From patchwork Tue Apr 22 13:19:10 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ulrich Hecht X-Patchwork-Id: 4031891 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 E48F59F391 for ; Tue, 22 Apr 2014 13:20:30 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id A75F6201EF for ; Tue, 22 Apr 2014 13:20:29 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 4A376201ED for ; Tue, 22 Apr 2014 13:20:28 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756130AbaDVNT6 (ORCPT ); Tue, 22 Apr 2014 09:19:58 -0400 Received: from mail-we0-f180.google.com ([74.125.82.180]:40506 "EHLO mail-we0-f180.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755320AbaDVNTt (ORCPT ); Tue, 22 Apr 2014 09:19:49 -0400 Received: by mail-we0-f180.google.com with SMTP id k48so1810653wev.39 for ; Tue, 22 Apr 2014 06:19:47 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=T+s1WOtc3B1z7S6AvtllCqfvgkdMLhL/g5k2DMKzdLU=; b=jcZKdIs0nqtvcNR1bxI5cuVuSdWDsDQY2MuaRG/oWVecP6KXY77VYhWnwNMJzJnqDL KByi8LzhosmAdJUwZism0JZlL3e5ehaDBv0OYKrwW0GY7LKbzr1Rzf697czpPqUJQOfA yoy+20veCTZdmaYPXWpeSf1VmZRhDoaJCe16/HYLwU0XdEmJ4Jl0JKJCjZwNs3mnqgfM a2/512rLiQZg9Fx6hOBUewOFoc2nVENC/xzUmXQaOIXEedA7sdnORq6OHV5T0ZnD5lwI bGObi4pNTBwVODDBlM6vhSvKfTRyLkmIntYnCTTKpP2/2qS9baazgZO/JEW7dQ8yMT5i kgnQ== X-Received: by 10.194.189.116 with SMTP id gh20mr11106224wjc.41.1398172787126; Tue, 22 Apr 2014 06:19:47 -0700 (PDT) Received: from groucho.site ([109.201.154.204]) by mx.google.com with ESMTPSA id y20sm22579180wiv.14.2014.04.22.06.19.45 for (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 22 Apr 2014 06:19:46 -0700 (PDT) X-Google-Original-From: Ulrich Hecht From: Ulrich Hecht To: linux-sh@vger.kernel.org, laurent.pinchart@ideasonboard.com, horms@verge.net.au Cc: magnus.damm@gmail.com, Ulrich Hecht , Ulrich Hecht Subject: [PATCH 2/4] ARM: shmobile: r8a7740: Add clocks to DTS Date: Tue, 22 Apr 2014 15:19:10 +0200 Message-Id: <1398172752-30567-3-git-send-email-ulrich.hecht+renesas@gmail.com> X-Mailer: git-send-email 1.8.4.5 In-Reply-To: <1398172752-30567-1-git-send-email-ulrich.hecht+renesas@gmail.com> References: <1398172752-30567-1-git-send-email-ulrich.hecht+renesas@gmail.com> Sender: linux-sh-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-sh@vger.kernel.org X-Spam-Status: No, score=-7.4 required=5.0 tests=BAYES_00, DKIM_ADSP_CUSTOM_MED, DKIM_SIGNED, FREEMAIL_FROM, RCVD_IN_DNSWL_HI, RP_MATCHES_RCVD, T_DKIM_INVALID, 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: Ulrich Hecht Declares all r8a7740 clocks supported by the legacy clock framework as well as the Armadillo800-specific overrides. Signed-off-by: Ulrich Hecht --- .../bindings/clock/renesas,r8a7740-cpg-clocks.txt | 39 ++++ .../boot/dts/r8a7740-armadillo800eva-reference.dts | 13 ++ arch/arm/boot/dts/r8a7740.dtsi | 229 +++++++++++++++++++++ include/dt-bindings/clock/r8a7740-clock.h | 77 +++++++ 4 files changed, 358 insertions(+) create mode 100644 Documentation/devicetree/bindings/clock/renesas,r8a7740-cpg-clocks.txt create mode 100644 include/dt-bindings/clock/r8a7740-clock.h diff --git a/Documentation/devicetree/bindings/clock/renesas,r8a7740-cpg-clocks.txt b/Documentation/devicetree/bindings/clock/renesas,r8a7740-cpg-clocks.txt new file mode 100644 index 0000000..c009d13 --- /dev/null +++ b/Documentation/devicetree/bindings/clock/renesas,r8a7740-cpg-clocks.txt @@ -0,0 +1,39 @@ +* Renesas R8A7740 Clock Pulse Generator (CPG) + +The CPG generates core clocks for the R8A7740 SoC. It includes three PLLs +and several fixed ratio and variable ratio dividers. + +Required Properties: + + - compatible: Must be "renesas,r8a7740-cpg-clocks" + + - reg: Base address and length of the memory resource used by the CPG + + - clocks: Reference to the two parent clocks + - #clock-cells: Must be 1 + - clock-output-names: The names of the clocks. Supported clocks are + "system", "pllc0", "pllc1", "pllc2", "r", "usb24s", "i", "zg", "b", + "m1", "hp", "hpp", "usbp", "s", "zb", "m3", and "cp". + + - renesas,mode: board-specific settings of the MD_CK* bits + + +Example +------- + +cpg_clocks: cpg_clocks@e6150000 { + compatible = "renesas,r8a7740-cpg-clocks"; + reg = <0xe6150000 0x10000>; + clocks = <&extal1_clk>, <&extalr_clk>; + #clock-cells = <1>; + clock-output-names = "system", "pllc0", "pllc1", + "pllc2", "r", + "usb24s", + "i", "zg", "b", "m1", "hp", + "hpp", "usbp", "s", "zb", "m3", + "cp"; +}; + +&cpg_clocks { + renesas,mode = <0x05>; +}; diff --git a/arch/arm/boot/dts/r8a7740-armadillo800eva-reference.dts b/arch/arm/boot/dts/r8a7740-armadillo800eva-reference.dts index 10344e6..6728ba3f 100644 --- a/arch/arm/boot/dts/r8a7740-armadillo800eva-reference.dts +++ b/arch/arm/boot/dts/r8a7740-armadillo800eva-reference.dts @@ -158,6 +158,19 @@ }; }; +&extal1_clk { + clock-frequency = <25000000>; +}; +&extal2_clk { + clock-frequency = <48000000>; +}; +&fsibck_clk { + clock-frequency = <12288000>; +}; +&cpg_clocks { + renesas,mode = <0x05>; /* MD_CK0 | MD_CK2 */ +}; + &i2c0 { status = "okay"; touchscreen@55 { diff --git a/arch/arm/boot/dts/r8a7740.dtsi b/arch/arm/boot/dts/r8a7740.dtsi index 3834b94..3605031 100644 --- a/arch/arm/boot/dts/r8a7740.dtsi +++ b/arch/arm/boot/dts/r8a7740.dtsi @@ -10,6 +10,7 @@ /include/ "skeleton.dtsi" +#include #include / { @@ -225,4 +226,232 @@ interrupts = <0 9 0x4>; status = "disabled"; }; + + clocks { + #address-cells = <1>; + #size-cells = <1>; + ranges; + + /* External root clock */ + extalr_clk: extalr_clk { + compatible = "fixed-clock"; + #clock-cells = <0>; + clock-frequency = <32768>; + clock-output-names = "extalr"; + }; + extal1_clk: extal1_clk { + compatible = "fixed-clock"; + #clock-cells = <0>; + clock-frequency = <0>; + clock-output-names = "extal1"; + }; + extal2_clk: extal2_clk { + compatible = "fixed-clock"; + #clock-cells = <0>; + clock-frequency = <0>; + clock-output-names = "extal2"; + }; + dv_clk: dv_clk { + compatible = "fixed-clock"; + #clock-cells = <0>; + clock-frequency = <27000000>; + clock-output-names = "dv"; + }; + fsiack_clk: fsiack_clk { + compatible = "fixed-clock"; + #clock-cells = <0>; + clock-frequency = <0>; + clock-output-names = "fsiack"; + }; + fsibck_clk: fsibck_clk { + compatible = "fixed-clock"; + #clock-cells = <0>; + clock-frequency = <0>; + clock-output-names = "fsibck"; + }; + + /* Special CPG clocks */ + cpg_clocks: cpg_clocks@e6150000 { + compatible = "renesas,r8a7740-cpg-clocks"; + reg = <0xe6150000 0x10000>; + clocks = <&extal1_clk>, <&extalr_clk>; + #clock-cells = <1>; + clock-output-names = "system", "pllc0", "pllc1", + "pllc2", "r", + "usb24s", + "i", "zg", "b", "m1", "hp", + "hpp", "usbp", "s", "zb", "m3", + "cp"; + }; + + /* Variable factor clocks (DIV6) */ + hdmi_clk: hdmi_clk@e6150094 { + compatible = "renesas,r8a7740-div6-clock", "renesas,cpg-div6-clock"; + reg = <0xe6150094 4>; + clocks = <&pllc1_div2_clk>, <&cpg_clocks R8A7740_CLK_SYSTEM>, <&dv_clk>; + renesas,src-shift = <6>; + renesas,src-width = <2>; + #clock-cells = <0>; + clock-output-names = "hdmi"; + }; + vclk1_clk: vclk1_clk@e6150008 { + compatible = "renesas,r8a7740-div6-clock", "renesas,cpg-div6-clock"; + reg = <0xe6150008 4>; + clocks = <&pllc1_div2_clk>, <0>, <&dv_clk>, + <&cpg_clocks R8A7740_CLK_USB24S>, + <&extal1_div2_clk>, <&extalr_clk>; + renesas,src-shift = <12>; + renesas,src-width = <3>; + #clock-cells = <0>; + clock-output-names = "vclk1"; + }; + vclk2_clk: vclk2_clk@e615000c { + compatible = "renesas,r8a7740-div6-clock", "renesas,cpg-div6-clock"; + reg = <0xe615000c 4>; + clocks = <&pllc1_div2_clk>, <&dv_clk>, + <&cpg_clocks R8A7740_CLK_USB24S>, + <&extal1_div2_clk>, <&extalr_clk>; + renesas,src-shift = <12>; + renesas,src-width = <3>; + #clock-cells = <0>; + clock-output-names = "vclk2"; + }; + fsia_clk: fsia_clk@e6150018 { + compatible = "renesas,r8a7740-div6-clock", "renesas,cpg-div6-clock"; + reg = <0xe6150018 4>; + clocks = <&pllc1_div2_clk>, <&fsiack_clk>; + renesas,src-shift = <6>; + renesas,src-width = <2>; + #clock-cells = <0>; + clock-output-names = "fsia"; + }; + fsib_clk: fsib_clk@e6150090 { + compatible = "renesas,r8a7740-div6-clock", "renesas,cpg-div6-clock"; + reg = <0xe6150090 4>; + clocks = <&pllc1_div2_clk>, <&fsibck_clk>; + renesas,src-shift = <6>; + renesas,src-width = <2>; + #clock-cells = <0>; + clock-output-names = "fsib"; + }; + sub_clk: sub_clk@e6150080 { + compatible = "renesas,r8a7740-div6-clock", "renesas,cpg-div6-clock"; + reg = <0xe6150080 4>; + clocks = <&pllc1_div2_clk>; + #clock-cells = <0>; + clock-output-names = "sub"; + }; + + /* Fixed factor clocks */ + pllc1_div2_clk: pllc1_div2_clk { + compatible = "fixed-factor-clock"; + clocks = <&cpg_clocks R8A7740_CLK_PLLC1>; + #clock-cells = <0>; + clock-div = <2>; + clock-mult = <1>; + clock-output-names = "pllc1_div2"; + }; + extal1_div2_clk: extal1_div2_clk { + compatible = "fixed-factor-clock"; + clocks = <&extal1_clk>; + #clock-cells = <0>; + clock-div = <2>; + clock-mult = <1>; + clock-output-names = "extal1_div2"; + }; + + /* Gate clocks */ + subck_clks: subck_clks@e6150080 { + compatible = "renesas,r8a7740-mstp-clocks", "renesas,cpg-mstp-clocks"; + reg = <0xe6150080 4>; + clocks = <&sub_clk>, <&sub_clk>; + #clock-cells = <1>; + renesas,clock-indices = < + R8A7740_CLK_SUBCK R8A7740_CLK_SUBCK2 + >; + clock-output-names = + "subck", "subck2"; + }; + mstp1_clks: mstp1_clks@e6150134 { + compatible = "renesas,r8a7740-mstp-clocks", "renesas,cpg-mstp-clocks"; + reg = <0xe6150134 4>, <0xe6150038 4>; + clocks = <&cpg_clocks R8A7740_CLK_S>, + <&cpg_clocks R8A7740_CLK_S>, <&sub_clk>, + <&cpg_clocks R8A7740_CLK_B>, + <&sub_clk>, <&sub_clk>, + <&cpg_clocks R8A7740_CLK_B>; + #clock-cells = <1>; + renesas,clock-indices = < + R8A7740_CLK_CEU21 R8A7740_CLK_CEU20 R8A7740_CLK_TMU0 + R8A7740_CLK_LCDC1 R8A7740_CLK_IIC0 R8A7740_CLK_TMU1 + R8A7740_CLK_LCDC0 + >; + clock-output-names = + "ceu21", "ceu20", "tmu0", "lcdc1", "iic0", + "tmu1", "lcdc0"; + }; + mstp2_clks: mstp2_clks@e6150138 { + compatible = "renesas,r8a7740-mstp-clocks", "renesas,cpg-mstp-clocks"; + reg = <0xe6150138 4>, <0xe6150040 4>; + clocks = <&sub_clk>, <&sub_clk>, + <&cpg_clocks R8A7740_CLK_HP>, + <&cpg_clocks R8A7740_CLK_HP>, + <&cpg_clocks R8A7740_CLK_HP>, + <&cpg_clocks R8A7740_CLK_HP>, + <&sub_clk>, <&sub_clk>, <&sub_clk>, + <&sub_clk>, <&sub_clk>, <&sub_clk>, + <&sub_clk>; + #clock-cells = <1>; + renesas,clock-indices = < + R8A7740_CLK_SCIFA6 R8A7740_CLK_SCIFA7 + R8A7740_CLK_DMAC1 R8A7740_CLK_DMAC2 + R8A7740_CLK_DMAC3 R8A7740_CLK_USBDMAC + R8A7740_CLK_SCIFA5 R8A7740_CLK_SCIFB + R8A7740_CLK_SCIFA0 R8A7740_CLK_SCIFA1 + R8A7740_CLK_SCIFA2 R8A7740_CLK_SCIFA3 + R8A7740_CLK_SCIFA4 + >; + clock-output-names = + "scifa6", "scifa7", "dmac1", "dmac2", "dmac3", + "usbdmac", "scifa5", "scifb", "scifa0", "scifa1", + "scifa2", "scifa3", "scifa4"; + }; + mstp3_clks: mstp3_clks@e615013c { + compatible = "renesas,r8a7740-mstp-clocks", "renesas,cpg-mstp-clocks"; + reg = <0xe615013c 4>, <0xe6150048 4>; + clocks = <&cpg_clocks R8A7740_CLK_R>, + <&cpg_clocks R8A7740_CLK_HP>, + <&sub_clk>, + <&cpg_clocks R8A7740_CLK_HP>, + <&cpg_clocks R8A7740_CLK_HP>, + <&cpg_clocks R8A7740_CLK_HP>, + <&cpg_clocks R8A7740_CLK_HP>, + <&cpg_clocks R8A7740_CLK_HP>, + <&cpg_clocks R8A7740_CLK_HP>; + #clock-cells = <1>; + renesas,clock-indices = < + R8A7740_CLK_CMT1 R8A7740_CLK_FSI R8A7740_CLK_IIC1 + R8A7740_CLK_USBF