From mboxrd@z Thu Jan 1 00:00:00 1970 From: Rob Herring Subject: Re: [PATCH V5 11/16] dt-bindings: PHY: P2U: Add Tegra 194 P2U block Date: Fri, 26 Apr 2019 10:45:19 -0500 Message-ID: <20190426154519.GA19329@bogus> References: <20190424052004.6270-1-vidyas@nvidia.com> <20190424052004.6270-12-vidyas@nvidia.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <20190424052004.6270-12-vidyas@nvidia.com> Sender: linux-kernel-owner@vger.kernel.org To: Vidya Sagar Cc: lorenzo.pieralisi@arm.com, bhelgaas@google.com, mark.rutland@arm.com, thierry.reding@gmail.com, jonathanh@nvidia.com, kishon@ti.com, catalin.marinas@arm.com, will.deacon@arm.com, jingoohan1@gmail.com, gustavo.pimentel@synopsys.com, mperttunen@nvidia.com, linux-pci@vger.kernel.org, devicetree@vger.kernel.org, linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, kthota@nvidia.com, mmaddireddy@nvidia.com, sagar.tv@gmail.com List-Id: linux-tegra@vger.kernel.org On Wed, Apr 24, 2019 at 10:49:59AM +0530, Vidya Sagar wrote: > 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. Missing Sob. > --- > 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..8b543cba483b > --- /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". -names is pointless when there is only 1. > + > +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: p2u@3e10000 { phy@... > + compatible = "nvidia,tegra194-p2u"; > + reg = <0x03e10000 0x10000>; > + reg-names = "ctl"; > + > + #phy-cells = <0>; > +}; > -- > 2.17.1 > From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.5 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_PASS,URIBL_BLOCKED, USER_AGENT_MUTT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 4F529C43219 for ; Fri, 26 Apr 2019 15:45:31 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 1D7D9208CA for ; Fri, 26 Apr 2019 15:45:31 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="lJrfJrFD" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 1D7D9208CA Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org 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:In-Reply-To:MIME-Version:References: Message-ID:Subject:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=Bhw7mYAHPBH2UH6/iImnb5WnkLvdPC327kCkte0/ejs=; b=lJrfJrFDcwo1Gw RjhOpY4MrQWYOlzlK32awETrCWNssdJeIs3dHB3TZmtOFxa8040OJLgXUFt6B0U8mXPJ9dMqtU4u6 WHr3KEGK/PBjGVe6gzpux7SyugcOyR/97d8zO7zBl0WrSbJrb32LtYBHrsZxPBHzqLteTD5hnCns/ tTqOGKb342c9eDZUQJJHrwWxvczxS1FWYBRxAfMY/z6QXO3xQ0anGraeTbP+Y5KY8gcw/9qHNBQVI fsWILcrIoE23F2ABV+dYsZe7aAZu3I0bi/9h4Nabus1AbX5wKQole+cjDCkbS91U7Pzh9WUWONoKa Ktz6fPtln4vWO1pD/mzg==; 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 1hK32S-0000jZ-96; Fri, 26 Apr 2019 15:45:24 +0000 Received: from mail-ot1-f67.google.com ([209.85.210.67]) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1hK32P-0000iv-Fy for linux-arm-kernel@lists.infradead.org; Fri, 26 Apr 2019 15:45:22 +0000 Received: by mail-ot1-f67.google.com with SMTP id j10so3061953otq.0 for ; Fri, 26 Apr 2019 08:45:21 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to:user-agent; bh=tNTtEvqJlRv85tDYzGzLiqv1W7Qq1L++Q9HTzcYFWas=; b=gITNUia7Ym2S62kowNwPaRz7hQpe3Mz2WalYbwEhGPh8nXlm0tgWzv14K45jqUap20 sp7g2oSTvbhzxoOfh2fpT2pcgsdrDNba57++EkKYT+OOwsPByiRP/k9rmygvAKCoJ9Iv W6YpKPuVM/kuLscfyy4HcEV52flU6FT/7UCaVvhEGmOvrqHWdU1dI33ukdoqP+W50pmZ a0/jahDuQ+aWq0f4EfHTX93sRtO4AE3W84NYYrOGzUuxzxE2shhdclOhh8rR9zSBMNbh c2sSIObz6c0VIGTNUmCBVsCXx0byGCoRhoKyKbHINbT1I4GyjvCWyRb1VPKlRr5Q+TTF jjmA== X-Gm-Message-State: APjAAAX2/kKqFJYl4iGhRuabgrJS2Ar2rkOPIyzc93g/eSFSfbhrA8K4 PpTSh59/3zcdWIRBXSr5Z6A23N0= X-Google-Smtp-Source: APXvYqyCQ+DYlEX56dmy2H5QMZOm1oDfwASMFMM2tkO7QWRhHh28uNpJzEJ8wq9qkHjZomKtAnI9SQ== X-Received: by 2002:a9d:7ad9:: with SMTP id m25mr28870711otn.75.1556293520461; Fri, 26 Apr 2019 08:45:20 -0700 (PDT) Received: from localhost (24-155-109-49.dyn.grandenetworks.net. [24.155.109.49]) by smtp.gmail.com with ESMTPSA id a34sm11760507otc.46.2019.04.26.08.45.19 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Fri, 26 Apr 2019 08:45:19 -0700 (PDT) Date: Fri, 26 Apr 2019 10:45:19 -0500 From: Rob Herring To: Vidya Sagar Subject: Re: [PATCH V5 11/16] dt-bindings: PHY: P2U: Add Tegra 194 P2U block Message-ID: <20190426154519.GA19329@bogus> References: <20190424052004.6270-1-vidyas@nvidia.com> <20190424052004.6270-12-vidyas@nvidia.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20190424052004.6270-12-vidyas@nvidia.com> User-Agent: Mutt/1.10.1 (2018-07-13) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190426_084521_533741_685E0E21 X-CRM114-Status: GOOD ( 17.56 ) 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: mark.rutland@arm.com, devicetree@vger.kernel.org, lorenzo.pieralisi@arm.com, mperttunen@nvidia.com, mmaddireddy@nvidia.com, linux-pci@vger.kernel.org, catalin.marinas@arm.com, will.deacon@arm.com, linux-kernel@vger.kernel.org, kthota@nvidia.com, kishon@ti.com, linux-tegra@vger.kernel.org, thierry.reding@gmail.com, gustavo.pimentel@synopsys.com, jingoohan1@gmail.com, bhelgaas@google.com, jonathanh@nvidia.com, linux-arm-kernel@lists.infradead.org, sagar.tv@gmail.com Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Wed, Apr 24, 2019 at 10:49:59AM +0530, Vidya Sagar wrote: > 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. Missing Sob. > --- > 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..8b543cba483b > --- /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". -names is pointless when there is only 1. > + > +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: p2u@3e10000 { phy@... > + compatible = "nvidia,tegra194-p2u"; > + reg = <0x03e10000 0x10000>; > + reg-names = "ctl"; > + > + #phy-cells = <0>; > +}; > -- > 2.17.1 > _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel