From patchwork Fri Oct 20 11:32:21 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Siddharth Vadapalli X-Patchwork-Id: 13430608 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 E8C21CDB474 for ; Fri, 20 Oct 2023 11:33:14 +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:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version: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=ejpx2Zd+EGTlkWomXVSM0cABtQ6sq4nfeYj0X2NZwE0=; b=RQ4hhnHb4SoUo+ 7f4lKDA3CJjw5rL8XoLCV3Cgtb7SNw0/izV0GJwcJ6SC0NLji2Ma6rHdCsbeVuxAOFtvF6ZJzIGaN VtQAZXj7Vt0t02bi6ca5e6s3swnxnyvSamYLop7XgcrbHG7CE3J0VOst2IqRYojbl7oRa0jTRY0mu KgX9hKfCZIltpS9PDltYQjTZiLE1PGHoOSqXRPcaAk1qtuWdxBl9XuOlQn3OewusQ9KaEE9cAc3jJ 6Gb6kkzPAaXl1mMT/9C14Hg0NykBoqV7+H/WEITyqvKPB5/bi0MM/K0EIVEDfwOIoMWFxNJjBmvjC r4sJ3lSbH5hl/DwXfw6A==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1qtnk9-0028qN-2C; Fri, 20 Oct 2023 11:32:41 +0000 Received: from fllv0016.ext.ti.com ([198.47.19.142]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1qtnk5-0028oH-0s for linux-arm-kernel@lists.infradead.org; Fri, 20 Oct 2023 11:32:41 +0000 Received: from lelv0266.itg.ti.com ([10.180.67.225]) by fllv0016.ext.ti.com (8.15.2/8.15.2) with ESMTP id 39KBWUxW037629; Fri, 20 Oct 2023 06:32:30 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1697801550; bh=omxVtsXo+uqZpX+lq7lj3MJYa3V6AVxm8kvEK0JrzwM=; h=From:To:CC:Subject:Date:In-Reply-To:References; b=ai7ucsq4xhU298aWfrdV+tmOOUxEzTOM04MIvIy6Yw/af8/bjlcB//9iDTwqYHCrj VNwohuazyxwaExeowIZmCln+EYi9AW2AOQ7+BfMtqS96aBmOcmQy3VEsxK3FH8/VvY xmtxgyHJMEIN5s7s8+AhfgD5eMVuC4e7yNQarhNo= Received: from DLEE114.ent.ti.com (dlee114.ent.ti.com [157.170.170.25]) by lelv0266.itg.ti.com (8.15.2/8.15.2) with ESMTPS id 39KBWUa2026577 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL); Fri, 20 Oct 2023 06:32:30 -0500 Received: from DLEE109.ent.ti.com (157.170.170.41) by DLEE114.ent.ti.com (157.170.170.25) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2507.23; Fri, 20 Oct 2023 06:32:30 -0500 Received: from fllv0039.itg.ti.com (10.64.41.19) by DLEE109.ent.ti.com (157.170.170.41) 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; Fri, 20 Oct 2023 06:32:30 -0500 Received: from uda0492258.dhcp.ti.com (ileaxei01-snat.itg.ti.com [10.180.69.5]) by fllv0039.itg.ti.com (8.15.2/8.15.2) with ESMTP id 39KBWMTW076525; Fri, 20 Oct 2023 06:32:27 -0500 From: Siddharth Vadapalli To: , , , , , CC: , , , , , Subject: [PATCH 1/2] arm64: dts: ti: k3-j721e-evm: Add overlay for PCIE0 Endpoint Mode Date: Fri, 20 Oct 2023 17:02:21 +0530 Message-ID: <20231020113222.3161829-2-s-vadapalli@ti.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20231020113222.3161829-1-s-vadapalli@ti.com> References: <20231020113222.3161829-1-s-vadapalli@ti.com> MIME-Version: 1.0 X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20231020_043237_424462_0D06AB31 X-CRM114-Status: GOOD ( 13.40 ) 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: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Add overlay to enable the PCIE0 instance of PCIe on J721E-EVM in Endpoint mode of operation. Signed-off-by: Siddharth Vadapalli --- arch/arm64/boot/dts/ti/Makefile | 3 ++ .../boot/dts/ti/k3-j721e-evm-pcie0-ep.dtso | 53 +++++++++++++++++++ 2 files changed, 56 insertions(+) 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/Makefile index 8bd5acc6d683..8d57ea89bf87 100644 --- a/arch/arm64/boot/dts/ti/Makefile +++ b/arch/arm64/boot/dts/ti/Makefile @@ -62,6 +62,8 @@ dtb-$(CONFIG_ARCH_K3) += k3-j7200-evm.dtb k3-j721e-evm-dtbs := k3-j721e-common-proc-board.dtb k3-j721e-evm-quad-port-eth-exp.dtbo dtb-$(CONFIG_ARCH_K3) += k3-j721e-beagleboneai64.dtb dtb-$(CONFIG_ARCH_K3) += k3-j721e-evm.dtb +k3-j721e-evm-pcie0-ep-dtbs := k3-j721e-evm.dtb k3-j721e-evm-pcie0-ep.dtbo +dtb-$(CONFIG_ARCH_K3) += k3-j721e-evm-pcie0-ep.dtb dtb-$(CONFIG_ARCH_K3) += k3-j721e-evm-gesi-exp-board.dtbo dtb-$(CONFIG_ARCH_K3) += k3-j721e-sk.dtb @@ -81,4 +83,5 @@ DTC_FLAGS_k3-am625-sk += -@ DTC_FLAGS_k3-am62-lp-sk += -@ DTC_FLAGS_k3-am6548-iot2050-advanced-m2 += -@ DTC_FLAGS_k3-j721e-common-proc-board += -@ +DTC_FLAGS_k3-j721e-evm += -@ DTC_FLAGS_k3-j721s2-common-proc-board += -@ 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 the + * J7 common processor board. + * + * J7 Common Processor Board Product Link: https://www.ti.com/tool/J721EXCPXEVM + * + * 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 = "disabled"; +}; + +&cbass_main { + #address-cells = <2>; + #size-cells = <2>; + interrupt-parent = <&gic500>; + + pcie0_ep: pcie-ep@2900000 { + compatible = "ti,j721e-pcie-ep"; + reg = <0x00 0x02900000 0x00 0x1000>, + <0x00 0x02907000 0x00 0x400>, + <0x00 0x0d000000 0x00 0x00800000>, + <0x00 0x10000000 0x00 0x08000000>; + reg-names = "intd_cfg", "user_cfg", "reg", "mem"; + interrupt-names = "link_state"; + interrupts = ; + ti,syscon-pcie-ctrl = <&scm_conf 0x4070>; + max-link-speed = <3>; + num-lanes = <1>; + power-domains = <&k3_pds 239 TI_SCI_PD_EXCLUSIVE>; + clocks = <&k3_clks 239 1>; + clock-names = "fck"; + max-functions = /bits/ 8 <6>; + max-virtual-functions = /bits/ 8 <4 4 4 4 0 0>; + dma-coherent; + phys = <&serdes0_pcie_link>; + phy-names = "pcie-phy"; + }; +};