R8A7740_CLK_SDHI0 R8A7740_CLK_SDHI1 + R8A7740_CLK_MMC R8A7740_CLK_GETHER R8A7740_CLK_TPU0 + >; + clock-output-names = + "cmt1", "fsi", "iic1", "usbf", "sdhi0", "sdhi1", + "mmc", "gether", "tpu0"; + }; + mstp4_clks: mstp4_clks@e6150140 { + compatible = "renesas,r8a7740-mstp-clocks", "renesas,cpg-mstp-clocks"; + reg = <0xe6150140 4>, <0xe615004c 4>; + clocks = <&cpg_clocks R8A7740_CLK_HP>, + <&cpg_clocks R8A7740_CLK_HP>, + <&cpg_clocks R8A7740_CLK_HP>, + <&cpg_clocks R8A7740_CLK_HP>; + #clock-cells = <1>; + renesas,clock-indices = < + R8A7740_CLK_USBH R8A7740_CLK_SDHI2 + R8A7740_CLK_USBFUNC R8A7740_CLK_USBPHY + >; + clock-output-names = + "usbhost", "sdhi2", "usbfunc", "usphy"; + }; + }; }; diff --git a/include/dt-bindings/clock/r8a7740-clock.h b/include/dt-bindings/clock/r8a7740-clock.h new file mode 100644 index 0000000..f6b4b0f --- /dev/null +++ b/include/dt-bindings/clock/r8a7740-clock.h @@ -0,0 +1,77 @@ +/* + * Copyright 2014 Ulrich Hecht + * + * 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; either version 2 of the License, or + * (at your option) any later version. + */ + +#ifndef __DT_BINDINGS_CLOCK_R8A7740_H__ +#define __DT_BINDINGS_CLOCK_R8A7740_H__ + +/* CPG */ +#define R8A7740_CLK_SYSTEM 0 +#define R8A7740_CLK_PLLC0 1 +#define R8A7740_CLK_PLLC1 2 +#define R8A7740_CLK_PLLC2 3 +#define R8A7740_CLK_R 4 +#define R8A7740_CLK_USB24S 5 +#define R8A7740_CLK_I 6 +#define R8A7740_CLK_ZG 7 +#define R8A7740_CLK_B 8 +#define R8A7740_CLK_M1 9 +#define R8A7740_CLK_HP 10 +#define R8A7740_CLK_HPP 11 +#define R8A7740_CLK_USBP 12 +#define R8A7740_CLK_S 13 +#define R8A7740_CLK_ZB 14 +#define R8A7740_CLK_M3 15 +#define R8A7740_CLK_CP 16 + +/* MSTP1 */ +#define R8A7740_CLK_CEU21 28 +#define R8A7740_CLK_CEU20 27 +#define R8A7740_CLK_TMU0 25 +#define R8A7740_CLK_LCDC1 17 +#define R8A7740_CLK_IIC0 16 +#define R8A7740_CLK_TMU1 11 +#define R8A7740_CLK_LCDC0 0 + +/* MSTP2 */ +#define R8A7740_CLK_SCIFA6 30 +#define R8A7740_CLK_SCIFA7 22 +#define R8A7740_CLK_DMAC1 18 +#define R8A7740_CLK_DMAC2 17 +#define R8A7740_CLK_DMAC3 16 +#define R8A7740_CLK_USBDMAC 14 +#define R8A7740_CLK_SCIFA5 7 +#define R8A7740_CLK_SCIFB 6 +#define R8A7740_CLK_SCIFA0 4 +#define R8A7740_CLK_SCIFA1 3 +#define R8A7740_CLK_SCIFA2 2 +#define R8A7740_CLK_SCIFA3 1 +#define R8A7740_CLK_SCIFA4 0 + +/* MSTP3 */ +#define R8A7740_CLK_CMT1 29 +#define R8A7740_CLK_FSI 28 +#define R8A7740_CLK_IIC1 23 +#define R8A7740_CLK_USBF 20 +#define R8A7740_CLK_SDHI0 14 +#define R8A7740_CLK_SDHI1 13 +#define R8A7740_CLK_MMC 12 +#define R8A7740_CLK_GETHER 9 +#define R8A7740_CLK_TPU0 4 + +/* MSTP4 */ +#define R8A7740_CLK_USBH 16 +#define R8A7740_CLK_SDHI2 15 +#define R8A7740_CLK_USBFUNC 7 +#define R8A7740_CLK_USBPHY 6 + +/* SUBCK* */ +#define R8A7740_CLK_SUBCK 9 +#define R8A7740_CLK_SUBCK2 10 + +#endif /* __DT_BINDINGS_CLOCK_R8A7740_H__ */