From patchwork Sat Oct 12 03:50:16 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Macpaul Lin X-Patchwork-Id: 13833933 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 2E79FD1A42F for ; Sat, 12 Oct 2024 03:52:12 +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:Content-Type: Content-Transfer-Encoding:MIME-Version: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:In-Reply-To:References:List-Owner; bh=c4LvdEEHLpX8RMbvMLOgpoWf9QYjGh9Wl1Flol3Dlpg=; b=IlUIyLSD57lERjKbURu9ZiC1aS DJSIHJDBP+kvnJ5/0B9bcMwlZHdsgPfvy/ZIWlidPPs3s3pXrYisqgRqCeHK68K9Il6GSEXvRwAYG W+4wT2FXx1Ql55PXRH+ELLs55/DItMv7Wvlbc3yQPQfQ91ooyRPwUQoVTOCrttcveVN+IOGmKS4TB Ke7c30oGvKiLLZVj7ZCzeS4v09BxNhfZ7WYEN7ngb1v0m5y/pIeR28yePL/oB3w0sxt+AUEUA/ypY 633v1+AJq8F6Gs6ETFcLaqflC6hUTgDBF+m242ONO1At037gkjVbfODKX939KTCIyioBnLdAbsqvR HHhojKUA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1szTAY-00000000U0I-3bbJ; Sat, 12 Oct 2024 03:51:54 +0000 Received: from mailgw01.mediatek.com ([216.200.240.184]) by bombadil.infradead.org with esmtps (Exim 4.98 #2 (Red Hat Linux)) id 1szT9B-00000000TtD-0FVG; Sat, 12 Oct 2024 03:50:30 +0000 X-UUID: 1d5001d4884d11efb3adad29d29602c1-20241011 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=c4LvdEEHLpX8RMbvMLOgpoWf9QYjGh9Wl1Flol3Dlpg=; b=f+DeCIvd6hWYZKDgMtH2QyYJSiwXdWwoKcqH2fUDZ7566oEM6EPi3zAvwKv/SUCxcsTztTazWO98jYAZA9rbmRB6pBOnDyIL9dzkLgP5BmFn8attcoSmTs9mY6K2CZFx1w99bK3x42b0tpfYBruL7OdiblKBdc/uUiL9MF65xXw=; X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.41,REQID:5d9fc889-edd1-4cd3-b66a-94f9941bb5e9,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:6dc6a47,CLOUDID:5d4ba906-3d5c-41f6-8d90-a8be388b5b5b,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: 1d5001d4884d11efb3adad29d29602c1-20241011 Received: from mtkmbs09n1.mediatek.inc [(172.21.101.35)] by mailgw01.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256/256) with ESMTP id 1515619662; Fri, 11 Oct 2024 20:50:25 -0700 Received: from mtkmbs11n2.mediatek.inc (172.21.101.187) by mtkmbs13n2.mediatek.inc (172.21.101.108) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.26; Sat, 12 Oct 2024 11:50:22 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkmbs11n2.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.1118.26 via Frontend Transport; Sat, 12 Oct 2024 11:50:22 +0800 From: Macpaul Lin To: Chunfeng Yun , Vinod Koul , Kishon Vijay Abraham I , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Matthias Brugger , AngeloGioacchino Del Regno , , , , , CC: Bear Wang , Pablo Sun , Macpaul Lin , Macpaul Lin , Subject: [PATCH v3] dt-bindings: phy: mediatek: tphy: add a property for power-domains Date: Sat, 12 Oct 2024 11:50:16 +0800 Message-ID: <20241012035016.17667-1-macpaul.lin@mediatek.com> X-Mailer: git-send-email 2.18.0 MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20241011_205029_136566_1DC06DD0 X-CRM114-Status: GOOD ( 10.30 ) 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 Include the MediaTek TPHY in a power domain. Add the 'power-domains' property in the Device Tree (DT) Schema and set 'maxItems: 1'. Also, include a reminder in the description of the 'power-domains' property. Signed-off-by: Macpaul Lin Reviewed-by: AngeloGioacchino Del Regno Acked-by: Krzysztof Kozlowski --- .../devicetree/bindings/phy/mediatek,tphy.yaml | 10 ++++++++++ 1 file changed, 10 insertions(+) Changes for v2: - Add a reminder in description of 'power-domains' property. - Fix commit message from v1. Changes for v3: - Use 'imperative mood' keyword in the prompt of chatGPT to refine the commit message. - Add 'Acked-by:' tag, thanks for the review and grammer tool sharing. diff --git a/Documentation/devicetree/bindings/phy/mediatek,tphy.yaml b/Documentation/devicetree/bindings/phy/mediatek,tphy.yaml index 423b7c4e62f2..6be3aa4557e5 100644 --- a/Documentation/devicetree/bindings/phy/mediatek,tphy.yaml +++ b/Documentation/devicetree/bindings/phy/mediatek,tphy.yaml @@ -125,6 +125,16 @@ properties: $ref: /schemas/types.yaml#/definitions/uint32 default: 28 + power-domains: + description: + The TPHY of MediaTek should exist within a power domain. The + developer should be aware that the hardware design of MediaTek TPHY + does not require the addition of MTCMOS. If the power to the TPHY + is turned off, it will impact other functions. From the current + perspective of USB hardware design, even if MTCMOS is added to the + TPHY, it should remain always on. + maxItems: 1 + # Required child node: patternProperties: "^(usb|pcie|sata)-phy@[0-9a-f]+$":