From patchwork Thu Sep 5 10:45:49 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vidya Sagar X-Patchwork-Id: 1158354 X-Patchwork-Delegate: lorenzo.pieralisi@arm.com Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=linux-pci-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=pass (p=none dis=none) header.from=nvidia.com Authentication-Results: ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=nvidia.com header.i=@nvidia.com header.b="MVlyMIXW"; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 46PHRb6dLNz9sP3 for ; Thu, 5 Sep 2019 20:46:19 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2387983AbfIEKqP (ORCPT ); Thu, 5 Sep 2019 06:46:15 -0400 Received: from hqemgate14.nvidia.com ([216.228.121.143]:15979 "EHLO hqemgate14.nvidia.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727900AbfIEKqO (ORCPT ); Thu, 5 Sep 2019 06:46:14 -0400 Received: from hqpgpgate101.nvidia.com (Not Verified[216.228.121.13]) by hqemgate14.nvidia.com (using TLS: TLSv1.2, DES-CBC3-SHA) id ; Thu, 05 Sep 2019 03:46:14 -0700 Received: from hqmail.nvidia.com ([172.20.161.6]) by hqpgpgate101.nvidia.com (PGP Universal service); Thu, 05 Sep 2019 03:46:13 -0700 X-PGP-Universal: processed; by hqpgpgate101.nvidia.com on Thu, 05 Sep 2019 03:46:13 -0700 Received: from HQMAIL111.nvidia.com (172.20.187.18) by HQMAIL101.nvidia.com (172.20.187.10) with Microsoft SMTP Server (TLS) id 15.0.1473.3; Thu, 5 Sep 2019 10:46:13 +0000 Received: from hqnvemgw02.nvidia.com (172.16.227.111) by HQMAIL111.nvidia.com (172.20.187.18) with Microsoft SMTP Server (TLS) id 15.0.1473.3 via Frontend Transport; Thu, 5 Sep 2019 10:46:13 +0000 Received: from vidyas-desktop.nvidia.com (Not Verified[10.24.37.38]) by hqnvemgw02.nvidia.com with Trustwave SEG (v7, 5, 8, 10121) id ; Thu, 05 Sep 2019 03:46:12 -0700 From: Vidya Sagar To: , , , , , CC: , , , , , , , , , , , , Subject: [PATCH V4 2/6] dt-bindings: PCI: tegra: Add PCIe slot supplies regulator entries Date: Thu, 5 Sep 2019 16:15:49 +0530 Message-ID: <20190905104553.2884-3-vidyas@nvidia.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20190905104553.2884-1-vidyas@nvidia.com> References: <20190905104553.2884-1-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=1567680374; bh=N2xSbEeco7MflIcCuTCLEJmxwVL2xhrZpdQdZjq2giw=; h=X-PGP-Universal:From:To:CC:Subject:Date:Message-ID:X-Mailer: In-Reply-To:References:X-NVConfidentiality:MIME-Version: Content-Type; b=MVlyMIXWnm1etK8JylYBuWyMlA+ASGjvXN9FOnClKgv7CuHcjCDg9IwP3dgJVQitI mNWl6/Kjr5nreywsxhQMPeqKO0J2UYK9POYX5B+WbFh5+fLNBimgxK5iIpgYo10CfC AQl2aKIehI/9Mwo0WkSV4Tg98O17uPKkGts54Q4l1AIilaJqKGtvnK1qZmJQEijyQy LYDKZ3UWJrWezBALtxx5Njdyidt83PgD7ZH/+R+aztNF0VmK8GSiIdK67hfoqKG4dH ubGqIlrR4kTyxwmbbem3eQSr5wrxG8PtmhAXWQvYFC7nMS1yyxpVj1x+PTFNzE4E5y 6ZAP9jfpwcavA== Sender: linux-pci-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org Add optional bindings "vpcie3v3-supply" and "vpcie12v-supply" to describe regulators of a PCIe slot's supplies 3.3V and 12V provided the platform is designed to have regulator controlled slot supplies. Signed-off-by: Vidya Sagar Reviewed-by: Andrew Murray Reviewed-by: Rob Herring Acked-by: Thierry Reding --- V4: * None V3: * None V2: * None .../devicetree/bindings/pci/nvidia,tegra194-pcie.txt | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/Documentation/devicetree/bindings/pci/nvidia,tegra194-pcie.txt b/Documentation/devicetree/bindings/pci/nvidia,tegra194-pcie.txt index 0ac1b867ac24..b739f92da58e 100644 --- a/Documentation/devicetree/bindings/pci/nvidia,tegra194-pcie.txt +++ b/Documentation/devicetree/bindings/pci/nvidia,tegra194-pcie.txt @@ -104,6 +104,12 @@ Optional properties: specified in microseconds - nvidia,aspm-l0s-entrance-latency-us: ASPM L0s entrance latency to be specified in microseconds +- vpcie3v3-supply: A phandle to the regulator node that supplies 3.3V to the slot + if the platform has one such slot. (Ex:- x16 slot owned by C5 controller + in p2972-0000 platform). +- vpcie12v-supply: A phandle to the regulator node that supplies 12V to the slot + if the platform has one such slot. (Ex:- x16 slot owned by C5 controller + in p2972-0000 platform). Examples: ========= @@ -156,6 +162,8 @@ Tegra194: 0xc2000000 0x18 0x00000000 0x18 0x00000000 0x4 0x00000000>; /* prefetchable memory (16GB) */ vddio-pex-ctl-supply = <&vdd_1v8ao>; + vpcie3v3-supply = <&vdd_3v3_pcie>; + vpcie12v-supply = <&vdd_12v_pcie>; phys = <&p2u_hsio_2>, <&p2u_hsio_3>, <&p2u_hsio_4>, <&p2u_hsio_5>;