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: 13733369 Received: from lelv0143.ext.ti.com (lelv0143.ext.ti.com [198.47.23.248]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id B435C18C187; Mon, 15 Jul 2024 12:10:16 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.47.23.248 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1721045418; cv=none; b=Q5nS2db7X0GeAUxSUHvgUVsecaR0SgLiHZN2UtPVbZTMCcbr6tluO2vTi7mvrlLN/wM/Pn3l1GGdAm2gaAaDVHoS4quo45VmhA0K7KQjq5c8yHy6QMzNCsmY/0Ub7PIZPj6qhTUEYEflRiG6oLonmAocXjYrYPUr/R7Uwy0SWBk= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1721045418; c=relaxed/simple; bh=Igv9P5b9xyPs7ch22N3cjMBkjk6low4zX+8qxLLX+b4=; h=From:To:CC:Subject:Date:Message-ID:MIME-Version:Content-Type; b=e76TN15+iefGjLVFE/MBl75IZCliHujhPluVhrorEmh01eKF6TrrQNttjKmFrk7FH1f/4qfmuC7NgStpgpdHNNiA6f5ibMVVxiNeh8f28RXzQnO6kDuCVyVaBG2khqVxavX0L6BpkdCC4lHGvVDLjoiZjlr6FguEC525589aRdg= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=ti.com; spf=pass smtp.mailfrom=ti.com; dkim=pass (1024-bit key) header.d=ti.com header.i=@ti.com header.b=SHSH/BLx; arc=none smtp.client-ip=198.47.23.248 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=ti.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=ti.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=ti.com header.i=@ti.com header.b="SHSH/BLx" 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 Precedence: bulk X-Mailing-List: linux-pci@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 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(+)