michaelh/zephyr
1
0
Fork 0
Code Releases Activity

boards: weact: mini_stm32h743: update ST7735R dts configuration

Browse source 
Update dts to use ST7735R via MIPI DBI API.

Also, remove the reset-gpios, as on this board the LCD RESET pin is
directly connected to the system reset. And add LCD backlight pin
connected to PE10.

Signed-off-by: Charles Dias <charlesdias.cd@outlook.com>
This commit is contained in:
Charles Dias 2024-05-23 17:03:47 -03:00 • committed by David Leach
commit 020109842f
1 changed files with 50 additions and 32 deletions
Download patch file Download diff file Expand all files Collapse all files

82
boards/weact/mini_stm32h743/mini_stm32h743.dts
View file

@ -8,6 +8,7 @@
#include <st/h7/stm32h743Xi.dtsi>
#include <st/h7/stm32h743vitx-pinctrl.dtsi>
#include <zephyr/dt-bindings/input/input-event-codes.h>
#include <zephyr/dt-bindings/mipi_dbi/mipi_dbi.h>
/ {
model = "WeAct Studio MiniSTM32H743 Core Board";
@ -18,7 +19,7 @@
zephyr,shell-uart = &usb_cdc_acm_uart;
zephyr,sram = &sram0;
zephyr,flash = &flash0;
zephyr,display = &st7735r_tft;
zephyr,display = &st7735r_160x80;
};
leds {
@ -38,6 +39,44 @@
};
};
mipi_dbi_st7735r_160x80 {
compatible = "zephyr,mipi-dbi-spi";
spi-dev = <&spi4>;
dc-gpios = <&gpioe 13 GPIO_ACTIVE_HIGH>;
#address-cells = <1>;
#size-cells = <0>;
st7735r_160x80: st7735r@0 {
compatible = "sitronix,st7735r";
mipi-max-frequency = <20000000>;
mipi-mode = <MIPI_DBI_MODE_SPI_4WIRE>;
reg = <0>;
width = <160>;
height = <80>;
inversion-on;
rgb-is-inverted;
x-offset = <1>;
y-offset = <26>;
pwctr1 = [A2 02 84];
pwctr2 = [C5];
pwctr3 = [0A 00];
pwctr4 = [8A 2A];
pwctr5 = [8A EE];
invctr = <7>;
frmctr1 = [01 2C 2D];
frmctr2 = [01 2C 2D];
frmctr3 = [01 2C 2D 01 2C 2D];
vmctr1 = <14>;
gamctrp1 = [02 1C 07 12 37 32 29 2D 29 25 2B 39 00 01 03 10];
gamctrn1 = [03 1D 07 06 2E 2C 29 2D 2E 2E 37 3F 00 00 02 10];
colmod = <5>;
/* Set D3 (RGB) bit to 1. LV_COLOR_16_SWAP is enabled by default */
madctl = <120>; /* Set to <184> to rotate the image 180 degrees. */
caset = [00 01 00 a0];
raset = [00 1a 00 69];
};
};
aliases {
led0 = &user_led;
sw0 = &user_button;
@ -154,42 +193,21 @@ zephyr_udc0: &usbotg_fs {
};
};
&gpioe {
status = "okay";
lcd_led {
gpio-hog;
gpios = <10 GPIO_ACTIVE_LOW>;
output-high;
};
};
&spi4 {
pinctrl-0 = <&spi4_sck_pe12 &spi4_mosi_pe14>;
cs-gpios = <&gpioe 11 GPIO_ACTIVE_LOW>;
pinctrl-names = "default";
status = "okay";
st7735r_tft: st7735r@0 {
compatible = "sitronix,st7735r";
spi-max-frequency = <20000000>;
reg = <0>;
cmd-data-gpios = <&gpioe 13 GPIO_ACTIVE_LOW>;
reset-gpios = <&gpioe 10 GPIO_ACTIVE_HIGH>;
width = <160>;
height = <80>;
inversion-on;
rgb-is-inverted;
x-offset = <1>;
y-offset = <26>;
pwctr1 = [A2 02 84];
pwctr2 = [C5];
pwctr3 = [0A 00];
pwctr4 = [8A 2A];
pwctr5 = [8A EE];
invctr = <7>;
frmctr1 = [01 2C 2D];
frmctr2 = [01 2C 2D];
frmctr3 = [01 2C 2D 01 2C 2D];
vmctr1 = <14>;
gamctrp1 = [02 1C 07 12 37 32 29 2D 29 25 2B 39 00 01 03 10];
gamctrn1 = [03 1D 07 06 2E 2C 29 2D 2E 2E 37 3F 00 00 02 10];
colmod = <5>;
/* Set D3 (RGB) bit to 1. LV_COLOR_16_SWAP is enabled by default in Kconfig */
madctl = <120>; /* Set to <184> to rotate the image 180 degrees. */
caset = [00 01 00 a0];
raset = [00 1a 00 69];
};
};
&rng {