From patchwork Mon May 11 13:11:19 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sascha Hauer X-Patchwork-Id: 6376661 Return-Path: X-Original-To: patchwork-linux-mediatek@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 2D74B9F32B for ; Mon, 11 May 2015 13:12:02 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 58181204A9 for ; Mon, 11 May 2015 13:12:01 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 12BAF2049D for ; Mon, 11 May 2015 13:12:00 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1YrnUz-0005mX-CN; Mon, 11 May 2015 13:11:57 +0000 Received: from metis.ext.pengutronix.de ([2001:6f8:1178:4:290:27ff:fe1d:cc33]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1YrnUu-0005Gb-W4 for linux-mediatek@lists.infradead.org; Mon, 11 May 2015 13:11:54 +0000 Received: from dude.hi.pengutronix.de ([2001:67c:670:100:1d::7]) by metis.ext.pengutronix.de with esmtps (TLS1.2:RSA_AES_128_CBC_SHA1:128) (Exim 4.80) (envelope-from ) id 1YrnUU-0002r1-68; Mon, 11 May 2015 15:11:26 +0200 Received: from sha by dude.hi.pengutronix.de with local (Exim 4.84) (envelope-from ) id 1YrnUT-0003PX-CZ; Mon, 11 May 2015 15:11:25 +0200 From: Sascha Hauer To: linux-arm-kernel@lists.infradead.org Subject: [PATCH 1/4] dt-bindings: soc: Add documentation for the MediaTek SCPSYS unit Date: Mon, 11 May 2015 15:11:19 +0200 Message-Id: <1431349882-12260-2-git-send-email-s.hauer@pengutronix.de> X-Mailer: git-send-email 2.1.4 In-Reply-To: <1431349882-12260-1-git-send-email-s.hauer@pengutronix.de> References: <1431349882-12260-1-git-send-email-s.hauer@pengutronix.de> X-SA-Exim-Connect-IP: 2001:67c:670:100:1d::7 X-SA-Exim-Mail-From: sha@pengutronix.de X-SA-Exim-Scanned: No (on metis.ext.pengutronix.de); SAEximRunCond expanded to false X-PTX-Original-Recipient: linux-mediatek@lists.infradead.org X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20150511_061153_275007_F68D3E3F X-CRM114-Status: GOOD ( 11.72 ) X-Spam-Score: -0.0 (/) Cc: devicetree@vger.kernel.org, Kevin Hilman , Sascha Hauer , linux-kernel@vger.kernel.org, linux-mediatek@lists.infradead.org, kernel@pengutronix.de, Matthias Brugger X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+patchwork-linux-mediatek=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-4.2 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, T_RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP This adds documentation for the MediaTek SCPSYS unit found in MT8173 SoCs. Signed-off-by: Sascha Hauer --- .../devicetree/bindings/soc/mediatek/scpsys.txt | 32 ++++++++++++++++++++++ 1 file changed, 32 insertions(+) create mode 100644 Documentation/devicetree/bindings/soc/mediatek/scpsys.txt diff --git a/Documentation/devicetree/bindings/soc/mediatek/scpsys.txt b/Documentation/devicetree/bindings/soc/mediatek/scpsys.txt new file mode 100644 index 0000000..4764a03 --- /dev/null +++ b/Documentation/devicetree/bindings/soc/mediatek/scpsys.txt @@ -0,0 +1,32 @@ +MediaTek SCPSYS +=============== + +The System Control Processor System (SCPSYS) has several power management +related tasks in the system. The tasks include thermal measurement, dynamic +voltage frequency scaling (DVFS), interrupt filter and lowlevel sleep control. +The System Power Manager (SPM) inside the SCPSYS is for the MTCMOS power +domain control. + +The driver implements the Generic PM domain bindings described in +power/power_domain.txt. It provides the power domains defined in +include/dt-bindings/power/mt8173-power.h. + +Required properties: +- compatible: Must be "mediatek,mt8173-scpsys" +- #power-domain-cells: Must be 1 +- reg: Address range of the SCPSYS unit + +Example: + + scpsys: scpsys@10006000 { + #power-domain-cells = <1>; + compatible = "mediatek,mt8173-scpsys"; + reg = <0 0x10006000 0 0x1000>; + }; + +Example consumer: + + afe: mt8173-afe-pcm@11220000 { + compatible = "mediatek,mt8173-afe-pcm"; + power-domains = <&scpsys MT8173_POWER_DOMAIN_AUDIO>; + };