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zephyr/boards/arm/stm32f746g_disco/stm32f746g_disco.dts
Tomislav Milkovic ba90be0681 boards: arm: stm32f746g_disco: add support for LTDC 
Add LTDC config and pinctrl in board DTS
Modify defconfig so KSCAN and MEMC drivers are enabled if
display is enabled
Update board doc and yaml

Signed-off-by: Tomislav Milkovic <tomislav.milkovic95@gmail.com>
2022-05-12 09:21:46 +02:00

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/*
* Copyright (c) 2018 Yurii Hamann
*
* SPDX-License-Identifier: Apache-2.0
*/
/dts-v1/;
#include <st/f7/stm32f746Xg.dtsi>
#include <st/f7/stm32f746nghx-pinctrl.dtsi>
#include "arduino_r3_connector.dtsi"
/ {
model = "STMicroelectronics STM32F746G DISCOVERY board";
compatible = "st,stm32f746g-disco";
chosen {
zephyr,console = &usart1;
zephyr,shell-uart = &usart1;
zephyr,sram = &sram0;
zephyr,flash = &flash0;
zephyr,dtcm = &dtcm;
zephyr,flash-controller = &n25q128a1;
zephyr,display = &ltdc;
};
leds {
compatible = "gpio-leds";
green_led_1: led_1 {
gpios = <&gpioi 1 GPIO_ACTIVE_HIGH>;
label = "User LD1";
};
};
gpio_keys {
compatible = "gpio-keys";
user_button: button {
label = "User";
gpios = <&gpioi 11 GPIO_ACTIVE_HIGH>;
};
};
sdram1: sdram@c0000000 {
compatible = "zephyr,memory-region", "mmio-sram";
device_type = "memory";
reg = <0xc0000000 DT_SIZE_M(16)>;
zephyr,memory-region = "SDRAM1";
};
aliases {
led0 = &green_led_1;
sw0 = &user_button;
kscan0 = &touch_controller;
};
};
&clk_hse {
clock-frequency = <DT_FREQ_M(25)>;
status = "okay";
};
&pll {
div-m = <25>;
mul-n = <432>;
div-p = <2>;
div-q = <9>;
clocks = <&clk_hse>;
status = "okay";
};
&rcc {
clocks = <&pll>;
clock-frequency = <DT_FREQ_M(216)>;
ahb-prescaler = <1>;
apb1-prescaler = <4>;
apb2-prescaler = <2>;
};
&i2c1 {
pinctrl-0 = <&i2c1_scl_pb8 &i2c1_sda_pb9>;
pinctrl-names = "default";
status = "okay";
clock-frequency = <I2C_BITRATE_FAST>;
};
&i2c3 {
pinctrl-0 = <&i2c3_scl_ph7 &i2c3_sda_ph8>;
pinctrl-names = "default";
status = "okay";
clock-frequency = <I2C_BITRATE_FAST>;
touch_controller: ft5336@38 {
compatible = "focaltech,ft5336";
reg = <0x38>;
label = "FT5336";
int-gpios = <&gpioi 13 0>;
};
};
&spi2 {
pinctrl-0 = <&spi2_sck_pi1 &spi2_miso_pb14 &spi2_mosi_pb15>;
pinctrl-names = "default";
cs-gpios = <&gpioa 8 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>;
status = "okay";
};
&usart1 {
pinctrl-0 = <&usart1_tx_pa9 &usart1_rx_pb7>;
pinctrl-names = "default";
current-speed = <115200>;
status = "okay";
};
&usart6 {
pinctrl-0 = <&usart6_tx_pc6 &usart6_rx_pc7>;
pinctrl-names = "default";
current-speed = <115200>;
status = "okay";
};
zephyr_udc0: &usbotg_fs {
pinctrl-0 = <&usb_otg_fs_dm_pa11 &usb_otg_fs_dp_pa12>;
pinctrl-names = "default";
status = "okay";
};
&timers3 {
st,prescaler = <10000>;
status = "okay";
pwm3: pwm {
status = "okay";
pinctrl-0 = <&tim3_ch1_pb4>;
pinctrl-names = "default";
};
};
&rtc {
status = "okay";
};
&sdmmc1 {
status = "okay";
pinctrl-0 = <&sdmmc1_d0_pc8 &sdmmc1_d1_pc9
&sdmmc1_d2_pc10 &sdmmc1_d3_pc11
&sdmmc1_ck_pc12 &sdmmc1_cmd_pd2>;
pinctrl-names = "default";
