From patchwork Sun Nov 17 23:06:03 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Gerhard Sittig X-Patchwork-Id: 3195011 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 9FBC49F3A0 for ; Sun, 17 Nov 2013 23:09:53 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id B3D6E206AF for ; Sun, 17 Nov 2013 23:09:52 +0000 (UTC) Received: from casper.infradead.org (casper.infradead.org [85.118.1.10]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id AEF3E206AA for ; Sun, 17 Nov 2013 23:09:51 +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 1ViBS5-0007e2-CI; 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Mon, 18 Nov 2013 00:07:12 +0100 (CET) From: Gerhard Sittig To: linuxppc-dev@lists.ozlabs.org, linux-arm-kernel@lists.infradead.org, Anatolij Gustschin , Mike Turquette Subject: [PATCH v5 03/17] dts: mpc512x: add clock related device tree specs Date: Mon, 18 Nov 2013 00:06:03 +0100 Message-Id: <1384729577-7336-4-git-send-email-gsi@denx.de> X-Mailer: git-send-email 1.7.10.4 In-Reply-To: <1384729577-7336-1-git-send-email-gsi@denx.de> References: <1384729577-7336-1-git-send-email-gsi@denx.de> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20131117_180737_318756_8B18642F X-CRM114-Status: GOOD ( 10.23 ) X-Spam-Score: -1.9 (-) Cc: Mark Rutland , devicetree@vger.kernel.org, Detlev Zundel , Pawel Moll , Stephen Warren , Gerhard Sittig , Rob Herring , Scott Wood , Ian Campbell 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: , MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-4.7 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 this addresses the clock driver aka provider's side of clocks - introduce a 'clocks' subtree with an 'osc' node for the crystal or oscillator SoC input (fixed frequency) - the 'clock@f00' clock-control-module node references the 'osc' for its input, and is another provider for all the clocks which the CCM component manages - prepare for future references to clocks from peripheral nodes by means of the <&clks ID> syntax and symbolic ID names which a header file provides - provide default values with 33MHz oscillator frequency in the common include (the 66MHz IPS bus already was there), and add override values for the ifm AC14xx board which deviates from the reference design (25MHz xtal, 80MHz IPS bus) Cc: Rob Herring Cc: Pawel Moll Cc: Mark Rutland Cc: Stephen Warren Cc: Ian Campbell Cc: linux-arm-kernel@lists.infradead.org Cc: devicetree@vger.kernel.org Reviewed-by: Mike Turquette # for v3, before &osc Signed-off-by: Gerhard Sittig --- arch/powerpc/boot/dts/ac14xx.dts | 7 +++++++ arch/powerpc/boot/dts/mpc5121.dtsi | 18 +++++++++++++++++- 2 files changed, 24 insertions(+), 1 deletion(-) diff --git a/arch/powerpc/boot/dts/ac14xx.dts b/arch/powerpc/boot/dts/ac14xx.dts index a543c4088cba..a1b883730b31 100644 --- a/arch/powerpc/boot/dts/ac14xx.dts +++ b/arch/powerpc/boot/dts/ac14xx.dts @@ -139,7 +139,14 @@ }; }; + clocks { + osc { + clock-frequency = <25000000>; + }; + }; + soc@80000000 { + bus-frequency = <80000000>; /* 80 MHz ips bus */ clock@f00 { compatible = "fsl,mpc5121rev2-clock", "fsl,mpc5121-clock"; diff --git a/arch/powerpc/boot/dts/mpc5121.dtsi b/arch/powerpc/boot/dts/mpc5121.dtsi index bd14c00e5146..9bfcb7558197 100644 --- a/arch/powerpc/boot/dts/mpc5121.dtsi +++ b/arch/powerpc/boot/dts/mpc5121.dtsi @@ -9,6 +9,8 @@ * option) any later version. */ +#include + /dts-v1/; / { @@ -73,6 +75,17 @@ ranges = <0x0 0x0 0xfc000000 0x04000000>; }; + clocks { + #address-cells = <1>; + #size-cells = <0>; + + osc: osc { + compatible = "fixed-clock"; + #clock-cells = <0>; + clock-frequency = <33000000>; + }; + }; + soc@80000000 { compatible = "fsl,mpc5121-immr"; #address-cells = <1>; @@ -118,9 +131,12 @@ }; /* Clock control */ - clock@f00 { + clks: clock@f00 { compatible = "fsl,mpc5121-clock"; reg = <0xf00 0x100>; + #clock-cells = <1>; + clocks = <&osc>; + clock-names = "osc"; }; /* Power Management Controller */