From patchwork Mon Mar 7 06:14:30 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hongxing Zhu X-Patchwork-Id: 12771216 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 8F85CC433EF for ; Mon, 7 Mar 2022 06:24:57 +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:MIME-Version:List-Subscribe:List-Help: List-Post:List-Archive:List-Unsubscribe:List-Id:References:In-Reply-To: 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: List-Owner; bh=hmZ+QapzonBf3XPT7RBx8jKYzSA0dDRn0PoKOa8tIAE=; b=kH+UsjfyQZwbFd yZhV6U6zXP2d2qKvgs12qqyNjVtKTc/e4guiak7RXufEW13ThLSA7UKkXNDSa/nQdkD1wxmHAQyEk 04t/qBzelV3vlG1ToquzOI461D1IgUeLqpjHRQdb2CkOoWyHDjLbsi38do900bFzodnr9MZY0m/Zj 54Cm3ocIx9w2RrDtYtoA9mbbH28eh7EYXHcCJG6UFeuEC08PUlZTHG84qf25MoIVIS/8UYzwVcJvR x53LDWvdfCrhAn/S4rpsQYTf3WNk8tDoXD82ktpt0J0z92R85Oy/bImM9yj7yrtCf2gd70MjNh83F znw6mpH6lOupPJO3bILw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1nR6mc-00G17H-Ah; Mon, 07 Mar 2022 06:23:50 +0000 Received: from inva021.nxp.com ([92.121.34.21]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1nR6mP-00G12B-4l for linux-arm-kernel@lists.infradead.org; Mon, 07 Mar 2022 06:23:38 +0000 Received: from inva021.nxp.com (localhost [127.0.0.1]) by inva021.eu-rdc02.nxp.com (Postfix) with ESMTP id 8BB782020DC; Mon, 7 Mar 2022 07:23:33 +0100 (CET) Received: from aprdc01srsp001v.ap-rdc01.nxp.com (aprdc01srsp001v.ap-rdc01.nxp.com [165.114.16.16]) by inva021.eu-rdc02.nxp.com (Postfix) with ESMTP id 418192017F9; Mon, 7 Mar 2022 07:23:33 +0100 (CET) Received: from localhost.localdomain (shlinux2.ap.freescale.net [10.192.224.44]) by aprdc01srsp001v.ap-rdc01.nxp.com (Postfix) with ESMTP id D8F7D183AD67; Mon, 7 Mar 2022 14:23:31 +0800 (+08) From: Richard Zhu To: p.zabel@pengutronix.de, l.stach@pengutronix.de, bhelgaas@google.com, lorenzo.pieralisi@arm.com, robh@kernel.org, shawnguo@kernel.org Cc: devicetree@vger.kernel.org, linux-pci@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, kernel@pengutronix.de, linux-imx@nxp.com, Richard Zhu Subject: [RFC 1/7] reset: imx7: Add the iMX8MP PCIe PHY PERST support Date: Mon, 7 Mar 2022 14:14:30 +0800 Message-Id: <1646633676-23535-2-git-send-email-hongxing.zhu@nxp.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1646633676-23535-1-git-send-email-hongxing.zhu@nxp.com> References: <1646633676-23535-1-git-send-email-hongxing.zhu@nxp.com> X-Virus-Scanned: ClamAV using ClamSMTP X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220306_222337_362063_24C328D8 X-CRM114-Status: UNSURE ( 8.02 ) 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: , MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Add the i.MX8MP PCIe PHY PERST support. Signed-off-by: Richard Zhu --- drivers/reset/reset-imx7.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/reset/reset-imx7.c b/drivers/reset/reset-imx7.c index 185a333df66c..d2408725eb2c 100644 --- a/drivers/reset/reset-imx7.c +++ b/drivers/reset/reset-imx7.c @@ -329,6 +329,7 @@ static int imx8mp_reset_set(struct reset_controller_dev *rcdev, break; case IMX8MP_RESET_PCIE_CTRL_APPS_EN: + case IMX8MP_RESET_PCIEPHY_PERST: value = assert ? 0 : bit; break; }