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u-boot/arch/arm/dts/stm32f746-disco.dts

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/*
* Copyright 2016 - Michael Kurz <michi.kurz@gmail.com>
* Copyright 2016 - Vikas MANOCHA <vikas.manocha@st.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"
#include <dt-bindings/memory/stm32-sdram.h>
#include <dt-bindings/gpio/gpio.h>
/ {
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;
mmc0 = &sdio;
/* Aliases for gpios so as to use sequence */
gpio0 = &gpioa;
gpio1 = &gpiob;
gpio2 = &gpioc;
gpio3 = &gpiod;
gpio4 = &gpioe;
gpio5 = &gpiof;
gpio6 = &gpiog;
gpio7 = &gpioh;
gpio8 = &gpioi;
gpio9 = &gpioj;
gpio10 = &gpiok;
};
led1 {
compatible = "st,led1";
led-gpio = <&gpioi 1 0>;
};
button1 {
compatible = "st,button1";
button-gpio = <&gpioi 11 0>;
};
backlight: backlight {
compatible = "gpio-backlight";
gpios = <&gpiok 3 0>;
status = "okay";
};
panel-rgb@0 {
compatible = "simple-panel";
backlight = <&backlight>;
enable-gpios = <&gpioi 12 0>;
status = "okay";
display-timings {
timing@0 {
clock-frequency = <9000000>;
hactive = <480>;
vactive = <272>;
hfront-porch = <2>;
hback-porch = <2>;
hsync-len = <41>;
vfront-porch = <2>;
vback-porch = <2>;
vsync-len = <10>;
hsync-active = <0>;
vsync-active = <0>;
de-active = <0>;
pixelclk-active = <1>;
};
};
};
};
&clk_hse {
clock-frequency = <25000000>;
};
&pinctrl {
usart1_pins_a: usart1@0 {
pins1 {
pinmux = <STM32F746_PA9_FUNC_USART1_TX>;
bias-disable;
drive-push-pull;
slew-rate = <2>;
};
pins2 {
pinmux = <STM32F746_PB7_FUNC_USART1_RX>;
bias-disable;
};
};
ethernet_mii: mii@0 {
pins {
pinmux = <STM32F746_PG13_FUNC_ETH_MII_TXD0_ETH_RMII_TXD0>,
<STM32F746_PG14_FUNC_ETH_MII_TXD1_ETH_RMII_TXD1>,
<STM32F746_PG11_FUNC_ETH_MII_TX_EN_ETH_RMII_TX_EN>,
<STM32F746_PA2_FUNC_ETH_MDIO>,
<STM32F746_PC1_FUNC_ETH_MDC>,
<STM32F746_PA1_FUNC_ETH_MII_RX_CLK_ETH_RMII_REF_CLK>,
<STM32F746_PA7_FUNC_ETH_MII_RX_DV_ETH_RMII_CRS_DV>,
<STM32F746_PC4_FUNC_ETH_MII_RXD0_ETH_RMII_RXD0>,
<STM32F746_PC5_FUNC_ETH_MII_RXD1_ETH_RMII_RXD1>;
slew-rate = <2>;
};
};
qspi_pins: 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>;
};
};
fmc_pins: fmc@0 {
pins {
pinmux = <STM32F746_PD10_FUNC_FMC_D15>,
<STM32F746_PD9_FUNC_FMC_D14>,
<STM32F746_PD8_FUNC_FMC_D13>,
<STM32F746_PE15_FUNC_FMC_D12>,
<STM32F746_PE14_FUNC_FMC_D11>,
<STM32F746_PE13_FUNC_FMC_D10>,
<STM32F746_PE12_FUNC_FMC_D9>,
<STM32F746_PE11_FUNC_FMC_D8>,
<STM32F746_PE10_FUNC_FMC_D7>,
<STM32F746_PE9_FUNC_FMC_D6>,
<STM32F746_PE8_FUNC_FMC_D5>,
<STM32F746_PE7_FUNC_FMC_D4>,
<STM32F746_PD1_FUNC_FMC_D3>,
<STM32F746_PD0_FUNC_FMC_D2>,
<STM32F746_PD15_FUNC_FMC_D1>,
<STM32F746_PD14_FUNC_FMC_D0>,
<STM32F746_PE1_FUNC_FMC_NBL1>,
<STM32F746_PE0_FUNC_FMC_NBL0>,
<STM32F746_PG5_FUNC_FMC_A15_FMC_BA1>,
<STM32F746_PG4_FUNC_FMC_A14_FMC_BA0>,
<STM32F746_PG1_FUNC_FMC_A11>,
