From patchwork Thu Jun 3 07:23:31 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Roger Lu X-Patchwork-Id: 12296439 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=-9.3 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY, UNWANTED_LANGUAGE_BODY,USER_AGENT_GIT autolearn=unavailable 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 BBC65C47082 for ; Thu, 3 Jun 2021 07:26:34 +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 8B55E61001 for ; Thu, 3 Jun 2021 07:26:34 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 8B55E61001 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: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=ubJYfpex9LlnP625GwN3W2QpBi50col7UNVk6MvdX3c=; b=UIZo31gcMyUq7X GpVmOIDZ1hLcIlPeGC0WvSKdy9lbN1HVuvT1iOkfgxP+bfpS5ayuTzLGBa8a6eOwNZ7kalgrDdQGK QLLCXb8te+FF4GuSh4RoJym/9lAz70esGdup7yxEw07TFeeGYUDbG/XcFB2LPCMDzxdhJ4L2RzCBg 9p4QBf8KF8IwRjOeZCxmD5XAlH8PRmlpL5gguJkgD5KXOfLCMEISP85N/z/e69JSBmbwuerS9ZzjC AQNs6O+y+pKNDUbL0PFC3ksuaedIw97EFZp8JrRn/tVC1T2MQNvHm+5R9OTNpJWppi2BFQ4DV7VlA 9ooIRumcibx+n3xGpxyw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1lohhr-007TpA-IN; Thu, 03 Jun 2021 07:23:55 +0000 Received: from mailgw02.mediatek.com ([216.200.240.185]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1lohhk-007Tli-MQ; Thu, 03 Jun 2021 07:23:51 +0000 X-UUID: 6652ada050fa4951948fa1a45e47973b-20210603 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:Message-ID:Date:Subject:CC:To:From; bh=67zZYpIJe6W3R6jMtxS5aiC0vwaImkbQptNOLjl3g34=; b=Pey+F8IGfOqpvKvt8yIQbDXDAs0zTsiHui20x5t4IiQrps/j11d+XkCuNU6fqyIlTzTitipaiJkDkb52p+2IHVOKBN9uvdLIPYv9D8mMl4mkBy3PHmA/7cuQOqxpX9fjgm1WW3xvc4wqMkh74P0MXPu49PhQ8PPANHZxOf3Kcl0=; X-UUID: 6652ada050fa4951948fa1a45e47973b-20210603 Received: from mtkcas66.mediatek.inc [(172.29.193.44)] by mailgw02.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLSv1.2 ECDHE-RSA-AES256-SHA384 256/256) with ESMTP id 1791133037; Thu, 03 Jun 2021 00:23:43 -0700 Received: from MTKMBS02N1.mediatek.inc (172.21.101.77) by MTKMBS62N2.mediatek.inc (172.29.193.42) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Thu, 3 Jun 2021 00:23:42 -0700 Received: from MTKCAS06.mediatek.inc (172.21.101.30) by mtkmbs02n1.mediatek.inc (172.21.101.77) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Thu, 3 Jun 2021 15:23:39 +0800 Received: from mtksdaap41.mediatek.inc (172.21.77.4) by MTKCAS06.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Thu, 3 Jun 2021 15:23:39 +0800 From: Roger Lu To: Matthias Brugger , Enric Balletbo Serra , Kevin Hilman , Rob Herring , Nicolas Boichat , Stephen Boyd , Philipp Zabel CC: Fan Chen , HenryC Chen , YT Lee , Xiaoqing Liu , Charles Yang , Angus Lin , Mark Rutland , Nishanth Menon , Roger Lu , , , , , , , Guenter Roeck Subject: [PATCH v18 0/7] soc: mediatek: SVS: introduce MTK SVS Date: Thu, 3 Jun 2021 15:23:31 +0800 Message-ID: <20210603072338.11244-1-roger.lu@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-20210603_002349_573666_F7E1FD62 X-CRM114-Status: GOOD ( 10.29 ) 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 1. SVS driver uses OPP adjust event in [1] to update OPP table voltage part. 2. SVS driver gets thermal/GPU device by node [2][3] and CPU device by get_cpu_device(). After retrieving subsys device, SVS driver calls device_link_add() to make sure probe/suspend callback priority. 3. SVS dts refers to reset controller [4] to help reset SVS HW. #mt8183 SVS related patches [1] https://patchwork.kernel.org/patch/11193513/ [2] https://patchwork.kernel.org/project/linux-mediatek/patch/20201013102358.22588-2-michael.kao@mediatek.com/ [3] https://patchwork.kernel.org/project/linux-mediatek/patch/20200306041345.259332-3-drinkcat@chromium.org/ #mt8192 SVS related patches [1] https://patchwork.kernel.org/patch/11193513/ [2] https://patchwork.kernel.org/project/linux-mediatek/patch/20201223074944.2061-1-michael.kao@mediatek.com/ [3] https://lore.kernel.org/patchwork/patch/1360551/ [4] https://patchwork.kernel.org/project/linux-mediatek/patch/20200817030324.5690-5-crystal.guo@mediatek.com/ changes since v17: - Rebase to Linux kernel 5.13-rc1 Roger Lu (7): [v18,1/7] dt-bindings: soc: mediatek: add mtk svs dt-bindings [v18,2/7] arm64: dts: mt8183: add svs device information [v18,3/7] soc: mediatek: SVS: introduce MTK SVS engine [v18,4/7] soc: mediatek: SVS: add debug commands [v18,5/7] dt-bindings: soc: mediatek: add mt8192 svs dt-bindings [v18,6/7] arm64: dts: mt8192: add svs device information [v18,7/7] soc: mediatek: SVS: add mt8192 SVS GPU driver .../bindings/soc/mediatek/mtk-svs.yaml | 92 + arch/arm64/boot/dts/mediatek/mt8183.dtsi | 15 + arch/arm64/boot/dts/mediatek/mt8192.dtsi | 34 + drivers/soc/mediatek/Kconfig | 10 + drivers/soc/mediatek/Makefile | 1 + drivers/soc/mediatek/mtk-svs.c | 2525 +++++++++++++++++ 6 files changed, 2677 insertions(+) create mode 100644 Documentation/devicetree/bindings/soc/mediatek/mtk-svs.yaml create mode 100644 drivers/soc/mediatek/mtk-svs.c