cd-gpios = <&gpioc 13 GPIO_ACTIVE_LOW>;
};
&mac {
status = "okay";
pinctrl-0 = <&eth_mdc_pc1
&eth_rxd0_pc4
&eth_rxd1_pc5
&eth_ref_clk_pa1
&eth_mdio_pa2
&eth_crs_dv_pa7
&eth_tx_en_pg11
&eth_txd0_pg13
&eth_txd1_pg14>;
pinctrl-names = "default";
};
&quadspi {
pinctrl-0 = <&quadspi_clk_pb2 &quadspi_bk1_ncs_pb6
&quadspi_bk1_io0_pd11 &quadspi_bk1_io1_pd12
&quadspi_bk1_io2_pe2 &quadspi_bk1_io3_pd13>;
pinctrl-names = "default";
status = "okay";
n25q128a1: qspi-nor-flash@0 {
compatible = "st,stm32-qspi-nor";
label = "N25Q128A1";
reg = <0>;
qspi-max-frequency = <72000000>;
size = <DT_SIZE_M(16*8)>;
status = "okay";
partitions {
compatible = "fixed-partitions";
#address-cells = <1>;
#size-cells = <1>;
slot1_partition: partition@0 {
label = "image-1";
reg = <0x00000000 DT_SIZE_K(640)>;
};
storage_partition: partition@a0000 {
label = "storage";
reg = <0x000a0000 DT_SIZE_M(15)>;
};
};
};
};
&fmc {
pinctrl-0 = <&fmc_nbl0_pe0 &fmc_nbl1_pe1
&fmc_sdclk_pg8 &fmc_sdnwe_ph5 &fmc_sdcke0_pc3
&fmc_sdne0_ph3 &fmc_sdnras_pf11 &fmc_sdncas_pg15
&fmc_a0_pf0 &fmc_a1_pf1 &fmc_a2_pf2 &fmc_a3_pf3 &fmc_a4_pf4
&fmc_a5_pf5 &fmc_a6_pf12 &fmc_a7_pf13 &fmc_a8_pf14
&fmc_a9_pf15 &fmc_a10_pg0 &fmc_a11_pg1
&fmc_a14_pg4 &fmc_a15_pg5 &fmc_d0_pd14 &fmc_d1_pd15
&fmc_d2_pd0 &fmc_d3_pd1 &fmc_d4_pe7 &fmc_d5_pe8 &fmc_d6_pe9
&fmc_d7_pe10 &fmc_d8_pe11 &fmc_d9_pe12 &fmc_d10_pe13
&fmc_d11_pe14 &fmc_d12_pe15 &fmc_d13_pd8 &fmc_d14_pd9
&fmc_d15_pd10>;
pinctrl-names = "default";
status = "okay";
sdram {
status = "okay";
power-up-delay = <100>;
num-auto-refresh = <8>;
mode-register = <0x220>;
/*
* Auto refresh command shall be issued every 15.625 us
* and is calculated as ((15.625 * SDRAM_CLK_MHZ) - 20)
* Note: SDRAM_CLK_MHZ = HCLK_MHZ / 2 (108 MHz)
*/
refresh-rate = <1667>;
bank@0 {
reg = <0>;
st,sdram-control = <STM32_FMC_SDRAM_NC_8
STM32_FMC_SDRAM_NR_12
STM32_FMC_SDRAM_MWID_16
STM32_FMC_SDRAM_NB_4
STM32_FMC_SDRAM_CAS_2
STM32_FMC_SDRAM_SDCLK_PERIOD_2
STM32_FMC_SDRAM_RBURST_ENABLE
STM32_FMC_SDRAM_RPIPE_0>;
st,sdram-timing = <2 6 4 6 2 2 2>;
};
};
};
&ltdc {
pinctrl-0 = <&ltdc_r0_pi15 &ltdc_r1_pj0 &ltdc_r2_pj1 &ltdc_r3_pj2
&ltdc_r4_pj3 &ltdc_r5_pj4 &ltdc_r6_pj5 &ltdc_r7_pj6
&ltdc_g0_pj7 &ltdc_g1_pj8 &ltdc_g2_pj9 &ltdc_g3_pj10
&ltdc_g4_pj11 &ltdc_g5_pk0 &ltdc_g6_pk1 &ltdc_g7_pk2
&ltdc_b0_pe4 &ltdc_b1_pj13 &ltdc_b2_pj14 &ltdc_b3_pj15
&ltdc_b4_pg12 &ltdc_b5_pk4 &ltdc_b6_pk5 &ltdc_b7_pk6
&ltdc_de_pk7 &ltdc_clk_pi14 &ltdc_hsync_pi10 &ltdc_vsync_pi9>;
pinctrl-names = "default";
disp-on-gpios = <&gpioi 12 GPIO_ACTIVE_HIGH>;
bl-ctrl-gpios = <&gpiok 3 GPIO_ACTIVE_HIGH>;
ext-sdram = <&sdram1>;
status = "okay";
width = <480>;
height = <272>;
hsync-pol = <STM32_LTDC_HSPOL_ACTIVE_LOW>;
vsync-pol = <STM32_LTDC_VSPOL_ACTIVE_LOW>;
de-pol = <STM32_LTDC_DEPOL_ACTIVE_LOW>;
pclk-pol = <STM32_LTDC_PCPOL_ACTIVE_LOW>;
hsync-duration = <1>;
vsync-duration = <10>;
hbp-duration = <43>;
vbp-duration = <12>;
hfp-duration = <8>;
vfp-duration = <4>;
def-back-color-red = <0xFF>;
def-back-color-green = <0xFF>;
def-back-color-blue = <0xFF>;
};
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