From patchwork Fri Mar 13 09:34:24 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Henry Chen X-Patchwork-Id: 11436501 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id EAEB614B4 for ; Fri, 13 Mar 2020 09:44:56 +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 BEA86206EB for ; Fri, 13 Mar 2020 09:44:56 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="Boetw+Rv"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=mediatek.com header.i=@mediatek.com header.b="IpAqdIN1" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org BEA86206EB 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-mediatek-bounces+patchwork-linux-mediatek=patchwork.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=OvpHWuBrxGTssRHOxeVNXCzuFqrHZgtDRqh0w/6pXeg=; b=Boetw+RvfQSH7d yrBJPBvBLarmkZSzz8bwBQxZYfh8o7CX/g25jdcNEGUENDS8RV47zpgrZrfpbo6vkUxrgpfbHcZrk OBDCFFkGWrIzlG2z+CSaT6cNitH7z/Fc/afcN6IrA70RynzHvzWAUlIha4b9BucTCjHAQy2QzMyQQ mVZDMy2wt3hcVDMISB9tfC422GP188qu5wQSSkE6pXk4pjdRkI2kVnX8SOTqiDNnBjWWWjeYUFQuO 3OXoskV68OioXH5gTo3E4hCLU/4RPEgzFO54m7rI0paicFPUh9TuJmiQJlPaefAfFnhHGjYzStmxW a6vUIirimlWHdFrLo7YQ==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1jCgsA-0004hk-FW; Fri, 13 Mar 2020 09:44:54 +0000 Received: from mailgw02.mediatek.com ([216.200.240.185]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1jCgs8-0004g9-AK; Fri, 13 Mar 2020 09:44:53 +0000 X-UUID: be486bb6dddf4d909e1c5166a077d53f-20200313 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Transfer-Encoding:Content-Type:MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:CC:To:From; bh=G8lNEfow1SE1PgE3YZ61+NeyQaP2RA/pMRTQGXC1FJk=; b=IpAqdIN1yyhDRRVIuvHca70cO6oQiTKaepFBTWvU78KXt+5UXXzMulpNMUqidKq26ZTsfcY/C5LtbypkgTpmPL4AKGrkDqasv1ItoInk+DIEPbVGiWtQFr5i47Xh8sqfQ04TwANeZGsuSocsVVWeYdpa2AQ0Eac0fyVsei11se4=; X-UUID: be486bb6dddf4d909e1c5166a077d53f-20200313 Received: from mtkcas66.mediatek.inc [(172.29.193.44)] by mailgw02.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLS) with ESMTP id 1642951110; Fri, 13 Mar 2020 01:44:44 -0800 Received: from MTKMBS02N1.mediatek.inc (172.21.101.77) by MTKMBS62DR.mediatek.inc (172.29.94.18) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Fri, 13 Mar 2020 02:34:44 -0700 Received: from mtkcas09.mediatek.inc (172.21.101.178) by mtkmbs02n1.mediatek.inc (172.21.101.77) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Fri, 13 Mar 2020 17:32:18 +0800 Received: from mtksdaap41.mediatek.inc (172.21.77.4) by mtkcas09.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1395.4 via Frontend Transport; Fri, 13 Mar 2020 17:33:42 +0800 From: Henry Chen To: Georgi Djakov , Rob Herring , Matthias Brugger , Viresh Kumar , Stephen Boyd , Ryan Case , Mark Brown Subject: [PATCH V4 11/13] dt-bindings: regulator: add DVFSRC regulator dt-bindings Date: Fri, 13 Mar 2020 17:34:24 +0800 Message-ID: <1584092066-24425-12-git-send-email-henryc.chen@mediatek.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1584092066-24425-1-git-send-email-henryc.chen@mediatek.com> References: <1584092066-24425-1-git-send-email-henryc.chen@mediatek.com> MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200313_024452_372269_E5E997EF X-CRM114-Status: UNSURE ( 8.63 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -0.2 (/) X-Spam-Report: SpamAssassin version 3.4.3 on bombadil.infradead.org summary: Content analysis details: (-0.2 points) pts rule name description ---- ---------------------- -------------------------------------------------- 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record -0.0 SPF_PASS SPF: sender matches SPF record 0.0 MIME_BASE64_TEXT RAW: Message text disguised using base64 encoding -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid 0.0 UNPARSEABLE_RELAY Informational: message has unparseable relay lines X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Mark Rutland , Nicolas Boichat , Mike Turquette , srv_heupstream@mediatek.com, James Liao , linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org, "henryc.chen" , Fan Chen , devicetree@vger.kernel.org, linux-mediatek@lists.infradead.org, Arvin Wang , linux-arm-kernel@lists.infradead.org Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+patchwork-linux-mediatek=patchwork.kernel.org@lists.infradead.org From: "henryc.chen" Add a regulator as sub device into dvfsrc dt-bindings for MT8183. Signed-off-by: Henry Chen --- Documentation/devicetree/bindings/soc/mediatek/dvfsrc.txt | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/Documentation/devicetree/bindings/soc/mediatek/dvfsrc.txt b/Documentation/devicetree/bindings/soc/mediatek/dvfsrc.txt index da98ec9..80f09c0 100644 --- a/Documentation/devicetree/bindings/soc/mediatek/dvfsrc.txt +++ b/Documentation/devicetree/bindings/soc/mediatek/dvfsrc.txt @@ -17,6 +17,11 @@ Required Properties: The provider is able to communicate with the DVFSRC and send the dram bandwidth to it. shall contain only one of the following: "mediatek,mt8183-emi" +- regulator : The DVFSRC regulator is modelled as a subdevice of the DVFSRC. + Because DVFSRC can request power directly via register read/write, likes + vcore which is a core power of mt8183. As such, the DVFSRC regulator + requires that DVFSRC nodes be present. shall contain only one of the + following: "mediatek,mt8183-dvfsrc-regulator" Example: @@ -29,4 +34,13 @@ Example: compatible = "mediatek,mt8183-emi"; #interconnect-cells = <1>; }; + dvfsrc-regulator { + compatible = "mediatek,mt8183-dvfsrc-regulator"; + dvfsrc_vcore: dvfsrc-vcore { + regulator-name = "dvfsrc-vcore"; + regulator-min-microvolt = <725000>; + regulator-max-microvolt = <800000>; + regulator-always-on; + }; + }; };