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 X-Spam-Level: X-Spam-Status: No, score=-22.5 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, NICE_REPLY_A,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id EF3B1C433DB for ; Thu, 11 Mar 2021 01:37:13 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id A5D8364FAD for ; Thu, 11 Mar 2021 01:37:13 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229630AbhCKBgm (ORCPT ); Wed, 10 Mar 2021 20:36:42 -0500 Received: from fllv0016.ext.ti.com ([198.47.19.142]:46052 "EHLO fllv0016.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229624AbhCKBg3 (ORCPT ); Wed, 10 Mar 2021 20:36:29 -0500 Received: from fllv0035.itg.ti.com ([10.64.41.0]) by fllv0016.ext.ti.com (8.15.2/8.15.2) with ESMTP id 12B1aLtH047253; Wed, 10 Mar 2021 19:36:21 -0600 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1615426581; bh=2Ssx+pprOrgmo15xXR8HsrA9jVwC66quZAm2MNaM2AM=; h=Subject:To:CC:References:From:Date:In-Reply-To; b=QhA0BDNRhXyeuGmX84GvwpsmoSeuxRHuCZJUgPXDw/2fOgMeRSr1rLj7GFcxU9nzj MjZidq5PsFYBefAezjG8lV+bIbIu16u466nkRIqOQ2GWjHPDmj3cJGWTfMrhsoApWu vLvQkRavee54QXtX4eFnz7B6nIHvayJX3FIJIDlM= Received: from DFLE103.ent.ti.com (dfle103.ent.ti.com [10.64.6.24]) by fllv0035.itg.ti.com (8.15.2/8.15.2) with ESMTPS id 12B1aKMH089021 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL); Wed, 10 Mar 2021 19:36:21 -0600 Received: from DFLE104.ent.ti.com (10.64.6.25) by DFLE103.ent.ti.com (10.64.6.24) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2176.2; Wed, 10 Mar 2021 19:36:20 -0600 Received: from lelv0326.itg.ti.com (10.180.67.84) by DFLE104.ent.ti.com (10.64.6.25) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2176.2 via Frontend Transport; Wed, 10 Mar 2021 19:36:20 -0600 Received: from [10.250.50.222] (ileax41-snat.itg.ti.com [10.172.224.153]) by lelv0326.itg.ti.com (8.15.2/8.15.2) with ESMTP id 12B1aKFg123710; Wed, 10 Mar 2021 19:36:20 -0600 Subject: Re: [PATCH] arm64: dts: ti: k3-am65-mcu: Add RTI watchdog entry To: Jan Kiszka , Nishanth Menon , Tero Kristo , Rob Herring CC: devicetree , Linux Kernel Mailing List , linux-arm-kernel References: <279c20fa-6e5e-4f88-9cd1-f76297a28a19@web.de> From: "Bajjuri, Praneeth" Message-ID: <9097f361-419f-995f-2f05-d17a949af1cb@ti.com> Date: Wed, 10 Mar 2021 19:36:20 -0600 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:78.0) Gecko/20100101 Thunderbird/78.8.0 MIME-Version: 1.0 In-Reply-To: <279c20fa-6e5e-4f88-9cd1-f76297a28a19@web.de> Content-Type: text/plain; charset="utf-8"; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org On 2/20/2021 6:49 AM, Jan Kiszka wrote: > From: Jan Kiszka > > Add the DT entry for a watchdog based on RTI1. > > On SR1.0 silicon, it requires additional firmware on the MCU R5F cores > to handle the expiry, e.g. https://github.com/siemens/k3-rti-wdt. As > this firmware will also lock the power domain to protect it against > premature shutdown, mark it shared. > > Signed-off-by: Jan Kiszka Acked-by: Praneeth Bajjuri > --- > arch/arm64/boot/dts/ti/k3-am65-mcu.dtsi | 9 +++++++++ > 1 file changed, 9 insertions(+) > > diff --git a/arch/arm64/boot/dts/ti/k3-am65-mcu.dtsi b/arch/arm64/boot/dts/ti/k3-am65-mcu.dtsi > index 7454c8cec0cc..903796bf7d64 100644 > --- a/arch/arm64/boot/dts/ti/k3-am65-mcu.dtsi > +++ b/arch/arm64/boot/dts/ti/k3-am65-mcu.dtsi > @@ -308,4 +308,13 @@ mcu_r5fss0_core1: r5f@41400000 { > ti,loczrama = <1>; > }; > }; > + > + mcu_rti1: rti@40610000 { > + compatible = "ti,j7-rti-wdt"; > + reg = <0x0 0x40610000 0x0 0x100>; > + clocks = <&k3_clks 135 0>; > + power-domains = <&k3_pds 135 TI_SCI_PD_SHARED>; > + assigned-clocks = <&k3_clks 135 0>; > + assigned-clock-parents = <&k3_clks 135 4>; > + }; > }; > -- > 2.26.2 > > > _______________________________________________ > linux-arm-kernel mailing list > linux-arm-kernel@lists.infradead.org > http://lists.infradead.org/mailman/listinfo/linux-arm-kernel >