From patchwork Mon May 13 05:06:21 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vidya Sagar X-Patchwork-Id: 10940277 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 3C67E933 for ; Mon, 13 May 2019 05:08:56 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 2D66D26E38 for ; Mon, 13 May 2019 05:08:56 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 20BBE26E56; Mon, 13 May 2019 05:08:56 +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=-5.2 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id A878E26E38 for ; Mon, 13 May 2019 05:08:55 +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:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version: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=ExV+PDVym/H3emru1biX+eJcoTiCriAKj2fIuHtcaWc=; b=CLVQgQnTAIh2SS q07TQVgZu99ZerUlVfRcS0ts7so0FVMLJbZO/q0AHNW7ADOFHCpozoYhzyg5AAAJzFfM7oppicmv7 EZ3X/3GrNdZJ0ly3BJ93MRNqACb5AGWMjGPPEZXhrf/mIoQUfy2jAVeeUvsCSP6C7e/46I4kuoWn+ raB9M2xJDTruUELNmo0L/XeXvw/8QjHVeZMEEsyEw4W7QfIYRCIFVE72mPFYLQy0yutEXTbaWPcSe W4mwjmMzCDAozh0bNAR9QViALK3BYR/d63gTjaWJNF5lBJ6aGddRA5eF4r9968Q1c8s/AvN4IdX+B uJccXzAxaszjj5WLZtEw==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1hQ3Ci-0000FT-OV; Mon, 13 May 2019 05:08:48 +0000 Received: from hqemgate16.nvidia.com ([216.228.121.65]) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1hQ3C6-0007w9-C5 for linux-arm-kernel@lists.infradead.org; Mon, 13 May 2019 05:08:28 +0000 Received: from hqpgpgate102.nvidia.com (Not Verified[216.228.121.13]) by hqemgate16.nvidia.com (using TLS: TLSv1.2, DES-CBC3-SHA) id ; Sun, 12 May 2019 22:08:06 -0700 Received: from hqmail.nvidia.com ([172.20.161.6]) by hqpgpgate102.nvidia.com (PGP Universal service); Sun, 12 May 2019 22:08:10 -0700 X-PGP-Universal: processed; by hqpgpgate102.nvidia.com on Sun, 12 May 2019 22:08:10 -0700 Received: from HQMAIL104.nvidia.com (172.18.146.11) by HQMAIL105.nvidia.com (172.20.187.12) with Microsoft SMTP Server (TLS) id 15.0.1473.3; Mon, 13 May 2019 05:08:09 +0000 Received: from hqnvemgw01.nvidia.com (172.20.150.20) by HQMAIL104.nvidia.com (172.18.146.11) with Microsoft SMTP Server (TLS) id 15.0.1473.3 via Frontend Transport; Mon, 13 May 2019 05:08:09 +0000 Received: from vidyas-desktop.nvidia.com (Not Verified[10.24.37.38]) by hqnvemgw01.nvidia.com with Trustwave SEG (v7, 5, 8, 10121) id ; Sun, 12 May 2019 22:08:09 -0700 From: Vidya Sagar To: , , , , , , , , , , Subject: [PATCH V6 10/15] dt-bindings: PHY: P2U: Add Tegra194 P2U block Date: Mon, 13 May 2019 10:36:21 +0530 Message-ID: <20190513050626.14991-11-vidyas@nvidia.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20190513050626.14991-1-vidyas@nvidia.com> References: <20190513050626.14991-1-vidyas@nvidia.com> X-NVConfidentiality: public MIME-Version: 1.0 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nvidia.com; s=n1; t=1557724086; bh=BpaltibdFcL8JSpeGTWfg7qpc87no3Y+0kxlKjxaDkE=; h=X-PGP-Universal:From:To:CC:Subject:Date:Message-ID:X-Mailer: In-Reply-To:References:X-NVConfidentiality:MIME-Version: Content-Type; b=YXs+ObdJzVfdSUSTxy/q//AXRDXuJwZgoy/0ueOpwqYGId8XxxSWRTEetLCbDtpcS hhFZZuunpj6PRZupzgHm4rHPOcAZ4Vlw1Kq34rk6jqUyck9vzBRlFqNYhEhKA0J+s1 WCerybsBLpkwG4tzOe3OmzakPtNdb5UUHswgvtasbgs8Nr+wMS6JWAHS6jVMyUkYoY pkH7w8fMxVJjoAjn7huw/o01tyMuOyqr6bZihoUs1G8rYZWjkbEl3n1n5geiGOqk4F 6cHNWwKMK7lw1qDJ0/Ii2/3/qi49qmOA/TAFImUpZEiGvzzm9iTLaozuUaMlVcXLRd akYJgm5Lb2RAg== X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190512_220810_882795_9C55281C X-CRM114-Status: UNSURE ( 9.63 ) X-CRM114-Notice: Please train this message. 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, mmaddireddy@nvidia.com, kthota@nvidia.com, linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org, mperttunen@nvidia.com, linux-tegra@vger.kernel.org, vidyas@nvidia.com, linux-arm-kernel@lists.infradead.org, sagar.tv@gmail.com 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 Add support for Tegra194 P2U (PIPE to UPHY) module block which is a glue module instantiated one for each PCIe lane between Synopsys DesignWare core based PCIe IP and Universal PHY block. Signed-off-by: Vidya Sagar Reviewed-by: Rob Herring --- Changes since [v5]: * Added Sob * Changed node name from "p2u@xxxxxxxx" to "phy@xxxxxxxx" Changes since [v4]: * None Changes since [v3]: * None Changes since [v2]: * Changed node label to reflect new format that includes either 'hsio' or 'nvhs' in its name to reflect which UPHY brick they belong to Changes since [v1]: * This is a new patch in v2 series .../bindings/phy/phy-tegra194-p2u.txt | 28 +++++++++++++++++++ 1 file changed, 28 insertions(+) create mode 100644 Documentation/devicetree/bindings/phy/phy-tegra194-p2u.txt diff --git a/Documentation/devicetree/bindings/phy/phy-tegra194-p2u.txt b/Documentation/devicetree/bindings/phy/phy-tegra194-p2u.txt new file mode 100644 index 000000000000..d23ff90baad5 --- /dev/null +++ b/Documentation/devicetree/bindings/phy/phy-tegra194-p2u.txt @@ -0,0 +1,28 @@ +NVIDIA Tegra194 P2U binding + +Tegra194 has two PHY bricks namely HSIO (High Speed IO) and NVHS (NVIDIA High +Speed) each interfacing with 12 and 8 P2U instances respectively. +A P2U instance is a glue logic between Synopsys DesignWare Core PCIe IP's PIPE +interface and PHY of HSIO/NVHS bricks. Each P2U instance represents one PCIe +lane. + +Required properties: +- compatible: For Tegra19x, must contain "nvidia,tegra194-p2u". +- reg: Should be the physical address space and length of respective each P2U + instance. +- reg-names: Must include the entry "ctl". + +Required properties for PHY port node: +- #phy-cells: Defined by generic PHY bindings. Must be 0. + +Refer to phy/phy-bindings.txt for the generic PHY binding properties. + +Example: + +p2u_hsio_0: phy@3e10000 { + compatible = "nvidia,tegra194-p2u"; + reg = <0x03e10000 0x10000>; + reg-names = "ctl"; + + #phy-cells = <0>; +};