From patchwork Fri Feb 28 21:09:25 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Wolfram Sang X-Patchwork-Id: 3744321 Return-Path: X-Original-To: patchwork-linux-sh@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 744989F35F for ; Fri, 28 Feb 2014 21:09:52 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 8ADE820259 for ; Fri, 28 Feb 2014 21:09:51 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 9277120260 for ; Fri, 28 Feb 2014 21:09:50 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752640AbaB1VJq (ORCPT ); Fri, 28 Feb 2014 16:09:46 -0500 Received: from sauhun.de ([89.238.76.85]:38258 "EHLO pokefinder.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751711AbaB1VJn (ORCPT ); Fri, 28 Feb 2014 16:09:43 -0500 Received: from 77-21-28-237-dynip.superkabel.de ([77.21.28.237]:35092 helo=localhost) by pokefinder.org with esmtpsa (TLS1.0:DHE_RSA_AES_128_CBC_SHA1:16) (Exim 4.69) (envelope-from ) id 1WJUge-0002vL-R2; Fri, 28 Feb 2014 22:09:41 +0100 From: Wolfram Sang To: linux-sh@vger.kernel.org Cc: linux-arm-kernel@lists.infradead.org, Magnus Damm , Laurent Pinchart , Simon Horman , Mike Turquette , Wolfram Sang Subject: [PATCH 1/4] ARM: r7s72100: add clock nodes to dtsi Date: Fri, 28 Feb 2014 22:09:25 +0100 Message-Id: <1393621768-12568-2-git-send-email-wsa@the-dreams.de> X-Mailer: git-send-email 1.8.5.1 In-Reply-To: <1393621768-12568-1-git-send-email-wsa@the-dreams.de> References: <1393621768-12568-1-git-send-email-wsa@the-dreams.de> Sender: linux-sh-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-sh@vger.kernel.org X-Spam-Status: No, score=-6.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=ham 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 --- arch/arm/boot/dts/r7s72100.dtsi | 78 +++++++++++++++++++++++++++++- include/dt-bindings/clock/r7s72100-clock.h | 25 ++++++++++ 2 files changed, 102 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 ee70071..f6d4b5d 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 +30,80 @@ spi4 = &spi4; }; + clocks { + ranges; + #address-cells = <1>; + #size-cells = <1>; + + /* External root clock */ + extal_clk: extal_clk { + #clock-cells = <0>; + compatible = "fixed-clock"; + /* This value must be overriden by the board. */ + clock-frequency = <0>; + clock-output-names = "extal"; + }; + + /* 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>; + clock-output-names = "pll", "i", "g"; + }; + + /* Fixed factor clocks */ + b_clk: b_clk { + #clock-cells = <0>; + compatible = "fixed-factor-clock"; + clocks = <&cpg_clocks 0>; + clock-mult = <1>; + clock-div = <3>; + clock-output-names = "b"; + }; + p1_clk: p1_clk { + #clock-cells = <0>; + compatible = "fixed-factor-clock"; + clocks = <&cpg_clocks 0>; + clock-mult = <1>; + clock-div = <6>; + clock-output-names = "p1"; + }; + p0_clk: p0_clk { + #clock-cells = <0>; + compatible = "fixed-factor-clock"; + clocks = <&cpg_clocks 0>; + clock-mult = <1>; + clock-div = <12>; + clock-output-names = "p0"; + }; + + /* MSTP clocks */ + mstp3_clks: mstp3_clks@fcfe0420 { + compatible = "renesas,r7s72100-mstp-clocks", "renesas,cpg-mstp-clocks"; + reg = <0xfcfe0420 4>; + clocks = <&p0_clk>; + #clock-cells = <1>; + renesas,clock-indices = ; + clock-output-names = "mtu2"; + }; + + mstp4_clks: mstp4_clks@fcfe0424 { + 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>; + #clock-cells = <1>; + 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 0000000..eced0a8 --- /dev/null +++ b/include/dt-bindings/clock/r7s72100-clock.h @@ -0,0 +1,25 @@ +/* + * 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__ + +/* 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__ */