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>
51 #include <dt-bindings/gpio/gpio.h>
54 	model = "STMicroelectronics STM32F746-DISCO board";
55 	compatible = "st,stm32f746-disco", "st,stm32f746";
59 		stdout-path = "serial0:115200n8";
86 		led-gpio = <&gpioi 1 0>;
91 		button-gpio = <&gpioi 11 0>;
95 		compatible = "gpio-backlight";
100 	panel-rgb@0 {
101 		compatible = "simple-panel";
103 		enable-gpios = <&gpioi 12 0>;
106 		display-timings {
108 				clock-frequency = <9000000>;
111 				hfront-porch = <2>;
112 				hback-porch = <2>;
113 				hsync-len = <41>;
114 				vfront-porch = <2>;
115 				vback-porch = <2>;
116 				vsync-len = <10>;
117 				hsync-active = <0>;
118 				vsync-active = <0>;
119 				de-active = <0>;
120 				pixelclk-active = <1>;
127 	clock-frequency = <25000000>;
134 				bias-disable;
135 				drive-push-pull;
136 				slew-rate = <2>;
140 			bias-disable;
155 		      slew-rate = <2>;
167 			slew-rate = <2>;
215 			  slew-rate = <2>;
219 	ltdc_pins: ltdc@0 {
249 			slew-rate = <2>;
255 	pinctrl-0 = <&usart1_pins_a>;
256 	pinctrl-names = "default";
261 	pinctrl-0 = <&fmc_pins>;
262 	pinctrl-names = "default";
265 	/* Memory configuration from sdram datasheet MT48LC_4M32_B2B5-6A */
267 	       st,sdram-control = /bits/ 8 <NO_COL_8 NO_ROW_12 MWIDTH_16 BANKS_4
270 	       st,sdram-timing = /bits/ 8 <TMRD_2 TXSR_6 TRAS_4 TRC_6 TWR_2
272 		/* refcount = (64msec/total_row_sdram)*freq - 20 */
273 	       st,sdram-refcount = < 1542 >;
279 	pinctrl-0 = <&ethernet_mii>;
280 	phy-mode = "rmii";
281 	phy-handle = <&phy0>;
284 		#address-cells = <1>;
285 		#size-cells = <0>;
286 		compatible = "snps,dwmac-mdio";
287 		phy0: ethernet-phy@0 {
294 	pinctrl-0 = <&qspi_pins>;
298 			#address-cells = <1>;
299 			#size-cells = <1>;
300 			compatible = "micron,n25q128a13", "spi-flash";
301 			spi-max-frequency = <108000000>;
302 			spi-tx-bus-width = <1>;
303 			spi-rx-bus-width = <1>;
304 			memory-map = <0x90000000 0x1000000>;
311 	cd-gpios = <&gpioc 13 GPIO_ACTIVE_LOW>;
312 	pinctrl-names = "default", "opendrain";
313 	pinctrl-0 = <&sdio_pins>;
314 	pinctrl-1 = <&sdio_pins_od>;
315 	bus-width = <4>;
316 	max-frequency = <25000000>;
319 &ltdc {
321 	pinctrl-0 = <&ltdc_pins>;