From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailgw01.mediatek.com (unknown [60.244.123.138]) (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 BB1B27DA88; Thu, 12 Dec 2024 09:01:01 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=60.244.123.138 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1733994064; cv=none; b=dxSFVLt215ZWLPy26BlcnswNS5s8taOpz/xYuZtwIMFv6aX4xCbM4DL2y+Pz6lGQxGNyyUfQeESZGHMAyH748ekWDENxXLic/ICjh+ymiS+kuVFXPWvElbejIM/9nfWeCDVEM0ejK0ElJqyP6SbeqaxVc8hvYuYZcACqsTrAaic= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1733994064; c=relaxed/simple; bh=i9EmyQ2BcHYFBvF1CnGdxBI/MH9cfuhQkULPIrZamp0=; h=From:To:CC:Subject:Date:Message-ID:MIME-Version:Content-Type; b=UIiRTlj+Zi4v5CXbQimpv1RKB4SpodCEwypxsMov+cjBTnrrcdzv7p0isZU0xsp8MAFphUyur00EoOG0lVeQjo2rAwV+NDK6AlCkwHuYuVK3IJu9hnm7gsCCbVpd+aBogw8WIRLDycz2FOAYOF2Wv7AJo4y/2d0mWq8vdJnnkYk= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=mediatek.com; spf=pass smtp.mailfrom=mediatek.com; dkim=pass (1024-bit key) header.d=mediatek.com header.i=@mediatek.com header.b=ZuoEI5TC; arc=none smtp.client-ip=60.244.123.138 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=mediatek.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=mediatek.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=mediatek.com header.i=@mediatek.com header.b="ZuoEI5TC" X-UUID: 98e7b932b86711ef99858b75a2457dd9-20241212 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Type:Content-Transfer-Encoding:MIME-Version:Message-ID:Date:Subject:CC:To:From; bh=MzhAhfkcF6s2mX9ctlRYTFUq0I0eMPNUoVT98Qc7P0g=; b=ZuoEI5TC3vcnv7alvUPJLQGuJBHAJXDZyrxamh0NHKHNpeBEhc7DY+f/X6qyj+PjPrxitJ+nlSpiZESAynA5G9X9f80WyMn0CMQ2VCblIV2ha2KpgP30meK3yo01LWuYQXlTEDOoV9nI4lcpixY7dlxwhcdUjY22ml4RjqFHmPI=; X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.45,REQID:5a3b8bed-83f4-4a8f-bc0c-39ec9b71423b,IP:0,U RL:0,TC:0,Content:-5,EDM:0,RT:0,SF:0,FILE:0,BULK:0,RULE:Release_Ham,ACTION :release,TS:-5 X-CID-META: VersionHash:6493067,CLOUDID:8b15db3b-e809-4df3-83cd-88f012b9e9ba,B ulkID:nil,BulkQuantity:0,Recheck:0,SF:102,TC:nil,Content:0,EDM:-3,IP:nil,U RL:0,File:nil,RT:nil,Bulk:nil,QS:nil,BEC:nil,COL:0,OSI:0,OSA:0,AV:0,LES:1, SPR:NO,DKR:0,DKP:0,BRR:0,BRE:0,ARC:0 X-CID-BVR: 0 X-CID-BAS: 0,_,0,_ X-CID-FACTOR: TF_CID_SPAM_SNR X-UUID: 98e7b932b86711ef99858b75a2457dd9-20241212 Received: from mtkmbs10n1.mediatek.inc [(172.21.101.34)] by mailgw01.mediatek.com (envelope-from ) (Generic MTA with TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256/256) with ESMTP id 1432941034; Thu, 12 Dec 2024 17:00:55 +0800 Received: from mtkmbs11n2.mediatek.inc (172.21.101.187) by mtkmbs13n1.mediatek.inc (172.21.101.193) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.26; Thu, 12 Dec 2024 17:00:54 +0800 Received: from mhfsdcap04.gcn.mediatek.inc (10.17.3.154) by mtkmbs11n2.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.1118.26 via Frontend Transport; Thu, 12 Dec 2024 17:00:53 +0800 From: Crystal Guo To: Krzysztof Kozlowski , Rob Herring , Conor Dooley , Matthias Brugger , AngeloGioacchino Del Regno , Crystal Guo CC: , , , , Subject: [PATCH 0/2] Add MediaTek DRAMC driver support Date: Thu, 12 Dec 2024 16:59:46 +0800 Message-ID: <20241212090029.13692-1-crystal.guo@mediatek.com> X-Mailer: git-send-email 2.46.0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-MTK: N This series is based on linux-next, tag: next-20241210. Vcore DVFS feature need know the current DDR data rate. Add MediaTek DRAMC driver to provide an interface that can obtain current DDR data rate. Crystal Guo (2): memory/mediatek: Add an interface to get current DDR data rate dt-bindings: memory-controllers: Add mediatek common-dramc dt-bindings .../mediatek,common-dramc.yaml | 129 +++++++ drivers/memory/Kconfig | 1 + drivers/memory/Makefile | 1 + drivers/memory/mediatek/Kconfig | 21 ++ drivers/memory/mediatek/Makefile | 2 + drivers/memory/mediatek/mtk-dramc.c | 325 ++++++++++++++++++ include/linux/soc/mediatek/mtk-dramc.h | 41 +++ 7 files changed, 520 insertions(+) create mode 100644 Documentation/devicetree/bindings/memory-controllers/mediatek,common-dramc.yaml create mode 100644 drivers/memory/mediatek/Kconfig create mode 100644 drivers/memory/mediatek/Makefile create mode 100644 drivers/memory/mediatek/mtk-dramc.c create mode 100644 include/linux/soc/mediatek/mtk-dramc.h -- 2.18.0