From patchwork Mon Oct 30 15:15:56 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Shawn Guo X-Patchwork-Id: 10032773 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id D3DC1603B4 for ; Mon, 30 Oct 2017 15:34:16 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id D62692893D for ; Mon, 30 Oct 2017 15:34:16 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id CB2612893F; Mon, 30 Oct 2017 15:34:16 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-4.2 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [65.50.211.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id C07B92893E for ; Mon, 30 Oct 2017 15:34:15 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:MIME-Version:Cc:List-Subscribe: List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id:References: In-Reply-To:Message-Id:Date:Subject:To:From:Reply-To:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Owner; bh=P0X7y0KabkEtUS05YXITL9GqaLzOG+mDgMPY+/ACv+Y=; b=vAk5Slmq48Yg0662e6ho5KWYPw kBSMltmwZ6awETwcUBu6eoJkGAFFAi1XegYHVOzz7q0pms8fnV4Bn6rR9Cjoq+jE7s0/pPjoYouHI U6fQt6mZ7sXKs0JH9o0Hb7tw1rJj6FFZK0eSjAUL9KSksTQ0JtenPUhR1LXPVN3/9J/2xv2+ZTGui GW6KfNRIDauX/D8jIzWbXHI7AJPCgxee8ON46PKPSzczbv40BrkTyMJYKjb7ANq9b9kOP0z0NBFUq hGnEr2AAGfVlcuu8sCstUhLIyQubGpAshBThnlAGynCBZgEAPHLR/ZHg6hz4dvOkAhlaO4zcTq9Sc PJDVOG3A==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.87 #1 (Red Hat Linux)) id 1e9C4a-0005xQ-Ft; Mon, 30 Oct 2017 15:33:56 +0000 Received: from mail.kernel.org ([198.145.29.99]) by bombadil.infradead.org with esmtps (Exim 4.87 #1 (Red Hat Linux)) id 1e9Bo6-0005sd-TX for linux-arm-kernel@lists.infradead.org; Mon, 30 Oct 2017 15:17:01 +0000 Received: from localhost.localdomain (unknown [104.237.91.22]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id E68D321947; Mon, 30 Oct 2017 15:16:32 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org E68D321947 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=shawnguo@kernel.org From: Shawn Guo To: Kishon Vijay Abraham I Subject: [PATCH v5 2/3] dt-bindings: add bindings doc for hi3798cv200 combphy Date: Mon, 30 Oct 2017 23:15:56 +0800 Message-Id: <1509376557-7187-3-git-send-email-shawnguo@kernel.org> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1509376557-7187-1-git-send-email-shawnguo@kernel.org> References: <1509376557-7187-1-git-send-email-shawnguo@kernel.org> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20171030_081655_067691_86759A21 X-CRM114-Status: GOOD ( 15.26 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, Jiancheng Xue , Rob Herring , Jianguo Sun , Shawn Guo , linux-arm-kernel@lists.infradead.org MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP From: Jianguo Sun It adds the device tree bindings for PCIE/SATA/USB3 combo PHY found on HiSilicon STB SoCs. Signed-off-by: Jianguo Sun Signed-off-by: Shawn Guo Acked-by: Rob Herring --- .../bindings/phy/phy-hi3798cv200-combphy.txt | 59 ++++++++++++++++++++++ 1 file changed, 59 insertions(+) create mode 100644 Documentation/devicetree/bindings/phy/phy-hi3798cv200-combphy.txt diff --git a/Documentation/devicetree/bindings/phy/phy-hi3798cv200-combphy.txt b/Documentation/devicetree/bindings/phy/phy-hi3798cv200-combphy.txt new file mode 100644 index 000000000000..17b0c761370a --- /dev/null +++ b/Documentation/devicetree/bindings/phy/phy-hi3798cv200-combphy.txt @@ -0,0 +1,59 @@ +HiSilicon STB PCIE/SATA/USB3 PHY + +Required properties: +- compatible: Should be "hisilicon,hi3798cv200-combphy" +- reg: Should be the address space for COMBPHY configuration and state + registers in peripheral controller, e.g. PERI_COMBPHY0_CFG and + PERI_COMBPHY0_STATE for COMBPHY0 Hi3798CV200 SoC. +- #phy-cells: Should be 1. The cell number is used to select the phy mode + as defined in . +- clocks: The phandle to clock provider and clock specifier pair. +- resets: The phandle to reset controller and reset specifier pair. + +Refer to phy/phy-bindings.txt for the generic PHY binding properties. + +Optional properties: +- hisilicon,fixed-mode: If the phy device doesn't support mode select + but a fixed mode setting, the property should be present to specify + the particular mode. +- hisilicon,mode-select-bits: If the phy device support mode select, + this property should be present to specify the register bits in + peripheral controller, as a 3 integers tuple: + . + +Notes: +- Between hisilicon,fixed-mode and hisilicon,mode-select-bits, one and only + one of them should be present. +- The device node should be a child of peripheral controller that contains + COMBPHY configuration/state and PERI_CTRL register used to select PHY mode. + Refer to arm/hisilicon/hisilicon.txt for the parent peripheral controller + bindings. + +Examples: + +perictrl: peripheral-controller@8a20000 { + compatible = "hisilicon,hi3798cv200-perictrl", "syscon", + "simple-mfd"; + reg = <0x8a20000 0x1000>; + #address-cells = <1>; + #size-cells = <1>; + ranges = <0x0 0x8a20000 0x1000>; + + combphy0: phy@850 { + compatible = "hisilicon,hi3798cv200-combphy"; + reg = <0x850 0x8>; + #phy-cells = <1>; + clocks = <&crg HISTB_COMBPHY0_CLK>; + resets = <&crg 0x188 4>; + hisilicon,fixed-mode = ; + }; + + combphy1: phy@858 { + compatible = "hisilicon,hi3798cv200-combphy"; + reg = <0x858 0x8>; + #phy-cells = <1>; + clocks = <&crg HISTB_COMBPHY1_CLK>; + resets = <&crg 0x188 12>; + hisilicon,mode-select-bits = <0x0008 11 (0x3 << 11)>; + }; +};