From patchwork Mon May 1 22:31:20 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Judith Mendez X-Patchwork-Id: 13228531 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 3BE42C77B7E for ; Tue, 2 May 2023 05:47:44 +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=dUpj0HaILtpT6Y29IBZme9DRcj/PKNYJqb8hg2GNkbI=; b=MUSZ40dnJRL31m vN0O/U7ZgffIXuoc1GvwgKV2vRPEGEeLVHtYxjbyrvpS1KfeWcTqpZvriGoKxBaZDVhRJppKOV5mH qPoTnjXLiIOy64rkKHfOx+SKqfmVXkPAqGigPZ4ZRkkYn4YIXnpFOx1g3NBYsKVn3hJCKIeaQqMTf ujDCTaHDF0YyrxJWTJ23REo31PYkggoq3gAuDwwIkszqgZ9NY1B5U/CSF7Rb4KV2u0AlGnQl+YldP 311S7gATLJ/VUs5wq9DX8+scQGu+DDluj1yiMW7cmP1Twz/TP0EP0M6o0BMQ58dCElGx32XqpiMoh FJeFzFW4QcJWjwCprI0Q==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1ptiql-000FcJ-2e; Tue, 02 May 2023 05:46:55 +0000 Received: from desiato.infradead.org ([2001:8b0:10b:1:d65d:64ff:fe57:4e05]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1ptiqk-000FbY-16 for linux-arm-kernel@bombadil.infradead.org; Tue, 02 May 2023 05:46:54 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=desiato.20200630; h=Content-Type:MIME-Version:References: In-Reply-To:Message-ID:Date:Subject:CC:To:From:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=m4At6dI4q1cQOeSFrbOq0//aBB7AqRHGOJIWxm6eOTs=; b=j8AQflGkc+V0y7VM6Yelf8e06U BgBWunwvM8WuwcQdaq89UVe6FPCqIIggjOhnSVfi5z96dkWcSaOK7jXXg15o8ZuY7LBlbBEO9S6P5 cNRjmGhcEXE+oKhFPjeF5ot9+H17bk+vIMM/6w88l4oJXLofGFJ/GDGPSP42dYDsqiSGBsYbJZnVI lY5IdvHW4GBY/XcR1ZZQGpshZAWHDqcBzpUMPnu/zHsOiVN2+jl9r/CcbMoiqSy0tkoG1YbV1wTbP XWxeuZW5yLu2kFQKXwCvOq9VbogGmtyx7xPiAfUJREpxkRPVx4b0EEjupwiPeyPz/dqCX50KSe4Jw 7FG8aH8A==; Received: from lelv0142.ext.ti.com ([198.47.23.249]) by desiato.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1ptc3m-00F23C-1T for linux-arm-kernel@lists.infradead.org; Mon, 01 May 2023 22:31:59 +0000 Received: from lelv0265.itg.ti.com ([10.180.67.224]) by lelv0142.ext.ti.com (8.15.2/8.15.2) with ESMTP id 341MVM1H014805; Mon, 1 May 2023 17:31:22 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1682980282; bh=m4At6dI4q1cQOeSFrbOq0//aBB7AqRHGOJIWxm6eOTs=; h=From:To:CC:Subject:Date:In-Reply-To:References; b=lJiM743vHys8RZB0EnWJnPuI11Q+88jP+3eWB/jmbnqOu0WMwZjo1EI6hady55O9m UW8Bp5UdSxH/8ky9oQdMbaKQAHR2QSHE5BHXPBuidAF0UkH3gOs07uAi2IwhkFQHAY tKRIdvmZFAQ5Q9wTyMj6/cHkG8BgSn6bZLfRva8s= Received: from DLEE107.ent.ti.com (dlee107.ent.ti.com [157.170.170.37]) by lelv0265.itg.ti.com (8.15.2/8.15.2) with ESMTPS id 341MVMkk027924 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL); Mon, 1 May 2023 17:31:22 -0500 Received: from DLEE111.ent.ti.com (157.170.170.22) by DLEE107.ent.ti.com (157.170.170.37) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2507.23; Mon, 1 May 2023 17:31:22 -0500 Received: from lelv0326.itg.ti.com (10.180.67.84) by DLEE111.ent.ti.com (157.170.170.22) 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, 1 May 2023 17:31:22 -0500 Received: from a0498204.dal.design.ti.com (ileaxei01-snat.itg.ti.com [10.180.69.5]) by lelv0326.itg.ti.com (8.15.2/8.15.2) with ESMTP id 341MVLEJ023009; Mon, 1 May 2023 17:31:21 -0500 From: Judith Mendez To: Chandrasekar Ramakrishnan , Wolfgang Grandegger , Marc Kleine-Budde , Krzysztof Kozlowski CC: "David S . Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , , , , Schuyler Patton , Nishanth Menon , Vignesh Raghavendra , Tero Kristo , Rob Herring , , , Oliver Hartkopp , Simon Horman Subject: [PATCH v3 3/4] DO_NOT_MERGE arm64: dts: ti: Add AM62x MCAN MAIN domain transceiver overlay Date: Mon, 1 May 2023 17:31:20 -0500 Message-ID: <20230501223121.21663-4-jm@ti.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20230501223121.21663-1-jm@ti.com> References: <20230501223121.21663-1-jm@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-20230501_233154_945477_699CC164 X-CRM114-Status: GOOD ( 14.76 ) 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 an overlay for main domain MCAN on AM62x SK. The AM62x SK board does not have on-board CAN transceiver so instead of changing the DTB permanently, add an overlay to enable MAIN domain MCAN and support for 1 CAN transceiver. This DT overlay can be used with the following EVM: Link: https://www.ti.com/tool/TCAN1042DEVM Signed-off-by: Judith Mendez --- Changelog: v3: 1. Add link for specific board arch/arm64/boot/dts/ti/Makefile | 2 ++ .../boot/dts/ti/k3-am625-sk-mcan-main.dtso | 35 +++++++++++++++++++ 2 files changed, 37 insertions(+) create mode 100644 arch/arm64/boot/dts/ti/k3-am625-sk-mcan-main.dtso diff --git a/arch/arm64/boot/dts/ti/Makefile b/arch/arm64/boot/dts/ti/Makefile index c83c9d772b81..abe15e76b614 100644 --- a/arch/arm64/boot/dts/ti/Makefile +++ b/arch/arm64/boot/dts/ti/Makefile @@ -9,8 +9,10 @@ # alphabetically. # Boards with AM62x SoC +k3-am625-sk-mcan-dtbs := k3-am625-sk.dtb k3-am625-sk-mcan-main.dtbo dtb-$(CONFIG_ARCH_K3) += k3-am625-beagleplay.dtb dtb-$(CONFIG_ARCH_K3) += k3-am625-sk.dtb +dtb-$(CONFIG_ARCH_K3) += k3-am625-sk-mcan.dtb dtb-$(CONFIG_ARCH_K3) += k3-am62-lp-sk.dtb # Boards with AM62Ax SoC diff --git a/arch/arm64/boot/dts/ti/k3-am625-sk-mcan-main.dtso b/arch/arm64/boot/dts/ti/k3-am625-sk-mcan-main.dtso new file mode 100644 index 000000000000..0a7b2f394f87 --- /dev/null +++ b/arch/arm64/boot/dts/ti/k3-am625-sk-mcan-main.dtso @@ -0,0 +1,35 @@ +// SPDX-License-Identifier: GPL-2.0 +/** + * DT overlay for MCAN transceiver in main domain on AM625 SK + * + * Copyright (C) 2022 Texas Instruments Incorporated - https://www.ti.com/ + */ + +/dts-v1/; +/plugin/; + +#include "k3-pinctrl.h" + +&{/} { + transceiver1: can-phy0 { + compatible = "ti,tcan1042"; + #phy-cells = <0>; + max-bitrate = <5000000>; + }; +}; + +&main_pmx0 { + main_mcan0_pins_default: main-mcan0-pins-default { + pinctrl-single,pins = < + AM62X_IOPAD(0x1dc, PIN_INPUT, 0) /* (E15) MCAN0_RX */ + AM62X_IOPAD(0x1d8, PIN_OUTPUT, 0) /* (C15) MCAN0_TX */ + >; + }; +}; + +&main_mcan0 { + status = "okay"; + pinctrl-names = "default"; + pinctrl-0 = <&main_mcan0_pins_default>; + phys = <&transceiver1>; +};