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// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
/*
* Copyright 2022 Toradex
*/
// Verdin DSI to LVDS Adapter with plugged in
// Capacitive Touch Display 10.1" LVDS orderable at Toradex.
/dts-v1/;
/plugin/;
/ {
compatible = "toradex,verdin-imx8mm";
};
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/interrupt-controller/irq.h>
#include <dt-bindings/pwm/pwm.h>
#include "verdin-imx8mm_backlight-dsi_overlay.dtsi"
#include "display-lt170410-dsi-lvds_overlay.dtsi"
&{/} {
reg_dsi_lvds: regulator-dsi-lvds {
compatible = "regulator-fixed";
enable-active-high;
/* Verdin CTRL_SLEEP_MOCI# (SODIMM 256) */
gpio = <&gpio5 1 GPIO_ACTIVE_HIGH>;
regulator-boot-on;
regulator-name = "DSI_1_PWR_EN";
};
};
&backlight_verdin_dsi {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_i2s_2_d_out_dsi_1_bkl_en>;
/* Verdin I2S_2_D_OUT (DSI_1_BKL_EN/DSI_1_BKL_EN_LVDS, SODIMM 46) */
enable-gpios = <&gpio3 24 GPIO_ACTIVE_HIGH>;
pwms = <&pwm1 0 6666667 PWM_POLARITY_INVERTED>;
};
/* Verdin I2C_1 */
&i2c4 {
#address-cells = <1>;
#size-cells = <0>;
status = "okay";
bridge@2c {
compatible = "ti,sn65dsi84";
reg = <0x2c>;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_gpio_10_dsi>;
/* Verdin GPIO_9_DSI (SN65DSI84 IRQ, SODIMM 17, unused) */
/* Verdin GPIO_10_DSI (SODIMM 21) */
enable-gpios = <&gpio3 3 GPIO_ACTIVE_HIGH>;
vcc-supply = <®_dsi_lvds>;
status = "okay";
ports {
#address-cells = <1>;
#size-cells = <0>;
port@0 {
reg = <0>;
dsi_lvds_bridge_in: endpoint {
data-lanes = <1 2 3 4>;
remote-endpoint = <&mipi_dsi_bridge1_out>;
};
};
port@2 {
reg = <2>;
dsi_lvds_bridge_out: endpoint {
remote-endpoint = <&panel_in_lt170410>;
};
};
};
};
touch@4a {
compatible = "atmel,maxtouch";
reg = <0x4a>;
/*
* Verdin GPIO_9_DSI
* (TOUCH_INT#, SODIMM 17, also routed to SN65DSI84 IRQ albeit currently unused)
*/
interrupt-parent = <&gpio3>;
interrupts = <15 IRQ_TYPE_EDGE_FALLING>;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_gpio_9_dsi>, <&pinctrl_i2s_2_bclk_touch_reset>;
/* Verdin I2S_2_BCLK (TOUCH_RESET#, SODIMM 42) */
reset-gpios = <&gpio3 23 GPIO_ACTIVE_LOW>;
vdd-supply = <®_dsi_lvds>;
status = "okay";
};
};
&lcdif {
status = "okay";
};
&mipi_dsi {
samsung,esc-clock-frequency = <16000000>;
status = "okay";
ports {
#address-cells = <1>;
#size-cells = <0>;
port@1 {
reg = <1>;
mipi_dsi_bridge1_out: endpoint {
attach-bridge;
remote-endpoint = <&dsi_lvds_bridge_in>;
};
};
};
};
&panel_lt170410 {
backlight = <&backlight_verdin_dsi>;
port {
panel_in_lt170410: endpoint {
remote-endpoint = <&dsi_lvds_bridge_out>;
};
};
};
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