From patchwork Tue Oct 12 08:41:17 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Richard Zhu X-Patchwork-Id: 12551775 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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id E558CC433F5 for ; Tue, 12 Oct 2021 09:12:02 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id ACFE061056 for ; Tue, 12 Oct 2021 09:12:02 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org ACFE061056 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=nxp.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=lists.infradead.org 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=B4xgbwdsVf7e5mG8tZT3ogu0uHtC340fM/qO3hEGvhw=; b=n9wbINXzaQSrvS ffaKYzdWnlDEIoLgddXS7WqnM9SqCWPhQ13D/mYETV4TAr0yRXDVoh/t2aTvnVoAnVKiIv/4918nw w29KstOFhY3MQqPwI9ME4mF7mM9mrmgAA6S11dl2twdycUFbaTfB6/jvxdHGfzyTx4pooyulIQcUe EqTQtI2lZsswmV4TB4kZrkbzPzfHwGB8ilb1S4Ik2t5Vg2ujY0VRXmfVbTPQJcLhUz2uN9RRSUzrc GWTdmS0GClRLHsLeSN2Sf4BhV8kgqy8nzBD7elHDEtzWuuHzp3iZeRXoOFWIo+9dfIfWwtfVZX+J5 nPK1SOLbCet30ak+cwBw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1maDmn-00CAIJ-KZ; Tue, 12 Oct 2021 09:09:26 +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 1maDjk-00C8ta-Fp; Tue, 12 Oct 2021 09:06:18 +0000 Received: from inva021.nxp.com (localhost [127.0.0.1]) by inva021.eu-rdc02.nxp.com (Postfix) with ESMTP id 2C61D201D4F; Tue, 12 Oct 2021 11:06:15 +0200 (CEST) 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 F11DC201D49; Tue, 12 Oct 2021 11:06:14 +0200 (CEST) Received: from localhost.localdomain (shlinux2.ap.freescale.net [10.192.224.44]) by aprdc01srsp001v.ap-rdc01.nxp.com (Postfix) with ESMTP id 4C5D0183AD0B; Tue, 12 Oct 2021 17:06:13 +0800 (+08) From: Richard Zhu To: l.stach@pengutronix.de, tharvey@gateworks.com, kishon@ti.com, vkoul@kernel.org, robh@kernel.org, galak@kernel.crashing.org, shawnguo@kernel.org Cc: linux-phy@lists.infradead.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, kernel@pengutronix.de, linux-imx@nxp.com, Richard Zhu Subject: [PATCH v3 8/9] arm64: dts: imx8mm-evk: add the pcie support on imx8mm evk board Date: Tue, 12 Oct 2021 16:41:17 +0800 Message-Id: <1634028078-2387-9-git-send-email-hongxing.zhu@nxp.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1634028078-2387-1-git-send-email-hongxing.zhu@nxp.com> References: <1634028078-2387-1-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-20211012_020616_694297_E0265AFC X-CRM114-Status: UNSURE ( 8.18 ) 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 PCIe support on i.MX8MM EVK board. Signed-off-by: Richard Zhu --- arch/arm64/boot/dts/freescale/imx8mm-evk.dtsi | 46 +++++++++++++++++++ 1 file changed, 46 insertions(+) diff --git a/arch/arm64/boot/dts/freescale/imx8mm-evk.dtsi b/arch/arm64/boot/dts/freescale/imx8mm-evk.dtsi index 2d0684ac82f6..5ce43daa0c8b 100644 --- a/arch/arm64/boot/dts/freescale/imx8mm-evk.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8mm-evk.dtsi @@ -31,6 +31,23 @@ status { }; }; + pcie0_refclk: pcie0-refclk { + compatible = "fixed-clock"; + #clock-cells = <0>; + clock-frequency = <100000000>; + }; + + reg_pcie0_gpio: regulator-pcie-gpio { + compatible = "regulator-fixed"; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_pcie0_reg>; + regulator-name = "MPCIE_3V3"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + gpio = <&gpio1 5 GPIO_ACTIVE_HIGH>; + enable-active-high; + }; + reg_usdhc2_vmmc: regulator-usdhc2 { compatible = "regulator-fixed"; pinctrl-names = "default"; @@ -296,6 +313,22 @@ &pcie_phy { status = "okay"; }; +&pcie0 { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_pcie0>; + reset-gpio = <&gpio4 21 GPIO_ACTIVE_LOW>; + clocks = <&clk IMX8MM_CLK_PCIE1_ROOT>, <&clk IMX8MM_CLK_PCIE1_AUX>, + <&clk IMX8MM_CLK_DUMMY>, <&pcie0_refclk>; + clock-names = "pcie", "pcie_aux", "pcie_phy", "pcie_bus"; + assigned-clocks = <&clk IMX8MM_CLK_PCIE1_AUX>, + <&clk IMX8MM_CLK_PCIE1_CTRL>; + assigned-clock-rates = <10000000>, <250000000>; + assigned-clock-parents = <&clk IMX8MM_SYS_PLL2_50M>, + <&clk IMX8MM_SYS_PLL2_250M>; + vpcie-supply = <®_pcie0_gpio>; + status = "okay"; +}; + &sai3 { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_sai3>; @@ -413,6 +446,19 @@ MX8MM_IOMUXC_I2C3_SDA_I2C3_SDA 0x400001c3 >; }; + pinctrl_pcie0: pcie0grp { + fsl,pins = < + MX8MM_IOMUXC_I2C4_SCL_PCIE1_CLKREQ_B 0x61 + MX8MM_IOMUXC_SAI2_RXFS_GPIO4_IO21 0x41 + >; + }; + + pinctrl_pcie0_reg: pcie0reggrp { + fsl,pins = < + MX8MM_IOMUXC_GPIO1_IO05_GPIO1_IO5 0x41 + >; + }; + pinctrl_pmic: pmicirqgrp { fsl,pins = < MX8MM_IOMUXC_GPIO1_IO03_GPIO1_IO3 0x141