From patchwork Wed Feb 9 02:06:48 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hongxing Zhu X-Patchwork-Id: 12739534 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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 11437C433F5 for ; Wed, 9 Feb 2022 02:40:15 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S241739AbiBICkM (ORCPT ); Tue, 8 Feb 2022 21:40:12 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42264 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S241649AbiBICiO (ORCPT ); Tue, 8 Feb 2022 21:38:14 -0500 Received: from inva020.nxp.com (inva020.nxp.com [92.121.34.13]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id F2160C061355; Tue, 8 Feb 2022 18:38:13 -0800 (PST) Received: from inva020.nxp.com (localhost [127.0.0.1]) by inva020.eu-rdc02.nxp.com (Postfix) with ESMTP id 680191A0FF0; Wed, 9 Feb 2022 03:38:12 +0100 (CET) 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 2FDD51A0FEB; Wed, 9 Feb 2022 03:38:12 +0100 (CET) Received: from localhost.localdomain (shlinux2.ap.freescale.net [10.192.224.44]) by aprdc01srsp001v.ap-rdc01.nxp.com (Postfix) with ESMTP id C9A77183AC99; Wed, 9 Feb 2022 10:38:10 +0800 (+08) From: Richard Zhu To: bhelgaas@google.com, shawnguo@kernel.org, l.stach@pengutronix.de Cc: hongxing.zhu@nxp.com, linux-pci@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, kernel@pengutronix.de, linux-imx@nxp.com Subject: [PATCH v2] arm64: dts: imx8mq-evk: Add second PCIe port support Date: Wed, 9 Feb 2022 10:06:48 +0800 Message-Id: <1644372408-5485-1-git-send-email-hongxing.zhu@nxp.com> X-Mailer: git-send-email 2.7.4 X-Virus-Scanned: ClamAV using ClamSMTP Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org Enable the second PCIe port support on i.MX8MQ EVK board. Signed-off-by: Richard Zhu --- arch/arm64/boot/dts/freescale/imx8mq-evk.dts | 38 ++++++++++++++++++++ 1 file changed, 38 insertions(+) diff --git a/arch/arm64/boot/dts/freescale/imx8mq-evk.dts b/arch/arm64/boot/dts/freescale/imx8mq-evk.dts index a1b7582f3ecf..06f6e44da4d4 100644 --- a/arch/arm64/boot/dts/freescale/imx8mq-evk.dts +++ b/arch/arm64/boot/dts/freescale/imx8mq-evk.dts @@ -27,6 +27,17 @@ pcie0_refclk: pcie0-refclk { clock-frequency = <100000000>; }; + reg_pcie1: regulator-pcie { + compatible = "regulator-fixed"; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_pcie1_reg>; + regulator-name = "MPCIE_3V3"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + gpio = <&gpio5 10 GPIO_ACTIVE_HIGH>; + enable-active-high; + }; + reg_usdhc2_vmmc: regulator-vsd-3v3 { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_reg_usdhc2>; @@ -327,6 +338,20 @@ &pcie0 { status = "okay"; }; +&pcie1 { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_pcie1>; + reset-gpio = <&gpio5 12 GPIO_ACTIVE_LOW>; + clocks = <&clk IMX8MQ_CLK_PCIE2_ROOT>, + <&clk IMX8MQ_CLK_PCIE2_AUX>, + <&clk IMX8MQ_CLK_PCIE2_PHY>, + <&pcie0_refclk>; + clock-names = "pcie", "pcie_aux", "pcie_phy", "pcie_bus"; + vpcie-supply = <®_pcie1>; + vph-supply = <&vgen5_reg>; + status = "okay"; +}; + &pgc_gpu { power-supply = <&sw1a_reg>; }; @@ -482,6 +507,19 @@ MX8MQ_IOMUXC_UART4_RXD_GPIO5_IO28 0x16 >; }; + pinctrl_pcie1: pcie1grp { + fsl,pins = < + MX8MQ_IOMUXC_I2C4_SDA_PCIE2_CLKREQ_B 0x76 + MX8MQ_IOMUXC_ECSPI2_MISO_GPIO5_IO12 0x16 + >; + }; + + pinctrl_pcie1_reg: pcie1reggrp { + fsl,pins = < + MX8MQ_IOMUXC_ECSPI2_SCLK_GPIO5_IO10 0x16 + >; + }; + pinctrl_qspi: qspigrp { fsl,pins = < MX8MQ_IOMUXC_NAND_ALE_QSPI_A_SCLK 0x82