From patchwork Wed Jul 13 07:41:14 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Frieder Schrempf X-Patchwork-Id: 12916118 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 5F31EC43334 for ; Wed, 13 Jul 2022 07:43:11 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=8zhtE2FnbB9qChwSHWH+H4YCoiaPDtg/yKCI7aLyP6o=; b=wbnAF7Faf1PyFa F6dfKVLL7l5VgjgV9ChDH/lKw1qLuJfMXaKPfTXngnSe9i4yKurFIjxuEgsSkA3TmbOBBIDjUOwCw 2EUfB9Pg+wTaaPlMist5TePzI6Oc+++31ut5pnu6t9vvUhDWprUJcygRTkt8Dm2v+kKQJ01ba35vT sw7bhtcHt2HEVCC97K+YulB4vwTiXDPk4Pgh/FHy+y7C8ufM/ue4m3alAmJ042KEh1XgOnD03fdZS QmR5Xsu5gC1B8M/kiHlmkHsgGk1nRutJI8d4d2ErdtnplwwG+EoDNqxVhSi1m3zXiOz8jtxKq4Cf+ yqQNd4eLjXeKajnd7UsQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1oBX0h-001Jbm-AN; Wed, 13 Jul 2022 07:42:15 +0000 Received: from mail.fris.de ([116.203.77.234]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1oBX0K-001JVQ-95 for linux-arm-kernel@lists.infradead.org; Wed, 13 Jul 2022 07:41:55 +0000 Received: from [127.0.0.1] (localhost [127.0.0.1]) by localhost (Mailerdaemon) with ESMTPSA id E9098C01D7; Wed, 13 Jul 2022 09:41:44 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=fris.de; s=dkim; t=1657698105; h=from:subject:date:message-id:to:cc:mime-version: content-transfer-encoding:in-reply-to:references; bh=bMoDlt4I17xyhnkDM2IHsZUlSwj4C71IEBwpW5llE1Q=; b=BMhd2/g5T2iLcsP/VxrscWVak0FeYeTJapSqjgOzE1BZU4bdbVgTJyXbS6GPQsjcnNVaOw dR0vYRypqJy6ify3kDaxDvHOXQSPvraGsyyKCW8lig4HUT8bQt6VYRKQ5C0HqnNokMKFUh gcShAQ2r0KmGK/ULqbp9+CB3/YnvF9H0UksPQMhHs3JXdPk0xGkucDfl0ICjHKjS/Ft6TZ hEcfEKkedRTiJPtytQpXFE/EORVgojlC52FUj8lF5MClYnKPQBjjAv58gkqsBkGWq7HJHq Dq2ZHbFsS/XXaKcBoZsYYIyU8mm/TLa+mLBAOi0JYr7fe0FXWapjxXmViTUf6A== From: Frieder Schrempf To: devicetree@vger.kernel.org, Krzysztof Kozlowski , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Rob Herring , Sascha Hauer , Shawn Guo Cc: Frieder Schrempf , Fabio Estevam , Heiko Thiery , Krzysztof Kozlowski , NXP Linux Team , Pengutronix Kernel Team Subject: [PATCH 3/6] arm64: dts: imx8mm-kontron: Remove low DDRC operating point Date: Wed, 13 Jul 2022 09:41:14 +0200 Message-Id: <20220713074118.14733-4-frieder@fris.de> In-Reply-To: <20220713074118.14733-1-frieder@fris.de> References: <20220713074118.14733-1-frieder@fris.de> MIME-Version: 1.0 X-Last-TLS-Session-Version: TLSv1.3 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220713_004152_549850_47D67889 X-CRM114-Status: UNSURE ( 9.62 ) X-CRM114-Notice: Please train this message. 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: Frieder Schrempf For some reason there is a problem with finding a DDR configuration that works on all operating points and all LPDDR4 types used on the SoM. Therefore the bootloader currently doesn't configure the lowest of the three operating points. Let's also skip this in the kernel devicetree to make sure it isn't used. Signed-off-by: Frieder Schrempf --- arch/arm64/boot/dts/freescale/imx8mm-kontron-n801x-som.dtsi | 4 ---- 1 file changed, 4 deletions(-) diff --git a/arch/arm64/boot/dts/freescale/imx8mm-kontron-n801x-som.dtsi b/arch/arm64/boot/dts/freescale/imx8mm-kontron-n801x-som.dtsi index 77c074b491a6..2d0661cce89b 100644 --- a/arch/arm64/boot/dts/freescale/imx8mm-kontron-n801x-som.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8mm-kontron-n801x-som.dtsi @@ -46,10 +46,6 @@ &ddrc { ddrc_opp_table: opp-table { compatible = "operating-points-v2"; - opp-25M { - opp-hz = /bits/ 64 <25000000>; - }; - opp-100M { opp-hz = /bits/ 64 <100000000>; };