From nobody Wed Dec 17 11:33:39 2025 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 B4E66C4167B for ; Mon, 11 Dec 2023 11:56:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234464AbjLKL4N (ORCPT ); Mon, 11 Dec 2023 06:56:13 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53894 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234825AbjLKL4D (ORCPT ); Mon, 11 Dec 2023 06:56:03 -0500 Received: from fllv0016.ext.ti.com (fllv0016.ext.ti.com [198.47.19.142]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9AD77CF; Mon, 11 Dec 2023 03:56:07 -0800 (PST) Received: from lelv0266.itg.ti.com ([10.180.67.225]) by fllv0016.ext.ti.com (8.15.2/8.15.2) with ESMTP id 3BBBthrF042338; Mon, 11 Dec 2023 05:55:43 -0600 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1702295743; bh=JnX/kZxzVmfFBUL3hb5Nb2R10suzXcI+2vPQjT9EL7c=; h=From:To:CC:Subject:Date:In-Reply-To:References; b=cxTs6uf3Fa89fTfRyPLPwf+sfblI6vECMbc+ZvrjPOi4xHPd/Hn0o5TwJsKnyJcui 37YvvLQ6sRzXJVpNILhIF9HgQMbKgfvPpXcaamWmaDFwB2QN1x9neuLLKZeCCBARQA fL373TogsvkEih0pNJc8SXxUhBOY1tmHxWZzekrg= Received: from DFLE107.ent.ti.com (dfle107.ent.ti.com [10.64.6.28]) by lelv0266.itg.ti.com (8.15.2/8.15.2) with ESMTPS id 3BBBthDh099536 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL); Mon, 11 Dec 2023 05:55:43 -0600 Received: from DFLE103.ent.ti.com (10.64.6.24) by DFLE107.ent.ti.com (10.64.6.28) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2507.23; Mon, 11 Dec 2023 05:55:43 -0600 Received: from lelvsmtp5.itg.ti.com (10.180.75.250) by DFLE103.ent.ti.com (10.64.6.24) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2507.23 via Frontend Transport; Mon, 11 Dec 2023 05:55:43 -0600 Received: from uda0492258.dhcp.ti.com (uda0492258.dhcp.ti.com [172.24.227.9]) by lelvsmtp5.itg.ti.com (8.15.2/8.15.2) with ESMTP id 3BBBtZcq078322; Mon, 11 Dec 2023 05:55:40 -0600 From: Siddharth Vadapalli To: , , , , , , CC: , , , , , Subject: [PATCH v3 1/2] arm64: dts: ti: k3-j721e-evm: Add overlay for PCIE0 Endpoint Mode Date: Mon, 11 Dec 2023 17:25:34 +0530 Message-ID: <20231211115535.1264353-2-s-vadapalli@ti.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20231211115535.1264353-1-s-vadapalli@ti.com> References: <20231211115535.1264353-1-s-vadapalli@ti.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Add overlay to enable the PCIE0 instance of PCIe on J721E-EVM in Endpoint mode of operation. Signed-off-by: Siddharth Vadapalli Reviewed-by: Ravi Gunasekaran Reviewed-by: Andrew Davis --- arch/arm64/boot/dts/ti/Makefile | 6 ++- .../boot/dts/ti/k3-j721e-evm-pcie0-ep.dtso | 53 +++++++++++++++++++ 2 files changed, 58 insertions(+), 1 deletion(-) create mode 100644 arch/arm64/boot/dts/ti/k3-j721e-evm-pcie0-ep.dtso diff --git a/arch/arm64/boot/dts/ti/Makefile b/arch/arm64/boot/dts/ti/Makef= ile index 1ac47876bc99..c6606b7678a3 100644 --- a/arch/arm64/boot/dts/ti/Makefile +++ b/arch/arm64/boot/dts/ti/Makefile @@ -67,6 +67,7 @@ k3-j721e-evm-dtbs :=3D k3-j721e-common-proc-board.dtb k3-= j721e-evm-quad-port-eth-e dtb-$(CONFIG_ARCH_K3) +=3D k3-j721e-beagleboneai64.dtb dtb-$(CONFIG_ARCH_K3) +=3D k3-j721e-evm.dtb dtb-$(CONFIG_ARCH_K3) +=3D k3-j721e-evm-gesi-exp-board.dtbo +dtb-$(CONFIG_ARCH_K3) +=3D k3-j721e-evm-pcie0-ep.dtbo dtb-$(CONFIG_ARCH_K3) +=3D k3-j721e-sk.dtb =20 # Boards with J721s2 SoC @@ -103,6 +104,8 @@ k3-am642-tqma64xxl-mbax4xxl-sdcard-dtbs :=3D \ k3-am642-tqma64xxl-mbax4xxl.dtb k3-am64-tqma64xxl-mbax4xxl-sdcard.dtbo k3-am642-tqma64xxl-mbax4xxl-wlan-dtbs :=3D \ k3-am642-tqma64xxl-mbax4xxl.dtb k3-am64-tqma64xxl-mbax4xxl-wlan.dtbo +k3-j721e-evm-pcie0-ep-dtbs :=3D k3-j721e-common-proc-board.dtb \ + k3-j721e-evm-pcie0-ep.dtbo dtb- +=3D k3-am625-beagleplay-csi2-ov5640.dtb \ k3-am625-beagleplay-csi2-tevi-ov5640.dtb \ k3-am625-sk-csi2-imx219.dtb \ @@ -113,7 +116,8 @@ dtb- +=3D k3-am625-beagleplay-csi2-ov5640.dtb \ k3-am62a7-sk-csi2-imx219.dtb \ k3-am62a7-sk-csi2-ov5640.dtb \ k3-am642-tqma64xxl-mbax4xxl-sdcard.dtb \ - k3-am642-tqma64xxl-mbax4xxl-wlan.dtb + k3-am642-tqma64xxl-mbax4xxl-wlan.dtb \ + k3-j721e-evm-pcie0-ep.dtb =20 # Enable support for device-tree overlays DTC_FLAGS_k3-am625-beagleplay +=3D -@ diff --git a/arch/arm64/boot/dts/ti/k3-j721e-evm-pcie0-ep.dtso b/arch/arm64= /boot/dts/ti/k3-j721e-evm-pcie0-ep.dtso new file mode 100644 index 000000000000..0c82a13b65a4 --- /dev/null +++ b/arch/arm64/boot/dts/ti/k3-j721e-evm-pcie0-ep.dtso @@ -0,0 +1,53 @@ +// SPDX-License-Identifier: GPL-2.0 +/** + * DT Overlay for enabling PCIE0 instance in Endpoint Configuration with t= he + * J7 common processor board. + * + * J7 Common Processor Board Product Link: https://www.ti.com/tool/J721EXC= PXEVM + * + * Copyright (C) 2023 Texas Instruments Incorporated - https://www.ti.com/ + */ + +/dts-v1/; +/plugin/; + +#include +#include + +#include "k3-pinctrl.h" + +/* + * Since Root Complex and Endpoint modes are mutually exclusive + * disable Root Complex mode. + */ +&pcie0_rc { + status =3D "disabled"; +}; + +&cbass_main { + #address-cells =3D <2>; + #size-cells =3D <2>; + interrupt-parent =3D <&gic500>; + + pcie0_ep: pcie-ep@2900000 { + compatible =3D "ti,j721e-pcie-ep"; + reg =3D <0x00 0x02900000 0x00 0x1000>, + <0x00 0x02907000 0x00 0x400>, + <0x00 0x0d000000 0x00 0x00800000>, + <0x00 0x10000000 0x00 0x08000000>; + reg-names =3D "intd_cfg", "user_cfg", "reg", "mem"; + interrupt-names =3D "link_state"; + interrupts =3D ; + ti,syscon-pcie-ctrl =3D <&scm_conf 0x4070>; + max-link-speed =3D <3>; + num-lanes =3D <1>; + power-domains =3D <&k3_pds 239 TI_SCI_PD_EXCLUSIVE>; + clocks =3D <&k3_clks 239 1>; + clock-names =3D "fck"; + max-functions =3D /bits/ 8 <6>; + max-virtual-functions =3D /bits/ 8 <4 4 4 4 0 0>; + dma-coherent; + phys =3D <&serdes0_pcie_link>; + phy-names =3D "pcie-phy"; + }; +}; --=20 2.34.1