From patchwork Fri Apr 12 04:25:36 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Neha Malcom Francis X-Patchwork-Id: 13626832 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 BAE25C4345F for ; Fri, 12 Apr 2024 04:26:32 +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=1ZuB06VnoGE7k/WJf+gIofgXadMpJVYEERIvlNxtlPA=; b=awPECeK1WPG/32 JF7iYLDfifTFwPuttfXf2LuPP1NfbDlvSPKEiadJGlZYCzHsRFi+1+HIZ/yusfOoKHjF+nyI9H+Mf LyqtWSwvdIwH6vz4LtfgtYZ7UOHPaW+zruOtXX/JkqpksVuO89KJnuVZAM4Bpnz7kMTYLPH36C9Y5 eg7k2iMnzHKAYyXOW9SEaOHg0m6w4QapxkUjTIiI7sZxvGQI6vn9SALqB/jE4IANt32/uRQGX/3+Z hhYqshMIzMjGV0rWnH5GuPtrMKCMnuog+ogB2aT4uZFH9v44q1CYwBGOe2T9s0aal007DBOOBUFRu qGzy8tqZIWk/Wo6h51fQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1rv8UW-0000000FFvZ-04iY; Fri, 12 Apr 2024 04:26:20 +0000 Received: from fllv0016.ext.ti.com ([198.47.19.142]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1rv8UA-0000000FFi6-3Jz6 for linux-arm-kernel@lists.infradead.org; Fri, 12 Apr 2024 04:26:00 +0000 Received: from fllv0034.itg.ti.com ([10.64.40.246]) by fllv0016.ext.ti.com (8.15.2/8.15.2) with ESMTP id 43C4Ptpk111670; Thu, 11 Apr 2024 23:25:55 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1712895955; bh=LnSvTzOo4Cfl9D1F+uq9Gk4ZwLPMXfqZC2KoNIU35KI=; h=From:To:CC:Subject:Date:In-Reply-To:References; b=jG/o2KfUgTmV8k/MxFx2TrmD9daANjQm9dg8cnrOU2GUXnlqNWxCUu8TtVtV2No+o +ZU0vfzja5NJPTJxcdOCQfgZrv2VvKHPe4lKwhwcyZYYZuaPXriEAbR8QP2svSYgrl dbmZs9POdwKGKvtHO8lNXjfPpl0X1+QmUoQ6W13c= Received: from DLEE102.ent.ti.com (dlee102.ent.ti.com [157.170.170.32]) by fllv0034.itg.ti.com (8.15.2/8.15.2) with ESMTPS id 43C4PtcO123247 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL); Thu, 11 Apr 2024 23:25:55 -0500 Received: from DLEE113.ent.ti.com (157.170.170.24) by DLEE102.ent.ti.com (157.170.170.32) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2507.23; Thu, 11 Apr 2024 23:25:55 -0500 Received: from lelvsmtp5.itg.ti.com (10.180.75.250) by DLEE113.ent.ti.com (157.170.170.24) 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; Thu, 11 Apr 2024 23:25:55 -0500 Received: from a0497641-HP-Z2-Tower-G9-Workstation-Desktop-PC.dhcp.ti.com (a0497641-hp-z2-tower-g9-workstation-desktop-pc.dhcp.ti.com [172.24.227.36]) by lelvsmtp5.itg.ti.com (8.15.2/8.15.2) with ESMTP id 43C4PbNe078207; Thu, 11 Apr 2024 23:25:52 -0500 From: Neha Malcom Francis To: , , , , CC: , , , , , Subject: [PATCH v2 4/5] arm64: dts: ti: k3-j7200-main: Add the MAIN domain watchdog instances Date: Fri, 12 Apr 2024 09:55:36 +0530 Message-ID: <20240412042537.666137-5-n-francis@ti.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240412042537.666137-1-n-francis@ti.com> References: <20240412042537.666137-1-n-francis@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-20240411_212559_152901_0DC44C2F X-CRM114-Status: UNSURE ( 9.74 ) X-CRM114-Notice: Please train this message. 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 There are 4 watchdog instances in the MAIN domain: * one each for the 2 A72 cores * one each for the 2 R5F cores Currently, the devicetree only describes watchdog instances for the A72 cores and enables them. Describe the remaining but reserve them as they will be used by their respective firmware. Signed-off-by: Neha Malcom Francis --- Changes since v1: - watchdog label numbering changed as per TRM arch/arm64/boot/dts/ti/k3-j7200-main.dtsi | 27 +++++++++++++++++++++++ 1 file changed, 27 insertions(+) diff --git a/arch/arm64/boot/dts/ti/k3-j7200-main.dtsi b/arch/arm64/boot/dts/ti/k3-j7200-main.dtsi index 657f9cc9f4ea..b24a6333563a 100644 --- a/arch/arm64/boot/dts/ti/k3-j7200-main.dtsi +++ b/arch/arm64/boot/dts/ti/k3-j7200-main.dtsi @@ -1254,6 +1254,33 @@ watchdog1: watchdog@2210000 { assigned-clock-parents = <&k3_clks 253 5>; }; + /* + * The following RTI instances are coupled with MCU R5Fs so + * keeping them reserved as these will be used by their respective + * firmware + */ + watchdog28: watchdog@23c0000 { + compatible = "ti,j7-rti-wdt"; + reg = <0x00 0x23c0000 0x00 0x100>; + clocks = <&k3_clks 258 1>; + power-domains = <&k3_pds 258 TI_SCI_PD_EXCLUSIVE>; + assigned-clocks = <&k3_clks 258 1>; + assigned-clock-parents = <&k3_clks 258 5>; + /* reserved for MAIN_R5F0_0 */ + status = "reserved"; + }; + + watchdog29: watchdog@23d0000 { + compatible = "ti,j7-rti-wdt"; + reg = <0x00 0x23d0000 0x00 0x100>; + clocks = <&k3_clks 259 1>; + power-domains = <&k3_pds 259 TI_SCI_PD_EXCLUSIVE>; + assigned-clocks = <&k3_clks 259 1>; + assigned-clock-parents = <&k3_clks 259 5>; + /* reserved for MAIN_R5F0_1 */ + status = "reserved"; + }; + main_timer0: timer@2400000 { compatible = "ti,am654-timer"; reg = <0x00 0x2400000 0x00 0x400>;