From patchwork Thu Jul 14 12:28:21 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tinghan Shen X-Patchwork-Id: 12917819 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 E05B2C433EF for ; Thu, 14 Jul 2022 12:31:27 +0000 (UTC) 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: 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: List-Owner; bh=v7FQbKLGNxmh3ClUDqIKn5+tlgprYA4pCZ00/0z8MgQ=; b=ZIZ9riltt2ju0Q R5BvOxJOAPSsUvqNisBkbe6nCkBOhdOqudvEWPi81txD+dxSMgjVzz43L2kb5ZbrVHjFN6Zsd+iFW c+p0Y3RviFEnL7bLOgnjE5zaTbPIGCE9N6UJyQz96EuNW0faUs2/lQZWA28J1Pexh7hkxtLpRwCQk 2N+zoyV5D/q9FRgOZixPEFJqJKP4xaveYt0YJ5nSpxzqzkSk2ON/xGr6u5u8G9o0AVVzsR36NdJ/T iqw2gbl1s8WdL7mOK9Wr4pCf71Luu+uuN7nxVFyBBXOQC+z7yZWzWWlDUXdj5mfUNSAFQQebNI89p fwoZLph2vHcWjbYfYiOQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1oBxyp-00EC71-No; Thu, 14 Jul 2022 12:30:08 +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 1oBxy1-00EBZB-KW; Thu, 14 Jul 2022 12:29:19 +0000 X-UUID: 42c381969499457586f5e742a70dedea-20220714 X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.8,REQID:0b223813-843c-4a31-89ae-784cabe61cc0,OB:0,LO B:0,IP:0,URL:25,TC:0,Content:0,EDM:0,RT:0,SF:0,FILE:0,RULE:Release_Ham,ACT ION:release,TS:25 X-CID-META: VersionHash:0f94e32,CLOUDID:165f4d64-0b3f-4b2c-b3a6-ed5c044366a0,C OID:IGNORED,Recheck:0,SF:nil,TC:nil,Content:0,EDM:-3,IP:nil,URL:1,File:nil ,QS:nil,BEC:nil,COL:0 X-UUID: 42c381969499457586f5e742a70dedea-20220714 Received: from mtkmbs11n1.mediatek.inc [(172.21.101.185)] by mailgw01.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256/256) with ESMTP id 370691826; Thu, 14 Jul 2022 05:29:12 -0700 Received: from mtkmbs11n1.mediatek.inc (172.21.101.185) by mtkmbs10n2.mediatek.inc (172.21.101.183) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.792.3; Thu, 14 Jul 2022 20:28:39 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkmbs11n1.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.792.3 via Frontend Transport; Thu, 14 Jul 2022 20:28:39 +0800 From: Tinghan Shen To: Yong Wu , Joerg Roedel , "Will Deacon" , Rob Herring , "Krzysztof Kozlowski" , Lee Jones , Matthias Brugger , "Tinghan Shen" , Chun-Jie Chen , AngeloGioacchino Del Regno , "MandyJH Liu" , Weiyi Lu CC: , , , , , Subject: [PATCH v2 03/19] dt-bindings: power: mediatek: Add bindings for MediaTek SCPSYS Date: Thu, 14 Jul 2022 20:28:21 +0800 Message-ID: <20220714122837.20094-4-tinghan.shen@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20220714122837.20094-1-tinghan.shen@mediatek.com> References: <20220714122837.20094-1-tinghan.shen@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-20220714_052917_695612_5B2D1ED3 X-CRM114-Status: GOOD ( 13.99 ) 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 The System Control Processor System (SCPSYS) has several power management related tasks in the system. Add the bindings for it. Signed-off-by: Tinghan Shen --- .../bindings/mfd/mediatek,scpsys.yaml | 62 +++++++++++++++++++ 1 file changed, 62 insertions(+) create mode 100644 Documentation/devicetree/bindings/mfd/mediatek,scpsys.yaml diff --git a/Documentation/devicetree/bindings/mfd/mediatek,scpsys.yaml b/Documentation/devicetree/bindings/mfd/mediatek,scpsys.yaml new file mode 100644 index 000000000000..a8b9220f2f27 --- /dev/null +++ b/Documentation/devicetree/bindings/mfd/mediatek,scpsys.yaml @@ -0,0 +1,62 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/mfd/mediatek,scpsys.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: MediaTek System Control Processor System + +maintainers: + - MandyJH Liu + +description: + MediaTek System Control Processor System (SCPSYS) has several + power management tasks. The tasks include MTCMOS power + domain control, thermal measurement, DVFS, etc. + +properties: + compatible: + items: + - const: mediatek,scpsys + - const: syscon + - const: simple-mfd + + reg: + maxItems: 1 + + power-controller: + $ref: /schemas/power/mediatek,power-controller.yaml# + +required: + - compatible + - reg + +additionalProperties: false + +examples: + - | + #include + #include + + syscon@10006000 { + compatible = "mediatek,scpsys", "syscon", "simple-mfd"; + reg = <0x10006000 0x100>; + + spm: power-controller { + compatible = "mediatek,mt8195-power-controller"; + #address-cells = <1>; + #size-cells = <0>; + #power-domain-cells = <1>; + + /* sample of power domain nodes */ + power-domain@MT8195_POWER_DOMAIN_PCIE_PHY { + reg = ; + #power-domain-cells = <0>; + }; + + power-domain@MT8195_POWER_DOMAIN_SSUSB_PCIE_PHY { + reg = ; + #power-domain-cells = <0>; + }; + }; + };