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 950A7C83F27 for ; Tue, 22 Jul 2025 14:56:24 +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:CC:To:In-Reply-To:References :Message-ID:Content-Transfer-Encoding:Content-Type:MIME-Version:Subject:Date: From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=XcwsKU4SozbocDlreDEq6fvU3dVFMN2U6MRahxb2O9M=; b=w+w9oUVS5PMS9KWn7Y5qoGo5gW 25orHjFF9iy9vMpXHsnemQ6JeUNIx4HL3Njbs5vYCteULtoptueF2u6SPxWWzDAWXn5hgpUJ4K7oI w+jcvT5JvM/tv8NFWSNVcxo/sjUH4RIqPGUJbprsJq0MrYwsjpFcN2WuU9OEyt7X8GLULmkrBFrb5 ETPpK/p5yoBlaYAwrME0tcpv8Z6OxY9MYCu4x1igzN8uPMl2URoJ2UC2lpqL7BF70uTg8QJgOet/a 0S2kJIJ0S9OSh3WRzfYNSozDDuaLPfuIV5gGEvg3lt2H6CtQd2QO4W+bpjgTqc2+S/9IUKC/J+pi3 RnH/4DdQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1ueEPh-00000002my6-3194; Tue, 22 Jul 2025 14:56:17 +0000 Received: from mx08-00178001.pphosted.com ([91.207.212.93] helo=mx07-00178001.pphosted.com) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1ueDe2-00000002ded-0m7c for linux-arm-kernel@lists.infradead.org; Tue, 22 Jul 2025 14:07:03 +0000 Received: from pps.filterd (m0046660.ppops.net [127.0.0.1]) by mx07-00178001.pphosted.com (8.18.1.2/8.18.1.2) with ESMTP id 56MDYQBe022239; Tue, 22 Jul 2025 16:06:55 +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= XcwsKU4SozbocDlreDEq6fvU3dVFMN2U6MRahxb2O9M=; b=vFS0yAaAEvapvEQK GNp7seENNK1sPcuDhyRuJH/N6nGw4UBl+Lsyr5ah4OlBwb4VRcHKeK8k0DEhJNiS Z7l7lGLI3DY6Rvi6vjhLUO8Rjn5zoeuIx6/stFE/xlxNubOxwtIf5zLod56WGMIN y+dsezBCcmdki5jZfXEqQ1ZlE20UZLyGKlusOx+BMY46SjiziwxWSfEioXTEgm2G W0ft07bDTeflLTW8eIbvGAsSROq3rwYd1dRfJzSUTKsezkTdBkYQI4W8r71pmMIt XHLYF/9SiQEe1Xubj6iSmWTE4Ow0OiUXxHkSlku8+GdyGyri1z2nt1LEP1uExZur XfclfA== 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 4800g8pc73-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 22 Jul 2025 16:06:55 +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 B0A924005C; Tue, 22 Jul 2025 16:05:11 +0200 (CEST) Received: from Webmail-eu.st.com (shfdag1node2.st.com [10.75.129.70]) by euls16034.sgp.st.com (STMicroelectronics) with ESMTP id D8AA87A2A4D; Tue, 22 Jul 2025 16:03:53 +0200 (CEST) Received: from localhost (10.48.86.185) by SHFDAG1NODE2.st.com (10.75.129.70) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.39; Tue, 22 Jul 2025 16:03:53 +0200 From: =?utf-8?q?Cl=C3=A9ment_Le_Goffic?= Date: Tue, 22 Jul 2025 16:03:23 +0200 Subject: [PATCH v3 06/19] dt-bindings: memory: introduce DDR4 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit Message-ID: <20250722-ddrperfm-upstream-v3-6-7b7a4f3dc8a0@foss.st.com> References: <20250722-ddrperfm-upstream-v3-0-7b7a4f3dc8a0@foss.st.com> In-Reply-To: <20250722-ddrperfm-upstream-v3-0-7b7a4f3dc8a0@foss.st.com> To: Will Deacon , Mark Rutland , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Maxime Coquelin , Alexandre Torgue , Philipp Zabel , Jonathan Corbet , Gatien Chevallier , Michael Turquette , Stephen Boyd , Gabriel Fernandez , Krzysztof Kozlowski , Le Goffic , Julius Werner CC: , , , , , , , =?utf-8?q?Cl=C3=A9ment_Le_Goffic?= X-Mailer: b4 0.15-dev-8018a X-Originating-IP: [10.48.86.185] X-ClientProxiedBy: SHFCAS1NODE2.st.com (10.75.129.73) To SHFDAG1NODE2.st.com (10.75.129.70) X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1099,Hydra:6.1.9,FMLib:17.12.80.40 definitions=2025-07-22_02,2025-07-21_02,2025-03-28_01 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250722_070702_501889_9A0D1DB3 X-CRM114-Status: GOOD ( 11.32 ) 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 Introduce JEDEC compliant DDR bindings, that use new memory-props binding. Signed-off-by: Clément Le Goffic --- .../memory-controllers/ddr/jedec,ddr4.yaml | 34 ++++++++++++++++++++++ 1 file changed, 34 insertions(+) diff --git a/Documentation/devicetree/bindings/memory-controllers/ddr/jedec,ddr4.yaml b/Documentation/devicetree/bindings/memory-controllers/ddr/jedec,ddr4.yaml new file mode 100644 index 000000000000..117af9ac599b --- /dev/null +++ b/Documentation/devicetree/bindings/memory-controllers/ddr/jedec,ddr4.yaml @@ -0,0 +1,34 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/memory-controllers/ddr/jedec,ddr4.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: DDR3 SDRAM compliant to JEDEC JESD79-4D + +maintainers: + - Krzysztof Kozlowski + +allOf: + - $ref: jedec,memory-props.yaml# + +properties: + compatible: + items: + - pattern: "^ddr4-[0-9a-f]{2},[0-9a-f]{4}$" + - const: jedec,ddr4 + +required: + - compatible + - density + - io-width + +unevaluatedProperties: false + +examples: + - | + ddr { + compatible = "ddr4-ff,000f", "jedec,ddr4"; + density = <8192>; + io-width = <8>; + }; -- 2.43.0