From patchwork Mon Jun 14 16:49:40 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Arnaud Pouliquen X-Patchwork-Id: 12319439 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=-18.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT autolearn=unavailable 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 3AE90C4743C for ; Mon, 14 Jun 2021 16:50:58 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 04D66611CA for ; Mon, 14 Jun 2021 16:50:58 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234738AbhFNQxA (ORCPT ); Mon, 14 Jun 2021 12:53:00 -0400 Received: from mx07-00178001.pphosted.com ([185.132.182.106]:24270 "EHLO mx07-00178001.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234668AbhFNQw7 (ORCPT ); Mon, 14 Jun 2021 12:52:59 -0400 Received: from pps.filterd (m0046668.ppops.net [127.0.0.1]) by mx07-00178001.pphosted.com (8.16.0.43/8.16.0.43) with SMTP id 15EGmfTX004542; Mon, 14 Jun 2021 18:50:44 +0200 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=foss.st.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-type; s=selector1; bh=GoahTkcTk5wuiGE9EDQMY+hff3YTZLJJ0yuw8GM4ms4=; b=g6/ZEKetMygJ84zCpW/3K6iLqJHXYxnWFeDkYeWZ7jKukLkE3J5nn8980zjhaO8nOboc omiHbuiNBHNepv23qFrp2UFOUJl45p03bk0NzMB/jVq2e24k1ZlBXi2DQys4Q3lyBwbg b8qzWGtDRf6A9DauWC845P7H+Uurh3YuOvKGrjSJrE4y1fXgxRpF7QAb/KvsF2NouJ01 hogp4FW0FSYo79TEGB0UdrRa5h+42YoOeiqVzSm3HKqjbS9vp1onwT/T45zCue5/BUGV wNueaJqJi1A6716AklQ8cR2hQVLQsBrP4TDIFc0geIQi5lRJOQ1BMDW3g8MTijR/rurQ Iw== Received: from beta.dmz-eu.st.com (beta.dmz-eu.st.com [164.129.1.35]) by mx07-00178001.pphosted.com with ESMTP id 3962pntrr5-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 14 Jun 2021 18:50:44 +0200 Received: from euls16034.sgp.st.com (euls16034.sgp.st.com [10.75.44.20]) by beta.dmz-eu.st.com (STMicroelectronics) with ESMTP id 7D593100039; Mon, 14 Jun 2021 18:50:43 +0200 (CEST) Received: from Webmail-eu.st.com (sfhdag2node3.st.com [10.75.127.6]) by euls16034.sgp.st.com (STMicroelectronics) with ESMTP id 6D46D21CE26; Mon, 14 Jun 2021 18:50:43 +0200 (CEST) Received: from localhost (10.75.127.44) by SFHDAG2NODE3.st.com (10.75.127.6) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Mon, 14 Jun 2021 18:50:42 +0200 From: Arnaud Pouliquen To: Rob Herring , Alexandre Torgue , Maxime Coquelin CC: , , , , , Arnaud Pouliquen Subject: [PATCH 2/2] ARM: dts: stm32: Add coprocessor detach mbox on stm32mp15x-dkx boards Date: Mon, 14 Jun 2021 18:49:40 +0200 Message-ID: <20210614164940.27153-3-arnaud.pouliquen@foss.st.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20210614164940.27153-1-arnaud.pouliquen@foss.st.com> References: <20210614164940.27153-1-arnaud.pouliquen@foss.st.com> MIME-Version: 1.0 X-Originating-IP: [10.75.127.44] X-ClientProxiedBy: SFHDAG1NODE3.st.com (10.75.127.3) To SFHDAG2NODE3.st.com (10.75.127.6) X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.391,18.0.761 definitions=2021-06-14_10:2021-06-14,2021-06-14 signatures=0 Precedence: bulk List-ID: X-Mailing-List: linux-remoteproc@vger.kernel.org To support the detach feature, add a new mailbox channel to inform the remote processor on a detach. This signal allows the remote processor firmware to stop IPC communication and to reinitialize the resources for a re-attach. Signed-off-by: Arnaud Pouliquen --- arch/arm/boot/dts/stm32mp15xx-dkx.dtsi | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/arm/boot/dts/stm32mp15xx-dkx.dtsi b/arch/arm/boot/dts/stm32mp15xx-dkx.dtsi index 59f18846cf5d..06c11bad882a 100644 --- a/arch/arm/boot/dts/stm32mp15xx-dkx.dtsi +++ b/arch/arm/boot/dts/stm32mp15xx-dkx.dtsi @@ -470,8 +470,8 @@ &m4_rproc { memory-region = <&retram>, <&mcuram>, <&mcuram2>, <&vdev0vring0>, <&vdev0vring1>, <&vdev0buffer>; - mboxes = <&ipcc 0>, <&ipcc 1>, <&ipcc 2>; - mbox-names = "vq0", "vq1", "shutdown"; + mboxes = <&ipcc 0>, <&ipcc 1>, <&ipcc 2>, <&ipcc 3>; + mbox-names = "vq0", "vq1", "shutdown", "detach"; interrupt-parent = <&exti>; interrupts = <68 1>; status = "okay";