From patchwork Mon Aug 26 14:28:58 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jan Kiszka X-Patchwork-Id: 13777965 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id AD832C5321E for ; Mon, 26 Aug 2024 14:31:48 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:Cc:To:From: Reply-To:Content-Type:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=x9pt7lsHs5ZT3pCqHVRpcN4kmYqFRl5kXmH0AVDwzNg=; b=ycHu7OCTnngPqxVsx01gD2Lv2v FymsnmXZDQk6NECVDjDAX/d/QW/fshuWaVpk3WNcSG0+aA7r/3OFOiQNAPHs67ye7jhWVlDmhWdGc 53X8gHF+mI0JfjqxhMb0bAPvPIO4jmbkRaaAN9fa4Mii9GRx3V9sV/NHwqRDd8rLFScOMt6UoWmYn 0C0TECuyYxM2G+iZhyW+B2t3JRamCly7tqgcDgHJPLmP3B77zMdcw24EHZaY3dveBvScjdnVOGOot UqqnvO87Trj0Pu9dj3IV6H7e9lm8cKX5e8XoVxIeNvNO0yIrdFZ0QAOs36gvnYoNMzRahqc9oM+60 K7DkrStw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1siakt-00000007fGA-2X4H; Mon, 26 Aug 2024 14:31:39 +0000 Received: from mta-65-227.siemens.flowmailer.net ([185.136.65.227]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1siaiU-00000007eqc-2NW1 for linux-arm-kernel@lists.infradead.org; Mon, 26 Aug 2024 14:29:31 +0000 Received: by mta-65-227.siemens.flowmailer.net with ESMTPSA id 20240826142901908cfcada93deea022 for ; Mon, 26 Aug 2024 16:29:02 +0200 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; s=fm1; d=siemens.com; i=jan.kiszka@siemens.com; h=Date:From:Subject:To:Message-ID:MIME-Version:Content-Type:Content-Transfer-Encoding:Cc:References:In-Reply-To; bh=x9pt7lsHs5ZT3pCqHVRpcN4kmYqFRl5kXmH0AVDwzNg=; b=MjhzRnMuBqT2gD6s7kHTzP6Y0W34Fv7zwOCCwfMO/KjNpDuwTSwt7Ix3ONSpDf5w9KvuQ3 PxbUms42cmVZk9jo5HRVY6G4OkQqtmVHxh86P8mfhmzqtHsogU8rpa/0LZ3VhWyLqnERJkAh EnApAwme0Yjfvs1ZI72YC47WWEr5iASn/j01J5B/RgaXPtOsjk7zHCldMwl7mQ2QnhTN7GWA zPp3QJwgDi7w4B69y5N45DHzKRCpw7RDda1K35Hp9aQiWP07rml220sqw7qlW1rS1LUAgDuU uJ8CfUsfjoILwhqjlw1Jjsr75t7TzqVnMTLPdGw4g/feR066wOrgXXOw==; From: Jan Kiszka To: Nishanth Menon , Vignesh Raghavendra , Tero Kristo , Rob Herring , Krzysztof Kozlowski , Conor Dooley Cc: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, Bao Cheng Su , Hua Qian Li Subject: [PATCH 1/2] arm64: dts: ti: iot2050: Disable lock-step for all iot2050 boards Date: Mon, 26 Aug 2024 16:28:58 +0200 Message-ID: In-Reply-To: References: MIME-Version: 1.0 X-Flowmailer-Platform: Siemens Feedback-ID: 519:519-294854:519-21489:flowmailer X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240826_072910_762672_67B3691D X-CRM114-Status: GOOD ( 11.78 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: Li Hua Qian The PG1 A variant of the iot2050 series has been identified which partially lacks support for lock-step mode. This implies that all iot2050 boards can't support this mode. As a result, lock-step mode has been disabled across all iot2050 boards for consistency and to avoid potential issues. Signed-off-by: Li Hua Qian Signed-off-by: Jan Kiszka --- arch/arm64/boot/dts/ti/k3-am65-iot2050-common-pg2.dtsi | 5 ----- arch/arm64/boot/dts/ti/k3-am65-iot2050-common.dtsi | 5 +++++ arch/arm64/boot/dts/ti/k3-am6528-iot2050-basic.dts | 5 ----- 3 files changed, 5 insertions(+), 10 deletions(-) diff --git a/arch/arm64/boot/dts/ti/k3-am65-iot2050-common-pg2.dtsi b/arch/arm64/boot/dts/ti/k3-am65-iot2050-common-pg2.dtsi index e2584a5efe34..b3c4c0eec3dc 100644 --- a/arch/arm64/boot/dts/ti/k3-am65-iot2050-common-pg2.dtsi +++ b/arch/arm64/boot/dts/ti/k3-am65-iot2050-common-pg2.dtsi @@ -9,11 +9,6 @@ * Common bits of the IOT2050 Basic and Advanced variants, PG2 */ -&mcu_r5fss0 { - /* lock-step mode not supported on PG2 boards */ - ti,cluster-mode = <0>; -}; - &main_pmx0 { cp2102n_reset_pin_default: cp2102n-reset-default-pins { pinctrl-single,pins = < diff --git a/arch/arm64/boot/dts/ti/k3-am65-iot2050-common.dtsi b/arch/arm64/boot/dts/ti/k3-am65-iot2050-common.dtsi index ef34b851e178..e76828ccf21b 100644 --- a/arch/arm64/boot/dts/ti/k3-am65-iot2050-common.dtsi +++ b/arch/arm64/boot/dts/ti/k3-am65-iot2050-common.dtsi @@ -635,3 +635,8 @@ icssg0_eth1_phy: ethernet-phy@1 { ti,fifo-depth = ; }; }; + +&mcu_r5fss0 { + /* lock-step mode not supported on iot2050 boards */ + ti,cluster-mode = <0>; +}; diff --git a/arch/arm64/boot/dts/ti/k3-am6528-iot2050-basic.dts b/arch/arm64/boot/dts/ti/k3-am6528-iot2050-basic.dts index 29a31891b3db..4968a47f31ea 100644 --- a/arch/arm64/boot/dts/ti/k3-am6528-iot2050-basic.dts +++ b/arch/arm64/boot/dts/ti/k3-am6528-iot2050-basic.dts @@ -22,8 +22,3 @@ / { compatible = "siemens,iot2050-basic", "ti,am654"; model = "SIMATIC IOT2050 Basic"; }; - -&mcu_r5fss0 { - /* lock-step mode not supported on this board */ - ti,cluster-mode = <0>; -};