From patchwork Fri Nov 24 07:08:37 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Axe Yang X-Patchwork-Id: 746921 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=mediatek.com header.i=@mediatek.com header.b="swSfnQct" Received: from mailgw02.mediatek.com (unknown [210.61.82.184]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C60FCD41; Thu, 23 Nov 2023 23:08:52 -0800 (PST) X-UUID: 4e54f2168a9811ee8051498923ad61e6-20231124 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=biIA5nolcnycLWZaSMxodwzv1zZqXFegizuysjjQ1Dg=; b=swSfnQctm2+GAjYGziawP3gw9yMH2HjcJnJaUHep5nmPXrsmypZrZfEiTNZ1D2Zrgd+L19Ale+grtzUK2D2eQyMALGUXBwR/4st9AzibgEbSeUWmhI8LkVH2UmJ8H8aRA0AjG4gUGO7bdQrYb5hM74ZqKHp60uc3zT+dFAqg7Nw=; X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.33, REQID:a47b03b3-735e-440d-8dd2-864a67b2550d, 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:364b77b, CLOUDID:406fc395-10ce-4e4b-85c2-c9b5229ff92b, B ulkID:nil,BulkQuantity:0,Recheck:0,SF:102,TC:nil,Content:0,EDM:-3,IP:nil,U RL:0,File: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 X-CID-BVR: 0 X-CID-BAS: 0,_,0,_ X-CID-FACTOR: TF_CID_SPAM_SNR X-UUID: 4e54f2168a9811ee8051498923ad61e6-20231124 Received: from mtkmbs10n2.mediatek.inc [(172.21.101.183)] by mailgw02.mediatek.com (envelope-from ) (Generic MTA with TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256/256) with ESMTP id 1227275916; Fri, 24 Nov 2023 15:08:44 +0800 Received: from mtkmbs13n2.mediatek.inc (172.21.101.108) by MTKMBS14N1.mediatek.inc (172.21.101.75) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.26; Fri, 24 Nov 2023 15:08:42 +0800 Received: from mhfsdcap04.gcn.mediatek.inc (10.17.3.154) by mtkmbs13n2.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.1118.26 via Frontend Transport; Fri, 24 Nov 2023 15:08:41 +0800 From: Axe Yang To: Chaotian Jing , Ulf Hansson , Rob Herring , "Krzysztof Kozlowski" , Conor Dooley , Matthias Brugger , AngeloGioacchino Del Regno , "Wenbin Mei" CC: , , , , , Subject: [PATCH v1 0/2] mmc: mediatek: add support for complete clock cycle tuning Date: Fri, 24 Nov 2023 15:08:37 +0800 Message-ID: <20231124070839.12484-1-axe.yang@mediatek.com> X-Mailer: git-send-email 2.25.1 Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-TM-AS-Product-Ver: SMEX-14.0.0.3152-9.1.1006-23728.005 X-TM-AS-Result: No-10--4.394300-8.000000 X-TMASE-MatchedRID: tiRXYRqWr+s9S3IiQd+eNQUNJ/OP1hfdTJDl9FKHbrmdohxAwFG9tKPF jJEFr+olKE0Je8DR/D4CU1PRf9o2s90H8LFZNFG7doMssNsUwYV3W1qHy8N3b+43JwG7OOXNPDY iTTu2WpE5YJpG/jXVlKC1Q6bYV6FwaaeeX2Q5bK9+HGPweyal2mGdUezV59DHQZpgl3CshRSeqD 9WtJkSIw== X-TM-AS-User-Approved-Sender: No X-TM-AS-User-Blocked-Sender: No X-TMASE-Result: 10--4.394300-8.000000 X-TMASE-Version: SMEX-14.0.0.3152-9.1.1006-23728.005 X-TM-SNTS-SMTP: E95754AC5D9D43F15DE16F73CCF87387CB93DDE3ED625A8CFDA9C6099A14A6B92000:8 X-MTK: N Add support for 64-steps tuning for better calibration result. In the past, msdc driver only tune 32-steps and may not achieve the globally optimal sampling delay. Axe Yang (2): mmc: mediatek: add support for 64-steps tuning dt-bindings: mmc: mtk-sd: add 64-steps tuning related property .../devicetree/bindings/mmc/mtk-sd.yaml | 8 ++ drivers/mmc/host/mtk-sd.c | 133 +++++++++++++----- 2 files changed, 105 insertions(+), 36 deletions(-)