<STM32F746_PG0_FUNC_FMC_A10>,
<STM32F746_PF15_FUNC_FMC_A9>,
<STM32F746_PF14_FUNC_FMC_A8>,
<STM32F746_PF13_FUNC_FMC_A7>,
<STM32F746_PF12_FUNC_FMC_A6>,
<STM32F746_PF5_FUNC_FMC_A5>,
<STM32F746_PF4_FUNC_FMC_A4>,
<STM32F746_PF3_FUNC_FMC_A3>,
<STM32F746_PF2_FUNC_FMC_A2>,
<STM32F746_PF1_FUNC_FMC_A1>,
<STM32F746_PF0_FUNC_FMC_A0>,
<STM32F746_PH3_FUNC_FMC_SDNE0>,
<STM32F746_PH5_FUNC_FMC_SDNWE>,
<STM32F746_PF11_FUNC_FMC_SDNRAS>,
<STM32F746_PG15_FUNC_FMC_SDNCAS>,
<STM32F746_PC3_FUNC_FMC_SDCKE0>,
<STM32F746_PG8_FUNC_FMC_SDCLK>;
slew-rate = <2>;
};
};
ltdc_pins: ltdc@0 {
pins {
pinmux = <STM32F746_PE4_FUNC_LCD_B0>,
<STM32F746_PG12_FUNC_LCD_B4>,
<STM32F746_PI9_FUNC_LCD_VSYNC>,
<STM32F746_PI10_FUNC_LCD_HSYNC>,
<STM32F746_PI14_FUNC_LCD_CLK>,
<STM32F746_PI15_FUNC_LCD_R0>,
<STM32F746_PJ0_FUNC_LCD_R1>,
<STM32F746_PJ1_FUNC_LCD_R2>,
<STM32F746_PJ2_FUNC_LCD_R3>,
<STM32F746_PJ3_FUNC_LCD_R4>,
<STM32F746_PJ4_FUNC_LCD_R5>,
<STM32F746_PJ5_FUNC_LCD_R6>,
<STM32F746_PJ6_FUNC_LCD_R7>,
<STM32F746_PJ7_FUNC_LCD_G0>,
<STM32F746_PJ8_FUNC_LCD_G1>,
<STM32F746_PJ9_FUNC_LCD_G2>,
<STM32F746_PJ10_FUNC_LCD_G3>,
<STM32F746_PJ11_FUNC_LCD_G4>,
<STM32F746_PJ13_FUNC_LCD_B1>,
<STM32F746_PJ14_FUNC_LCD_B2>,
<STM32F746_PJ15_FUNC_LCD_B3>,
<STM32F746_PK0_FUNC_LCD_G5>,
<STM32F746_PK1_FUNC_LCD_G6>,
<STM32F746_PK2_FUNC_LCD_G7>,
<STM32F746_PK4_FUNC_LCD_B5>,
<STM32F746_PK5_FUNC_LCD_B6>,
<STM32F746_PK6_FUNC_LCD_B7>,
<STM32F746_PK7_FUNC_LCD_DE>;
slew-rate = <2>;
};
};
};
&usart1 {
pinctrl-0 = <&usart1_pins_a>;
pinctrl-names = "default";
status = "okay";
};
&fmc {
pinctrl-0 = <&fmc_pins>;
pinctrl-names = "default";
status = "okay";
/* Memory configuration from sdram datasheet MT48LC_4M32_B2B5-6A */
bank1: bank@0 {
st,sdram-control = /bits/ 8 <NO_COL_8 NO_ROW_12 MWIDTH_16 BANKS_4
CAS_3 SDCLK_2 RD_BURST_EN
RD_PIPE_DL_0>;
st,sdram-timing = /bits/ 8 <TMRD_2 TXSR_6 TRAS_4 TRC_6 TWR_2
TRP_2 TRCD_2>;
/* refcount = (64msec/total_row_sdram)*freq - 20 */
st,sdram-refcount = < 1542 >;
};
};
&mac {
status = "okay";
pinctrl-0 = <&ethernet_mii>;
phy-mode = "rmii";
phy-handle = <&phy0>;
mdio0 {
#address-cells = <1>;
#size-cells = <0>;
compatible = "snps,dwmac-mdio";
phy0: ethernet-phy@0 {
reg = <0>;
};
};
};
&qspi {
pinctrl-0 = <&qspi_pins>;
status = "okay";
qflash0: n25q128a {
#address-cells = <1>;
#size-cells = <1>;
compatible = "micron,n25q128a13", "jedec,spi-nor";
spi-max-frequency = <108000000>;
spi-tx-bus-width = <1>;
spi-rx-bus-width = <1>;
memory-map = <0x90000000 0x1000000>;
reg = <0>;
};
};
&sdio {
status = "okay";
cd-gpios = <&gpioc 13 GPIO_ACTIVE_LOW>;
pinctrl-names = "default", "opendrain";
pinctrl-0 = <&sdio_pins>;
pinctrl-1 = <&sdio_pins_od>;
bus-width = <4>;
max-frequency = <25000000>;
};
&ltdc {
status = "okay";
pinctrl-0 = <&ltdc_pins>;
};
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