From patchwork Tue Mar 3 18:10:51 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vidya Sagar X-Patchwork-Id: 11418669 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 577B114E3 for ; Tue, 3 Mar 2020 18:12:10 +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 35FFF2072D for ; Tue, 3 Mar 2020 18:12:10 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="WCBFf9+d"; dkim=fail reason="signature verification failed" (2048-bit key) header.d=nvidia.com header.i=@nvidia.com header.b="KetUfTXD" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 35FFF2072D 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=EV59GrEANGuynCOdxmEoLSQGOox4fiNePjObozZLN0g=; b=WCBFf9+d2K4TL8 kKXjIxuYjRWmKL4Aq95wapllz/9r5bt2ugR5HRzG+fQ8IZy4fcsOfsreTy+7NWaWcFA1NRxufZgxB mXhzc7ZhkJsp81uTqRUuwD9tMS4aZQkVenWfREqNU5HUcKxkLzMPBEsUxnLqFdnNvyzPJV1MNvio4 Ek2r0f7B5omKPSlKmTgSN5k/B1JyW1LJcMJXiNMJw8JZPp/s1U482GkH6c0//ThfymxBmyl19ifUm Kn1JO1PJHk62njb6x+VSh/Sa3SRhRdR7h6G82O6jfiKnTN5hKog6xYPKfZWygq0NE3yEnqhoO9sDK 3AiS1ILMvyPp1u3zM8ZA==; 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 1j9C1X-0006HG-ES; Tue, 03 Mar 2020 18:12:07 +0000 Received: from hqnvemgate25.nvidia.com ([216.228.121.64]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1j9C0p-0005aM-K0 for linux-arm-kernel@lists.infradead.org; Tue, 03 Mar 2020 18:11:25 +0000 Received: from hqpgpgate102.nvidia.com (Not Verified[216.228.121.13]) by hqnvemgate25.nvidia.com (using TLS: TLSv1.2, DES-CBC3-SHA) id ; Tue, 03 Mar 2020 10:10:42 -0800 Received: from hqmail.nvidia.com ([172.20.161.6]) by hqpgpgate102.nvidia.com (PGP Universal service); Tue, 03 Mar 2020 10:11:22 -0800 X-PGP-Universal: processed; by hqpgpgate102.nvidia.com on Tue, 03 Mar 2020 10:11:22 -0800 Received: from HQMAIL105.nvidia.com (172.20.187.12) by HQMAIL109.nvidia.com (172.20.187.15) with Microsoft SMTP Server (TLS) id 15.0.1473.3; Tue, 3 Mar 2020 18:11:22 +0000 Received: from hqnvemgw03.nvidia.com (10.124.88.68) by HQMAIL105.nvidia.com (172.20.187.12) with Microsoft SMTP Server (TLS) id 15.0.1473.3 via Frontend Transport; Tue, 3 Mar 2020 18:11:22 +0000 Received: from vidyas-desktop.nvidia.com (Not Verified[10.24.37.38]) by hqnvemgw03.nvidia.com with Trustwave SEG (v7, 5, 8, 10121) id ; Tue, 03 Mar 2020 10:11:21 -0800 From: Vidya Sagar To: , , , , , Subject: [PATCH V5 4/5] arm64: tegra: Add support for PCIe endpoint mode in P2972-0000 platform Date: Tue, 3 Mar 2020 23:40:51 +0530 Message-ID: <20200303181052.16134-5-vidyas@nvidia.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200303181052.16134-1-vidyas@nvidia.com> References: <20200303181052.16134-1-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=1583259042; bh=jXXaBXN/3T1QNpU2kh+R+FK9v9PeNIStuPovmbh2czA=; h=X-PGP-Universal:From:To:CC:Subject:Date:Message-ID:X-Mailer: In-Reply-To:References:X-NVConfidentiality:MIME-Version: Content-Type; b=KetUfTXDA8j+Rky5+v5leJqdTCfqtjgiXWqlKemx2Vgv0A2a+qlbdbybC44w+kPqJ oRdYvkfA4S6QBzJFzMV+CCwES0pXgqpGFoTH2pUQjq8da5w+iYxERG9HnztYxfJfbb 57pa68BAKHhc2G0m/tAcVisj+5VBsQePaUAsSxmNdKX8AFwKA5utW1ByGO5jN5g8ty EHH/dj4C1M2wGnNx95knyBJpBXFGedTOjEi0htNMaSLoWCkgnOZ0pzQAZBmsi7Uof5 iui60/rmBSJ3aTbG2zEG6QKnC+ncKkl/NIW9QhLyMjSkCv71Xp+xS/silf/PJJBw7h 9xUc3RBI9NMng== X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200303_101123_747466_E6CE03D6 X-CRM114-Status: UNSURE ( 7.44 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -5.2 (-----) X-Spam-Report: SpamAssassin version 3.4.3 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 [216.228.121.64 listed in list.dnswl.org] 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record -0.0 SPF_PASS SPF: sender matches SPF record -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain -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 --- V5: * None V4: * None V3: * None 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 985e7d84f161..734eb294d1e6 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>;