Files
linux-kernel/linux-7.2.3/arch/arm64/boot/dts/ti/k3-am625-verdin-dev-mezzanine-panel-cap-touch-10inch-lvds.dtso
2026-09-06 12:53:21 -06:00

99 lines
2.1 KiB
Plaintext

// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
/*
* Copyright (c) Toradex
*
* Toradex Capacitive Touch Display 10.1" LVDS on the Verdin AM62 Mezzanine
* LVDS interface (J10), used with the Verdin Development Board.
*
* https://developer.toradex.com/hardware/accessories/displays/capacitive-touch-display-101inch-lvds
* https://www.toradex.com/accessories/capacitive-touch-display-10.1-inch-lvds
*/
/dts-v1/;
/plugin/;
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/interrupt-controller/irq.h>
#include <dt-bindings/pwm/pwm.h>
&{/} {
backlight_pwm2: backlight-pwm2 {
compatible = "pwm-backlight";
brightness-levels = <0 45 63 88 119 158 203 255>;
default-brightness-level = <4>;
/* Verdin GPIO_4 (SODIMM 212) - LVDS_BKL_EN */
enable-gpios = <&mcu_gpio0 4 GPIO_ACTIVE_HIGH>;
/* Verdin PWM_2 (SODIMM 16) - LVDS_PWM */
pwms = <&epwm0 1 6666667 PWM_POLARITY_INVERTED>;
};
panel-lvds-native {
compatible = "logictechno,lt170410-2whc";
backlight = <&backlight_pwm2>;
power-supply = <&reg_3v3_lvds>;
port {
panel_lvds_native_in: endpoint {
remote-endpoint = <&oldi0_out>;
};
};
};
reg_3v3_lvds: regulator-3v3-lvds {
compatible = "regulator-fixed";
regulator-max-microvolt = <3300000>;
regulator-min-microvolt = <3300000>;
regulator-name = "+V3.3_LVDS";
};
};
&dss {
status = "okay";
};
&dss_ports {
#address-cells = <1>;
#size-cells = <0>;
/* DSS VP1: internal DPI output to OLDIx */
port@0 {
reg = <0>;
dss0_out: endpoint {
remote-endpoint = <&oldi0_in>;
};
};
};
/* Verdin I2C_2_DSI */
&main_i2c2 {
#address-cells = <1>;
#size-cells = <0>;
touchscreen@4a {
compatible = "atmel,maxtouch";
reg = <0x4a>;
/* Verdin GPIO_3 (SODIMM 210) - LVDS_TOUCH_INT# */
interrupt-parent = <&mcu_gpio0>;
interrupts = <3 IRQ_TYPE_EDGE_FALLING>;
/* Verdin GPIO_2 (SODIMM 208) - LVDS_TOUCH_RST# */
reset-gpios = <&mcu_gpio0 2 GPIO_ACTIVE_LOW>;
};
};
&oldi0 {
status = "okay";
};
&oldi0_port0 {
oldi0_in: endpoint {
remote-endpoint = <&dss0_out>;
};
};
&oldi0_port1 {
oldi0_out: endpoint {
remote-endpoint = <&panel_lvds_native_in>;
};
};