From patchwork Fri Mar 7 16:00:39 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Wolfram Sang X-Patchwork-Id: 3793041 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 9F96FBF540 for ; Fri, 7 Mar 2014 16:24:47 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id AA294202E5 for ; Fri, 7 Mar 2014 16:24:46 +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 987C02013D for ; Fri, 7 Mar 2014 16:24:45 +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 1WLxFX-0005hZ-Uw; Fri, 07 Mar 2014 16:03:53 +0000 Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1WLxEs-0005Oz-0T; Fri, 07 Mar 2014 16:03:10 +0000 Received: from sauhun.de ([89.238.76.85] helo=pokefinder.org) by merlin.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1WLxDc-0005FZ-Ki for linux-arm-kernel@lists.infradead.org; Fri, 07 Mar 2014 16:02:01 +0000 Received: from p4fe24cba.dip0.t-ipconnect.de ([79.226.76.186]:60698 helo=localhost) by pokefinder.org with esmtpsa (TLS1.0:DHE_RSA_AES_128_CBC_SHA1:16) (Exim 4.69) (envelope-from ) id 1WLxDF-0007HE-FZ; Fri, 07 Mar 2014 17:01:29 +0100 From: Wolfram Sang To: linux-sh@vger.kernel.org Subject: [PATCH V3 03/12] ARM: shmobile: r7s72100: add essential clock nodes to dtsi Date: Fri, 7 Mar 2014 17:00:39 +0100 Message-Id: <1394208048-32495-4-git-send-email-wsa@the-dreams.de> X-Mailer: git-send-email 1.9.0 In-Reply-To: <1394208048-32495-1-git-send-email-wsa@the-dreams.de> References: <1394208048-32495-1-git-send-email-wsa@the-dreams.de> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20140307_110153_396811_7908B100 X-CRM114-Status: GOOD ( 14.41 ) X-Spam-Score: -1.9 (-) Cc: Mike Turquette , Wolfram Sang , Magnus Damm , Wolfram Sang , Simon Horman , Laurent Pinchart , linux-arm-kernel@lists.infradead.org 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=-4.2 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 From: Wolfram Sang Only essential clocks are added for now. Other clocks will be added when needed. Signed-off-by: Wolfram Sang --- Change since V2: * Use macro to reference the PLL Changes since V1: * add usb_x1 clock * reference usb_x1 to cpg * improved wording * #clock-cells consistently first property arch/arm/boot/dts/r7s72100.dtsi | 86 +++++++++++++++++++++++++++++- include/dt-bindings/clock/r7s72100-clock.h | 27 ++++++++++ 2 files changed, 112 insertions(+), 1 deletion(-) create mode 100644 include/dt-bindings/clock/r7s72100-clock.h diff --git a/arch/arm/boot/dts/r7s72100.dtsi b/arch/arm/boot/dts/r7s72100.dtsi index ee700717a34b..6af5c28c670e 100644 --- a/arch/arm/boot/dts/r7s72100.dtsi +++ b/arch/arm/boot/dts/r7s72100.dtsi @@ -1,13 +1,15 @@ /* * Device Tree Source for the r7s72100 SoC * - * Copyright (C) 2013 Renesas Solutions Corp. + * Copyright (C) 2013-14 Renesas Solutions Corp. + * Copyright (C) 2014 Wolfram Sang, Sang Engineering * * This file is licensed under the terms of the GNU General Public License * version 2. This program is licensed "as is" without any warranty of any * kind, whether express or implied. */ +#include #include / { @@ -28,6 +30,88 @@ spi4 = &spi4; }; + clocks { + ranges; + #address-cells = <1>; + #size-cells = <1>; + + /* External clocks */ + extal_clk: extal_clk { + #clock-cells = <0>; + compatible = "fixed-clock"; + /* If clk present, value must be set by board */ + clock-frequency = <0>; + clock-output-names = "extal"; + }; + + usb_x1_clk: usb_x1_clk { + #clock-cells = <0>; + compatible = "fixed-clock"; + /* If clk present, value must be set by board */ + clock-frequency = <0>; + clock-output-names = "usb_x1"; + }; + + /* Special CPG clocks */ + cpg_clocks: cpg_clocks@fcfe0000 { + #clock-cells = <1>; + compatible = "renesas,r7s72100-cpg-clocks", + "renesas,rz-cpg-clocks"; + reg = <0xfcfe0000 0x18>; + clocks = <&extal_clk>, <&usb_x1_clk>; + clock-output-names = "pll", "i", "g"; + }; + + /* Fixed factor clocks */ + b_clk: b_clk { + #clock-cells = <0>; + compatible = "fixed-factor-clock"; + clocks = <&cpg_clocks R7S72100_CLK_PLL>; + clock-mult = <1>; + clock-div = <3>; + clock-output-names = "b"; + }; + p1_clk: p1_clk { + #clock-cells = <0>; + compatible = "fixed-factor-clock"; + clocks = <&cpg_clocks R7S72100_CLK_PLL>; + clock-mult = <1>; + clock-div = <6>; + clock-output-names = "p1"; + }; + p0_clk: p0_clk { + #clock-cells = <0>; + compatible = "fixed-factor-clock"; + clocks = <&cpg_clocks R7S72100_CLK_PLL>; + clock-mult = <1>; + clock-div = <12>; + clock-output-names = "p0"; + }; + + /* MSTP clocks */ + mstp3_clks: mstp3_clks@fcfe0420 { + #clock-cells = <1>; + compatible = "renesas,r7s72100-mstp-clocks", "renesas,cpg-mstp-clocks"; + reg = <0xfcfe0420 4>; + clocks = <&p0_clk>; + renesas,clock-indices = ; + clock-output-names = "mtu2"; + }; + + mstp4_clks: mstp4_clks@fcfe0424 { + #clock-cells = <1>; + compatible = "renesas,r7s72100-mstp-clocks", "renesas,cpg-mstp-clocks"; + reg = <0xfcfe0424 4>; + clocks = <&p1_clk>, <&p1_clk>, <&p1_clk>, <&p1_clk>, + <&p1_clk>, <&p1_clk>, <&p1_clk>, <&p1_clk>; + renesas,clock-indices = < + R7S72100_CLK_SCIF0 R7S72100_CLK_SCIF1 R7S72100_CLK_SCIF2 R7S72100_CLK_SCIF3 + R7S72100_CLK_SCIF4 R7S72100_CLK_SCIF5 R7S72100_CLK_SCIF6 R7S72100_CLK_SCIF7 + >; + clock-output-names = "scif0", "scif1", "scif2", "scif3", "scif4", "scif5", "scif6", "scif7"; + }; + }; + cpus { #address-cells = <1>; #size-cells = <0>; diff --git a/include/dt-bindings/clock/r7s72100-clock.h b/include/dt-bindings/clock/r7s72100-clock.h new file mode 100644 index 000000000000..d0e2d91025c2 --- /dev/null +++ b/include/dt-bindings/clock/r7s72100-clock.h @@ -0,0 +1,27 @@ +/* + * Copyright (C) 2014 Wolfram Sang, Sang Engineering + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + */ + +#ifndef __DT_BINDINGS_CLOCK_R7S72100_H__ +#define __DT_BINDINGS_CLOCK_R7S72100_H__ + +#define R7S72100_CLK_PLL 0 + +/* MSTP3 */ +#define R7S72100_CLK_MTU2 3 + +/* MSTP4 */ +#define R7S72100_CLK_SCIF0 7 +#define R7S72100_CLK_SCIF1 6 +#define R7S72100_CLK_SCIF2 5 +#define R7S72100_CLK_SCIF3 4 +#define R7S72100_CLK_SCIF4 3 +#define R7S72100_CLK_SCIF5 2 +#define R7S72100_CLK_SCIF6 1 +#define R7S72100_CLK_SCIF7 0 + +#endif /* __DT_BINDINGS_CLOCK_R7S72100_H__ */