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 921B9CD1297 for ; Wed, 10 Apr 2024 05:46:13 +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-Type: Content-Transfer-Encoding:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:In-Reply-To:From:References:CC:To:Subject: MIME-Version:Date:Message-ID:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=lCmZz4iIq1j9RAlnTooeXBkV/1KsbXjf9eIQsFMVlEg=; b=U0vDQm0zn8O+9y uUDWQI1OsyNGS+TimLSMAxFEOPcHFYiSWo81azaUYDZNpcaXyoIEG6opv0Wbn/acXzsixfwCp1tAp no0OBsavhTRypUmeG0vmhyUxddjLH6te7GnDEKsulFT/ZgmhWh25ngAAzl52x1figROKaluQWdqHU KqDRC45YXa++1IF9CtXXJPZDDLMLNm1VObReq3IV0JmETHvPp1XtLLA1uDrAX8/bpJtIwFrdD7OKU nfUwWCQp+XjwbneA0rBANTEzb0XUrBwnzuPa+68jVNWZdsUk7Ap15cIXGkT6S5vsvASYmnttJK1gP Z1Jt6Az+9QDoxo5U49OA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1ruQmZ-00000005FGD-0Zxi; Wed, 10 Apr 2024 05:46:03 +0000 Received: from fllv0015.ext.ti.com ([198.47.19.141]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1ruQmW-00000005FFJ-0bsE for linux-arm-kernel@lists.infradead.org; Wed, 10 Apr 2024 05:46:02 +0000 Received: from fllv0034.itg.ti.com ([10.64.40.246]) by fllv0015.ext.ti.com (8.15.2/8.15.2) with ESMTP id 43A5juJR020991; Wed, 10 Apr 2024 00:45:56 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1712727956; bh=8YBZhxCl1d6nU4C8o85yeW6/48rb5M/ISfWQlkxsPEM=; h=Date:Subject:To:CC:References:From:In-Reply-To; b=DTHiC25M1gVCkCZLYOnO5Mjr87G6JrHV2WpDPW4ohITftQZpuUvOg/IjDIg1NL4EI 50ODMYSBCKolQFSxHAaQNaSguD+2fh59pFx9wug2i3QpWT7NtxYeEK/+RuDs/O7h4q wXCgHkKTUMUlEKDG7zs0Co+PZyjEiH5M+x54+4CI= Received: from DFLE107.ent.ti.com (dfle107.ent.ti.com [10.64.6.28]) by fllv0034.itg.ti.com (8.15.2/8.15.2) with ESMTPS id 43A5juBE001276 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL); Wed, 10 Apr 2024 00:45:56 -0500 Received: from DFLE115.ent.ti.com (10.64.6.36) 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; Wed, 10 Apr 2024 00:45:55 -0500 Received: from lelvsmtp6.itg.ti.com (10.180.75.249) by DFLE115.ent.ti.com (10.64.6.36) 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; Wed, 10 Apr 2024 00:45:55 -0500 Received: from [172.24.20.156] (lt5cd2489kgj.dhcp.ti.com [172.24.20.156]) by lelvsmtp6.itg.ti.com (8.15.2/8.15.2) with ESMTP id 43A5jpUe024126; Wed, 10 Apr 2024 00:45:52 -0500 Message-ID: <2455386b-cf9c-4060-ba86-34ea80a5af6a@ti.com> Date: Wed, 10 Apr 2024 11:15:51 +0530 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 2/4] arm64: dts: ti: k3-j721e-mcu: Add the MCU domain watchdog instances To: Neha Malcom Francis , , , , , CC: , , , , References: <20240326122723.2329402-1-n-francis@ti.com> <20240326122723.2329402-3-n-francis@ti.com> Content-Language: en-US From: "Kumar, Udit" In-Reply-To: <20240326122723.2329402-3-n-francis@ti.com> 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-20240409_224600_839609_7CD4C390 X-CRM114-Status: GOOD ( 15.76 ) 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: , Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Hi Neha On 3/26/2024 5:57 PM, Neha Malcom Francis wrote: > There are 2 watchdog instances in the MCU domain. These instances are > coupled with the MCU domain R55 instances. Reserve them as they are not > used by A72. > > Signed-off-by: Neha Malcom Francis > --- > .../boot/dts/ti/k3-j721e-mcu-wakeup.dtsi | 26 +++++++++++++++++++ > 1 file changed, 26 insertions(+) > > diff --git a/arch/arm64/boot/dts/ti/k3-j721e-mcu-wakeup.dtsi b/arch/arm64/boot/dts/ti/k3-j721e-mcu-wakeup.dtsi > index b0f41e9829cc..867f307909be 100644 > --- a/arch/arm64/boot/dts/ti/k3-j721e-mcu-wakeup.dtsi > +++ b/arch/arm64/boot/dts/ti/k3-j721e-mcu-wakeup.dtsi > @@ -694,4 +694,30 @@ wkup_esm: esm@42080000 { > compatible = "ti,j721e-esm"; > reg = <0x00 0x42080000 0x00 0x1000>; > }; > + > + /* > + * The 2 RTI instances are couple with MCU R5Fs so keeping them > + * reserved as these will be used by their respective firmware > + */ > + mcu_watchdog0: watchdog@40600000 { > + compatible = "ti,j7-rti-wdt"; > + reg = <0x00 0x40600000 0x00 0x100>; > + clocks = <&k3_clks 262 1>; > + power-domains = <&k3_pds 262 TI_SCI_PD_EXCLUSIVE>; > + assigned-clocks = <&k3_clks 262 1>; > + assigned-clock-parents = <&k3_clks 262 5>; > + /* reserved for MCU_R5F0_0 */ > + status = "reserved"; > + }; > + > + mcu_watchdog1: watchdog@40610000 { > + compatible = "ti,j7-rti-wdt"; > + reg = <0x00 0x40610000 0x00 0x100>; > + clocks = <&k3_clks 263 1>; > + power-domains = <&k3_pds 263 TI_SCI_PD_EXCLUSIVE>; > + assigned-clocks = <&k3_clks 263 1>; > + assigned-clock-parents = <&k3_clks 263 5>; > + /* reserved for MCU_R5F0_1 */ Table 12-22642. MCU_RTI Hardware Requests (In same TRM referred in 3/4 patch review ), says each WDT has destination of MCU0_R5_CORE0 and MCU0_R5_CORE1 Please suggest, if fw level this is decided to reserved like above ? With that clarification, Please use Reviewed-by: Udit Kumar > + status = "reserved"; > + }; > }; _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel