 XFWag3y5A342yrJanT9S1TB71UUUUU7qnTZGkaVYY2UrUUUUjbIjqfuFe4nvWSU5nxnvy2 9KBjDU0xBIdaVrnRJUUU9E14x267AKxVW8JVW5JwAFc2x0x2IEx4CE42xK8VAvwI8IcIk0 rVWrJVCq3wAFIxvE14AKwVWUJVWUGwA2ocxC64kIII0Yj41l84x0c7CEw4AK67xGY2AK02 1l84ACjcxK6xIIjxv20xvE14v26F1j6w1UM28EF7xvwVC0I7IYx2IY6xkF7I0E14v26r4U JVWxJr1l84ACjcxK6I8E87Iv67AKxVW0oVCq3wA2z4x0Y4vEx4A2jsIEc7CjxVAFwI0_Gc CE3s1le2I262IYc4CY6c8Ij28IcVAaY2xG8wAqx4xG64xvF2IEw4CE5I8CrVC2j2WlYx0E 2Ix0cI8IcVAFwI0_Jr0_Jr4lYx0Ex4A2jsIE14v26r1j6r4UMcvjeVCFs4IE7xkEbVWUJV W8JwACjcxG0xvY0x0EwIxGrwACjI8F5VA0II8E6IAqYI8I648v4I1lFIxGxcIEc7CjxVA2 Y2ka0xkIwI1lw4CEc2x0rVAKj4xxMxkF7I0En4kS14v26r1q6r43MxAIw28IcxkI7VAKI4 8JMxC20s026xCaFVCjc4AY6r1j6r4UMI8I3I0E5I8CrVAFwI0_Jr0_Jr4lx2IqxVCjr7xv wVAFwI0_JrI_JrWlx4CE17CEb7AF67AKxVWUtVW8ZwCIc40Y0x0EwIxGrwCI42IY6xIIjx v20xvE14v26r1j6r1xMIIF0xvE2Ix0cI8IcVCY1x0267AKxVW8JVWxJwCI42IY6xAIw20E Y4v20xvaj40_Jr0_JF4lIxAIcVC2z280aVAFwI0_Jr0_Gr1lIxAIcVC2z280aVCY1x0267 AKxVW8JVW8JrUvcSsGvfC2KfnxnUUI43ZEXa7VUbknY7UUUUU== X-CM-SenderInfo: xfdrxt1qj6v25zlqu0xpsx3x1qjou0bp/ From: Hang Cao The EIC7700 USB controller requires a USB PHY RESET operation.PHY RESET operation was missed in the verification version, as it was performed in ESWIN's U-Boot. If a non-ESWIN provided loader is used, this issue will occur, resulting in USB not work.This patch does not introduce any backward incompatibility since the dts is not upstream yet. Fixes: c640a4239db5 ("dt-bindings: usb: Add ESWIN EIC7700 USB controller") Signed-off-by: Hang Cao --- .../devicetree/bindings/usb/eswin,eic7700-usb.yaml | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/Documentation/devicetree/bindings/usb/eswin,eic7700-usb.yaml b/Documentation/devicetree/bindings/usb/eswin,eic7700-usb.yaml index 41c3b1b98991..658260619423 100644 --- a/Documentation/devicetree/bindings/usb/eswin,eic7700-usb.yaml +++ b/Documentation/devicetree/bindings/usb/eswin,eic7700-usb.yaml @@ -41,12 +41,13 @@ properties: - const: usb_en resets: - maxItems: 2 + maxItems: 3 reset-names: items: - const: vaux - const: usb_rst + - const: usb_phy eswin,hsp-sp-csr: description: @@ -85,8 +86,8 @@ examples: interrupt-parent = <&plic>; interrupts = <85>; interrupt-names = "peripheral"; - resets = <&reset 84>, <&hspcrg 2>; - reset-names = "vaux", "usb_rst"; + resets = <&reset 84>, <&hspcrg 2>, <&hspcrg 4>; + reset-names = "vaux", "usb_rst", "usb_phy"; dr_mode = "peripheral"; maximum-speed = "high-speed"; phy_type = "utmi"; -- 2.34.1