From patchwork Wed Aug 28 12:28:39 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Henry Chen X-Patchwork-Id: 11118879 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 5DAC914D5 for ; Wed, 28 Aug 2019 12:32:16 +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 3C6E522CED for ; Wed, 28 Aug 2019 12:32:16 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="fnxT4aAy" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 3C6E522CED 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+patchwork-linux-arm=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=V8o/fNgOMxmWcQUsipSGpvUmJY5tKadxTyF/693V1uE=; b=fnxT4aAy25oIMu FV8xCh0HZC1A4rCBQycbqnj0UaAHn075vLvGCepZhkckGA9vwvUHP9vdZTS7GML1NoPr9V9FPvxsl ljNctNx3i14C1pUpRc6FU8n8Gz/bxPPdJF/MqT2LZ8ara27zh0w325f947UKWAc3Jkp7cZjtZL4nO n1hCLtG/iVLnl1/F4MoyQnc8UR7XLBVN/ItFd86AxD6o81ahkq/1l1GyjmMLBmONNhi7S7Ya2DcLv zQwKe/SPwW8svqUfEk6fHf03O7Fj9yZL/h/wgYXHW1D7Lin2gF46qh9xdbbcZ39n9WeKsWOdRKq7R mmKEyarlz/jXmUc+UD7w==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92 #3 (Red Hat Linux)) id 1i2x7X-00065v-Dl; Wed, 28 Aug 2019 12:32:15 +0000 Received: from mailgw02.mediatek.com ([216.200.240.185]) by bombadil.infradead.org with esmtps (Exim 4.92 #3 (Red Hat Linux)) id 1i2x4Z-0002YK-5x; Wed, 28 Aug 2019 12:29:13 +0000 X-UUID: 1267c1b5bdfd4c2bbcc6f79c667e96a3-20190828 X-UUID: 1267c1b5bdfd4c2bbcc6f79c667e96a3-20190828 Received: from mtkcas68.mediatek.inc [(172.29.94.19)] by mailgw02.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLS) with ESMTP id 1864205421; Wed, 28 Aug 2019 04:29:14 -0800 Received: from MTKMBS02N2.mediatek.inc (172.21.101.101) by MTKMBS62N1.mediatek.inc (172.29.193.41) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Wed, 28 Aug 2019 05:29:12 -0700 Received: from mtkcas09.mediatek.inc (172.21.101.178) by mtkmbs02n2.mediatek.inc (172.21.101.101) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Wed, 28 Aug 2019 20:28:58 +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; Wed, 28 Aug 2019 20:28:58 +0800 From: Henry Chen To: Georgi Djakov , Rob Herring , Matthias Brugger , Viresh Kumar , Stephen Boyd , Ryan Case Subject: [PATCH V3 01/10] dt-bindings: soc: Add dvfsrc driver bindings Date: Wed, 28 Aug 2019 20:28:39 +0800 Message-ID: <1566995328-15158-2-git-send-email-henryc.chen@mediatek.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1566995328-15158-1-git-send-email-henryc.chen@mediatek.com> References: <1566995328-15158-1-git-send-email-henryc.chen@mediatek.com> MIME-Version: 1.0 X-TM-SNTS-SMTP: CF3A34B4D063169E343111FEB98CA30B30220EC69624C0C120117E849B0F196C2000:8 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190828_052911_403037_6E12910D X-CRM114-Status: GOOD ( 12.71 ) X-Spam-Score: 0.0 (/) X-Spam-Report: SpamAssassin version 3.4.2 on bombadil.infradead.org summary: Content analysis details: (0.0 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 SPF_PASS SPF: sender matches SPF record 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record 0.0 UNPARSEABLE_RELAY Informational: message has unparseable relay lines X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: James Liao , Weiyi Lu , Nicolas Boichat , linux-kernel@vger.kernel.org, Henry Chen , Fan Chen , devicetree@vger.kernel.org, linux-mediatek@lists.infradead.org, linux-arm-kernel@lists.infradead.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org Document the binding for enabling dvfsrc on MediaTek SoC. Signed-off-by: Henry Chen --- .../devicetree/bindings/soc/mediatek/dvfsrc.txt | 23 ++++++++++++++++++++++ include/dt-bindings/soc/mtk,dvfsrc.h | 14 +++++++++++++ 2 files changed, 37 insertions(+) create mode 100644 Documentation/devicetree/bindings/soc/mediatek/dvfsrc.txt create mode 100644 include/dt-bindings/soc/mtk,dvfsrc.h diff --git a/Documentation/devicetree/bindings/soc/mediatek/dvfsrc.txt b/Documentation/devicetree/bindings/soc/mediatek/dvfsrc.txt new file mode 100644 index 0000000..7f43499 --- /dev/null +++ b/Documentation/devicetree/bindings/soc/mediatek/dvfsrc.txt @@ -0,0 +1,23 @@ +MediaTek DVFSRC + +The Dynamic Voltage and Frequency Scaling Resource Collector (DVFSRC) is a +HW module which is used to collect all the requests from both software and +hardware and turn into the decision of minimum operating voltage and minimum +DRAM frequency to fulfill those requests. + +Required Properties: +- compatible: Should be one of the following + - "mediatek,mt8183-dvfsrc": For MT8183 SoC +- reg: Address range of the DVFSRC unit +- clock-names: Must include the following entries: + "dvfsrc": DVFSRC module clock +- clocks: Must contain an entry for each entry in clock-names. + +Example: + + dvfsrc@10012000 { + compatible = "mediatek,mt8183-dvfsrc"; + reg = <0 0x10012000 0 0x1000>; + clocks = <&infracfg CLK_INFRA_DVFSRC>; + clock-names = "dvfsrc"; + }; diff --git a/include/dt-bindings/soc/mtk,dvfsrc.h b/include/dt-bindings/soc/mtk,dvfsrc.h new file mode 100644 index 0000000..a522488 --- /dev/null +++ b/include/dt-bindings/soc/mtk,dvfsrc.h @@ -0,0 +1,14 @@ +/* SPDX-License-Identifier: GPL-2.0 + * + * Copyright (c) 2018 MediaTek Inc. + */ + +#ifndef _DT_BINDINGS_POWER_MTK_DVFSRC_H +#define _DT_BINDINGS_POWER_MTK_DVFSRC_H + +#define MT8183_DVFSRC_LEVEL_1 1 +#define MT8183_DVFSRC_LEVEL_2 2 +#define MT8183_DVFSRC_LEVEL_3 3 +#define MT8183_DVFSRC_LEVEL_4 4 + +#endif /* _DT_BINDINGS_POWER_MTK_DVFSRC_H */