From patchwork Sun May 11 01:41:02 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Matthias Brugger X-Patchwork-Id: 4149261 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 60B73BFF02 for ; Sun, 11 May 2014 01:44:47 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 69837202DD for ; Sun, 11 May 2014 01:44:46 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (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 56379202AE for ; Sun, 11 May 2014 01:44:45 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1WjImc-00077M-Gr; Sun, 11 May 2014 01:42:30 +0000 Received: from mail-we0-x230.google.com ([2a00:1450:400c:c03::230]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1WjImR-0006zr-Vg for linux-arm-kernel@lists.infradead.org; Sun, 11 May 2014 01:42:21 +0000 Received: by mail-we0-f176.google.com with SMTP id q59so5460432wes.35 for ; Sat, 10 May 2014 18:41:57 -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=FBwOrt7GLh1PdAgb+2IKApHk89ePPleaGW/hflE4k28=; b=eZq4ZhCY8eDcLEX2ZNYS2qd/b7YSVVbGPsP9320GPx9gPYyjZMWZEeobQZ7pT2mHuv fqeVevu4iQMRkHSoa1E0qjNP+U/vJ4YUjnK4YPt1TnnfOILPdGqQHOtWnjkD6nAuAbMV 0fISChlLog0OUBEwzvSZhn6p0andE1bbOJdDgfUD6WPeASSP9xyQthwBEKVncZEUyH2m Puv8xQSrv1t5YdF+/dzfRb+OVoxK29NIUfMHoodAWbfFtooH/005Ur1qJklnlWp5Y7VH wtUbSCYXHsR4Eo+eljm0kIFCHalOPc0QUOTCWVgJQpbZNh6xXJawMZO0tc8x1PEv5AgV bAnQ== X-Received: by 10.180.198.48 with SMTP id iz16mr9546296wic.29.1399772517718; Sat, 10 May 2014 18:41:57 -0700 (PDT) Received: from localhost.localdomain ([31.4.238.52]) by mx.google.com with ESMTPSA id k2sm3839003wjq.20.2014.05.10.18.41.54 for (version=TLSv1.1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Sat, 10 May 2014 18:41:57 -0700 (PDT) From: Matthias Brugger To: linux-kernel@vger.kernel.org Subject: [PATCH v2 3/4] arm: add basic support for Mediatek MT6589 boards Date: Sun, 11 May 2014 03:41:02 +0200 Message-Id: <1399772463-859-4-git-send-email-matthias.bgg@gmail.com> X-Mailer: git-send-email 1.8.1.2 In-Reply-To: <1399772463-859-1-git-send-email-matthias.bgg@gmail.com> References: <1399772463-859-1-git-send-email-matthias.bgg@gmail.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20140510_184220_352355_E4878C84 X-CRM114-Status: GOOD ( 15.59 ) X-Spam-Score: -0.1 (/) Cc: mark.rutland@arm.com, andrew@lunn.ch, linux-doc@vger.kernel.org, gregory.clement@free-electrons.com, thierry.reding@gmail.com, heiko.stuebner@bq.com, linux@arm.linux.org.uk, arnd@arndb.de, daniel.lezcano@linaro.org, florian.vaussard@epfl.ch, sebastian.hesselbarth@gmail.com, devicetree@vger.kernel.org, jason@lakedaemon.net, pawel.moll@arm.com, ijc+devicetree@hellion.org.uk, marc.zyngier@arm.com, robh+dt@kernel.org, matthias.bgg@gmail.com, tglx@linutronix.de, linux-arm-kernel@lists.infradead.org, rdunlap@infradead.org, sboyd@codeaurora.org, silvio.fricke@gmail.com, galak@codeaurora.org, olof@lixom.net, maxime.ripard@free-electrons.com, jic23@kernel.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=-2.4 required=5.0 tests=BAYES_00, DKIM_ADSP_CUSTOM_MED, DKIM_SIGNED, FREEMAIL_FROM, RP_MATCHES_RCVD, T_DKIM_INVALID, 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 adds a generic devicetree board file and a dtsi for boards based on the MT6589 SoCs from Mediatek. Apart from the generic parts (gic, clocks) the only component currently supported are the timers. Signed-off-by: Matthias Brugger --- .../devicetree/bindings/arm/mediatek-mt65xx.txt | 8 ++ .../devicetree/bindings/vendor-prefixes.txt | 1 + arch/arm/Kconfig | 2 + arch/arm/Makefile | 1 + arch/arm/boot/dts/mt6589.dtsi | 93 ++++++++++++++++++++++ arch/arm/mach-mediatek/Kconfig | 6 ++ arch/arm/mach-mediatek/Makefile | 1 + arch/arm/mach-mediatek/mediatek.c | 38 +++++++++ 8 files changed, 150 insertions(+) create mode 100644 Documentation/devicetree/bindings/arm/mediatek-mt65xx.txt create mode 100644 arch/arm/boot/dts/mt6589.dtsi create mode 100644 arch/arm/mach-mediatek/Kconfig create mode 100644 arch/arm/mach-mediatek/Makefile create mode 100644 arch/arm/mach-mediatek/mediatek.c diff --git a/Documentation/devicetree/bindings/arm/mediatek-mt65xx.txt b/Documentation/devicetree/bindings/arm/mediatek-mt65xx.txt new file mode 100644 index 0000000..d6ac71f --- /dev/null +++ b/Documentation/devicetree/bindings/arm/mediatek-mt65xx.txt @@ -0,0 +1,8 @@ +Mediatek MT6589 Platforms Device Tree Bindings + +Boards with a SoC of the Mediatek MT6589 shall have the following property: + +Required root node property: + +compatible: must contain "mediatek,mt6589" + diff --git a/Documentation/devicetree/bindings/vendor-prefixes.txt b/Documentation/devicetree/bindings/vendor-prefixes.txt index abc3080..73f9e4c 100644 --- a/Documentation/devicetree/bindings/vendor-prefixes.txt +++ b/Documentation/devicetree/bindings/vendor-prefixes.txt @@ -75,6 +75,7 @@ linux Linux-specific binding lsi LSI Corp. (LSI Logic) marvell Marvell Technology Group Ltd. maxim Maxim Integrated Products +mediatek MediaTek Inc. microchip Microchip Technology Inc. mosaixtech Mosaix Technologies, Inc. moxa Moxa diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index db3c541..0fc8acd 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -997,6 +997,8 @@ source "arch/arm/mach-mv78xx0/Kconfig" source "arch/arm/mach-imx/Kconfig" +source "arch/arm/mach-mediatek/Kconfig" + source "arch/arm/mach-mxs/Kconfig" source "arch/arm/mach-netx/Kconfig" diff --git a/arch/arm/Makefile b/arch/arm/Makefile index 41c1931..8ce9774 100644 --- a/arch/arm/Makefile +++ b/arch/arm/Makefile @@ -170,6 +170,7 @@ machine-$(CONFIG_ARCH_MSM) += msm machine-$(CONFIG_ARCH_MV78XX0) += mv78xx0 machine-$(CONFIG_ARCH_MVEBU) += mvebu machine-$(CONFIG_ARCH_MXC) += imx +machine-$(CONFIG_ARCH_MEDIATEK) += mediatek machine-$(CONFIG_ARCH_MXS) += mxs machine-$(CONFIG_ARCH_NETX) += netx machine-$(CONFIG_ARCH_NOMADIK) += nomadik diff --git a/arch/arm/boot/dts/mt6589.dtsi b/arch/arm/boot/dts/mt6589.dtsi new file mode 100644 index 0000000..2af140d --- /dev/null +++ b/arch/arm/boot/dts/mt6589.dtsi @@ -0,0 +1,93 @@ +/* + * Copyright (c) 2014 MundoReader S.L. + * Author: Matthias Brugger + * + * 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. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#include +#include +#include "skeleton.dtsi" + +/ { + compatible = "mediatek,mt6589"; + interrupt-parent = <&gic>; + + cpus { + #address-cells = <1>; + #size-cells = <0>; + + cpu@0 { + device_type = "cpu"; + compatible = "arm,cortex-a7"; + reg = <0x0>; + }; + cpu@1 { + device_type = "cpu"; + compatible = "arm,cortex-a7"; + reg = <0x1>; + }; + cpu@2 { + device_type = "cpu"; + compatible = "arm,cortex-a7"; + reg = <0x2>; + }; + cpu@3 { + device_type = "cpu"; + compatible = "arm,cortex-a7"; + reg = <0x3>; + }; + + }; + + clocks { + #address-cells = <1>; + #size-cells = <1>; + ranges; + + dummy13m: dummy13m { + compatible = "fixed-clock"; + clock-frequency = <13000000>; + #clock-cells = <0>; + }; + + dummy32k: dummy32k { + compatible = "fixed-clock"; + clock-frequency = <32000>; + #clock-cells = <0>; + }; + }; + + soc { + #address-cells = <1>; + #size-cells = <1>; + compatible = "simple-bus"; + clock-ranges; + ranges; + + gic: interrupt-controller@10212000 { + compatible = "arm,cortex-a9-gic"; + interrupt-controller; + #interrupt-cells = <3>; + reg = <0x10211000 0x1000>, + <0x10212000 0x1000>, + <0x10214000 0x2000>, + <0x10216000 0x2000>; + }; + + timer: timer@10008000 { + compatible = "mediatek,mtk6589-timer"; + reg = <0x10008000 0x80>; + interrupts = ; + clocks = <&dummy13m>, <&dummy32k>; + }; + }; +}; diff --git a/arch/arm/mach-mediatek/Kconfig b/arch/arm/mach-mediatek/Kconfig new file mode 100644 index 0000000..2c043a2 --- /dev/null +++ b/arch/arm/mach-mediatek/Kconfig @@ -0,0 +1,6 @@ +config ARCH_MEDIATEK + bool "Mediatek MT6589 SoC" if ARCH_MULTI_V7 + select ARM_GIC + select MTK_TIMER + help + Support for Mediatek Cortex-A7 Quad-Core-SoC MT6589. diff --git a/arch/arm/mach-mediatek/Makefile b/arch/arm/mach-mediatek/Makefile new file mode 100644 index 0000000..43e619f --- /dev/null +++ b/arch/arm/mach-mediatek/Makefile @@ -0,0 +1 @@ +obj-$(CONFIG_ARCH_MEDIATEK) += mediatek.o diff --git a/arch/arm/mach-mediatek/mediatek.c b/arch/arm/mach-mediatek/mediatek.c new file mode 100644 index 0000000..0487fc7 --- /dev/null +++ b/arch/arm/mach-mediatek/mediatek.c @@ -0,0 +1,38 @@ +/* + * Device Tree support for Mediatek SoCs + * + * Copyright (c) 2014 MundoReader S.L. + * Author: Matthias Brugger + * + * 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. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#include +#include +#include +#include +#include +#include + +static void __init mediatek_dt_init(void) +{ + of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL); +} + +static const char * const mediatek_board_dt_compat[] = { + "mediatek,mt6589", + NULL, +}; + +DT_MACHINE_START(MEDIATEK_DT, "Mediatek Cortex-A7 (Device Tree)") + .init_machine = mediatek_dt_init, + .dt_compat = mediatek_board_dt_compat, +MACHINE_END