From patchwork Tue Mar 3 10:54:17 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vidya Sagar X-Patchwork-Id: 11417725 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 C4E1514B4 for ; Tue, 3 Mar 2020 10:55:44 +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 A1DD32080C for ; Tue, 3 Mar 2020 10:55:44 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="WfusINU6"; dkim=fail reason="signature verification failed" (2048-bit key) header.d=nvidia.com header.i=@nvidia.com header.b="lY5saZ+c" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org A1DD32080C 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=y7vOeWdWEYwbhxbkshhSFAZHC75XJlmUA1RM4K9pgsM=; b=WfusINU6wR6cW6 zNd9QrW8ZOaimS4yW2D5QDV6zhuA1gOlzugxX856BfplB99mnP3eqowoX/qBN4Ov98xQ0lfI2ix6K SzN046VCSecfGHyYndqwCWm26yvNsO1hgoIGWXjY0MF98yDifGbv2oWIyL/p9pqjgFZaTNxQ/laLO lR2FJiN5kTASOLh5iOx7JyiEgzQLLYfsC/7rQSZp0GX7JI2nqnjZhHswzSuQa/PdPV71/GTq4MGd4 cnJ41MGESRtlqtrDHzyc6jZucegvpCgUZsJ13wWDeR40djEheBB/aiqjnqPxflaZs6TaohG/cJPTM pPyxNz4vRXLNFawSNuZA==; 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 1j95DC-0003Xk-D5; Tue, 03 Mar 2020 10:55:42 +0000 Received: from hqnvemgate26.nvidia.com ([216.228.121.65]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1j95CL-0001WX-9Y for linux-arm-kernel@lists.infradead.org; Tue, 03 Mar 2020 10:54:51 +0000 Received: from hqpgpgate101.nvidia.com (Not Verified[216.228.121.13]) by hqnvemgate26.nvidia.com (using TLS: TLSv1.2, DES-CBC3-SHA) id ; Tue, 03 Mar 2020 02:54:35 -0800 Received: from hqmail.nvidia.com ([172.20.161.6]) by hqpgpgate101.nvidia.com (PGP Universal service); Tue, 03 Mar 2020 02:54:48 -0800 X-PGP-Universal: processed; by hqpgpgate101.nvidia.com on Tue, 03 Mar 2020 02:54:48 -0800 Received: from HQMAIL107.nvidia.com (172.20.187.13) by HQMAIL107.nvidia.com (172.20.187.13) with Microsoft SMTP Server (TLS) id 15.0.1473.3; Tue, 3 Mar 2020 10:54:48 +0000 Received: from hqnvemgw03.nvidia.com (10.124.88.68) by HQMAIL107.nvidia.com (172.20.187.13) with Microsoft SMTP Server (TLS) id 15.0.1473.3 via Frontend Transport; Tue, 3 Mar 2020 10:54:48 +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 02:54:48 -0800 From: Vidya Sagar To: , , , , , Subject: [PATCH V4 4/5] arm64: tegra: Add support for PCIe endpoint mode in P2972-0000 platform Date: Tue, 3 Mar 2020 16:24:17 +0530 Message-ID: <20200303105418.2840-5-vidyas@nvidia.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200303105418.2840-1-vidyas@nvidia.com> References: <20200303105418.2840-1-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=1583232875; bh=XDqU4/3NkhzOg4VQyRoeDPrk+BoR8HLjcQcuG2F+Bmw=; h=X-PGP-Universal:From:To:CC:Subject:Date:Message-ID:X-Mailer: In-Reply-To:References:X-NVConfidentiality:MIME-Version: Content-Type; b=lY5saZ+ceeSgf1Ns8Fy/inHT9AHdqSo+oMMKHg/mTZcF4OigepBHEyMCqWo8nlOHi jypbAwUcIvffJgRWxAR5q7YbirP3aPb4XEiJnh+DWRdwlvJH9eEog7y4KjnU85Wv0+ 6OeJCl3G3brTcIKycW4UU9CJ4Kyqa7rzyfTp8oMW7U8Y+6CRtZrWUdmtDAQrtPPjzD HnxPHBQ4eODcaZkEAj2bI41m7NuEQs4ZyoPJphTBe3ydU9+Kftn/sgW7ZDfThTFreQ pO4NPxKddVV44kpL0vFgv5LNm6VBSBmish+Em1b0WAbPlS17/JChS5VG+5p1z5Q7Vm R1oJ4k3huOlpw== X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200303_025449_473516_A680B2C9 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 [216.228.121.65 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 --- 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 f9f874d9d0ae..e15d1eac05f5 100644 --- a/arch/arm64/boot/dts/nvidia/tegra194-p2972-0000.dts +++ b/arch/arm64/boot/dts/nvidia/tegra194-p2972-0000.dts @@ -199,6 +199,24 @@ "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>;