From patchwork Wed Apr 9 19:45:35 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Matthias Brugger X-Patchwork-Id: 337924 Return-Path: X-Original-To: incoming-dt@patchwork.ozlabs.org Delivered-To: patchwork-incoming-dt@bilbo.ozlabs.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 6D40B1400D8 for ; Thu, 10 Apr 2014 05:48:01 +1000 (EST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933782AbaDITra (ORCPT ); Wed, 9 Apr 2014 15:47:30 -0400 Received: from mail-wi0-f172.google.com ([209.85.212.172]:41863 "EHLO mail-wi0-f172.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933342AbaDITqJ (ORCPT ); Wed, 9 Apr 2014 15:46:09 -0400 Received: by mail-wi0-f172.google.com with SMTP id hi2so9526039wib.5 for ; Wed, 09 Apr 2014 12:46:08 -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=++3uoNGDARUGjT2rOEm0t9twdyhGXNk5btMOMnvy50s=; b=Kl9J2IYgjA9RFIPQOq13EEMeT0wA2I5VhQrhj9oqpEdnIYD9xy79LlJ9QmVtzbV4ev JN4zmFdgVLemvbpyZlnxCqX+yXEv4NBJgauSN8j9yNPnhX4jiVOXyvGmOHWN4rkwwKRa 4SIoogTGPErdqDcP3nCAWfEHscOpeCSDzsE8o7sTQYBp/WqPcAuBkb+SEa24WE85aDtT TgYIeZbM/aHUoIG1yti50SOKzQwvcbSWgup35DqAepFvpUlRmKrXstIFFd/p1+bGocEP x77N9VqOEjK5JUMBJ2wmjdbvk3/pdunwdhXrTwnorWatMrfa5DGOLFuykaSfadcVNwNZ tiXw== X-Received: by 10.180.207.10 with SMTP id ls10mr39047068wic.22.1397072768048; Wed, 09 Apr 2014 12:46:08 -0700 (PDT) Received: from localhost.localdomain (87.Red-88-0-22.dynamicIP.rima-tde.net. [88.0.22.87]) by mx.google.com with ESMTPSA id vh3sm3069256wjc.18.2014.04.09.12.46.05 for (version=TLSv1.1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Wed, 09 Apr 2014 12:46:07 -0700 (PDT) From: Matthias Brugger To: linux-kernel@vger.kernel.org Cc: robh+dt@kernel.org, pawel.moll@arm.com, mark.rutland@arm.com, ijc+devicetree@hellion.org.uk, galak@codeaurora.org, rdunlap@infradead.org, linux@arm.linux.org.uk, daniel.lezcano@linaro.org, tglx@linutronix.de, matthias.bgg@gmail.com, thierry.reding@gmail.com, florian.vaussard@epfl.ch, jic23@kernel.org, jason@lakedaemon.net, andrew@lunn.ch, silvio.fricke@gmail.com, heiko.stuebner@bq.com, olof@lixom.net, sebastian.hesselbarth@gmail.com, devicetree@vger.kernel.org, linux-doc@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: [PATCH 3/4] arm: add basic support for Mediatek MT6589 boards Date: Wed, 9 Apr 2014 21:45:35 +0200 Message-Id: <1397072736-10793-4-git-send-email-matthias.bgg@gmail.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1397072736-10793-1-git-send-email-matthias.bgg@gmail.com> References: <1397072736-10793-1-git-send-email-matthias.bgg@gmail.com> Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org 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/vendor-prefixes.txt | 1 + arch/arm/Kconfig | 2 + arch/arm/Makefile | 1 + arch/arm/boot/dts/mtk6589.dtsi | 105 ++++++++++++++++++++ arch/arm/mach-mediatek/Kconfig | 14 +++ arch/arm/mach-mediatek/Makefile | 1 + arch/arm/mach-mediatek/mediatek.c | 40 ++++++++ 7 files changed, 164 insertions(+) create mode 100644 arch/arm/boot/dts/mtk6589.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/vendor-prefixes.txt b/Documentation/devicetree/bindings/vendor-prefixes.txt index 0f01c9b..af48801 100644 --- a/Documentation/devicetree/bindings/vendor-prefixes.txt +++ b/Documentation/devicetree/bindings/vendor-prefixes.txt @@ -67,6 +67,7 @@ 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 5db05f6a..04d46ec 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -995,6 +995,8 @@ 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/mtk6589.dtsi b/arch/arm/boot/dts/mtk6589.dtsi new file mode 100644 index 0000000..6dbb74f --- /dev/null +++ b/arch/arm/boot/dts/mtk6589.dtsi @@ -0,0 +1,105 @@ +/* + * 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"; + next-level-cache = <&L2>; + reg = <0x0>; + }; + cpu@1 { + device_type = "cpu"; + compatible = "arm,cortex-a7"; + next-level-cache = <&L2>; + reg = <0x1>; + }; + cpu@2 { + device_type = "cpu"; + compatible = "arm,cortex-a7"; + next-level-cache = <&L2>; + reg = <0x2>; + }; + cpu@3 { + device_type = "cpu"; + compatible = "arm,cortex-a7"; + next-level-cache = <&L2>; + reg = <0x3>; + }; + + }; + + clocks { + #address-cells = <1>; + #size-cells = <1>; + ranges; + + system_clk: system_clk { + compatible = "fixed-clock"; + clock-frequency = <13000000>; + #clock-cells = <0>; + clock-output-names = "system_clk"; + }; + + rtc_clk: rtc_clk { + compatible = "fixed-clock"; + clock-frequency = <32000>; + #clock-cells = <0>; + clock-output-names = "rtc_clk"; + }; + }; + + 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>; + }; + + L2: l2-cache-controller@1020e000 { + compatible = "arm,pl310-cache"; + reg = <0x1020e000 0x1000>; + cache-unified; + cache-level = <2>; + }; + + timer: timer@10008000 { + compatible = "mediatek,mtk6589-timer"; + reg = <0x10008000 0x80>; + interrupts = ; + clocks = <&system_clk>, <&rtc_clk>; + clock-names = "sys_clk", "rtc_clk"; + }; + }; +}; diff --git a/arch/arm/mach-mediatek/Kconfig b/arch/arm/mach-mediatek/Kconfig new file mode 100644 index 0000000..c0139ca --- /dev/null +++ b/arch/arm/mach-mediatek/Kconfig @@ -0,0 +1,14 @@ +config ARCH_MEDIATEK + bool "Mediatek MT6589 SoC" if ARCH_MULTI_V7 + select ARCH_REQUIRE_GPIOLIB + select ARM_GIC + select CACHE_L2X0 + select HAVE_ARM_TWD if LOCAL_TIMERS + select HAVE_SMP + select LOCAL_TIMERS if SMP + select COMMON_CLK + select GENERIC_CLOCKEVENTS + select MTK_TIMER + select CLKSRC_MMIO + 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..f630403 --- /dev/null +++ b/arch/arm/mach-mediatek/mediatek.c @@ -0,0 +1,40 @@ +/* + * 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 +#include + +static void __init mediatek_dt_init(void) +{ + l2x0_of_init(0, ~0); + 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