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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id EF145C6FD19 for ; Fri, 10 Mar 2023 09:30:29 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230163AbjCJJa2 (ORCPT ); Fri, 10 Mar 2023 04:30:28 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37534 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230078AbjCJJaB (ORCPT ); Fri, 10 Mar 2023 04:30:01 -0500 Received: from metis.ext.pengutronix.de (metis.ext.pengutronix.de [IPv6:2001:67c:670:201:290:27ff:fe1d:cc33]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 68E5AF92F2 for ; Fri, 10 Mar 2023 01:27:19 -0800 (PST) Received: from drehscheibe.grey.stw.pengutronix.de ([2a0a:edc0:0:c01:1d::a2]) by metis.ext.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1paZ1j-0003jH-V5; Fri, 10 Mar 2023 10:27:03 +0100 Received: from [2a0a:edc0:0:1101:1d::39] (helo=dude03.red.stw.pengutronix.de) by drehscheibe.grey.stw.pengutronix.de with esmtp (Exim 4.94.2) (envelope-from ) id 1paZ1h-0038zL-EJ; Fri, 10 Mar 2023 10:27:01 +0100 Received: from lgo by dude03.red.stw.pengutronix.de with local (Exim 4.94.2) (envelope-from ) id 1paZ1g-004EBi-ID; Fri, 10 Mar 2023 10:27:00 +0100 From: =?UTF-8?q?Leonard=20G=C3=B6hrs?= To: Rob Herring , Krzysztof Kozlowski , Maxime Coquelin , Alexandre Torgue Cc: kernel@pengutronix.de, =?UTF-8?q?Leonard=20G=C3=B6hrs?= , devicetree@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH v1] ARM: dts: stm32: Add coprocessor detach mbox on stm32mp15xx-osd32 SoM Date: Fri, 10 Mar 2023 10:26:50 +0100 Message-Id: <20230310092650.1007662-1-l.goehrs@pengutronix.de> X-Mailer: git-send-email 2.30.2 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-SA-Exim-Connect-IP: 2a0a:edc0:0:c01:1d::a2 X-SA-Exim-Mail-From: lgo@pengutronix.de X-SA-Exim-Scanned: No (on metis.ext.pengutronix.de); SAEximRunCond expanded to false X-PTX-Original-Recipient: linux-kernel@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@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. See 6257dfc1c412dcdbd76ca5fa92c8444222dbe5b0 for a patch that does the same for stm32mp15x-dkx boards. Signed-off-by: Leonard Göhrs --- arch/arm/boot/dts/stm32mp15xx-osd32.dtsi | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/arm/boot/dts/stm32mp15xx-osd32.dtsi b/arch/arm/boot/dts/stm32mp15xx-osd32.dtsi index 935b7084b5a2..a43965c86fe8 100644 --- a/arch/arm/boot/dts/stm32mp15xx-osd32.dtsi +++ b/arch/arm/boot/dts/stm32mp15xx-osd32.dtsi @@ -210,8 +210,8 @@ &ipcc { &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"; base-commit: fe15c26ee26efa11741a7b632e9f23b01aca4cc6 -- 2.30.2