arm/dts/stm32f746-disco.dts

2  * Copyright 2016 - Michael Kurz <michi.kurz@gmail.com>
3  * Copyright 2016 - Vikas MANOCHA <vikas.manocha@st.com>
6  * stm32f469-disco.dts from Linux
7  * Copyright 2016 - Lee Jones <lee.jones@linaro.org>
9  * This file is dual-licensed: you can use it either under the terms
48 /dts-v1/;
50 #include <dt-bindings/memory/stm32-sdram.h>
53 	model = "STMicroelectronics STM32F746-DISCO board";
54 	compatible = "st,stm32f746-disco", "st,stm32f746";
58 		stdout-path = "serial0:115200n8";
67 		spi0 = &qspi;
84 		led-gpio = <&gpioi 1 0>;
89 		button-gpio = <&gpioi 11 0>;
94 	clock-frequency = <25000000>;
101 				bias-disable;
102 				drive-push-pull;
103 				slew-rate = <2>;
107 			bias-disable;
122 		      slew-rate = <2>;
126 	qspi_pins: qspi@0 {
134 			slew-rate = <2>;
182 			  slew-rate = <2>;
188 	pinctrl-0 = <&usart1_pins_a>;
189 	pinctrl-names = "default";
194 	pinctrl-0 = <&fmc_pins>;
195 	pinctrl-names = "default";
198 	/* Memory configuration from sdram datasheet MT48LC_4M32_B2B5-6A */
200 	       st,sdram-control = /bits/ 8 <NO_COL_8 NO_ROW_12 MWIDTH_16 BANKS_4
203 	       st,sdram-timing = /bits/ 8 <TMRD_2 TXSR_6 TRAS_4 TRC_6 TWR_2
205 		/* refcount = (64msec/total_row_sdram)*freq - 20 */
206 	       st,sdram-refcount = < 1542 >;
212 	pinctrl-0 = <&ethernet_mii>;
213 	phy-mode = "rmii";
214 	phy-handle = <&phy0>;
217 		#address-cells = <1>;
218 		#size-cells = <0>;
219 		compatible = "snps,dwmac-mdio";
220 		phy0: ethernet-phy@0 {
226 &qspi {
227 	pinctrl-0 = <&qspi_pins>;
231 			#address-cells = <1>;
232 			#size-cells = <1>;
233 			compatible = "micron,n25q128a13", "spi-flash";
234 			spi-max-frequency = <108000000>;
235 			spi-tx-bus-width = <1>;
236 			spi-rx-bus-width = <1>;
237 			memory-map = <0x90000000 0x1000000>;