From patchwork Mon Jan 13 18:14:10 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vidya Sagar X-Patchwork-Id: 11330727 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 8D6BC109A for ; Mon, 13 Jan 2020 18:15:39 +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 60AFD207FD for ; Mon, 13 Jan 2020 18:15:39 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="MqQSYU+y"; dkim=fail reason="signature verification failed" (2048-bit key) header.d=nvidia.com header.i=@nvidia.com header.b="a6f4a1aQ" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 60AFD207FD 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=0ipFXxhGI0FAynWeJOBnIv4eRz23xV+1ql7UPedIU0o=; b=MqQSYU+yZtjvMI 7Tbp698nRtyavLVtwTA0Zxl0ZZ02ChMg00ILL1RawNl3Q8hpCMqhmv297oDZzE93KcdpAUifVRt0a SuQ/cBagqFkusTpRp5Xu/28W5fcRUr3i5yIWu1l+v2kDX9MLTWKDHjvLdDj5iSLYgakrcwrIU7j4m 2vkslV3Lmc3unzZtWO8bEjaeUhjnGvnSbjMV+4qIOZhOmOVt+OAb/WmK36j4Z5xv9xXEmqeRErfFg kr4v5vA1gaH/ob/2Cyh+UxF256RGn28PMZGmNCyxbYPfnAZnA6PlEOAVlVNoOxShGEGrUb9rfIvVP sXN0GPEgIf4acUlQlNmQ==; 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 1ir4FS-0008HG-RJ; Mon, 13 Jan 2020 18:15:34 +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 1ir4Ek-0006XV-5a for linux-arm-kernel@lists.infradead.org; Mon, 13 Jan 2020 18:14:52 +0000 Received: from hqpgpgate102.nvidia.com (Not Verified[216.228.121.13]) by hqnvemgate24.nvidia.com (using TLS: TLSv1.2, DES-CBC3-SHA) id ; Mon, 13 Jan 2020 10:13:55 -0800 Received: from hqmail.nvidia.com ([172.20.161.6]) by hqpgpgate102.nvidia.com (PGP Universal service); Mon, 13 Jan 2020 10:14:49 -0800 X-PGP-Universal: processed; by hqpgpgate102.nvidia.com on Mon, 13 Jan 2020 10:14:49 -0800 Received: from HQMAIL107.nvidia.com (172.20.187.13) by HQMAIL111.nvidia.com (172.20.187.18) with Microsoft SMTP Server (TLS) id 15.0.1473.3; Mon, 13 Jan 2020 18:14:48 +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; Mon, 13 Jan 2020 18:14:48 +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 ; Mon, 13 Jan 2020 10:14:48 -0800 From: Vidya Sagar To: , , , , , Subject: [PATCH V3 4/5] arm64: tegra: Add support for PCIe endpoint mode in P2972-0000 platform Date: Mon, 13 Jan 2020 23:44:10 +0530 Message-ID: <20200113181411.32743-5-vidyas@nvidia.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200113181411.32743-1-vidyas@nvidia.com> References: <20200113181411.32743-1-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=1578939235; bh=K+9LFI4HtbBcEoC9aRDmSR6jO1hjd1L8gzjO8ztF/1M=; h=X-PGP-Universal:From:To:CC:Subject:Date:Message-ID:X-Mailer: In-Reply-To:References:X-NVConfidentiality:MIME-Version: Content-Type; b=a6f4a1aQsTdHn06MMhyYUvt7Caug55b/EyrKvvhCaE0iUauC/Gv6fZMh99w2dipJ+ Jv4hHkqfwTckqIQgkoKLyihKf6mmmJxb7vmKlHa3s9tkKEXGyhwy9ZnGRjSdLKZ710 5f9tcQHCRgsDvuNUcBKWEyGdSzFdsuEIUXvj+bIOhjlI8vm1zTPRHE2gQeYJZZ7nrf ywGJNX6dx2VL/odgM2LaZjaNt1NiLj4HaK37zrDpWZUuNjE4qIWZf/pg9Ii8VmKiuW a9TSq05Uc5wOr2MEkNKKcgrCWFXk2rPKY81cBmr7emcQ1DUjejpy6N7IAVppE3Uc4l jkXYmPzWws2+Q== X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200113_101450_275019_73ACB589 X-CRM114-Status: UNSURE ( 6.63 ) 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_HELO_NONE SPF: HELO does not publish an SPF Record -0.0 SPF_PASS SPF: sender matches SPF record -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from 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 --- 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 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>;