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=-16.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,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 1AFADC433E9 for ; Thu, 4 Mar 2021 11:31:28 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id D45E864F18 for ; Thu, 4 Mar 2021 11:31:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S240201AbhCDLa5 (ORCPT ); Thu, 4 Mar 2021 06:30:57 -0500 Received: from fllv0015.ext.ti.com ([198.47.19.141]:50432 "EHLO fllv0015.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S240165AbhCDLat (ORCPT ); Thu, 4 Mar 2021 06:30:49 -0500 Received: from fllv0034.itg.ti.com ([10.64.40.246]) by fllv0015.ext.ti.com (8.15.2/8.15.2) with ESMTP id 124BTslh127000; Thu, 4 Mar 2021 05:29:54 -0600 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1614857394; bh=Z2xAjoDjGq+buNbjS2fjzk+qGOsbPQ/DarFukEzFYFM=; h=From:To:CC:Subject:Date:In-Reply-To:References; b=uAi4sxP3po4hCwhGVd81FwrYU8p1bgo76GWCtAF+gHmfCO7GEk4l4B8IubqaJyEkq czWIaoVxeWdrilsnWSmdwpccGA+OGX68TGD28CY/v6sihX2GbNrlFVyJer1GHglFhE YOeXsDMrxXye/3o6BkB/PMh1etj7xfTCq2T7GnKI= Received: from DFLE100.ent.ti.com (dfle100.ent.ti.com [10.64.6.21]) by fllv0034.itg.ti.com (8.15.2/8.15.2) with ESMTPS id 124BTsfn081492 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL); Thu, 4 Mar 2021 05:29:54 -0600 Received: from DFLE115.ent.ti.com (10.64.6.36) by DFLE100.ent.ti.com (10.64.6.21) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1979.3; Thu, 4 Mar 2021 05:29:54 -0600 Received: from lelv0326.itg.ti.com (10.180.67.84) 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 15.1.1979.3 via Frontend Transport; Thu, 4 Mar 2021 05:29:54 -0600 Received: from gsaswath-HP-ProBook-640-G5.dal.design.ti.com (ileax41-snat.itg.ti.com [10.172.224.153]) by lelv0326.itg.ti.com (8.15.2/8.15.2) with ESMTP id 124BTQps094300; Thu, 4 Mar 2021 05:29:47 -0600 From: Aswath Govindraju CC: Vignesh Raghavendra , Lokesh Vutla , Kishon Vijay Abraham I , Grygorii Strashko , Dave Gerlach , Aswath Govindraju , Nishanth Menon , Tero Kristo , Rob Herring , , , Subject: [PATCH v2 2/2] arm64: dts: ti: k3-am642: reserve gpio in mcu domain for firmware usage Date: Thu, 4 Mar 2021 16:59:24 +0530 Message-ID: <20210304112924.12470-3-a-govindraju@ti.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20210304112924.12470-1-a-govindraju@ti.com> References: <20210304112924.12470-1-a-govindraju@ti.com> MIME-Version: 1.0 Content-Type: text/plain X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 To: unlisted-recipients:; (no To-header on input) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The gpio0 subsystem present in MCU domain might be used by firmware and is not pinned out in evm/sk. Therefore, reserve it for MCU firmware. Signed-off-by: Aswath Govindraju --- arch/arm64/boot/dts/ti/k3-am642-evm.dts | 5 +++++ arch/arm64/boot/dts/ti/k3-am642-sk.dts | 5 +++++ 2 files changed, 10 insertions(+) diff --git a/arch/arm64/boot/dts/ti/k3-am642-evm.dts b/arch/arm64/boot/dts/ti/k3-am642-evm.dts index 962ef807e286..982b043c5100 100644 --- a/arch/arm64/boot/dts/ti/k3-am642-evm.dts +++ b/arch/arm64/boot/dts/ti/k3-am642-evm.dts @@ -279,6 +279,11 @@ }; }; +/* mcu_gpio0 is reserved for mcu firmware usage */ +&mcu_gpio0 { + status = "reserved"; +}; + &mcu_i2c0 { status = "disabled"; }; diff --git a/arch/arm64/boot/dts/ti/k3-am642-sk.dts b/arch/arm64/boot/dts/ti/k3-am642-sk.dts index 397ed3b2e121..7ba1d6da4d9d 100644 --- a/arch/arm64/boot/dts/ti/k3-am642-sk.dts +++ b/arch/arm64/boot/dts/ti/k3-am642-sk.dts @@ -204,6 +204,11 @@ status = "disabled"; }; +/* mcu_gpio0 is reserved for mcu firmware usage */ +&mcu_gpio0 { + status = "reserved"; +}; + &sdhci1 { /* SD/MMC */ vmmc-supply = <&vdd_mmc1>; -- 2.17.1