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Message-Id: <1423763164-5606-13-git-send-email-mcoquelin.stm32@gmail.com>
Date: Thu, 12 Feb 2015 18:46:02 +0100
From: Maxime Coquelin <mcoquelin.stm32@...il.com>
To: Jonathan Corbet <corbet@....net>,
Maxime Coquelin <mcoquelin.stm32@...il.com>,
Rob Herring <robh+dt@...nel.org>,
Pawel Moll <pawel.moll@....com>,
Mark Rutland <mark.rutland@....com>,
Ian Campbell <ijc+devicetree@...lion.org.uk>,
Kumar Gala <galak@...eaurora.org>,
Philipp Zabel <p.zabel@...gutronix.de>,
Russell King <linux@....linux.org.uk>,
Daniel Lezcano <daniel.lezcano@...aro.org>,
Thomas Gleixner <tglx@...utronix.de>,
Linus Walleij <linus.walleij@...aro.org>,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
Jiri Slaby <jslaby@...e.cz>, Arnd Bergmann <arnd@...db.de>,
Andrew Morton <akpm@...ux-foundation.org>,
"David S. Miller" <davem@...emloft.net>,
Mauro Carvalho Chehab <mchehab@....samsung.com>,
Joe Perches <joe@...ches.com>, Antti Palosaari <crope@....fi>,
Tejun Heo <tj@...nel.org>, Will Deacon <will.deacon@....com>,
Nikolay Borisov <Nikolay.Borisov@....com>,
Rusty Russell <rusty@...tcorp.com.au>,
Kees Cook <keescook@...omium.org>,
Michal Marek <mmarek@...e.cz>, linux-doc@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
devicetree@...r.kernel.org, linux-gpio@...r.kernel.org,
linux-serial@...r.kernel.org, linux-arch@...r.kernel.org,
linux-api@...r.kernel.org
Subject: [PATCH 12/14] ARM: dts: Introduce STM32F429 MCU
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 <mcoquelin.stm32@...il.com>
---
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@...11000 {
+ 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 <dt-bindings/pinctrl/pinctrl-stm32.h>
+
+/ {
+
+ 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@...23810 {
+ #reset-cells = <1>;
+ compatible = "st,stm32-reset";
+ reg = <0x40023810 0x4>;
+ };
+
+ reset_ahb2: reset@...23814 {
+ #reset-cells = <1>;
+ compatible = "st,stm32-reset";
+ reg = <0x40023814 0x4>;
+ };
+
+ reset_ahb3: reset@...23818 {
+ #reset-cells = <1>;
+ compatible = "st,stm32-reset";
+ reg = <0x40023818 0x4>;
+ };
+
+ reset_apb1: reset@...23820 {
+ #reset-cells = <1>;
+ compatible = "st,stm32-reset";
+ reg = <0x40023820 0x4>;
+ };
+
+ reset_apb2: reset@...23824 {
+ #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@...20000 {
+ gpio-controller;
+ #gpio-cells = <2>;
+ reg = <0x0 0x400>;
+ resets = <&reset_ahb1 0>;
+ st,bank-name = "GPIOA";
+ };
+
+ gpiob: gpio@...20400 {
+ gpio-controller;
+ #gpio-cells = <2>;
+ reg = <0x400 0x400>;
+ resets = <&reset_ahb1 1>;
+ st,bank-name = "GPIOB";
+ };
+
+ gpioc: gpio@...20800 {
+ gpio-controller;
+ #gpio-cells = <2>;
+ reg = <0x800 0x400>;
+ resets = <&reset_ahb1 2>;
+ st,bank-name = "GPIOC";
+ };
+
+ gpiod: gpio@...20c00 {
+ gpio-controller;
+ #gpio-cells = <2>;
+ reg = <0xc00 0x400>;
+ resets = <&reset_ahb1 3>;
+ st,bank-name = "GPIOD";
+ };
+
+ gpioe: gpio@...21000 {
+ gpio-controller;
+ #gpio-cells = <2>;
+ reg = <0x1000 0x400>;
+ resets = <&reset_ahb1 4>;
+ st,bank-name = "GPIOE";
+ };
+
+ gpiof: gpio@...21400 {
+ gpio-controller;
+ #gpio-cells = <2>;
+ reg = <0x1400 0x400>;
+ resets = <&reset_ahb1 5>;
+ st,bank-name = "GPIOF";
+ };
+
+ gpiog: gpio@...21800 {
+ gpio-controller;
+ #gpio-cells = <2>;
+ reg = <0x1800 0x400>;
+ resets = <&reset_ahb1 6>;
+ st,bank-name = "GPIOG";
+ };
+
+ gpioh: gpio@...21c00 {
+ gpio-controller;
+ #gpio-cells = <2>;
+ reg = <0x1c00 0x400>;
+ resets = <&reset_ahb1 7>;
+ st,bank-name = "GPIOH";
+ };
+
+ gpioi: gpio@...22000 {
+ gpio-controller;
+ #gpio-cells = <2>;
+ reg = <0x2000 0x400>;
+ resets = <&reset_ahb1 8>;
+ st,bank-name = "GPIOI";
+ };
+
+ gpioj: gpio@...22400 {
+ gpio-controller;
+ #gpio-cells = <2>;
+ reg = <0x2400 0x400>;
+ resets = <&reset_ahb1 9>;
+ st,bank-name = "GPIOJ";
+ };
+
+ gpiok: gpio@...22800 {
+ 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@...00000 {
+ compatible = "st,stm32-timer";
+ reg = <0x40000000 0x400>;
+ interrupts = <28>;
+ resets = <&reset_apb1 0>;
+ clocks = <&clk_pmtr1>;
+
+ status = "disabled";
+ };
+
+ timer3: timer@...00400 {
+ compatible = "st,stm32-timer";
+ reg = <0x40000400 0x400>;
+ interrupts = <29>;
+ resets = <&reset_apb1 1>;
+ clocks = <&clk_pmtr1>;
+
+ status = "disabled";
+ };
+
+ timer4: timer@...00800 {
+ compatible = "st,stm32-timer";
+ reg = <0x40000800 0x400>;
+ interrupts = <30>;
+ resets = <&reset_apb1 2>;
+ clocks = <&clk_pmtr1>;
+
+ status = "disabled";
+ };
+
+ timer5: timer@...00c00 {
+ compatible = "st,stm32-timer";
+ reg = <0x40000c00 0x400>;
+ interrupts = <50>;
+ resets = <&reset_apb1 3>;
+ clocks = <&clk_pmtr1>;
+ };
+
+ timer6: timer@...01000 {
+ compatible = "st,stm32-timer";
+ reg = <0x40001000 0x400>;
+ interrupts = <55>;
+ resets = <&reset_apb1 4>;
+ clocks = <&clk_pmtr1>;
+
+ status = "disabled";
+ };
+
+ timer7: timer@...01400 {
+ compatible = "st,stm32-timer";
+ reg = <0x40001400 0x400>;
+ interrupts = <55>;
+ resets = <&reset_apb1 5>;
+ clocks = <&clk_pmtr1>;
+
+ status = "disabled";
+ };
+
+ usart1: usart@...11000 {
+ compatible = "st,stm32-usart";
+ reg = <0x40011000 0x400>;
+ interrupts = <37>;
+ clocks = <&clk_pclk2>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_usart1>;
+
+ status = "disabled";
+ };
+ };
+};
--
1.9.1
--
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