From patchwork Tue Sep 5 11:48:14 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Achal Verma X-Patchwork-Id: 13374440 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 71063C83F33 for ; Tue, 5 Sep 2023 11:49:04 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id: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=QIY41q7RQiyLRuuXDk8FlCdSb3fSdOo6O7S10c2hzo0=; b=3Kh5x5mSXN7zT0 5DngzrVx1IcqopK39vVhGiX6W+3kmHGzAQHoL2+FLdkUVUEDEyVw4Hh51WxBVZBK8JscEuH13MfMN spv6BuAMoErkfrdqhaE/EPLCMr6sCP9vGifS40EgqWsqt481CqZEZpkfgKwHnc5YIezmb+abCm3LB LCEnvWudzq96soDs1/Yw8GlFXIBOb6BrUOz4HAa0ONfLn1vfH0FhZZa0YpNFT7BBg3mVWiLnhnFZD aspJ53SJcAq0hG3awSwHb9yuj8LHJuQedmgOHSPnJrbZzCgFInZANxQg5PS0C59b6Rd30hPqwLpcX c4D7mDso2rX3SL9od3Rw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1qdUXo-005wAT-3D; Tue, 05 Sep 2023 11:48:33 +0000 Received: from lelv0143.ext.ti.com ([198.47.23.248]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1qdUXl-005w8m-2B for linux-arm-kernel@lists.infradead.org; Tue, 05 Sep 2023 11:48:31 +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 385BmIT4103678; Tue, 5 Sep 2023 06:48:18 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1693914498; bh=N68uoMAZt0elBiNOOgFrjYy/Ldpq4gljwxTQ2TN4rt8=; h=From:To:CC:Subject:Date; b=SbK+EgulnA0we6oIIjWOkmrxtDCSCJpkAZ/EbcP/3ORQQRO3y5OCHosqIzQOjeZDU 492GjUx+W1BQZqUlNBLxiyz6lkQvTsXH+NtRW1JYb5WrATqAkVgKI21kVGC6HyMzRi 1hTk8Btac87kOMoXeHqjgQSGRa8kpihxDhX7wyZI= Received: from DLEE114.ent.ti.com (dlee114.ent.ti.com [157.170.170.25]) by lelv0265.itg.ti.com (8.15.2/8.15.2) with ESMTPS id 385BmISv005244 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL); Tue, 5 Sep 2023 06:48:18 -0500 Received: from DLEE102.ent.ti.com (157.170.170.32) by DLEE114.ent.ti.com (157.170.170.25) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2507.23; Tue, 5 Sep 2023 06:48:17 -0500 Received: from fllv0039.itg.ti.com (10.64.41.19) by DLEE102.ent.ti.com (157.170.170.32) 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; Tue, 5 Sep 2023 06:48:17 -0500 Received: from localhost (ileaxei01-snat2.itg.ti.com [10.180.69.6]) by fllv0039.itg.ti.com (8.15.2/8.15.2) with ESMTP id 385BmHHW075458; Tue, 5 Sep 2023 06:48:17 -0500 From: Achal Verma To: Vignesh Raghavendra , Lorenzo Pieralisi , Krzysztof Wilczy_ski , Rob Herring , Bjorn Helgaas , Krzysztof Kozlowski , Conor Dooley CC: , , , , , Achal Verma Subject: [RFC PATCH 0/2] Enable PCIe1 on J7AHP Date: Tue, 5 Sep 2023 17:18:14 +0530 Message-ID: <20230905114816.2993628-1-a-verma1@ti.com> X-Mailer: git-send-email 2.25.1 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-20230905_044830_167566_0CA24287 X-CRM114-Status: UNSURE ( 6.96 ) 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 PCIe1 instance on J7AHP EVM EP connector has reference clock connection from serdes unlike PCIe0 for which reference clock connection is from on-board clock generator. To enable PCIe1 instance, ACSPCIE clock buffer pads have to be enabled to get reference clock output available to PCIe1 EP This enables clock source select and ACSPCIE clock buffer pads. Achal Verma (2): dt-bindings: PCI: ti,j721e-pci-*: Add "ti,syscon-pcie-refclk-out" property pci: j721e: Enable reference clock output from serdes .../bindings/pci/ti,j721e-pci-host.yaml | 53 ++++++++++ .../pci/controller/cadence/pci-j721e-host.c | 96 +++++++++++++++++++ 2 files changed, 149 insertions(+)