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: 13056627 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 60DDCC46467 for ; Sun, 27 Nov 2022 07:32:37 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229602AbiK0Hcf (ORCPT ); Sun, 27 Nov 2022 02:32:35 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37564 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229597AbiK0Hcb (ORCPT ); Sun, 27 Nov 2022 02:32:31 -0500 Received: from sender4-op-o18.zoho.com (sender4-op-o18.zoho.com [136.143.188.18]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 56F0F13DC9; Sat, 26 Nov 2022 23:32:26 -0800 (PST) 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 Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.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>; + }; + };