From patchwork Fri Jun 4 01:47:48 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hongxing Zhu X-Patchwork-Id: 12298589 X-Patchwork-Delegate: lorenzo.pieralisi@arm.com Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-18.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id A52D0C47097 for ; Fri, 4 Jun 2021 02:05:36 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 7E6E261424 for ; Fri, 4 Jun 2021 02:05:36 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229975AbhFDCHU (ORCPT ); Thu, 3 Jun 2021 22:07:20 -0400 Received: from inva021.nxp.com ([92.121.34.21]:52330 "EHLO inva021.nxp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229885AbhFDCHT (ORCPT ); Thu, 3 Jun 2021 22:07:19 -0400 Received: from inva021.nxp.com (localhost [127.0.0.1]) by inva021.eu-rdc02.nxp.com (Postfix) with ESMTP id 44CCA2039B1; Fri, 4 Jun 2021 04:05:33 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 inva021.eu-rdc02.nxp.com 44CCA2039B1 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nxp.com; s=nselector4; t=1622772333; bh=21r/3Ha2KwM1oZ30mKtfCuC/zWbmRZbOa780Bt3dfZE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=NqThJn3XTrbT9UaJz7dLR2kT4fegU5LosEuvuXLZ52MgzwEzBbZZFMCz+SrN0dZFE Tgsgzt59A8DY9JJG3r93Ri4mdObi5pTuxSp2Ap3ScP8Jd8I7XLWG/ubyvlAXcFaTzI 4APEgZ07ftvsHU+eYHD8594bPwqhGcVl4cij8wUFErkBdN00bJWFxGzbE3lsej+lEw 2WcUYha3QbZ3j4i7cWtQFCWu8aGXQI6dfGjN4fZ63l+RnsazEkcqmnz9NCLtOOVhtc iejB/lefhIGUKbR2Ifq278o2i11pmq+lfzbZIJidDVwDOxqWYa//iKGLjxU74Az1Ib 4ItAdg7eDa7og== Received: from invc005.ap-rdc01.nxp.com (invc005.ap-rdc01.nxp.com [165.114.16.14]) by inva021.eu-rdc02.nxp.com (Postfix) with ESMTP id C9E852039B2; Fri, 4 Jun 2021 04:05:27 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 inva021.eu-rdc02.nxp.com C9E852039B2 Received: from localhost.localdomain (shlinux2.ap.freescale.net [10.192.224.44]) by invc005.ap-rdc01.nxp.com (Postfix) with ESMTP id 3DEB9402F1; Fri, 4 Jun 2021 10:05:21 +0800 (+08) From: Richard Zhu To: l.stach@pengutronix.de, andrew.smirnov@gmail.com, shawnguo@kernel.org, kw@linux.com, bhelgaas@google.com, stefan@agner.ch, lorenzo.pieralisi@arm.com Cc: devicetree@vger.kernel.org, linux-pci@vger.kernel.org, linux-imx@nxp.com, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, kernel@pengutronix.de, Richard Zhu Subject: [RESEND, V5 1/2] dt-bindings: imx6q-pcie: Add "vph-supply" for PHY supply voltage Date: Fri, 4 Jun 2021 09:47:48 +0800 Message-Id: <1622771269-13844-2-git-send-email-hongxing.zhu@nxp.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1622771269-13844-1-git-send-email-hongxing.zhu@nxp.com> References: <1622771269-13844-1-git-send-email-hongxing.zhu@nxp.com> X-Virus-Scanned: ClamAV using ClamSMTP Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org The i.MX8MQ PCIe PHY can use either a 1.8V or a 3.3V power supply. Add a "vph-supply" property to indicate which regulator supplies power for the PHY. Signed-off-by: Richard Zhu Reviewed-by: Lucas Stach Acked-by: Rob Herring --- Documentation/devicetree/bindings/pci/fsl,imx6q-pcie.txt | 3 +++ 1 file changed, 3 insertions(+) diff --git a/Documentation/devicetree/bindings/pci/fsl,imx6q-pcie.txt b/Documentation/devicetree/bindings/pci/fsl,imx6q-pcie.txt index de4b2baf91e8..d8971ab99274 100644 --- a/Documentation/devicetree/bindings/pci/fsl,imx6q-pcie.txt +++ b/Documentation/devicetree/bindings/pci/fsl,imx6q-pcie.txt @@ -38,6 +38,9 @@ Optional properties: The regulator will be enabled when initializing the PCIe host and disabled either as part of the init process or when shutting down the host. +- vph-supply: Should specify the regulator in charge of VPH one of the three + PCIe PHY powers. This regulator can be supplied by both 1.8v and 3.3v voltage + supplies. Additional required properties for imx6sx-pcie: - clock names: Must include the following additional entries: