From mboxrd@z Thu Jan 1 00:00:00 1970 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id C7562C00144 for ; Mon, 1 Aug 2022 13:16:29 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232549AbiHANQ1 (ORCPT ); Mon, 1 Aug 2022 09:16:27 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48272 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232010AbiHANQT (ORCPT ); Mon, 1 Aug 2022 09:16:19 -0400 Received: from mail.fris.de (mail.fris.de [116.203.77.234]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id EA5B02CC8B; Mon, 1 Aug 2022 06:16:12 -0700 (PDT) Received: from [127.0.0.1] (localhost [127.0.0.1]) by localhost (Mailerdaemon) with ESMTPSA id 7FEB4C01C2; Mon, 1 Aug 2022 15:16:10 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=fris.de; s=dkim; t=1659359771; h=from:subject:date:message-id:to:cc:mime-version: content-transfer-encoding:in-reply-to:references; bh=1Vq+dWeAn9HBzxJo1vPF2gxJMteCwjIli7Ab5hcGzkE=; b=T5yYgTmwz6ia7FHp8jnxg6j4aHaDhIshr6oTHEAg3+1gigsnTkcxVH+fhGzUKUO7NdzWhI 6dtULpYHtjnFdfxzP4cdIeqR3Pzruq4ZbqzH1J64J30jj1gzIRLDjuHd6bBpBr/3uDbg8B 2JeUlUaDg2sw/jjA6VauOhJkjR7DsSZbbXc8a92mDK2zEyw2V2M6f2Zxa1n2xZS1ck/l+D YEDtadJSw7pddiQ+AOFc9tMiX+xb2fOip29EKlsK6DZ729qwk+P5Xc0a+RhybOqoNstSpq E9LZkblqphXIio8INDplrqpmS6ZGbXlSw7JU4rSG37AVyHvyV+iE3aYF5cfaoA== 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: Fabio Estevam , Frieder Schrempf , Heiko Thiery , Krzysztof Kozlowski , NXP Linux Team , Pengutronix Kernel Team Subject: [PATCH v2 5/8] arm64: dts: imx8mm-kontron: Remove low DDRC operating point Date: Mon, 1 Aug 2022 15:15:49 +0200 Message-Id: <20220801131554.116795-6-frieder@fris.de> In-Reply-To: <20220801131554.116795-1-frieder@fris.de> References: <20220801131554.116795-1-frieder@fris.de> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Last-TLS-Session-Version: TLSv1.3 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.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 --- Changes in v2: * none --- 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>; }; -- 2.37.1 From mboxrd@z Thu Jan 1 00:00:00 1970 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 7EF76C00144 for ; Mon, 1 Aug 2022 13:19:18 +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=rVNixKzrMnVkMOEYRN2gI6njvhHHMXFao/jJPHDqg/4=; b=tH6BvB4rbAyBwK n+GZN9fCgHGblNrvKQF6u8obaWbgn+0ONAw+HSNpoibPg1+KEVkNHiy3zDa9H5R+tuYd+Z375llSG F5ZPjQFbtXoGcpoRVuRNWnON6IsznU7UzYVPBtF7I4J6kWegsjGRGNi5Mc7CX2weRDI6t6i6Sqg6h y8FW9giF6ej/E7d3wf1bA02+vgobiarBBgAfUA00A+BOfbuBsied7K9u0SvALxpkIF9H3fRrIJFDd 1e5OZouwhcFmjHfoTW7Ew3BHq7SP+LPN83TPV6hfFKr4zsESFUgh0KYLqo+XK5AQuIaQVOpyGhPLC Rh5hx9UM9l9gzlk5c3bA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1oIVJ4-006bmY-8m; Mon, 01 Aug 2022 13:18:02 +0000 Received: from mail.fris.de ([2a01:4f8:c2c:390b::1]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1oIVHN-006ajY-OG for linux-arm-kernel@lists.infradead.org; Mon, 01 Aug 2022 13:16:20 +0000 Received: from [127.0.0.1] (localhost [127.0.0.1]) by localhost (Mailerdaemon) with ESMTPSA id 7FEB4C01C2; Mon, 1 Aug 2022 15:16:10 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=fris.de; s=dkim; t=1659359771; h=from:subject:date:message-id:to:cc:mime-version: content-transfer-encoding:in-reply-to:references; bh=1Vq+dWeAn9HBzxJo1vPF2gxJMteCwjIli7Ab5hcGzkE=; b=T5yYgTmwz6ia7FHp8jnxg6j4aHaDhIshr6oTHEAg3+1gigsnTkcxVH+fhGzUKUO7NdzWhI 6dtULpYHtjnFdfxzP4cdIeqR3Pzruq4ZbqzH1J64J30jj1gzIRLDjuHd6bBpBr/3uDbg8B 2JeUlUaDg2sw/jjA6VauOhJkjR7DsSZbbXc8a92mDK2zEyw2V2M6f2Zxa1n2xZS1ck/l+D YEDtadJSw7pddiQ+AOFc9tMiX+xb2fOip29EKlsK6DZ729qwk+P5Xc0a+RhybOqoNstSpq E9LZkblqphXIio8INDplrqpmS6ZGbXlSw7JU4rSG37AVyHvyV+iE3aYF5cfaoA== 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: Fabio Estevam , Frieder Schrempf , Heiko Thiery , Krzysztof Kozlowski , NXP Linux Team , Pengutronix Kernel Team Subject: [PATCH v2 5/8] arm64: dts: imx8mm-kontron: Remove low DDRC operating point Date: Mon, 1 Aug 2022 15:15:49 +0200 Message-Id: <20220801131554.116795-6-frieder@fris.de> In-Reply-To: <20220801131554.116795-1-frieder@fris.de> References: <20220801131554.116795-1-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-20220801_061618_108476_C92CAD5B X-CRM114-Status: GOOD ( 10.24 ) 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: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit 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 --- Changes in v2: * none --- 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>; }; -- 2.37.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel