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 AF4A7ECAAD8 for ; Wed, 14 Sep 2022 06:08:04 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229642AbiINGID (ORCPT ); Wed, 14 Sep 2022 02:08:03 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46214 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229767AbiINGIB (ORCPT ); Wed, 14 Sep 2022 02:08:01 -0400 Received: from mailgw01.mediatek.com (unknown [60.244.123.138]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7D077659D7; Tue, 13 Sep 2022 23:07:54 -0700 (PDT) X-UUID: ac41dd2d7eee400c8014dc5ec3a296c0-20220914 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:References:In-Reply-To:Message-ID:Date:Subject:CC:To:From; bh=AH79p2a9DT/0U0S1MP8NXAnU3A37xaeNFygW5qUmxbI=; b=RvLn7dkJu2xzeN+lvsmyZ9+KYDE2HqmdOxxBZd32wNKw0wgxKXrQEE99EU2JdO49vKBCN1/u3n4ocUlys1jtpcuOWIAom5pJqEhUZqT9Q93hOEt7pp80ytdsCp3ffaOglnwGRoHQXJnjC1B77Zw65dosgdB8JJL0SZsRI8cQ/v0=; X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.11,REQID:fe57c6d5-9d7e-4228-8654-bd4c74fda740,IP:0,U RL:0,TC:0,Content:0,EDM:0,RT:0,SF:0,FILE:0,BULK:0,RULE:Release_Ham,ACTION: release,TS:0 X-CID-META: VersionHash:39a5ff1,CLOUDID:54a656f6-6e85-48d9-afd8-0504bbfe04cb,B ulkID:nil,BulkQuantity:0,Recheck:0,SF:nil,TC:nil,Content:0,EDM:-3,IP:nil,U RL:11|1,File:nil,Bulk:nil,QS:nil,BEC:nil,COL:0 X-UUID: ac41dd2d7eee400c8014dc5ec3a296c0-20220914 Received: from mtkexhb01.mediatek.inc [(172.21.101.102)] by mailgw01.mediatek.com (envelope-from ) (Generic MTA with TLSv1.2 ECDHE-RSA-AES256-SHA384 256/256) with ESMTP id 295366883; Wed, 14 Sep 2022 14:07:50 +0800 Received: from mtkmbs11n1.mediatek.inc (172.21.101.185) by mtkmbs10n1.mediatek.inc (172.21.101.34) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.792.15; Wed, 14 Sep 2022 14:07:49 +0800 Received: from localhost.localdomain (10.17.3.154) by mtkmbs11n1.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.792.15 via Frontend Transport; Wed, 14 Sep 2022 14:07:48 +0800 From: Chunfeng Yun To: Vinod Koul CC: Chunfeng Yun , Kishon Vijay Abraham I , Rob Herring , Krzysztof Kozlowski , Matthias Brugger , , , , , , Eddie Hung , AngeloGioacchino Del Regno , Krzysztof Kozlowski Subject: [PATCH v3 2/7] dt-bindings: phy: mediatek,tphy: add property to set pre-emphasis Date: Wed, 14 Sep 2022 14:07:41 +0800 Message-ID: <20220914060746.10004-2-chunfeng.yun@mediatek.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220914060746.10004-1-chunfeng.yun@mediatek.com> References: <20220914060746.10004-1-chunfeng.yun@mediatek.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-MTK: N Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Add a property to set usb2 phy's pre-emphasis, which used to widen eye opening and boost eye swing. Acked-by: Krzysztof Kozlowski Signed-off-by: Chunfeng Yun --- v3: add acked-by Krzysztof v2: Add more description suggested by Krzysztof --- .../devicetree/bindings/phy/mediatek,tphy.yaml | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/Documentation/devicetree/bindings/phy/mediatek,tphy.yaml b/Documentation/devicetree/bindings/phy/mediatek,tphy.yaml index 848edfb1f677..e0754fb44451 100644 --- a/Documentation/devicetree/bindings/phy/mediatek,tphy.yaml +++ b/Documentation/devicetree/bindings/phy/mediatek,tphy.yaml @@ -219,6 +219,16 @@ patternProperties: minimum: 1 maximum: 15 + mediatek,pre-emphasis: + description: + The level of pre-emphasis which used to widen the eye opening and + boost eye swing, the unit step is about 4.16% increment; e.g. the + level 1 means amplitude increases about 4.16%, the level 2 is about + 8.3% etc. (U2 phy) + $ref: /schemas/types.yaml#/definitions/uint32 + minimum: 1 + maximum: 3 + mediatek,bc12: description: Specify the flag to enable BC1.2 if support it -- 2.18.0