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,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 BBDA5C433DF for ; Thu, 13 Aug 2020 07:08:28 +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 8C8B720771 for ; Thu, 13 Aug 2020 07:08:28 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="bojk7nF0"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=mediatek.com header.i=@mediatek.com header.b="WQ7ZGLZc" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 8C8B720771 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+linux-mediatek=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=szc+gtS1V1IFfq9QiIoBvnoTZy19Rvp4lfvY6bmwceM=; b=bojk7nF04XhdvrnT2Wyq1wmLVx zXcyCZnnQ4zrQAZ+exBnfowyhsARSdpYBO0p2sQVwaEpkfOi6agbOCZlScTZGeLh2WozqC/CLTS3D a2oEbaV+TA5VxKqE49kwmnn95kB8VOV4DWZjd8vg6pYbbAa3lqdWYsfRUaRP2Y5zpcLMhcWxAQa3j 4oUoGWHnJf4RHszpYnXkioBpXL+VPEwOcbIsL2h5VHX4lISMMw+1Owr1fK5IrKUpw6iJTL3yahjKe eLH4QIxteG/NK60w1t3Hs3nTTEWm8hpPMfvOdBHki/JX4Mb2hcNivnJog3xULBMQCh2P+NoSvdImN G2Y/j75g==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1k67LW-0008KF-9B; Thu, 13 Aug 2020 07:08:18 +0000 Received: from mailgw01.mediatek.com ([216.200.240.184]) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1k67LT-0008JV-N2; Thu, 13 Aug 2020 07:08:17 +0000 X-UUID: 7a14ba5e74e4497ba1625d2f5741b0c6-20200812 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=Em+aZRblnSBBXfbIqqdD7o9UIm1k6YffKGxm9JLcp40=; b=WQ7ZGLZcpDggwk9df07zP5719XIcKJKsYNHR73AHcWXSGd6jN/Rm7FckY7vWHj6msO2HbuVb8wb2lG4T8sqHjWQcCCSKcen6OzpW16tGQehEqwssxzzdPxE88ucaWDlqYHXJj1yN8dBK3MC6Jn5IM6YVmdr9uiffSezB6Vn16DA=; X-UUID: 7a14ba5e74e4497ba1625d2f5741b0c6-20200812 Received: from mtkcas66.mediatek.inc [(172.29.193.44)] by mailgw01.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLS) with ESMTP id 1615700894; Wed, 12 Aug 2020 23:08:08 -0800 Received: from MTKMBS01N2.mediatek.inc (172.21.101.79) by MTKMBS62N1.mediatek.inc (172.29.193.41) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Thu, 13 Aug 2020 00:08:03 -0700 Received: from MTKCAS06.mediatek.inc (172.21.101.30) by mtkmbs01n2.mediatek.inc (172.21.101.79) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Thu, 13 Aug 2020 15:07:58 +0800 Received: from mtkswgap22.mediatek.inc (172.21.77.33) by MTKCAS06.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Thu, 13 Aug 2020 15:07:58 +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, 13 Aug 2020 15:07:53 +0800 Message-ID: <1597302475-15484-1-git-send-email-hector.yuan@mediatek.com> X-Mailer: git-send-email 1.7.9.5 MIME-Version: 1.0 X-TM-SNTS-SMTP: 22E7736455FFC7AFAC1005B33F5D3A93FDE664E47FE8A993C0634980A15532C92000:8 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200813_030815_923430_16744E4B X-CRM114-Status: GOOD ( 13.72 ) 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: hector.yuan@mediatek.com, linux-kernel@vger.kernel.org, wsd_upstream@mediatek.com Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=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 MT6779 DTS patch submitted by Hanks Chen https://lkml.org/lkml/2020/8/4/1094 Hector.Yuan (2): dt-bindings: cpufreq: add bindings for MediaTek cpufreq HW cpufreq: mediatek-hw: Add support for Mediatek cpufreq HW driver .../bindings/cpufreq/cpufreq-mediatek-hw.yaml | 61 +++++ arch/arm64/configs/defconfig | 1 + drivers/cpufreq/Kconfig.arm | 11 + drivers/cpufreq/Makefile | 1 + drivers/cpufreq/mediatek-cpufreq-hw.c | 255 ++++++++++++++++++++ 5 files changed, 329 insertions(+) create mode 100644 Documentation/devicetree/bindings/cpufreq/cpufreq-mediatek-hw.yaml create mode 100644 drivers/cpufreq/mediatek-cpufreq-hw.c _______________________________________________ Linux-mediatek mailing list Linux-mediatek@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-mediatek