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=-7.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY,URIBL_BLOCKED,USER_AGENT_GIT autolearn=no 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 727DBC433E0 for ; Thu, 6 Aug 2020 12:30:33 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (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 4C7CA22CF7 for ; Thu, 6 Aug 2020 12:30:33 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="zdUMhqt/"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=mediatek.com header.i=@mediatek.com header.b="ck4YcDpq" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 4C7CA22CF7 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=merlin.20170209; h=Sender:Content-Transfer-Encoding: Content-Type:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:MIME-Version: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:In-Reply-To:References:List-Owner; bh=8OPHn+gcYq/fSRAHltkLMNPIJq/kU7vK3YIcKzisHzw=; b=zdUMhqt/cLiS6ITpZJxg1d0ZoZ LqxkqIChWurPQVlUASGKIQsYd7Fy8Tc1hZxwDbD5fYK77l5lLV14kVJNMPhf5nuEt16nAw2n6WHhu vjHdV4mkOWTAvJft2owt5pfCtNykYo/V1DBSJugYgtk6tHPIZrbKEORRTNLPgLjmSDnnfNqS4x8Xp kXglartDTWy8WHNtZE94QM3TC7IBU2iksf2SWnHmXqwE5ym8p+1ZkCxSAETb3vh04hhRFVIdBt3Se Z2zvO/z5nYnps3lxyQ0eeuGMpngh83rai6rTlZOi8ggfd2TvpgrIXk3GA1mQ/nGCgk06/ALkLXZ6Y opgomM/A==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1k3f19-0005yG-FT; Thu, 06 Aug 2020 12:29:07 +0000 Received: from mailgw02.mediatek.com ([216.200.240.185]) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1k3f13-0005vL-LZ; Thu, 06 Aug 2020 12:29:02 +0000 X-UUID: 885cd0e5966548fb8c9c7844771ed686-20200806 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=NLDH9FVoVAm+xVXhqQoVsL3Aq/8DfsNuSyGryiajX7w=; b=ck4YcDpqvn5BQM2RMB2BLpzz6XxGNXxDRIGXb6XvDhVEdXqlUx5SoGQe8dnh2KehQS3DDVH86z6B/D/UX6GynpIoEeS6zVNu7OG6LODOn9lbO5CVPNPUY0jQJ2b3HwRwfYnIX1QZmScz9Q/9+cPvnL+0fzIBBDnWgNPOU4k3Ohk=; X-UUID: 885cd0e5966548fb8c9c7844771ed686-20200806 Received: from mtkcas66.mediatek.inc [(172.29.193.44)] by mailgw02.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLS) with ESMTP id 241232176; Thu, 06 Aug 2020 04:28:46 -0800 Received: from mtkmbs07n1.mediatek.inc (172.21.101.16) by MTKMBS62N1.mediatek.inc (172.29.193.41) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Thu, 6 Aug 2020 05:18:42 -0700 Received: from mtkcas07.mediatek.inc (172.21.101.84) by mtkmbs07n1.mediatek.inc (172.21.101.16) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Thu, 6 Aug 2020 20:18:40 +0800 Received: from mtkswgap22.mediatek.inc (172.21.77.33) by mtkcas07.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Thu, 6 Aug 2020 20:18:41 +0800 From: Hector Yuan To: , , , , "Rafael J. Wysocki" , "Viresh Kumar" , Rob Herring , "Catalin Marinas" , Will Deacon , "Matthias Brugger" , Bjorn Andersson , Shawn Guo , Li Yang , Vinod Koul , Arnd Bergmann , Anson Huang , Geert Uytterhoeven , Olof Johansson Subject: [PATCH v1] cpufreq: mediatek-hw: Add support for Mediatek cpufreq HW driver Date: Thu, 6 Aug 2020 20:18:38 +0800 Message-ID: <1596716320-19811-1-git-send-email-hector.yuan@mediatek.com> X-Mailer: git-send-email 1.7.9.5 MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200806_082901_854338_2EE59829 X-CRM114-Status: GOOD ( 13.90 ) 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: hector.yuan@mediatek.com, wsd_upstream@mediatek.com 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 The CPUfreq HW present in some Mediatek chipsets offloads the steps necessary for changing the frequency of CPUs. The driver implements the cpufreq driver interface for this hardware engine. This patch depends on the MT6799 DTS patch submitted by Hanks Chen https://lkml.org/lkml/2020/8/4/1094 Hector.Yuan (2): cpufreq: mediatek-hw: Add support for Mediatek cpufreq dt-bindings: cpufreq: add MediaTek cpufreq bindings .../bindings/cpufreq/cpufreq-mediatek-hw.yaml | 56 +++++ arch/arm64/configs/defconfig | 1 + drivers/cpufreq/Kconfig.arm | 11 + drivers/cpufreq/Makefile | 1 + drivers/cpufreq/mediatek-cpufreq-hw.c | 255 ++++++++++++++++++++ 5 files changed, 324 insertions(+) create mode 100644 Documentation/devicetree/bindings/cpufreq/cpufreq-mediatek-hw.yaml create mode 100644 drivers/cpufreq/mediatek-cpufreq-hw.c _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel