From patchwork Mon Jan 20 15:45:44 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Heiko Stuebner X-Patchwork-Id: 3513501 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 6A68CC02DC for ; Mon, 20 Jan 2014 15:47:10 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 31B1C200F0 for ; Mon, 20 Jan 2014 15:47:09 +0000 (UTC) Received: from casper.infradead.org (casper.infradead.org [85.118.1.10]) (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 D3272200D0 for ; Mon, 20 Jan 2014 15:47:07 +0000 (UTC) Received: from merlin.infradead.org ([2001:4978:20e::2]) by casper.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1W5H3p-0008Fv-Ee; Mon, 20 Jan 2014 15:46:49 +0000 Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1W5H3d-00043F-QU; Mon, 20 Jan 2014 15:46:37 +0000 Received: from gloria.sntech.de ([95.129.55.99]) by merlin.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1W5H3a-00041S-DC for linux-arm-kernel@lists.infradead.org; Mon, 20 Jan 2014 15:46:35 +0000 Received: from ip545477c2.speed.planet.nl ([84.84.119.194] helo=phil.localnet) by gloria.sntech.de with esmtpsa (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.80) (envelope-from ) id 1W5H3E-0002Hp-Vz; Mon, 20 Jan 2014 16:46:13 +0100 From: Heiko =?ISO-8859-1?Q?St=FCbner?= To: "linux-arm-kernel@lists.infradead.org" Subject: [PATCH v7 6/7] ARM: rockchip: add power-management-unit Date: Mon, 20 Jan 2014 16:45:44 +0100 Message-ID: <4432410.A9WRey4k7t@phil> User-Agent: KMail/4.11.3 (Linux/3.11-2-amd64; KDE/4.11.3; x86_64; ; ) In-Reply-To: <4970034.fqvMoHdOyd@phil> References: <4970034.fqvMoHdOyd@phil> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20140120_104634_553516_42F0FFB8 X-CRM114-Status: UNSURE ( 9.14 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -2.5 (--) Cc: Mark Rutland , devicetree@vger.kernel.org, Pawel Moll , Stephen Warren , Greg Kroah-Hartman , Ian Campbell , linux-kernel@vger.kernel.org, arm@kernel.org, Philipp Zabel , Grant Likely X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-4.8 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, 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 The pmu is needed to bring up the cores during smp operations and later also other system parts. Therefore add a node and documentation for it. Signed-off-by: Heiko Stuebner Tested-by: Ulrich Prinz --- Documentation/devicetree/bindings/arm/rockchip/pmu.txt | 16 ++++++++++++++++ arch/arm/boot/dts/rk3xxx.dtsi | 5 +++++ 2 files changed, 21 insertions(+) create mode 100644 Documentation/devicetree/bindings/arm/rockchip/pmu.txt diff --git a/Documentation/devicetree/bindings/arm/rockchip/pmu.txt b/Documentation/devicetree/bindings/arm/rockchip/pmu.txt new file mode 100644 index 0000000..3ee9b42 --- /dev/null +++ b/Documentation/devicetree/bindings/arm/rockchip/pmu.txt @@ -0,0 +1,16 @@ +Rockchip power-management-unit: +------------------------------- + +The pmu is used to turn off and on different power domains of the SoCs +This includes the power to the CPU cores. + +Required node properties: +- compatible value : = "rockchip,rk3066-pmu"; +- reg : physical base address and the size of the registers window + +Example: + + pmu@20004000 { + compatible = "rockchip,rk3066-pmu"; + reg = <0x20004000 0x100>; + }; diff --git a/arch/arm/boot/dts/rk3xxx.dtsi b/arch/arm/boot/dts/rk3xxx.dtsi index 0a3d5b1..26e5a96 100644 --- a/arch/arm/boot/dts/rk3xxx.dtsi +++ b/arch/arm/boot/dts/rk3xxx.dtsi @@ -31,6 +31,11 @@ reg = <0x1013c000 0x100>; }; + pmu@20004000 { + compatible = "rockchip,rk3066-pmu"; + reg = <0x20004000 0x100>; + }; + gic: interrupt-controller@1013d000 { compatible = "arm,cortex-a9-gic"; interrupt-controller;