From patchwork Mon Jul 15 12:09:33 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: s-vadapalli X-Patchwork-Id: 13733371 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 6DCEBC3DA59 for ; Mon, 15 Jul 2024 12:10:43 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Type: Content-Transfer-Encoding:MIME-Version:Message-ID:Date:Subject:CC:To:From: Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender :Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References:List-Owner; bh=1cazo7ReNItzF76RUs5P1QS+l8y6IS0p/XVRdyZj368=; b=SRUfJNM1XLEl8qLyfC7dHFADCD Hp5V7ZnnQNTPqGl6wtTeuAJgUlSHXd8lOE/BXSsZSAUvEoqjEOOEFcNJ9lNMDi/GKhLOpg7u8ZjvH YpHlaPCVFaySbPbzklL641VNYenJJvjVX8FMM+Ke67dzqhqmHHM6AKfh42jprwXcqx0bIojN+mgGm +xJyV6AsDQmyiGeNZ27/0MEeVwh8CLfYaF78swa94kPyTxuppiO6BMexnXyswRbfQAJvYqR9LGVyd UlcldcDqtu4TEFwcEA0M7QyunbbvEDT40cBPeI783oarE93mY/CT9Y/52EBw+ZWp1rZQXdiShpobr KEej2m6w==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1sTKXH-00000006xow-3s28; Mon, 15 Jul 2024 12:10:31 +0000 Received: from lelv0143.ext.ti.com ([198.47.23.248]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1sTKWt-00000006xgz-3o0q for linux-arm-kernel@lists.infradead.org; Mon, 15 Jul 2024 12:10:10 +0000 Received: from lelv0265.itg.ti.com ([10.180.67.224]) by lelv0143.ext.ti.com (8.15.2/8.15.2) with ESMTP id 46FC9g5e109144; Mon, 15 Jul 2024 07:09:42 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1721045382; bh=1cazo7ReNItzF76RUs5P1QS+l8y6IS0p/XVRdyZj368=; h=From:To:CC:Subject:Date; b=SHSH/BLxBSuqEdfH3DsJalseBTtzzsODlv71vWch1UQgswLoZFOMUpoRkFN2JGfgY 000HsQw49SJ5Ej9vwMu/PgEY9XODrz2g7fMVzdsX6dETYd+4VkbnZnUbVTvLHhX1JE UzkMinQ1rhEg/DssLLnf9//ljvGCODMvSeYpZGpY= Received: from DFLE101.ent.ti.com (dfle101.ent.ti.com [10.64.6.22]) by lelv0265.itg.ti.com (8.15.2/8.15.2) with ESMTPS id 46FC9gkB012672 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL); Mon, 15 Jul 2024 07:09:42 -0500 Received: from DFLE101.ent.ti.com (10.64.6.22) by DFLE101.ent.ti.com (10.64.6.22) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2507.23; Mon, 15 Jul 2024 07:09:41 -0500 Received: from lelvsmtp5.itg.ti.com (10.180.75.250) by DFLE101.ent.ti.com (10.64.6.22) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2507.23 via Frontend Transport; Mon, 15 Jul 2024 07:09:41 -0500 Received: from uda0492258.dhcp.ti.com (uda0492258.dhcp.ti.com [10.24.72.81]) by lelvsmtp5.itg.ti.com (8.15.2/8.15.2) with ESMTP id 46FC9anV060344; Mon, 15 Jul 2024 07:09:37 -0500 From: Siddharth Vadapalli To: , , , , , , , , CC: , , , , , Subject: [PATCH 0/3] Add support for ACSPCIE refclk output on J784S4-EVM Date: Mon, 15 Jul 2024 17:39:33 +0530 Message-ID: <20240715120936.1150314-1-s-vadapalli@ti.com> X-Mailer: git-send-email 2.40.1 MIME-Version: 1.0 X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240715_051008_025434_FDC078F3 X-CRM114-Status: UNSURE ( 8.94 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Hello, This series adds support to drive out the reference clock required by the PCIe Endpoint device using the ACSPCIE buffer. Series is based on linux-next tagged next-20240715. Series has been tested with the following device-tree change: https://gist.github.com/Siddharth-Vadapalli-at-TI/8206ea3a89753c309e4c82d825c75dae on J784S4-EVM with an NVMe SSD connected to the PCIe connector corresponding to the PCIe1 instance of PCIe. Logs: https://gist.github.com/Siddharth-Vadapalli-at-TI/d825068cfe55bba7a869469c1ef64ddd Regards, Siddharth. Siddharth Vadapalli (3): dt-bindings: mfd: syscon: Add ti,j784s4-acspcie-proxy-ctrl compatible dt-bindings: PCI: ti,j721e-pci-host: Add ACSPCIE proxy control property PCI: j721e: Add support for enabling ACSPCIE PAD IO Buffer output .../devicetree/bindings/mfd/syscon.yaml | 1 + .../bindings/pci/ti,j721e-pci-host.yaml | 10 ++++++ drivers/pci/controller/cadence/pci-j721e.c | 33 +++++++++++++++++++ 3 files changed, 44 insertions(+)