From patchwork Sun Nov 27 07:31:36 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Icenowy Zheng X-Patchwork-Id: 13056634 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id B4637C352A1 for ; Sun, 27 Nov 2022 07:33:36 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=19AVW8vT8KcYjJ30ubGmBQIfJcacpAtSXujSyRVci5U=; b=0qGi06nHMI88LY y8zJKUfI1jX2x9lVv9RqE7b1lRtWrOfWqShzz3ude7SoJHFXEaa7EEGyinCPMZQyyO3hixqQ4qLTS MJ9yFg1/pW8qOph4j9dTY/IRG505EgU9vRhHXWwOkTzhpwGTlK3eV2rjBogc06GoKEMQuHU7lU3vZ qE73dEPNEo/WXw34EMplsfS3LIL5toN2an++nZu6fYNoiSQr8zNEUTrk+J7H6Leau6SKD1WA/FECp 1xQigQrJ5zh2Sa0QeYPbUQb5L4lLIyitrLuHJVX05z01bp7dWIjSuw0eX68L/lpVP3rGOQ5dczAbo OIbaw4v+t9OmlM11bn4w==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1ozC9L-00AIWw-Bq; Sun, 27 Nov 2022 07:32:27 +0000 Received: from sender4-op-o18.zoho.com ([136.143.188.18]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1ozC9A-00AIS5-IN for linux-arm-kernel@lists.infradead.org; Sun, 27 Nov 2022 07:32:18 +0000 ARC-Seal: i=1; a=rsa-sha256; t=1669534332; cv=none; d=zohomail.com; s=zohoarc; b=Y+/S6KSQmJ4YwNXfHe55b213QfStSast38O08enHhPq1yxXk4komFAx0q+9Pc3xIS9HY4y23JQ4vCK7+pv3jfne+gVl1odRyq8s3Rzk5u3m+5BcIDtMxPm3B2AKoPIUWzlQy7amKH3zFxwZMf0/k6do5n1+2LxFZo+rH85BT5GE= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1669534332; h=Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:MIME-Version:Message-ID:References:Subject:To; bh=1C6hqrooialxkZsBgfuBXMNuzsLUfOjDavC8s3kDHqQ=; b=UzyDmdyRLGDtpeVzO9glIHL/10FDuFpEz37C3i5qup1dl5zAdc7xpZw/cI8Gg7m1FmJ/8HkFlaBWEL7RIOtJukcnX2Bvjz9wjMIa+vAR/PzXIE+lbJtNJUxgYHnrn3PFq6nQb0uX3RVCL8FFnImu8Z15i6I1WeWKex/4pdq+mxY= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass header.i=icenowy.me; spf=pass smtp.mailfrom=uwu@icenowy.me; dmarc=pass header.from= DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; t=1669534332; s=zmail; d=icenowy.me; i=uwu@icenowy.me; h=From:From:To:To:Cc:Cc:Subject:Subject:Date:Date:Message-Id:Message-Id:In-Reply-To:References:MIME-Version:Content-Transfer-Encoding:Reply-To; bh=1C6hqrooialxkZsBgfuBXMNuzsLUfOjDavC8s3kDHqQ=; b=bKbavFVeOxu6psP6wsB5jYdfZy01IGOH/aYEutrLVjW2slxafIOgpQLpQg6wb0yQ I49AP9dP7VWci9D1EGNRHjoaBrjGj3XxTsgd2WWExX7HAt4ok4LJ13wVMdM43j1LNfn 4fpOkLDHNPdPpqiwKh10CXPsCNQd8q8Mrd0/Pg8w= Received: from edelgard.fodlan.icenowy.me (112.94.100.108 [112.94.100.108]) by mx.zohomail.com with SMTPS id 1669534331301345.07916607731534; Sat, 26 Nov 2022 23:32:11 -0800 (PST) From: Icenowy Zheng To: Rob Herring , Krzysztof Kozlowski , Chen-Yu Tsai , Jernej Skrabec , Samuel Holland , Greg Kroah-Hartman , Matthias Kaehlcke , Andre Przywara Cc: devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-sunxi@lists.linux.dev, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, Icenowy Zheng Subject: [PATCH 2/6] dt-bindings: usb: Add binding for Genesys Logic GL850G hub controller Date: Sun, 27 Nov 2022 15:31:36 +0800 Message-Id: <20221127073140.2093897-3-uwu@icenowy.me> X-Mailer: git-send-email 2.37.1 In-Reply-To: <20221127073140.2093897-1-uwu@icenowy.me> References: <20221127073140.2093897-1-uwu@icenowy.me> MIME-Version: 1.0 X-ZohoMailClient: External X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20221126_233216_713348_EA423EF5 X-CRM114-Status: GOOD ( 13.05 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org The Genesys Logic GL850G is a USB 2.0 Single TT hub controller that features 4 downstream ports, an internal 5V-to-3.3V LDO regulator (can be bypassed) and an external reset pin. Add a device tree binding for its USB protocol part. The internal LDO is not covered by this and can just be modelled as a fixed regulator. Signed-off-by: Icenowy Zheng --- .../bindings/usb/genesys,gl850g.yaml | 48 +++++++++++++++++++ 1 file changed, 48 insertions(+) create mode 100644 Documentation/devicetree/bindings/usb/genesys,gl850g.yaml diff --git a/Documentation/devicetree/bindings/usb/genesys,gl850g.yaml b/Documentation/devicetree/bindings/usb/genesys,gl850g.yaml new file mode 100644 index 000000000000..d1fe539db399 --- /dev/null +++ b/Documentation/devicetree/bindings/usb/genesys,gl850g.yaml @@ -0,0 +1,48 @@ +# SPDX-License-Identifier: GPL-2.0-only or BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/usb/realtek,rts5411.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Genesys Logic GL850G USB 2.0 hub controller + +maintainers: + - Icenowy Zheng + +allOf: + - $ref: usb-device.yaml# + +properties: + compatible: + items: + - enum: + - usb5e3,608 + + reg: true + + reset-gpios: + description: GPIO specifier for GRST# pin. + + vdd-supply: + description: + phandle to the regulator that provides power to the hub. + +required: + - compatible + - reg + +additionalProperties: false + +examples: + - | + usb { + dr_mode = "host"; + #address-cells = <1>; + #size-cells = <0>; + + hub: hub@1 { + compatible = "usb5e3,608"; + reg = <1>; + reset-gpios = <&pio 7 2 GPIO_ACTIVE_LOW>; + }; + };