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 X-Spam-Level: X-Spam-Status: No, score=-15.6 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY, URIBL_BLOCKED,USER_AGENT_SANE_2 autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id A7060C2B9F4 for ; Mon, 28 Jun 2021 08:16:40 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 5F373619BE for ; Mon, 28 Jun 2021 08:16:40 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 5F373619BE Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=mediatek.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Date:CC:To:From:Subject:Message-ID:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=TPsrM4Lb16ZeTFlTuFzFRkHsBStF9fs67R04qANdRSs=; b=EKgePyMVPA3XUQ bg9nHN8C7SwEzRTM2WCtO+s8IGd/JT4DcjHMeTgZmypfgJWzqCN3pL1dGMS0RThkeBn1+HqzPLUgT 6G+L+1jTfDWKLTjhYQc0kvkiFvO72PNgUtJQx3YduIyrL4JqN+j3l3ckqxV6No3/kJNXuWF1evfkD VCgHfphzwM9gKa+AVYanUO2p0KPhamouhE4NALAFCg0aIm1GVeJtpHdi3Q2N31czPvZs9OxsiPVKE DJprOWmO1KxQxJt+jJGT5JpW7HL4gBZT1MAXVN1UNE07+5ohVbHNCbulWIcdv0yKUmgYUb1u+v8if BQ/pq4/E03pFXjJWS/4w==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1lxmOz-007Lut-QN; Mon, 28 Jun 2021 08:13:57 +0000 Received: from mailgw01.mediatek.com ([216.200.240.184]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1lxmOv-007Lu2-Rd; Mon, 28 Jun 2021 08:13:55 +0000 X-UUID: f7ba9193062b4f21af23f69c69af8fbc-20210628 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Transfer-Encoding:MIME-Version:Content-Type:References:In-Reply-To:Date:CC:To:From:Subject:Message-ID; bh=UyCUoWq5C8H8X3Ls/9jw1l30aSnsYNS8MIqI3Jdte34=; b=NQShitKfmMb479YptqZkariH15y33S2g8+NDnwgUZ+eDrNkMRyFunmkMb7By0jVUIZSbsLMJqa2tFzr9mtZZChfk+abZn0TBa5ACznHKLh+5bkm38UEgRgGO8Ekd5hBsQJPM211xrhtYh9OPpy8oPpP01bUSxJ+/bQaXIaZWDag=; X-UUID: f7ba9193062b4f21af23f69c69af8fbc-20210628 Received: from mtkcas66.mediatek.inc [(172.29.193.44)] by mailgw01.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLSv1.2 ECDHE-RSA-AES256-SHA384 256/256) with ESMTP id 543766919; Mon, 28 Jun 2021 01:13:48 -0700 Received: from MTKMBS31N1.mediatek.inc (172.27.4.69) by MTKMBS62DR.mediatek.inc (172.29.94.18) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Mon, 28 Jun 2021 01:03:45 -0700 Received: from MTKCAS36.mediatek.inc (172.27.4.186) by MTKMBS31N1.mediatek.inc (172.27.4.69) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Mon, 28 Jun 2021 16:03:36 +0800 Received: from [10.17.3.153] (10.17.3.153) by MTKCAS36.mediatek.inc (172.27.4.170) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Mon, 28 Jun 2021 16:03:35 +0800 Message-ID: <1624867415.19871.7.camel@mhfsdcap03> Subject: Re: [PATCH v2 1/2] dt-bindings: PCI: mediatek-gen3: Add property to disable dvfsrc voltage request From: Jianjun Wang To: Bjorn Helgaas , Rob Herring , Lorenzo Pieralisi , Matthias Brugger CC: Ryder Lee , , , , , , , , , , , , Krzysztof Wilczyski , Date: Mon, 28 Jun 2021 16:03:35 +0800 In-Reply-To: <20210611114824.14537-2-jianjun.wang@mediatek.com> References: <20210611114824.14537-1-jianjun.wang@mediatek.com> <20210611114824.14537-2-jianjun.wang@mediatek.com> X-Mailer: Evolution 3.10.4-0ubuntu2 MIME-Version: 1.0 X-TM-SNTS-SMTP: 3C847F0C72EE72988F88A8EF8A8CFC570617985F93A7278597666503F0F909702000:8 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210628_011353_941677_9DD8AD04 X-CRM114-Status: GOOD ( 16.82 ) 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: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Hi Rob, Bjorn, Matthias, Could you please help to take a look at this patch series? We have done the internal tests and need to implement this function in the final product, We really need your suggestions. Thanks. On Fri, 2021-06-11 at 19:48 +0800, Jianjun Wang wrote: > Add property to disable dvfsrc voltage request, if this property > is presented, we assume that the requested voltage is always > higher enough to keep the PCIe controller active. > > Signed-off-by: Jianjun Wang > Reviewed-by: Qizhong Cheng > Tested-by: Qizhong Cheng > --- > .../devicetree/bindings/pci/mediatek-pcie-gen3.yaml | 8 ++++++++ > 1 file changed, 8 insertions(+) > > diff --git a/Documentation/devicetree/bindings/pci/mediatek-pcie-gen3.yaml b/Documentation/devicetree/bindings/pci/mediatek-pcie-gen3.yaml > index e7b1f9892da4..3e26c032cea9 100644 > --- a/Documentation/devicetree/bindings/pci/mediatek-pcie-gen3.yaml > +++ b/Documentation/devicetree/bindings/pci/mediatek-pcie-gen3.yaml > @@ -96,6 +96,12 @@ properties: > phys: > maxItems: 1 > > + disable-dvfsrc-vlt-req: > + description: Disable dvfsrc voltage request, if this property is presented, > + we assume that the requested voltage is always higher enough to keep > + the PCIe controller active. > + type: boolean > + > '#interrupt-cells': > const: 1 > > @@ -166,6 +172,8 @@ examples: > <&infracfg_rst 3>; > reset-names = "phy", "mac"; > > + disable-dvfsrc-vlt-req; > + > #interrupt-cells = <1>; > interrupt-map-mask = <0 0 0 0x7>; > interrupt-map = <0 0 0 1 &pcie_intc 0>, _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel