From patchwork Fri Jan 3 12:44:04 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vidya Sagar X-Patchwork-Id: 11316895 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id BD70A1395 for ; Fri, 3 Jan 2020 12:45:51 +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 9A8172085B for ; Fri, 3 Jan 2020 12:45:51 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="kC22+tDN"; dkim=fail reason="signature verification failed" (2048-bit key) header.d=nvidia.com header.i=@nvidia.com header.b="IS0NN7r1" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 9A8172085B Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=nvidia.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.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: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=mLlkRIplqzFx/Y4qJKUigp9OQRi/ebBQvTfS1M5bG70=; b=kC22+tDNeGPPgz ZWvv60bMpS0QZvSMCXEAmmg844OkgUSRdVG25qBDUBiCXbj6ttsvEizVztvppsShrr/fXjw1G+Ko4 jPg1iTRP705bAgZKaBHK6+D0FWxtzrduqLsvvzivXa30iEYCJ317SpaKt6AGghOsxpG+xgSssAFle IwKJax6OkWgvRIQwWh16NIgxXLasdsJy6M8nFFvunp9fAuTc1UuoYxP/J5ns9ILTLeA9shdae4krC w3G74L/iRTYTdkn08ZQs5zMAX9jD41kLwyQwwO1PgG1DJZIx45ms44Z7mgB+RuASVt/6hGNNLA7cU +eCOmDvrbT5+79evYsCg==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1inMKs-0005Gt-2r; Fri, 03 Jan 2020 12:45:50 +0000 Received: from hqnvemgate24.nvidia.com ([216.228.121.143]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1inMJu-0003JZ-CJ for linux-arm-kernel@lists.infradead.org; Fri, 03 Jan 2020 12:44:51 +0000 Received: from hqpgpgate101.nvidia.com (Not Verified[216.228.121.13]) by hqnvemgate24.nvidia.com (using TLS: TLSv1.2, DES-CBC3-SHA) id ; Fri, 03 Jan 2020 04:44:06 -0800 Received: from hqmail.nvidia.com ([172.20.161.6]) by hqpgpgate101.nvidia.com (PGP Universal service); Fri, 03 Jan 2020 04:44:49 -0800 X-PGP-Universal: processed; by hqpgpgate101.nvidia.com on Fri, 03 Jan 2020 04:44:49 -0800 Received: from HQMAIL109.nvidia.com (172.20.187.15) by HQMAIL107.nvidia.com (172.20.187.13) with Microsoft SMTP Server (TLS) id 15.0.1473.3; Fri, 3 Jan 2020 12:44:49 +0000 Received: from hqnvemgw03.nvidia.com (10.124.88.68) by HQMAIL109.nvidia.com (172.20.187.15) with Microsoft SMTP Server (TLS) id 15.0.1473.3 via Frontend Transport; Fri, 3 Jan 2020 12:44:49 +0000 Received: from vidyas-desktop.nvidia.com (Not Verified[10.24.37.48]) by hqnvemgw03.nvidia.com with Trustwave SEG (v7, 5, 8, 10121) id ; Fri, 03 Jan 2020 04:44:49 -0800 From: Vidya Sagar To: , , , , , Subject: [PATCH V2 5/5] arm64: tegra: Add support for PCIe endpoint mode in P2972-0000 platform Date: Fri, 3 Jan 2020 18:14:04 +0530 Message-ID: <20200103124404.20662-6-vidyas@nvidia.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200103124404.20662-1-vidyas@nvidia.com> References: <20200103124404.20662-1-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=1578055446; bh=FjkZOhNMaufgGn7RMeZvw0u4CLJZRsNmQ0ZHtvj+nho=; h=X-PGP-Universal:From:To:CC:Subject:Date:Message-ID:X-Mailer: In-Reply-To:References:X-NVConfidentiality:MIME-Version: Content-Type; b=IS0NN7r1ikwtKHtnFAy/PTMJD4qiZVhCUyiWvWBci5YvcujTtFJfMNatfmdf8zu9A dW5xoJnyKyMWv60rs8YgZqWY8GJFiNMTK0p4AtcRBZ4/QEefyLr5IaDysc7VFg5lG6 sU0zQRcOj2E5zhrxg22BMrpi6gWsFCW0ZiuZnQADnnpT+C4t+p/rkrTn8TtqNTAclj ByaZcNdBmvEuPP36Q4JhgjUKHTMLw6kSIM6h6Q93+Ny+FmNIL5wuPFwYvJQIRbFZX/ M7vWdgSmPXEg+G/oXMYv7HTGbUPBnOp+LGw+WTp3htkJkTIyNCpAHhbAhFK+ihZoFa taqTKwy+2yWkw== X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200103_044450_480011_B80FA485 X-CRM114-Status: UNSURE ( 6.87 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -5.2 (-----) X-Spam-Report: SpamAssassin version 3.4.2 on bombadil.infradead.org summary: Content analysis details: (-5.2 points) pts rule name description ---- ---------------------- -------------------------------------------------- -5.0 RCVD_IN_DNSWL_HI RBL: Sender listed at https://www.dnswl.org/, high trust [216.228.121.143 listed in list.dnswl.org] -0.0 SPF_PASS SPF: sender matches SPF record 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature -0.0 DKIMWL_WL_HIGH DKIMwl.org - Whitelisted High sender X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 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, gustavo.pimentel@synopsys.com, linux-kernel@vger.kernel.org, kishon@ti.com, linux-pci@vger.kernel.org, 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 Add endpoint mode support for PCIe C5 controller in P2972-0000 platform with information about supplies, PHY, PERST GPIO and GPIO that controls PCIe reference clock coming from the host system. Signed-off-by: Vidya Sagar --- V2: * Addressed Thierry's review comments * Changed 'nvidia,pex-rst-gpio' to 'reset-gpios' * Added 'nvidia,refclk-select-gpios' .../boot/dts/nvidia/tegra194-p2972-0000.dts | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) diff --git a/arch/arm64/boot/dts/nvidia/tegra194-p2972-0000.dts b/arch/arm64/boot/dts/nvidia/tegra194-p2972-0000.dts index 353a6a22196d..87ae7c6d38e2 100644 --- a/arch/arm64/boot/dts/nvidia/tegra194-p2972-0000.dts +++ b/arch/arm64/boot/dts/nvidia/tegra194-p2972-0000.dts @@ -136,6 +136,24 @@ "p2u-5", "p2u-6", "p2u-7"; }; + pcie_ep@141a0000 { + status = "disabled"; + + vddio-pex-ctl-supply = <&vdd_1v8ao>; + + reset-gpios = <&gpio TEGRA194_MAIN_GPIO(GG, 1) GPIO_ACTIVE_LOW>; + + nvidia,refclk-select-gpios = <&gpio_aon TEGRA194_AON_GPIO(AA, 5) + GPIO_ACTIVE_HIGH>; + + phys = <&p2u_nvhs_0>, <&p2u_nvhs_1>, <&p2u_nvhs_2>, + <&p2u_nvhs_3>, <&p2u_nvhs_4>, <&p2u_nvhs_5>, + <&p2u_nvhs_6>, <&p2u_nvhs_7>; + + phy-names = "p2u-0", "p2u-1", "p2u-2", "p2u-3", "p2u-4", + "p2u-5", "p2u-6", "p2u-7"; + }; + fan: fan { compatible = "pwm-fan"; pwms = <&pwm4 0 45334>;