From patchwork Mon Mar 14 05:32:04 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vincent Shih X-Patchwork-Id: 12779531 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 28C4EC433F5 for ; Mon, 14 Mar 2022 05:31:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236175AbiCNFdD (ORCPT ); Mon, 14 Mar 2022 01:33:03 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44970 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236202AbiCNFdA (ORCPT ); Mon, 14 Mar 2022 01:33:00 -0400 Received: from mail-pg1-x534.google.com (mail-pg1-x534.google.com [IPv6:2607:f8b0:4864:20::534]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3F90C3D48B; Sun, 13 Mar 2022 22:31:50 -0700 (PDT) Received: by mail-pg1-x534.google.com with SMTP id o23so12760642pgk.13; Sun, 13 Mar 2022 22:31:50 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=1DPJ7SGMvyfoUwo9X/vu4UVhU1Tx4WkS35X+VF/0EP4=; b=cxtaKnregLaKLEDwWc84/IFvfdvNCRhQOdQ8cvcoQ0tXPxGr/jUXgrg2IgCcNZc4FX uIli+ny1cThyTt0ySnrFHlkQYXsmvFWKeDHNyp6vW/XqFvmDATYyB4jB2yQD0ybHT9SF RVWiAzwSIT/egVxAsfXWDaZ1Lz5XKQj5xSL2daoE+7r8CcvzFqWyaWffeupnz3hiVOCv ownT4/Zxdz8yUXeN4uA3HJW2e0SIksfFWkb1RYc9dZTWPNsvX0GwGrjicf6ikBK+Ohc4 x7LEA3piKgrRpxHblffWw0F9Coe6z/vHgNd6r/FxFimyPcCfkmM3U7DijzOyF4qfuu58 rEXg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=1DPJ7SGMvyfoUwo9X/vu4UVhU1Tx4WkS35X+VF/0EP4=; b=3H6YllHj13TBmYQLULretUBT7mj0zPfvLB5pa9mOtGMzNiZVFJJmPTmrnt3fYX2qoa +fc1Ww9Mp976fashEKfZETc30fBRKZCjFPf8b8W2MGaWFnOy9E5AXQ3E5nrnoBVhwyas yKTO2X7hJ0FrqxuWZRRTC+C10AQwf35OhEGeHzY798SbkMdlaQbSNuhA9qww4ppH31ru SVqvtcBISKCCJ1bZn7+kIjlN7XlmLeA/dosWqYRQMQa8CCf2FjUoLL0vMZ7xcOlQrxGR u2HaEGdd+8Aq/IKoW6nzacXnJCCmSXCeqp/6/8a3LB62i0XCl6g05LUyUxnTB6Rw7lfP pb6Q== X-Gm-Message-State: AOAM531Ie7h86Fu5A8i+lI1248/qbbGR8H2Wo9FAY6rEG5I8Bvs83XGx R1dotXJohEwDT2oK9t+iPRs= X-Google-Smtp-Source: ABdhPJx3Q6EI395hKYFkDb0FwvhVKPS9olsiL4DX1R3h+KmPrDlCz6ZwH3PJj7ki9UbGPZr9Ln3Cbw== X-Received: by 2002:a63:485e:0:b0:380:2ff5:d0c0 with SMTP id x30-20020a63485e000000b003802ff5d0c0mr18929734pgk.493.1647235909751; Sun, 13 Mar 2022 22:31:49 -0700 (PDT) Received: from scdiu3.sunplus.com ([113.196.136.192]) by smtp.googlemail.com with ESMTPSA id c7-20020aa78e07000000b004f6e4d8ccc8sm18116376pfr.163.2022.03.13.22.31.47 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Sun, 13 Mar 2022 22:31:49 -0700 (PDT) From: Vincent Shih To: gregkh@linuxfoundation.org, stern@rowland.harvard.edu, p.zabel@pengutronix.de, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, robh+dt@kernel.org, devicetree@vger.kernel.org, wells.lu@sunplus.com Cc: Vincent Shih Subject: [PATCH v1 2/2] dt-bindings: usb: Add bindings doc for Sunplus USB HOST OHCI driver Date: Mon, 14 Mar 2022 13:32:04 +0800 Message-Id: <1647235924-15572-3-git-send-email-vincent.sunplus@gmail.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1647235924-15572-1-git-send-email-vincent.sunplus@gmail.com> References: <1647235924-15572-1-git-send-email-vincent.sunplus@gmail.com> Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org Add bindings doc for Sunplus USB HOST OHCI driver Signed-off-by: Vincent Shih --- .../bindings/usb/sunplus,sp7021-usb-ohci.yaml | 69 ++++++++++++++++++++++ MAINTAINERS | 1 + 2 files changed, 70 insertions(+) create mode 100644 Documentation/devicetree/bindings/usb/sunplus,sp7021-usb-ohci.yaml diff --git a/Documentation/devicetree/bindings/usb/sunplus,sp7021-usb-ohci.yaml b/Documentation/devicetree/bindings/usb/sunplus,sp7021-usb-ohci.yaml new file mode 100644 index 0000000..7583b68 --- /dev/null +++ b/Documentation/devicetree/bindings/usb/sunplus,sp7021-usb-ohci.yaml @@ -0,0 +1,69 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +# Copyright (C) Sunplus Co., Ltd. 2021 +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/usb/sunplus,sp7021-usb-ohci.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Sunplus SP7021 OHCI Controller Device Tree Bindings + +allOf: + - $ref: usb-hcd.yaml# + +maintainers: + - Vincent Shih + +description: + Sunplus SP7021 USB HOST IP is a USB2.0 Host Controller. It supports both + Enhanced Host Controller Interface (EHCI) and Open Host Controller Interface + (OHCI). + + It supports 32-bits address bus and 64bit data bus interface, compliant + to AMBA AXI interface for data transfer. + + It supports 32-bits address and data bus interface, compliant to AMBA + AHB interface for register configurations. + + It supports 32-bits address and data bus interface, compliant to AMBA + AXI interface for register alternative configurations. + + The UTM Interface block generates PHY control signals, compliant to + USB2.0 Transceiver Macrocell Interface Specification Revision 1.0. + +properties: + compatible: + const: sunplus,sp7021-usb-ohci + + reg: + maxItems: 1 + + clocks: + maxItems: 1 + + resets: + maxItems: 1 + + interrupts: + maxItems: 1 + +required: + - compatible + - reg + - clocks + - resets + - interrupts + +unevaluatedProperties: false + +examples: + - | + #include + + sp_ohci0: usb@9c102080 { + compatible = "sunplus,sp7021-usb-ohci"; + reg = <0x9c102080 0x68>; + clocks = <&clkc 0x3a>; + resets = <&rstc 0x2a>; + interrupt-parent = <&intc>; + interrupts = <15 IRQ_TYPE_LEVEL_HIGH>; + }; diff --git a/MAINTAINERS b/MAINTAINERS index f7a9ed7..4c80c39 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -17949,6 +17949,7 @@ SUNPLUS USB OHCI DRIVER M: Vincent Shih L: linux-usb@vger.kernel.org S: Maintained +F: Documentation/devicetree/bindings/usb/sunplus,sp7021-usb-ohci.yaml F: drivers/usb/host/ohci-sunplus.c SUPERH