From nobody Fri Dec 19 20:17:29 2025 Received: from mx07-00178001.pphosted.com (mx08-00178001.pphosted.com [91.207.212.93]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id BF98B24C084; Fri, 25 Apr 2025 12:50:27 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=91.207.212.93 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1745585429; cv=none; b=dJF9UqaxNb7NvhUKuAURFQTey4wU5ktBwvFCPvTPeSpLvbJnOyNN/jiVAtQ7xloqCwNGpFFgdRkubAtuDmVPkFtXHTR+6xPoqIW9CFZYraCStrPYq+wr79b9udwgZuOwestdW687+Uiu5BMksSQvyP4G4xAcWOnXk+776fgeDzs= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1745585429; c=relaxed/simple; bh=0UnlsJ/QMPp3en93prvQfDrfGSRGtCvMeCyLsWlTT+o=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=sBdHVPqWiE4zYQCC1Xg8py1Yj++SHuaYzCiDZ4apg8i0GDlcai5aX5h44nYFDSpFM56SCvMka5OOb1yU8/8zBxwaHrQyS5IzJbv6sJMP4GJqMF6761AGChChlZyL5VVBDJlLBl/j8KI0ttVkdMx+Y10+6IBtV5fmRQyYbt5wR2s= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=foss.st.com; spf=pass smtp.mailfrom=foss.st.com; dkim=pass (2048-bit key) header.d=foss.st.com header.i=@foss.st.com header.b=aHniuGyW; arc=none smtp.client-ip=91.207.212.93 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=foss.st.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=foss.st.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=foss.st.com header.i=@foss.st.com header.b="aHniuGyW" Received: from pps.filterd (m0046661.ppops.net [127.0.0.1]) by mx07-00178001.pphosted.com (8.18.1.2/8.18.1.2) with ESMTP id 53P7lAxF018475; Fri, 25 Apr 2025 14:50:16 +0200 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=foss.st.com; h= cc:content-transfer-encoding:content-type:date:from:in-reply-to :message-id:mime-version:references:subject:to; s=selector1; bh= 2wY6Dic8hzBm+S2wld/DgwBFhKKy9RZVyTbW8u8LUKQ=; b=aHniuGyW5wXEexaJ wN/0mgKOrkjRB9ul0/pq6wZNhy9S9Laek+IDMd4ulNrCDtQ5Yt9PzwSWrHmJp/tx +5NnyjLHoF/dR9JUfUjPZZ4uFbduhANN6AqFwcQRPdYIldYlffsyMtmqaU/B3t+Q rsnVGb5qAO4n5NQdDVHxFrUvogylimuMBxfyaNmAY55CgsOkYjmFWW0UJHeML7YU y/XKAmv5tgIEzjjH2sgzeMcVyV4DhSQZscotkfUpL+kPgrMueQtK4Be0Lv11hyx0 O8bOEEAKZYm8ompknWtgXKI8QAhmxSjE6J+CD086HjjT655OzbQv/AHAX3YXzIK9 QHNW5Q== Received: from beta.dmz-ap.st.com (beta.dmz-ap.st.com [138.198.100.35]) by mx07-00178001.pphosted.com (PPS) with ESMTPS id 466jjvc67q-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 25 Apr 2025 14:50:16 +0200 (MEST) Received: from euls16034.sgp.st.com (euls16034.sgp.st.com [10.75.44.20]) by beta.dmz-ap.st.com (STMicroelectronics) with ESMTP id 0F51540060; Fri, 25 Apr 2025 14:49:19 +0200 (CEST) Received: from Webmail-eu.st.com (eqndag1node5.st.com [10.75.129.134]) by euls16034.sgp.st.com (STMicroelectronics) with ESMTP id 002A49E8E07; Fri, 25 Apr 2025 14:48:10 +0200 (CEST) Received: from SAFDAG1NODE1.st.com (10.75.90.17) by EQNDAG1NODE5.st.com (10.75.129.134) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.39; Fri, 25 Apr 2025 14:48:10 +0200 Received: from localhost (10.252.15.6) by SAFDAG1NODE1.st.com (10.75.90.17) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.39; Fri, 25 Apr 2025 14:48:10 +0200 From: Fabrice Gasnier To: , , , CC: , , , , , , , , , , , , , , , Subject: [PATCH v5 7/7] arm64: dts: st: use lptimer3 as tick broadcast source on stm32mp257f-ev1 Date: Fri, 25 Apr 2025 14:47:55 +0200 Message-ID: <20250425124755.166193-8-fabrice.gasnier@foss.st.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20250425124755.166193-1-fabrice.gasnier@foss.st.com> References: <20250425124755.166193-1-fabrice.gasnier@foss.st.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-ClientProxiedBy: EQNCAS1NODE4.st.com (10.75.129.82) To SAFDAG1NODE1.st.com (10.75.90.17) X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1099,Hydra:6.0.736,FMLib:17.12.80.40 definitions=2025-04-25_03,2025-04-24_02,2025-02-21_01 Content-Type: text/plain; charset="utf-8" During the low power modes the generic ARM timer is deactivated, so the the tick broadcast is used, based on LPTIMER3 which is clocked by LSE on STMicroelectronics boards. Signed-off-by: Patrick Delaunay Signed-off-by: Fabrice Gasnier --- arch/arm64/boot/dts/st/stm32mp257f-ev1.dts | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/arch/arm64/boot/dts/st/stm32mp257f-ev1.dts b/arch/arm64/boot/d= ts/st/stm32mp257f-ev1.dts index 1b88485a62a1..242115863ab4 100644 --- a/arch/arm64/boot/dts/st/stm32mp257f-ev1.dts +++ b/arch/arm64/boot/dts/st/stm32mp257f-ev1.dts @@ -190,6 +190,14 @@ &i2c8 { status =3D "disabled"; }; =20 +/* use LPTIMER with tick broadcast for suspend mode */ +&lptimer3 { + status =3D "okay"; + timer { + status =3D "okay"; + }; +}; + &rtc { status =3D "okay"; }; --=20 2.25.1