This patch adds the DTS source files needed for stm32f746-disco board The files are based on the stm32f429/469 files from current linux kernel.
Signed-off-by: Michael Kurz michi.kurz@gmail.com Acked-by: Vikas MANOCHA vikas.manocha@st.com
---
Changes in v3: - Split pin control files of from device tree patch - Add Acked-by tag to 'add stm32f746-disco device tree files'
Changes in v2: None
arch/arm/dts/Makefile | 2 + arch/arm/dts/armv7-m.dtsi | 24 +++ arch/arm/dts/stm32f746-disco.dts | 154 +++++++++++++++ arch/arm/dts/stm32f746.dtsi | 397 ++++++++++++++++++++++++++++++++++++++ configs/stm32f746-disco_defconfig | 1 + 5 files changed, 578 insertions(+) create mode 100644 arch/arm/dts/armv7-m.dtsi create mode 100644 arch/arm/dts/stm32f746-disco.dts create mode 100644 arch/arm/dts/stm32f746.dtsi
diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile index 2c5b2f2..b340f82 100644 --- a/arch/arm/dts/Makefile +++ b/arch/arm/dts/Makefile @@ -157,6 +157,8 @@ dtb-$(CONFIG_FSL_LSCH2) += fsl-ls1043a-qds-duart.dtb \
dtb-$(CONFIG_ARCH_SNAPDRAGON) += dragonboard410c.dtb
+dtb-$(CONFIG_STM32F7) += stm32f746-disco.dtb + dtb-$(CONFIG_MACH_SUN4I) += \ sun4i-a10-a1000.dtb \ sun4i-a10-ba10-tvbox.dtb \ diff --git a/arch/arm/dts/armv7-m.dtsi b/arch/arm/dts/armv7-m.dtsi new file mode 100644 index 0000000..e0a6bf2 --- /dev/null +++ b/arch/arm/dts/armv7-m.dtsi @@ -0,0 +1,24 @@ +#include "skeleton.dtsi" + +/ { + nvic: interrupt-controller@e000e100 { + compatible = "arm,armv7m-nvic"; + interrupt-controller; + #interrupt-cells = <1>; + reg = <0xe000e100 0xc00>; + }; + + systick: timer@e000e010 { + compatible = "arm,armv7m-systick"; + reg = <0xe000e010 0x10>; + status = "disabled"; + }; + + soc { + #address-cells = <1>; + #size-cells = <1>; + compatible = "simple-bus"; + interrupt-parent = <&nvic>; + ranges; + }; +}; \ No newline at end of file diff --git a/arch/arm/dts/stm32f746-disco.dts b/arch/arm/dts/stm32f746-disco.dts new file mode 100644 index 0000000..7b652f0 --- /dev/null +++ b/arch/arm/dts/stm32f746-disco.dts @@ -0,0 +1,154 @@ +/* + * Copyright 2016 - Michael Kurz michi.kurz@gmail.com + * + * Based on: + * stm32f469-disco.dts from Linux + * Copyright 2016 - Lee Jones lee.jones@linaro.org + * + * This file is dual-licensed: you can use it either under the terms + * of the GPL or the X11 license, at your option. Note that this dual + * licensing only applies to this file, and not this project as a + * whole. + * + * a) This file 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 file 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. + * + * Or, alternatively, + * + * b) Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, + * copy, modify, merge, publish, distribute, sublicense, and/or + * sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following + * conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES + * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT + * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, + * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + */ + +/dts-v1/; +#include "stm32f746.dtsi" + +/ { + model = "STMicroelectronics STM32F746-DISCO board"; + compatible = "st,stm32f746-disco", "st,stm32f746"; + + chosen { + bootargs = "root=/dev/ram rdinit=/linuxrc"; + stdout-path = "serial0:115200n8"; + }; + + memory { + reg = <0xC0000000 0x800000>; + }; + + aliases { + serial0 = &usart1; + spi0 = &qspi; + }; + + soc { + pin-controller { + usart1_pins_disco: usart1@0 { + pins1 { + pinmux = <STM32F746_PA9_FUNC_USART1_TX>; + bias-disable; + drive-push-pull; + slew-rate = <0>; + }; + pins2 { + pinmux = <STM32F746_PA10_FUNC_USART1_RX>; + bias-disable; + }; + }; + + ethernet_pins_disco: ethernet@0 { + pins { + pinmux = <STM32F746_PA1_FUNC_ETH_MII_RX_CLK_ETH_RMII_REF_CLK>, + <STM32F746_PA2_FUNC_ETH_MDIO>, + <STM32F746_PA7_FUNC_ETH_MII_RX_DV_ETH_RMII_CRS_DV>, + <STM32F746_PC1_FUNC_ETH_MDC>, + <STM32F746_PC4_FUNC_ETH_MII_RXD0_ETH_RMII_RXD0>, + <STM32F746_PC5_FUNC_ETH_MII_RXD1_ETH_RMII_RXD1>, + <STM32F746_PG11_FUNC_ETH_MII_TX_EN_ETH_RMII_TX_EN>, + <STM32F746_PG13_FUNC_ETH_MII_TXD0_ETH_RMII_TXD0>, + <STM32F746_PG14_FUNC_ETH_MII_TXD1_ETH_RMII_TXD1>; + slew-rate = <2>; + }; + }; + + qspi_pins_disco: qspi@0 { + pins { + pinmux = <STM32F746_PB2_FUNC_QUADSPI_CLK>, + <STM32F746_PB6_FUNC_QUADSPI_BK1_NCS>, + <STM32F746_PD11_FUNC_QUADSPI_BK1_IO0>, + <STM32F746_PD12_FUNC_QUADSPI_BK1_IO1>, + <STM32F746_PD13_FUNC_QUADSPI_BK1_IO3>, + <STM32F746_PE2_FUNC_QUADSPI_BK1_IO2>; + slew-rate = <2>; + }; + }; + }; + }; +}; + +&clk_hse { + clock-frequency = <25000000>; +}; + +&mac { + status = "okay"; + pinctrl-0 = <ðernet_pins_disco>; + pinctrl-names = "default"; + phy-mode = "rmii"; + phy-handle = <&phy0>; + mdio0 { + #address-cells = <1>; + #size-cells = <0>; + compatible = "snps,dwmac-mdio"; + phy0: ethernet-phy@0 { + reg = <0>; + }; + }; +}; + +&usart1 { + pinctrl-0 = <&usart1_pins_disco>; + pinctrl-names = "default"; + status = "okay"; +}; + +&qspi { + pinctrl-0 = <&qspi_pins_disco>; + pinctrl-names = "default"; + status = "okay"; + + qflash0: n25q128a { + #address-cells = <1>; + #size-cells = <1>; + compatible = "micron,n25q128a13", "spi-flash"; + spi-max-frequency = <108000000>; + spi-tx-bus-width = <4>; + spi-rx-bus-width = <4>; + memory-map = <0x90000000 0x1000000>; + reg = <0>; + }; +}; diff --git a/arch/arm/dts/stm32f746.dtsi b/arch/arm/dts/stm32f746.dtsi new file mode 100644 index 0000000..3a6d1b8 --- /dev/null +++ b/arch/arm/dts/stm32f746.dtsi @@ -0,0 +1,397 @@ +/* + * Copyright 2016 - Michael Kurz michi.kurz@gmail.com + * + * Based on: + * stm32f429.dtsi from Linux + * Copyright 2015 - Maxime Coquelin mcoquelin.stm32@gmail.com + * + * This file is dual-licensed: you can use it either under the terms + * of the GPL or the X11 license, at your option. Note that this dual + * licensing only applies to this file, and not this project as a + * whole. + * + * a) This file 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 file 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. + * + * Or, alternatively, + * + * b) Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, + * copy, modify, merge, publish, distribute, sublicense, and/or + * sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following + * conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES + * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT + * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, + * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + */ + +#include "armv7-m.dtsi" +#include <dt-bindings/pinctrl/stm32f746-pinfunc.h> + +/ { + clocks { + clk_hse: clk-hse { + #clock-cells = <0>; + compatible = "fixed-clock"; + clock-frequency = <0>; + }; + }; + + soc { + dma-ranges = <0xc0000000 0x0 0x10000000>; + + timer2: timer@40000000 { + compatible = "st,stm32-timer"; + reg = <0x40000000 0x400>; + interrupts = <28>; + clocks = <&rcc 0 