From mboxrd@z Thu Jan 1 00:00:00 1970 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 3C7F2C47DAF for ; Mon, 22 Jan 2024 10:02:00 +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:In-Reply-To:From:References:To:Subject: CC:MIME-Version:Date:Message-ID:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=jmGX/eXKZuHg5LRLTIlbsS9DU0LzRI/2AcUHDXF5T48=; b=OxlnXJXc6arZg6 Hr5+M46/AAadc+2YP0jMWnsn8EdOCu1GmXJsjkFzh7IBAAMCVoLCyXpY926XZoYQKnI+2eCN8UlLC 1VHtBRBrPMIz8NEG3Q2Nk/a/6Pv/YbBskD3yl7RStzpHt14WRwYUcwItPis+XanAWRzr6888Ui5TH 8JZEuYZvT0p+mUvtD9m8TaU3xicEWQ889ZBL5ZYNInswSo+A/URzHSKnVlytuK3l4iPqc1v0Lq3G7 LidUIuKxFFs7q2nSZE1CdOrjSRwJDMWU8PB+4Xk2dZ9K7cWE6sN5LpRcIm8IQCjRaQd8GvM5ZA0Or 20VHQ15oTRqQK5sv8WtA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1rRr7V-00BQ8Y-1X; Mon, 22 Jan 2024 10:01:33 +0000 Received: from fllv0016.ext.ti.com ([198.47.19.142]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1rRr7N-00BQ5U-2f for linux-arm-kernel@lists.infradead.org; Mon, 22 Jan 2024 10:01:29 +0000 Received: from lelv0266.itg.ti.com ([10.180.67.225]) by fllv0016.ext.ti.com (8.15.2/8.15.2) with ESMTP id 40MA1Hjd123939; Mon, 22 Jan 2024 04:01:17 -0600 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1705917677; bh=b2aNqFSY/9VXqWgu/6OAtCx3EV2oqfNc5jP2hF/6Wlk=; h=Date:CC:Subject:To:References:From:In-Reply-To; b=I2QRRhzI2/nnxMTlTStBVUZuo8AzzDHbBWNBIzGEQRq2wyfhjveMoKvbmSOPSLA22 T4jAS2hJCyhDLCb2Q//iW4FWvdlmtTVvgZfDctpfugo198RkZdu+O1ur57UcWyXCD4 li+0/PN9I9Z6OnmTPhub9JmSajzLlRcoEANnTnsw= Received: from DLEE113.ent.ti.com (dlee113.ent.ti.com [157.170.170.24]) by lelv0266.itg.ti.com (8.15.2/8.15.2) with ESMTPS id 40MA1HCN093558 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL); Mon, 22 Jan 2024 04:01:17 -0600 Received: from DLEE104.ent.ti.com (157.170.170.34) by DLEE113.ent.ti.com (157.170.170.24) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2507.23; Mon, 22 Jan 2024 04:01:17 -0600 Received: from lelvsmtp5.itg.ti.com (10.180.75.250) by DLEE104.ent.ti.com (157.170.170.34) 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, 22 Jan 2024 04:01:17 -0600 Received: from [172.24.227.9] (uda0492258.dhcp.ti.com [172.24.227.9]) by lelvsmtp5.itg.ti.com (8.15.2/8.15.2) with ESMTP id 40MA1C0r016811; Mon, 22 Jan 2024 04:01:12 -0600 Message-ID: Date: Mon, 22 Jan 2024 15:31:11 +0530 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird CC: , , , , , , , , , , , , , Subject: Re: [PATCH v2] dt-bindings: PCI: ti,j721e-pci-host: Add support for J722S SoC Content-Language: en-US To: Conor Dooley References: <20240122064457.664542-1-s-vadapalli@ti.com> <20240122-getting-drippy-bb22a0634092@spud> From: Siddharth Vadapalli In-Reply-To: <20240122-getting-drippy-bb22a0634092@spud> 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-20240122_020125_985796_1B685597 X-CRM114-Status: GOOD ( 13.36 ) 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: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Hello Conor, On 22/01/24 15:17, Conor Dooley wrote: > On Mon, Jan 22, 2024 at 12:14:57PM +0530, Siddharth Vadapalli wrote: >> TI's J722S SoC has one instance of a Gen3 Single-Lane PCIe controller. >> The controller on J722S SoC is similar to the one present on TI's AM64 >> SoC, with the difference being that the controller on AM64 SoC supports >> up to Gen2 link speed while the one on J722S SoC supports Gen3 link speed. >> >> Update the bindings with a new compatible for J722S SoC. > > Since the difference is just that this device supports a higher link > speed, should it not have a fallback compatible to the am64 variant? > Or is the programming model different for this device for the lower link > speeds different? Thank you for reviewing the patch. I shall add the same fallback compatible that am64 has which is "ti,j721e-pcie-host". I will post the v3 patch with this change if that's acceptable. -- Regards, Siddharth. _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel