Files
tactility/Devices/cyd-4848s040c/cyd,4848s040c.dts
Ken Van Hoeylandt d896657bf9 Device migrations, drivers and fixes (#571)
Device migrations:

- cyd-4848S040c
- guition-jc1060p470ciwy
- guition-jc2432w328c
- guition-jc3248w535c (known issue with display and touch, Shadowtrance will look into it)
- guition-jc8048w550c
- heltec-wifi-lora-32-v3
- lilygo-tdeck-max (excluding graphics)
- lilygo-tdisplay
- lilygo-tdisplay-s3
- lilygo-tdongle-s3
- lilygo-tlora-pager

Driver migrations:

- Implemented haptic driver interface in kernel
- AXS15231b
- BQ25896
- BQ27220
- CST328
- CST6xx
- DRV2605
- JD9165
- Custom LilyGO driver for T-Lora Pager
- SSD1306
- ST7701
- ST7735
- SY6970
- TCA8418

Fixes/improvements:

- Boot app: support for multiple power devices, improved UI
- lvgl_devices and related code: fixes for mapping
- Support for arrays in dts parser
2026-07-18 15:01:42 +02:00

174 lines
5.6 KiB
Devicetree

/dts-v1/;
#include <tactility/bindings/root.h>
#include <tactility/bindings/esp32_ble.h>
#include <tactility/bindings/esp32_wifi_pinned.h>
#include <tactility/bindings/esp32_gpio.h>
#include <tactility/bindings/esp32_i2c.h>
#include <tactility/bindings/esp32_sdspi.h>
#include <tactility/bindings/esp32_spi.h>
#include <tactility/bindings/esp32_pwm_ledc.h>
#include <tactility/bindings/pwm_backlight.h>
#include <bindings/st7701.h>
#include <bindings/gt911.h>
/ {
compatible = "root";
model = "CYD 4848S040C";
wifi0 {
compatible = "espressif,esp32-wifi-pinned";
status = "disabled";
};
ble0 {
compatible = "espressif,esp32-ble";
status = "disabled";
};
gpio0 {
compatible = "espressif,esp32-gpio";
gpio-count = <49>;
};
i2c0 {
compatible = "espressif,esp32-i2c";
port = <I2C_NUM_0>;
clock-frequency = <400000>;
pin-sda = <&gpio0 19 GPIO_FLAG_NONE>;
pin-scl = <&gpio0 45 GPIO_FLAG_NONE>;
touch0 {
// No reset/interrupt pin wired up here, matching the original deprecated-HAL
// config (Gt911Touch::Configuration was constructed with no reset/interrupt pin
// arguments on this board).
compatible = "goodix,gt911";
reg = <0x5D>;
x-max = <480>;
y-max = <480>;
};
};
display_backlight_pwm {
compatible = "espressif,esp32-pwm-ledc";
pin = <&gpio0 38 GPIO_FLAG_NONE>;
period-ns = <1000000>;
ledc-timer = <0>;
ledc-channel = <0>;
};
display_backlight {
compatible = "pwm-backlight";
pwm = <&display_backlight_pwm>;
};
display0 {
compatible = "sitronix,st7701";
horizontal-resolution = <480>;
vertical-resolution = <480>;
pixel-clock-hz = <14000000>;
hsync-pulse-width = <10>;
hsync-back-porch = <10>;
hsync-front-porch = <20>;
vsync-pulse-width = <10>;
vsync-back-porch = <10>;
vsync-front-porch = <10>;
num-fbs = <2>;
double-fb;
bounce-buffer-size-px = <4800>;
bb-invalidate-cache;
pin-hsync = <&gpio0 16 GPIO_FLAG_NONE>;
pin-vsync = <&gpio0 17 GPIO_FLAG_NONE>;
pin-de = <&gpio0 18 GPIO_FLAG_NONE>;
pin-pclk = <&gpio0 21 GPIO_FLAG_NONE>;
pin-data0 = <&gpio0 4 GPIO_FLAG_NONE>; // B1
pin-data1 = <&gpio0 5 GPIO_FLAG_NONE>; // B2
pin-data2 = <&gpio0 6 GPIO_FLAG_NONE>; // B3
pin-data3 = <&gpio0 7 GPIO_FLAG_NONE>; // B4
pin-data4 = <&gpio0 15 GPIO_FLAG_NONE>; // B5
pin-data5 = <&gpio0 8 GPIO_FLAG_NONE>; // G1
pin-data6 = <&gpio0 20 GPIO_FLAG_NONE>; // G2
pin-data7 = <&gpio0 3 GPIO_FLAG_NONE>; // G3
pin-data8 = <&gpio0 46 GPIO_FLAG_NONE>; // G4
pin-data9 = <&gpio0 9 GPIO_FLAG_NONE>; // G5
pin-data10 = <&gpio0 10 GPIO_FLAG_NONE>; // G6
pin-data11 = <&gpio0 11 GPIO_FLAG_NONE>; // R1
pin-data12 = <&gpio0 12 GPIO_FLAG_NONE>; // R2
pin-data13 = <&gpio0 13 GPIO_FLAG_NONE>; // R3
pin-data14 = <&gpio0 14 GPIO_FLAG_NONE>; // R4
pin-data15 = <&gpio0 0 GPIO_FLAG_NONE>; // R5
// 3-wire bit-banged command bus. GPIO47/48 are physically shared with this board's SD
// card SPI2 bus (MOSI/SCLK) - no alternate pins exist on this PCB. No SD card device is
// declared in this devicetree yet (CS/MISO pins are unverified), but if one is added on
// SPI2_HOST later, declare it *after* this node: starting that SPI bus unconditionally
// reprograms the GPIO matrix for its MOSI/SCLK pins (see esp32_spi.cpp's start()),
// which reclaims them from this display's bit-banged use without any extra code.
pin-cs = <&gpio0 39 GPIO_FLAG_NONE>;
pin-scl = <&gpio0 48 GPIO_FLAG_NONE>;
pin-sda = <&gpio0 47 GPIO_FLAG_NONE>;
mirror-by-cmd;
init-sequence = [
// Vendor bring-up sequence for this panel. Framing is
// [cmd, data-len, delay-ms, data-len bytes of data...] - see st7701-module's
// init-sequence binding property for the encoding.
0xFF 5 0 0x77 0x01 0x00 0x00 0x10
0xC0 2 0 0x3B 0x00
0xC1 2 0 0x0D 0x02
0xC2 2 0 0x31 0x05
0xCD 1 0 0x00
// Positive Voltage Gamma Control
0xB0 16 0 0x00 0x11 0x18 0x0E 0x11 0x06 0x07 0x08 0x07 0x22 0x04 0x12 0x0F 0xAA 0x31 0x18
// Negative Voltage Gamma Control
0xB1 16 0 0x00 0x11 0x19 0x0E 0x12 0x07 0x08 0x08 0x08 0x22 0x04 0x11 0x11 0xA9 0x32 0x18
// Page1
0xFF 5 0 0x77 0x01 0x00 0x00 0x11
0xB0 1 0 0x60 // Vop=4.7375v
0xB1 1 0 0x32 // VCOM=32
0xB2 1 0 0x07 // VGH=15v
0xB3 1 0 0x80
0xB5 1 0 0x49 // VGL=-10.17v
0xB7 1 0 0x85
0xB8 1 0 0x21 // AVDD=6.6 & AVCL=-4.6
0xC1 1 0 0x78
0xC2 1 0 0x78
0xE0 3 0 0x00 0x1B 0x02
0xE1 11 0 0x08 0xA0 0x00 0x00 0x07 0xA0 0x00 0x00 0x00 0x44 0x44
0xE2 12 0 0x11 0x11 0x44 0x44 0xED 0xA0 0x00 0x00 0xEC 0xA0 0x00 0x00
0xE3 4 0 0x00 0x00 0x11 0x11
0xE4 2 0 0x44 0x44
0xE5 16 0 0x0A 0xE9 0xD8 0xA0 0x0C 0xEB 0xD8 0xA0 0x0E 0xED 0xD8 0xA0 0x10 0xEF 0xD8 0xA0
0xE6 4 0 0x00 0x00 0x11 0x11
0xE7 2 0 0x44 0x44
0xE8 16 0 0x09 0xE8 0xD8 0xA0 0x0B 0xEA 0xD8 0xA0 0x0D 0xEC 0xD8 0xA0 0x0F 0xEE 0xD8 0xA0
0xEB 7 0 0x02 0x00 0xE4 0xE4 0x88 0x00 0x40
0xEC 2 0 0x3C 0x00
0xED 16 0 0xAB 0x89 0x76 0x54 0x02 0xFF 0xFF 0xFF 0xFF 0xFF 0xFF 0x20 0x45 0x67 0x98 0xBA
// VAP & VAN
0xFF 5 0 0x77 0x01 0x00 0x00 0x13
0xE5 1 0 0xE4
0xFF 5 0 0x77 0x01 0x00 0x00 0x00
0x3A 1 10 0x60 // 0x70 RGB888, 0x60 RGB666, 0x50 RGB565
0x11 0 120 // Sleep Out
0x29 0 0 // Display On
];
backlight = <&display_backlight>;
};
spi0 {
compatible = "espressif,esp32-spi";
host = <SPI2_HOST>;
cs-gpios = <&gpio0 42 GPIO_FLAG_NONE>;
pin-mosi = <&gpio0 47 GPIO_FLAG_NONE>;
pin-miso = <&gpio0 41 GPIO_FLAG_NONE>;
pin-sclk = <&gpio0 48 GPIO_FLAG_NONE>;
sdcard@0 {
compatible = "espressif,esp32-sdspi";
frequency-khz = <20000>;
};
};
};