128>; + status = "disabled"; + }; + + timer3: timer@40000400 { + compatible = "st,stm32-timer"; + reg = <0x40000400 0x400>; + interrupts = <29>; + clocks = <&rcc 0 129>; + status = "disabled"; + }; + + timer4: timer@40000800 { + compatible = "st,stm32-timer"; + reg = <0x40000800 0x400>; + interrupts = <30>; + clocks = <&rcc 0 130>; + status = "disabled"; + }; + + timer5: timer@40000c00 { + compatible = "st,stm32-timer"; + reg = <0x40000c00 0x400>; + interrupts = <50>; + clocks = <&rcc 0 131>; + }; + + timer6: timer@40001000 { + compatible = "st,stm32-timer"; + reg = <0x40001000 0x400>; + interrupts = <54>; + clocks = <&rcc 0 132>; + status = "disabled"; + }; + + timer7: timer@40001400 { + compatible = "st,stm32-timer"; + reg = <0x40001400 0x400>; + interrupts = <55>; + clocks = <&rcc 0 133>; + status = "disabled"; + }; + + usart2: serial@40004400 { + compatible = "st,stm32-usart", "st,stm32-uart"; + reg = <0x40004400 0x400>; + interrupts = <38>; + clocks = <&rcc 0 145>; + status = "disabled"; + }; + + usart3: serial@40004800 { + compatible = "st,stm32-usart", "st,stm32-uart"; + reg = <0x40004800 0x400>; + interrupts = <39>; + clocks = <&rcc 0 146>; + status = "disabled"; + }; + + usart4: serial@40004c00 { + compatible = "st,stm32-uart"; + reg = <0x40004c00 0x400>; + interrupts = <52>; + clocks = <&rcc 0 147>; + status = "disabled"; + }; + + usart5: serial@40005000 { + compatible = "st,stm32-uart"; + reg = <0x40005000 0x400>; + interrupts = <53>; + clocks = <&rcc 0 148>; + status = "disabled"; + }; + + usart7: serial@40007800 { + compatible = "st,stm32-usart", "st,stm32-uart"; + reg = <0x40007800 0x400>; + interrupts = <82>; + clocks = <&rcc 0 158>; + status = "disabled"; + }; + + usart8: serial@40007c00 { + compatible = "st,stm32-usart", "st,stm32-uart"; + reg = <0x40007c00 0x400>; + interrupts = <83>; + clocks = <&rcc 0 159>; + status = "disabled"; + }; + + usart1: serial@40011000 { + compatible = "st,stm32-usart", "st,stm32-uart"; + reg = <0x40011000 0x400>; + interrupts = <37>; + clocks = <&rcc 0 164>; + status = "disabled"; + }; + + usart6: serial@40011400 { + compatible = "st,stm32-usart", "st,stm32-uart"; + reg = <0x40011400 0x400>; + interrupts = <71>; + clocks = <&rcc 0 165>; + status = "disabled"; + }; + + spi1: spi@40013000 { + compatible = "st,stm32-spi"; + #address-cells = <1>; + #size-cells = <0>; + reg = <0x40013000 0x400>; + interrupts = <35>; + clock-names = "spi1"; + clocks = <&rcc 0 172>; + num-cs = <1>; + big-endian; + status = "disabled"; + }; + + syscfg: system-config@40013800 { + compatible = "syscon"; + reg = <0x40013800 0x400>; + }; + + exti: interrupt-controller@40013c00 { + compatible = "st,stm32-exti"; + interrupt-controller; + #interrupt-cells = <2>; + reg = <0x40013C00 0x400>; + interrupts = <1>, + <2>, + <3>, + <6>, + <7>, + <8>, + <9>, + <10>, + <23>, + <40>, + <41>, + <42>, + <62>, + <76>; + }; + + pin-controller { + #address-cells = <1>; + #size-cells = <1>; + compatible = "st,stm32f746-pinctrl"; + ranges = <0 0x40020000 0x3000>; + pins-are-numbered; + + gpioa: gpio@40020000 { + gpio-controller; + #gpio-cells = <2>; + reg = <0x0 0x400>; + clocks = <&rcc 0 0>; + st,bank-name = "GPIOA"; + }; + + gpiob: gpio@40020400 { + gpio-controller; + #gpio-cells = <2>; + reg = <0x400 0x400>; + clocks = <&rcc 0 1>; + st,bank-name = "GPIOB"; + }; + + gpioc: gpio@40020800 { + gpio-controller; + #gpio-cells = <2>; + reg = <0x800 0x400>; + clocks = <&rcc 0 2>; + st,bank-name = "GPIOC"; + }; + + gpiod: gpio@40020c00 { + gpio-controller; + #gpio-cells = <2>; + reg = <0xc00 0x400>; + clocks = <&rcc 0 3>; + st,bank-name = "GPIOD"; + }; + + gpioe: gpio@40021000 { + gpio-controller; + #gpio-cells = <2>; + reg = <0x1000 0x400>; + clocks = <&rcc 0 4>; + st,bank-name = "GPIOE"; + }; + + gpiof: gpio@40021400 { + gpio-controller; + #gpio-cells = <2>; + reg = <0x1400 0x400>; + clocks = <&rcc 0 5>; + st,bank-name = "GPIOF"; + }; + + gpiog: gpio@40021800 { + gpio-controller; + #gpio-cells = <2>; + reg = <0x1800 0x400>; + clocks = <&rcc 0 6>; + st,bank-name = "GPIOG"; + }; + + gpioh: gpio@40021c00 { + gpio-controller; + #gpio-cells = <2>; + reg = <0x1c00 0x400>; + clocks = <&rcc 0 7>; + st,bank-name = "GPIOH"; + }; + + gpioi: gpio@40022000 { + gpio-controller; + #gpio-cells = <2>; + reg = <0x2000 0x400>; + clocks = <&rcc 0 8>; + st,bank-name = "GPIOI"; + }; + + gpioj: gpio@40022400 { + gpio-controller; + #gpio-cells = <2>; + reg = <0x2400 0x400>; + clocks = <&rcc 0 9>; + st,bank-name = "GPIOJ"; + }; + + gpiok: gpio@40022800 { + gpio-controller; + #gpio-cells = <2>; + reg = <0x2800 0x400>; + clocks = <&rcc 0 10>; + st,bank-name = "GPIOK"; + }; + }; + + rcc: rcc@40023810 { + #reset-cells = <1>; + #clock-cells = <2>; + compatible = "st,stm32f42xx-rcc", "st,stm32-rcc"; + reg = <0x40023800 0x400>; + clocks = <&clk_hse>; + }; + + dma1: dma-controller@40026000 { + compatible = "st,stm32-dma"; + reg = <0x40026000 0x400>; + interrupts = <11>, + <12>, + <13>, + <14>, + <15>, + <16>, + <17>, + <47>; + clocks = <&rcc 0 21>; + #dma-cells = <4>; + }; + + dma2: dma-controller@40026400 { + compatible = "st,stm32-dma"; + reg = <0x40026400 0x400>; + interrupts = <56>, + <57>, + <58>, + <59>, + <60>, + <68>, + <69>, + <70>; + clocks = <&rcc 0 22>; + #dma-cells = <4>; + st,mem2mem; + }; + + mac: ethernet@40028000 { + compatible = "st,stm32-dwmac", "snps,dwmac-3.50a"; + reg = <0x40028000 0x8000>; + reg-names = "stmmaceth"; + interrupts = <61>, <62>; + interrupt-names = "macirq", "eth_wake_irq"; + clock-names = "stmmaceth", "mac-clk-tx", "mac-clk-rx"; + clocks = <&rcc 0 25>, <&rcc 0 26>, <&rcc 0 27>; + st,syscon = <&syscfg 0x4>; + snps,pbl = <8>; + snps,mixed-burst; + dma-ranges; + status = "disabled"; + }; + + usbotg_hs: usb@40040000 { + compatible = "snps,dwc2"; + dma-ranges; + reg = <0x40040000 0x40000>; + interrupts = <77>; + clocks = <&rcc 0 29>; + clock-names = "otg"; + status = "disabled"; + }; + + rng: rng@50060800 { + compatible = "st,stm32-rng"; + reg = <0x50060800 0x400>; + interrupts = <80>; + clocks = <&rcc 0 38>; + }; + + qspi: quadspi@A0001000 { + compatible = "st,stm32-qspi"; + #address-cells = <1>; + #size-cells = <0>; + reg = <0xA0001000 0x1000>, <0x90000000 0x10000000>; + reg-names = "QuadSPI", "QuadSPI-memory"; + interrupts = <92>; + clock-names = "qspi"; + clocks = <&rcc 0 65>; + spi-max-frequency = <108000000>; + status = "disabled"; + }; + }; +}; + +&systick { + clocks = <&rcc 1 0>; + status = "okay"; +}; diff --git a/configs/stm32f746-disco_defconfig b/configs/stm32f746-disco_defconfig index 6d71d0a..7f6a442 100644 --- a/configs/stm32f746-disco_defconfig +++ b/configs/stm32f746-disco_defconfig @@ -2,6 +2,7 @@ CONFIG_ARM=y CONFIG_STM32=y CONFIG_STM32F7=y CONFIG_TARGET_STM32F746_DISCO=y +CONFIG_DEFAULT_DEVICE_TREE="stm32f746-disco" CONFIG_BOOTDELAY=3 # CONFIG_DISPLAY_CPUINFO is not set # CONFIG_DISPLAY_BOARDINFO is not set