From patchwork Tue Nov 5 22:46:22 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Marek Vasut X-Patchwork-Id: 13863742 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 5C452D3E779 for ; Tue, 5 Nov 2024 22:49:55 +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: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:In-Reply-To:References:List-Owner; bh=ELy6ICW2TEmM6hKJfcyhmgjGc/1ElUN1EwN/EW7ULAc=; b=QqR1ZfMjNDKEkQIalgVajntrkH R9lzFuOMZ1Zhg2iUpD5I+thucapnrI72I07gvBEfK2PRWvI+yZVCBt+9OVICE1IXqHfamGut6oO5R 3J8v5C/K9jnWVZ++H693GodP1v6Qvozbs7G5rgPQ8vY5ndnrwIp+UVOAarDTLOhQ9vRPqC6rPirJS R4kGg4hRUUPT08Uc/XpQJ19l3bWcwpcFvu/smoQt6VXbBEBuA4XMuqWeHJM/MosOcBRX6ch4ZI1Os sOjTkfn8lmkS6AIdpQRn/8oyNNR8tRF1F6RzG/UO1iU9YzEYqrKw0j3QKf7cvP9pAOuZncsaOVBKW BVL55G6w==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1t8SMn-000000012nR-1tIk; Tue, 05 Nov 2024 22:49:41 +0000 Received: from phobos.denx.de ([85.214.62.61]) by bombadil.infradead.org with esmtps (Exim 4.98 #2 (Red Hat Linux)) id 1t8SL2-000000012W7-3nP3 for linux-arm-kernel@lists.infradead.org; Tue, 05 Nov 2024 22:47:54 +0000 Received: from tr.lan (ip-86-49-120-218.bb.vodafone.cz [86.49.120.218]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) (No client certificate requested) (Authenticated sender: marex@denx.de) by phobos.denx.de (Postfix) with ESMTPSA id 73B4089048; Tue, 5 Nov 2024 23:47:49 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=denx.de; s=phobos-20191101; t=1730846870; bh=ELy6ICW2TEmM6hKJfcyhmgjGc/1ElUN1EwN/EW7ULAc=; h=From:To:Cc:Subject:Date:From; b=qdTytCw9HYDNNCpo/hKZmctyr8xs//XHJDpyDtGWf0bzAUZcRplGLXX/fP4trdvyN E1lgAnqr2WTz4A3wE6csTdn9vWBHoFGdKCB22uaTUEBtUJ0P+0co6NU2IKPE6ZByZQ oQKqWPXmhpebNQnk/WPGw5pqE/x9bmdKtY5NlsbWOysVU+uw9+uAknyt/VlITqx/Iy MjGGlZR9SKVl+ASW1rCHdA9Dt4JAvQ7yM48uE/s2jrOuIfAbZlC962cnP9G5PeCrzb ldR9sK85NgqEsN4ug8UFGb0WoQoJnwVwz2ZPRKxte/J0b464ZAHtDeqy8yxc6HLVdO tAvouHy3XVz5Q== From: Marek Vasut To: linux-arm-kernel@lists.infradead.org Cc: Marek Vasut , Alexandre Torgue , Conor Dooley , Krzysztof Kozlowski , Maxime Coquelin , Rob Herring , devicetree@vger.kernel.org, kernel@dh-electronics.com, linux-stm32@st-md-mailman.stormreply.com Subject: [PATCH] ARM: dts: stm32: Increase CPU core voltage on STM32MP13xx DHCOR SoM Date: Tue, 5 Nov 2024 23:46:22 +0100 Message-ID: <20241105224728.147384-1-marex@denx.de> X-Mailer: git-send-email 2.45.2 MIME-Version: 1.0 X-Virus-Scanned: clamav-milter 0.103.8 at phobos.denx.de X-Virus-Status: Clean X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20241105_144753_142413_8B7F3A24 X-CRM114-Status: GOOD ( 14.41 ) 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 The STM32MP13xx DHCOR DHSBC is populated with STM32MP13xx part capable of 1 GHz operation, increase the CPU core voltage to 1.35 V to make sure the SoC is stable even if the blobs unconditionally force the CPU to 1 GHz operation. It is not possible to make use of CPUfreq on the STM32MP13xx because the SCMI protocol 0x13 is not implemented by upstream OpTee-OS which is the SCMI provider. Fixes: 6331bddce649 ("ARM: dts: stm32: Add support for STM32MP13xx DHCOR SoM and DHSBC board") Signed-off-by: Marek Vasut --- Cc: Alexandre Torgue Cc: Conor Dooley Cc: Krzysztof Kozlowski Cc: Marek Vasut Cc: Maxime Coquelin Cc: Rob Herring Cc: devicetree@vger.kernel.org Cc: kernel@dh-electronics.com Cc: linux-arm-kernel@lists.infradead.org Cc: linux-stm32@st-md-mailman.stormreply.com --- arch/arm/boot/dts/st/stm32mp13xx-dhcor-som.dtsi | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/arm/boot/dts/st/stm32mp13xx-dhcor-som.dtsi b/arch/arm/boot/dts/st/stm32mp13xx-dhcor-som.dtsi index 07133bd82efa6..8630de147a52b 100644 --- a/arch/arm/boot/dts/st/stm32mp13xx-dhcor-som.dtsi +++ b/arch/arm/boot/dts/st/stm32mp13xx-dhcor-som.dtsi @@ -85,8 +85,8 @@ regulators { vddcpu: buck1 { /* VDD_CPU_1V2 */ regulator-name = "vddcpu"; - regulator-min-microvolt = <1250000>; - regulator-max-microvolt = <1250000>; + regulator-min-microvolt = <1350000>; + regulator-max-microvolt = <1350000>; regulator-always-on; regulator-initial-mode = <0>; regulator-over-current-protection;