From patchwork Thu Sep 26 06:07:52 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hongxing Zhu X-Patchwork-Id: 13812834 X-Patchwork-Delegate: manivannanece23@gmail.com Received: from inva020.nxp.com (inva020.nxp.com [92.121.34.13]) (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 3795F1A4AA6; Thu, 26 Sep 2024 06:30:45 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=92.121.34.13 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1727332247; cv=none; b=Mg0ol/D1rhmxh5qHvShzEDEwEC0U/tTwDAu/ttm1J8MlAlDZzpMsAALJFLVshyfJ5T/4lmjDV0cRlulkZFEFrpyETKKhiDrbaF105ayF6oN1aYNc19OaHE6zEsMV23TiV/qx4M2ZHFcrxnKID0XJAqkky6Fqjq0IXQmtiJk+L34= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1727332247; c=relaxed/simple; bh=SGOfHYZeKGSHd0W9j9kxAEOwDChEv5eLNk9JAYnJkZs=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References; b=sdxyDhMvOZW8X/OSWuFK72hz2VhwqejSkecbSXYCOmdXLCexgEkQPJG/WxUvw2qFFuzsKCcDhYVuMVcolB2XV2tVaYiY2N7tp9rNdHuY/6ga8c0nKrT2LM9/AF4u+fCDWen4SZiJMmLSy9zyND4sbQWUOrHciD8dY+j7trWySoc= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=nxp.com; spf=pass smtp.mailfrom=nxp.com; arc=none smtp.client-ip=92.121.34.13 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=nxp.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=nxp.com Received: from inva020.nxp.com (localhost [127.0.0.1]) by inva020.eu-rdc02.nxp.com (Postfix) with ESMTP id A61EA1A241F; Thu, 26 Sep 2024 08:30:44 +0200 (CEST) Received: from aprdc01srsp001v.ap-rdc01.nxp.com (aprdc01srsp001v.ap-rdc01.nxp.com [165.114.16.16]) by inva020.eu-rdc02.nxp.com (Postfix) with ESMTP id 776731A0FAE; Thu, 26 Sep 2024 08:30:44 +0200 (CEST) Received: from localhost.localdomain (shlinux2.ap.freescale.net [10.192.224.44]) by aprdc01srsp001v.ap-rdc01.nxp.com (Postfix) with ESMTP id EDC93183F0C2; Thu, 26 Sep 2024 14:30:41 +0800 (+08) From: Richard Zhu To: l.stach@pengutronix.de, kwilczynski@kernel.org, bhelgaas@google.com, lpieralisi@kernel.org, frank.li@nxp.com, robh+dt@kernel.org, conor+dt@kernel.org, shawnguo@kernel.org, krzysztof.kozlowski+dt@linaro.org, festevam@gmail.com, s.hauer@pengutronix.de Cc: linux-pci@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, kernel@pengutronix.de, imx@lists.linux.dev, Richard Zhu Subject: [PATCH v3 8/9] PCI: imx6: Add i.MX8MQ i.MX8Q and i.MX95 PCIe PM support Date: Thu, 26 Sep 2024 14:07:52 +0800 Message-Id: <1727330873-17486-9-git-send-email-hongxing.zhu@nxp.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1727330873-17486-1-git-send-email-hongxing.zhu@nxp.com> References: <1727330873-17486-1-git-send-email-hongxing.zhu@nxp.com> X-Virus-Scanned: ClamAV using ClamSMTP Precedence: bulk X-Mailing-List: linux-pci@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Add iMX8MQ i.MX8Q and i.MX95 PCIe suspend/resume support. Signed-off-by: Richard Zhu Reviewed-by: Frank Li --- drivers/pci/controller/dwc/pci-imx6.c | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) diff --git a/drivers/pci/controller/dwc/pci-imx6.c b/drivers/pci/controller/dwc/pci-imx6.c index 36df439d43ae..a8505cd3b53d 100644 --- a/drivers/pci/controller/dwc/pci-imx6.c +++ b/drivers/pci/controller/dwc/pci-imx6.c @@ -1497,7 +1497,8 @@ static const struct imx_pcie_drvdata drvdata[] = { [IMX8MQ] = { .variant = IMX8MQ, .flags = IMX_PCIE_FLAG_HAS_APP_RESET | - IMX_PCIE_FLAG_HAS_PHY_RESET, + IMX_PCIE_FLAG_HAS_PHY_RESET | + IMX_PCIE_FLAG_SUPPORTS_SUSPEND, .gpr = "fsl,imx8mq-iomuxc-gpr", .clk_names = imx8mq_clks, .clks_cnt = ARRAY_SIZE(imx8mq_clks), @@ -1535,13 +1536,15 @@ static const struct imx_pcie_drvdata drvdata[] = { [IMX8Q] = { .variant = IMX8Q, .flags = IMX_PCIE_FLAG_HAS_PHYDRV | - IMX_PCIE_FLAG_CPU_ADDR_FIXUP, + IMX_PCIE_FLAG_CPU_ADDR_FIXUP | + IMX_PCIE_FLAG_SUPPORTS_SUSPEND, .clk_names = imx8q_clks, .clks_cnt = ARRAY_SIZE(imx8q_clks), }, [IMX95] = { .variant = IMX95, - .flags = IMX_PCIE_FLAG_HAS_SERDES, + .flags = IMX_PCIE_FLAG_HAS_SERDES | + IMX_PCIE_FLAG_SUPPORTS_SUSPEND, .clk_names = imx95_clks, .clks_cnt = ARRAY_SIZE(imx95_clks), .ltssm_off = IMX95_PE0_GEN_CTRL_3,