From patchwork Thu Aug 13 07:07:55 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hector Yuan X-Patchwork-Id: 11711817 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 45946138C for ; Thu, 13 Aug 2020 07:08:45 +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 1DCE920716 for ; Thu, 13 Aug 2020 07:08:44 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="qfK9fonG"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=mediatek.com header.i=@mediatek.com header.b="hWJV6b1g" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 1DCE920716 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=merlin.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=kiAUpW2hoEUggv3QHZYlLOAzNzoqlMiGyWQIXKaMG44=; b=qfK9fonGnMz8h6Ryv0Quz18y1 l/mcZbC3UASsQyRBAZ8XUzHmY8iPb3RUvxsFGqbONmAYff+NL3VK+970DBVMyRFiQY6twiSZq0lKD 2SvStBalOngS4QIaR7/knEkrka8ayeCGAZjrz0eykc9lJiRj53KuWgAHb/GHJjtPpD6PZfGl1q2AY nLd2FAcPlKnvlcnRrBPfoIsApovMO2nUH9eHUUc6Yp7RjhTu8Z7m/WthNATaH9S95MMwree7rz9YC S5zWWmROJ7iKGqigB65nUyX9+RG+TlCG4QDnXHOEDCKjWMsBvpvzyeeNP1k+76nTtASVSawMykG5G LrrezeuhA==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1k67Lc-0008Lx-O4; Thu, 13 Aug 2020 07:08:24 +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 1k67LX-0008Jq-Rj; Thu, 13 Aug 2020 07:08:21 +0000 X-UUID: 4475cd7803074bada99b9933715d483a-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:References:In-Reply-To:Message-ID:Date:Subject:CC:To:From; bh=gpARQxC1AZt6f+ZHYA/7gHQMcpim6UyqrkhBThG0UAQ=; b=hWJV6b1gS6adA+EtRv9lihjkFwsozNnPVmym5sKNZ4xc0wjUpooNArL3T+HgDPy3g1qUI2BedmN3KbWUaGTmTV0U42VsUze0Q2nuPdC8CeE2odVsFvSuCno6gxeTJEA8ql0jkxTBPWM5uYfBq80TnmIUdFR7g5o4DWurAb4x55A=; X-UUID: 4475cd7803074bada99b9933715d483a-20200812 Received: from mtkcas66.mediatek.inc [(172.29.193.44)] by mailgw02.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLS) with ESMTP id 584316560; Wed, 12 Aug 2020 23:08:13 -0800 Received: from MTKMBS01N2.mediatek.inc (172.21.101.79) by MTKMBS62DR.mediatek.inc (172.29.94.18) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Thu, 13 Aug 2020 00:08:11 -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 15:08:08 +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 15:08:08 +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 v2 2/2] dt-bindings: cpufreq: add bindings for MediaTek cpufreq HW Date: Thu, 13 Aug 2020 15:07:55 +0800 Message-ID: <1597302475-15484-3-git-send-email-hector.yuan@mediatek.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1597302475-15484-1-git-send-email-hector.yuan@mediatek.com> References: <1597302475-15484-1-git-send-email-hector.yuan@mediatek.com> MIME-Version: 1.0 X-TM-SNTS-SMTP: 243C5C9360AE5E81DE14DCB92FF591F7A9CBD5026502A21E5CC2BB3E2FE2F9952000:8 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200813_030820_108720_67921E0A X-CRM114-Status: GOOD ( 16.26 ) X-Spam-Score: -0.2 (/) X-Spam-Report: SpamAssassin version 3.4.4 on merlin.infradead.org summary: Content analysis details: (-0.2 points) pts rule name description ---- ---------------------- -------------------------------------------------- 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record -0.0 SPF_PASS SPF: sender matches SPF record 0.0 MIME_BASE64_TEXT RAW: Message text disguised using base64 encoding -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain 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: hector.yuan@mediatek.com, linux-kernel@vger.kernel.org, wsd_upstream@mediatek.com Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org From: "Hector.Yuan" Add devicetree bindings for MediaTek HW driver. Signed-off-by: Hector.Yuan --- .../bindings/cpufreq/cpufreq-mediatek-hw.yaml | 61 ++++++++++++++++++++ 1 file changed, 61 insertions(+) create mode 100644 Documentation/devicetree/bindings/cpufreq/cpufreq-mediatek-hw.yaml diff --git a/Documentation/devicetree/bindings/cpufreq/cpufreq-mediatek-hw.yaml b/Documentation/devicetree/bindings/cpufreq/cpufreq-mediatek-hw.yaml new file mode 100644 index 0000000..59bb24e --- /dev/null +++ b/Documentation/devicetree/bindings/cpufreq/cpufreq-mediatek-hw.yaml @@ -0,0 +1,61 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/cpufreq/cpufreq-mediatek-hw.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: MediaTek's CPUFREQ Bindings + +maintainers: + - Hector Yuan + +description: + CPUFREQ HW is a hardware engine used by MediaTek + SoCs to manage frequency in hardware. It is capable of controlling frequency + for multiple clusters. + +properties: + compatible: + const: mediatek,cpufreq-hw + + reg: + minItems: 1 + maxItems: 2 + description: | + Addresses and sizes for the memory of the HW bases in each frequency domain. + + reg-names: + items: + - const: "freq-domain0" + - const: "freq-domain1" + description: | + Frequency domain name. + + "#freq-domain-cells": + const: 1 + description: | + Number of cells in a freqency domain specifier. + +required: + - compatible + - reg + - reg-names + - "#freq-domain-cells" + +additionalProperties: false + +examples: + - | + soc { + #address-cells = <2>; + #size-cells = <2>; + + cpufreq_hw: cpufreq@11bc00 { + compatible = "mediatek,cpufreq-hw"; + reg = <0 0x11bc10 0 0x8c>, + <0 0x11bca0 0 0x8c>; + reg-names = "freq-domain0", "freq-domain1"; + #freq-domain-cells = <1>; + }; + }; +