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[23.128.96.18]) by mx.google.com with ESMTP id bs6si3200231edb.145.2021.03.18.22.23.29; Thu, 18 Mar 2021 22:23:51 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=fail header.i=@ti.com header.s=ti-com-17Q1 header.b=cmp2vDGP; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=QUARANTINE sp=NONE dis=NONE) header.from=ti.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233833AbhCSFUR (ORCPT + 99 others); Fri, 19 Mar 2021 01:20:17 -0400 Received: from fllv0015.ext.ti.com ([198.47.19.141]:59800 "EHLO fllv0015.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233568AbhCSFUN (ORCPT ); Fri, 19 Mar 2021 01:20:13 -0400 Received: from fllv0034.itg.ti.com ([10.64.40.246]) by fllv0015.ext.ti.com (8.15.2/8.15.2) with ESMTP id 12J5K5ko074980; Fri, 19 Mar 2021 00:20:05 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1616131205; bh=Nqb5Y9w6GzD7efCnp25xTU04yZN1xmH5JCVJA9fhh/0=; h=From:To:CC:Subject:Date:In-Reply-To:References; b=cmp2vDGPN297sg9VA6xKajzxp5plZTguzTYxKY+vcVVHpvogGygHteNWQD1SFqZxx 6e64qO/+bwNaEt5hUTgt4QZSi8XHeJlEtI3qU4wO+FZCZ1oHu0VT+wI5trm4TDnsGR Xw1PPWrMKKc3OS7MwacfIB9Qjk65CtEL/SQjEZLI= Received: from DFLE114.ent.ti.com (dfle114.ent.ti.com [10.64.6.35]) by fllv0034.itg.ti.com (8.15.2/8.15.2) with ESMTPS id 12J5K45U081042 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL); Fri, 19 Mar 2021 00:20:05 -0500 Received: from DFLE106.ent.ti.com (10.64.6.27) by DFLE114.ent.ti.com (10.64.6.35) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2176.2; Fri, 19 Mar 2021 00:20:04 -0500 Received: from fllv0039.itg.ti.com (10.64.41.19) by DFLE106.ent.ti.com (10.64.6.27) 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; Fri, 19 Mar 2021 00:20:03 -0500 Received: from gsaswath-HP-ProBook-640-G5.dal.design.ti.com (ileax41-snat.itg.ti.com [10.172.224.153]) by fllv0039.itg.ti.com (8.15.2/8.15.2) with ESMTP id 12J5JqE2079026; Fri, 19 Mar 2021 00:20:01 -0500 From: Aswath Govindraju CC: Vignesh Raghavendra , Lokesh Vutla , Grygorii Strashko , Aswath Govindraju , Nishanth Menon , Tero Kristo , Rob Herring , , , Subject: [PATCH v3 2/2] arm64: dts: ti: k3-am642: reserve gpio in mcu domain for firmware usage Date: Fri, 19 Mar 2021 10:49:50 +0530 Message-ID: <20210319051950.17549-3-a-govindraju@ti.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20210319051950.17549-1-a-govindraju@ti.com> References: <20210319051950.17549-1-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 9522f104d979..385d99a3bc4f 100644 --- a/arch/arm64/boot/dts/ti/k3-am642-evm.dts +++ b/arch/arm64/boot/dts/ti/k3-am642-evm.dts @@ -310,6 +310,11 @@ }; }; +/* 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 3a5bee4b0b0c..282fb4185db9 100644 --- a/arch/arm64/boot/dts/ti/k3-am642-sk.dts +++ b/arch/arm64/boot/dts/ti/k3-am642-sk.dts @@ -220,6 +220,11 @@ status = "disabled"; }; +/* mcu_gpio0 is reserved for mcu firmware usage */ +&mcu_gpio0 { + status = "reserved"; +}; + &sdhci1 { /* SD/MMC */ vmmc-supply = <&vdd_mmc1>; -- 2.17.1