From mboxrd@z Thu Jan 1 00:00:00 1970 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 B5B8EC3ABAC for ; Fri, 2 May 2025 22:27:27 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Type: Content-Transfer-Encoding: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=0H8bxKDt3xxs+GwwIOm662M3ZGs3Da+aMqL17rxP3mE=; b=vnG17jZCX1U1bSnAWYZHjb+2t0 a+yhJHhYB29aQXNRd66klZ1tU75ddS5WsGr3ig01DX90IgpWBHTjsUgdvTcINWnTcwG358VcFE3DW tjH2pY5s0VkXN8ThiL+GDEpB8Egw4dpUgiWQLfyFb9iJM8JEZlXMGVh6NNcMwmyvo5Gm7s29GPGYr VkvgHc8IV3BflYvHqEBINgu5MxQ3HbH29KRBDE3cq94d6F0ohUXiiCNB1dS4N1JfatoWB5EpGE7mP EzXU4MVjsu4sZ1KbOgsWj8CC31PC3/V6JBjcb7gBrNs2SGrwerji8YB4Q73PTtJqNG5j/kSV+E7zs yqhKzp+w==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1uAyqk-00000003ACH-1ceU; Fri, 02 May 2025 22:27:18 +0000 Received: from lelvem-ot01.ext.ti.com ([198.47.23.234]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1uAyTj-000000037jc-3qBC for linux-arm-kernel@lists.infradead.org; Fri, 02 May 2025 22:03:39 +0000 Received: from fllv0034.itg.ti.com ([10.64.40.246]) by lelvem-ot01.ext.ti.com (8.15.2/8.15.2) with ESMTPS id 542M3QtA3955085 (version=TLSv1.2 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 2 May 2025 17:03:26 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1746223406; bh=0H8bxKDt3xxs+GwwIOm662M3ZGs3Da+aMqL17rxP3mE=; h=From:To:CC:Subject:Date:In-Reply-To:References; b=nSO0dvJ9Ea11m/dUABvlGUiZilR0/IT6aMFzkNDhARzmljLcKevNIkUB7Qy8tXyja E1MMNHzwshfdbXrxI4DRW4LqLHlTQMVKZnFPPKnLJuHTxp6oAQUhG9ArT/HiNIRoFH GkcLT1iqb3xbdSr0W23AN+X7DUQiXNVfVjySjUc8= Received: from DLEE112.ent.ti.com (dlee112.ent.ti.com [157.170.170.23]) by fllv0034.itg.ti.com (8.15.2/8.15.2) with ESMTPS id 542M3Qsr054539 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL); Fri, 2 May 2025 17:03:26 -0500 Received: from DLEE105.ent.ti.com (157.170.170.35) by DLEE112.ent.ti.com (157.170.170.23) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2507.23; Fri, 2 May 2025 17:03:26 -0500 Received: from lelvsmtp6.itg.ti.com (10.180.75.249) by DLEE105.ent.ti.com (157.170.170.35) 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, 2 May 2025 17:03:26 -0500 Received: from judy-hp.dhcp.ti.com (judy-hp.dhcp.ti.com [128.247.81.105]) by lelvsmtp6.itg.ti.com (8.15.2/8.15.2) with ESMTP id 542M3PC5006849; Fri, 2 May 2025 17:03:26 -0500 From: Judith Mendez To: Judith Mendez , Nishanth Menon , Vignesh Raghavendra CC: Tero Kristo , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Hari Nagalla , Beleswar Padhi , Markus Schneider-Pargmann , Andrew Davis , Devarsh Thakkar , , , Subject: [PATCH v8 11/11] arm64: dts: ti: k3-am64: Reserve timers used by MCU FW Date: Fri, 2 May 2025 17:03:25 -0500 Message-ID: <20250502220325.3230653-12-jm@ti.com> X-Mailer: git-send-email 2.49.0 In-Reply-To: <20250502220325.3230653-1-jm@ti.com> References: <20250502220325.3230653-1-jm@ti.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-C2ProcessedOrg: 333ef613-75bf-4e12-a4b1-8e3623f5dcea X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250502_150332_045176_99ADFBE3 X-CRM114-Status: GOOD ( 10.42 ) 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 From: Hari Nagalla AM64x device has 4 R5F cores in the main domain. TI MCU firmware uses main domain timers as tick timers in these firmwares. Hence keep them as reserved in the Linux device tree. Signed-off-by: Hari Nagalla Signed-off-by: Judith Mendez Reviewed-by: Andrew Davis --- arch/arm64/boot/dts/ti/k3-am642-evm.dts | 20 ++++++++++++++++++++ arch/arm64/boot/dts/ti/k3-am642-sk.dts | 20 ++++++++++++++++++++ 2 files changed, 40 insertions(+) diff --git a/arch/arm64/boot/dts/ti/k3-am642-evm.dts b/arch/arm64/boot/dts/ti/k3-am642-evm.dts index f8ec40523254..5623ab354a1d 100644 --- a/arch/arm64/boot/dts/ti/k3-am642-evm.dts +++ b/arch/arm64/boot/dts/ti/k3-am642-evm.dts @@ -796,6 +796,26 @@ &mcu_m4fss { status = "okay"; }; +/* main_timer8 is used by r5f0-0 */ +&main_timer8 { + status = "reserved"; +}; + +/* main_timer9 is used by r5f0-1 */ +&main_timer9 { + status = "reserved"; +}; + +/* main_timer10 is used by r5f1-0 */ +&main_timer10 { + status = "reserved"; +}; + +/* main_timer11 is used by r5f1-1 */ +&main_timer11 { + status = "reserved"; +}; + &serdes_ln_ctrl { idle-states = ; }; diff --git a/arch/arm64/boot/dts/ti/k3-am642-sk.dts b/arch/arm64/boot/dts/ti/k3-am642-sk.dts index 33e421ec18ab..1deaa0be0085 100644 --- a/arch/arm64/boot/dts/ti/k3-am642-sk.dts +++ b/arch/arm64/boot/dts/ti/k3-am642-sk.dts @@ -710,6 +710,26 @@ &mcu_m4fss { status = "okay"; }; +/* main_timer8 is used by r5f0-0 */ +&main_timer8 { + status = "reserved"; +}; + +/* main_timer9 is used by r5f0-1 */ +&main_timer9 { + status = "reserved"; +}; + +/* main_timer10 is used by r5f1-0 */ +&main_timer10 { + status = "reserved"; +}; + +/* main_timer11 is used by r5f1-1 */ +&main_timer11 { + status = "reserved"; +}; + &ecap0 { status = "okay"; /* PWM is available on Pin 1 of header J3 */ -- 2.49.0