From patchwork Thu Feb 12 17:46:02 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Maxime Coquelin X-Patchwork-Id: 439297 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 83D92140190 for ; Fri, 13 Feb 2015 04:48:08 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752175AbbBLRqw (ORCPT ); Thu, 12 Feb 2015 12:46:52 -0500 Received: from mail-wg0-f68.google.com ([74.125.82.68]:47903 "EHLO mail-wg0-f68.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752142AbbBLRqu (ORCPT ); Thu, 12 Feb 2015 12:46:50 -0500 Received: by mail-wg0-f68.google.com with SMTP id y19so3568116wgg.3; Thu, 12 Feb 2015 09:46:47 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=from:to:subject:date:message-id:in-reply-to:references; bh=Dr0t/9oMldxpiMeI+PHNm6SWCylRZXru/vw0YIaOr0I=; b=Nui2Z3hloTfhC0Ti6EC2DneVguY84sRfGIu3EitXHvTuKBUvYdtTJa02BXnYA3mdX/ tU82aTqQG8BQ7uhoehJIzWKfnrvew1E1QyebBHFo0BF6IWJIQbZ/6VIfcaOX0Rk4YpAQ Jsy0qpnD9MDe2FcX6RMPO3k1w6n5Nei/El7HlakQlEXhA2+oBAblcxcm3LEbGqPOoc/l GkNJdzSNsGQZAcmYXOQ81x0W74VTg6bFU0edFvQmzkbxp+P0uufjwjh2P4IuJBaM7/G0 9JPa/0c/prXvrQnnBDZEg5da3wTbI1ZT7WlW51K18USXzZ1wA4TmLXZ1oZtqFno71QJo 1Mmw== X-Received: by 10.194.63.206 with SMTP id i14mr10000390wjs.107.1423763207852; Thu, 12 Feb 2015 09:46:47 -0800 (PST) Received: from lmecul0520.st.com. (157.162.113.78.rev.sfr.net. [78.113.162.157]) by mx.google.com with ESMTPSA id ka1sm6614924wjc.2.2015.02.12.09.46.45 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Thu, 12 Feb 2015 09:46:47 -0800 (PST) From: Maxime Coquelin To: Jonathan Corbet , Maxime Coquelin , Rob Herring , Pawel Moll , Mark Rutland , Ian Campbell , Kumar Gala , Philipp Zabel , Russell King , Daniel Lezcano , Thomas Gleixner , Linus Walleij , Greg Kroah-Hartman , Jiri Slaby , Arnd Bergmann , Andrew Morton , "David S. Miller" , Mauro Carvalho Chehab , Joe Perches , Antti Palosaari , Tejun Heo , Will Deacon , Nikolay Borisov , Rusty Russell , Kees Cook , Michal Marek , linux-doc@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, linux-gpio@vger.kernel.org, linux-serial@vger.kernel.org, linux-arch@vger.kernel.org, linux-api@vger.kernel.org Subject: [PATCH 12/14] ARM: dts: Introduce STM32F429 MCU Date: Thu, 12 Feb 2015 18:46:02 +0100 Message-Id: <1423763164-5606-13-git-send-email-mcoquelin.stm32@gmail.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1423763164-5606-1-git-send-email-mcoquelin.stm32@gmail.com> References: <1423763164-5606-1-git-send-email-mcoquelin.stm32@gmail.com> Sender: linux-gpio-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-gpio@vger.kernel.org The STMicrolectornics's STM32F419 MCU has the following main features: - Cortex-M4 core running up to @180MHz - 2MB internal flash, 256KBytes internal RAM - FMC controller to connect SDRAM, NOR and NAND memories - SD/MMC/SDIO support - Ethernet controller - USB OTFG FS & HS controllers - I2C, SPI, CAN busses support - Several 16 & 32 bits general purpose timers - Serial Audio interface - LCD controller Signed-off-by: Maxime Coquelin --- arch/arm/boot/dts/Makefile | 1 + arch/arm/boot/dts/stm32f429-disco.dts | 41 +++++ arch/arm/boot/dts/stm32f429.dtsi | 279 ++++++++++++++++++++++++++++++++++ 3 files changed, 321 insertions(+) create mode 100644 arch/arm/boot/dts/stm32f429-disco.dts create mode 100644 arch/arm/boot/dts/stm32f429.dtsi diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile index 91bd5bd..d7da0ef 100644 --- a/arch/arm/boot/dts/Makefile +++ b/arch/arm/boot/dts/Makefile @@ -442,6 +442,7 @@ dtb-$(CONFIG_ARCH_STI)+= stih407-b2120.dtb \ stih416-b2000.dtb \ stih416-b2020.dtb \ stih416-b2020e.dtb +dtb-$(CONFIG_ARCH_STM32)+= stm32f429-disco.dtb dtb-$(CONFIG_MACH_SUN4I) += \ sun4i-a10-a1000.dtb \ sun4i-a10-ba10-tvbox.dtb \ diff --git a/arch/arm/boot/dts/stm32f429-disco.dts b/arch/arm/boot/dts/stm32f429-disco.dts new file mode 100644 index 0000000..0e79cc1 --- /dev/null +++ b/arch/arm/boot/dts/stm32f429-disco.dts @@ -0,0 +1,41 @@ +/dts-v1/; +#include "stm32f429.dtsi" + +/ { + model = "STMicroelectronics's STM32F429i-DISCO board"; + compatible = "st,stm32f429i-disco", "st,stm32f429"; + + chosen { + bootargs = "console=ttyS0,115200 root=/dev/ram rdinit=/linuxrc"; + linux,stdout-path = &usart1; + }; + + memory { + reg = <0xd0000000 0x800000>; + }; + + aliases { + ttyS0 = &usart1; + }; + + soc { + usart1: usart@40011000 { + status = "okay"; + }; + + leds { + compatible = "gpio-leds"; + red { + #gpio-cells = <2>; + label = "Front Panel LED"; + gpios = <&gpiog 14 0>; + linux,default-trigger = "heartbeat"; + }; + green { + #gpio-cells = <2>; + gpios = <&gpiog 13 0>; + default-state = "off"; + }; + }; + }; +}; diff --git a/arch/arm/boot/dts/stm32f429.dtsi b/arch/arm/boot/dts/stm32f429.dtsi new file mode 100644 index 0000000..71293c2 --- /dev/null +++ b/arch/arm/boot/dts/stm32f429.dtsi @@ -0,0 +1,279 @@ +/* + * Device tree for STM32F429 + */ +#include "armv7-m.dtsi" +#include + +/ { + + aliases { + gpio0 = &gpioa; + gpio1 = &gpiob; + gpio2 = &gpioc; + gpio3 = &gpiod; + gpio4 = &gpioe; + gpio5 = &gpiof; + gpio6 = &gpiog; + gpio7 = &gpioh; + gpio8 = &gpioi; + gpio9 = &gpioj; + gpio10 = &gpiok; + }; + + clocks { + clk_sysclk: clk-sysclk { + #clock-cells = <0>; + compatible = "fixed-clock"; + clock-frequency = <180000000>; + }; + + clk_hclk: clk-hclk { + #clock-cells = <0>; + compatible = "fixed-clock"; + clock-frequency = <180000000>; + }; + + clk_pclk1: clk-pclk1 { + #clock-cells = <0>; + compatible = "fixed-clock"; + clock-frequency = <45000000>; + }; + + clk_pclk2: clk-pclk2 { + #clock-cells = <0>; + compatible = "fixed-clock"; + clock-frequency = <90000000>; + }; + + clk_pmtr1: clk-pmtr1 { + #clock-cells = <0>; + compatible = "fixed-clock"; + clock-frequency = <90000000>; + }; + + clk_pmtr2: clk-pmtr2 { + #clock-cells = <0>; + compatible = "fixed-clock"; + clock-frequency = <180000000>; + }; + + clk_systick: clk-systick { + compatible = "fixed-factor-clock"; + clocks = <&clk_hclk>; + #clock-cells = <0>; + clock-div = <8>; + clock-mult = <1>; + }; + }; + + systick: system-timer { + clocks = <&clk_systick>; + + status = "okay"; + }; + + soc { + reset_ahb1: reset@40023810 { + #reset-cells = <1>; + compatible = "st,stm32-reset"; + reg = <0x40023810 0x4>; + }; + + reset_ahb2: reset@40023814 { + #reset-cells = <1>; + compatible = "st,stm32-reset"; + reg = <0x40023814 0x4>; + }; + + reset_ahb3: reset@40023818 { + #reset-cells = <1>; + compatible = "st,stm32-reset"; + reg = <0x40023818 0x4>; + }; + + reset_apb1: reset@40023820 { + #reset-cells = <1>; + compatible = "st,stm32-reset"; + reg = <0x40023820 0x4>; + }; + + reset_apb2: reset@40023824 { + #reset-cells = <1>; + compatible = "st,stm32-reset"; + reg = <0x40023824 0x4>; + }; + + pin-controller { + #address-cells = <1>; + #size-cells = <1>; + compatible = "st,stm32-pinctrl"; + ranges = <0 0x40020000 0x3000>; + + gpioa: gpio@40020000 { + gpio-controller; + #gpio-cells = <2>; + reg = <0x0 0x400>; + resets = <&reset_ahb1 0>; + st,bank-name = "GPIOA"; + }; + + gpiob: gpio@40020400 { + gpio-controller; + #gpio-cells = <2>; + reg = <0x400 0x400>; + resets = <&reset_ahb1 1>; + st,bank-name = "GPIOB"; + }; + + gpioc: gpio@40020800 { + gpio-controller; + #gpio-cells = <2>; + reg = <0x800 0x400>; + resets = <&reset_ahb1 2>; + st,bank-name = "GPIOC"; + }; + + gpiod: gpio@40020c00 { + gpio-controller; + #gpio-cells = <2>; + reg = <0xc00 0x400>; + resets = <&reset_ahb1 3>; + st,bank-name = "GPIOD"; + }; + + gpioe: gpio@40021000 { + gpio-controller; + #gpio-cells = <2>; + reg = <0x1000 0x400>; + resets = <&reset_ahb1 4>; + st,bank-name = "GPIOE"; + }; + + gpiof: gpio@40021400 { + gpio-controller; + #gpio-cells = <2>; + reg = <0x1400 0x400>; + resets = <&reset_ahb1 5>; + st,bank-name = "GPIOF"; + }; + + gpiog: gpio@40021800 { + gpio-controller; + #gpio-cells = <2>; + reg = <0x1800 0x400>; + resets = <&reset_ahb1 6>; + st,bank-name = "GPIOG"; + }; + + gpioh: gpio@40021c00 { + gpio-controller; + #gpio-cells = <2>; + reg = <0x1c00 0x400>; + resets = <&reset_ahb1 7>; + st,bank-name = "GPIOH"; + }; + + gpioi: gpio@40022000 { + gpio-controller; + #gpio-cells = <2>; + reg = <0x2000 0x400>; + resets = <&reset_ahb1 8>; + st,bank-name = "GPIOI"; + }; + + gpioj: gpio@40022400 { + gpio-controller; + #gpio-cells = <2>; + reg = <0x2400 0x400>; + resets = <&reset_ahb1 9>; + st,bank-name = "GPIOJ"; + }; + + gpiok: gpio@40022800 { + gpio-controller; + #gpio-cells = <2>; + reg = <0x2800 0x400>; + resets = <&reset_ahb1 10>; + st,bank-name = "GPIOK"; + }; + + usart1 { + pinctrl_usart1: usart1-0 { + st,pins { + tx = <&gpioa 9 ALT7 NO_PULL PUSH_PULL LOW_SPEED>; + rx = <&gpioa 10 ALT7 NO_PULL>; + }; + }; + }; + }; + + timer2: timer@40000000 { + compatible = "st,stm32-timer"; + reg = <0x40000000 0x400>; + interrupts = <28>; + resets = <&reset_apb1 0>; + clocks = <&clk_pmtr1>; + + status = "disabled"; + }; + + timer3: timer@40000400 { + compatible = "st,stm32-timer"; + reg = <0x40000400 0x400>; + interrupts = <29>; + resets = <&reset_apb1 1>; + clocks = <&clk_pmtr1>; + + status = "disabled"; + }; + + timer4: timer@40000800 { + compatible = "st,stm32-timer"; + reg = <0x40000800 0x400>; + interrupts = <30>; + resets = <&reset_apb1 2>; + clocks = <&clk_pmtr1>; + + status = "disabled"; + }; + + timer5: timer@40000c00 { + compatible = "st,stm32-timer"; + reg = <0x40000c00 0x400>; + interrupts = <50>; + resets = <&reset_apb1 3>; + clocks = <&clk_pmtr1>; + }; + + timer6: timer@40001000 { + compatible = "st,stm32-timer"; + reg = <0x40001000 0x400>; + interrupts = <55>; + resets = <&reset_apb1 4>; + clocks = <&clk_pmtr1>; + + status = "disabled"; + }; + + timer7: timer@40001400 { + compatible = "st,stm32-timer"; + reg = <0x40001400 0x400>; + interrupts = <55>; + resets = <&reset_apb1 5>; + clocks = <&clk_pmtr1>; + + status = "disabled"; + }; + + usart1: usart@40011000 { + compatible = "st,stm32-usart"; + reg = <0x40011000 0x400>; + interrupts = <37>; + clocks = <&clk_pclk2>; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_usart1>; + + status = "disabled"; + }; + }; +};