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// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
/*
* Copyright 2023 Toradex
*/
// Verdin DSI to LVDS Adapter orderable at Toradex.
/dts-v1/;
/plugin/;
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/interrupt-controller/irq.h>
#include <dt-bindings/pwm/pwm.h>
/ {
compatible = "toradex,verdin-am62";
};
&{/} {
backlight: backlight {
compatible = "pwm-backlight";
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_i2s_2_d_out_gpio>;
brightness-levels = <0 45 63 88 119 158 203 255>;
default-brightness-level = <4>;
/* Verdin DSI_1_BKL_EN_LVDS (shared with I2S_2_D_OUT from MCASP1, SODIMM 46) */
enable-gpios = <&main_gpio0 34 GPIO_ACTIVE_HIGH>;
power-supply = <®_3v3>;
/* Verdin PWM_3_DSI/PWM_3_DSI_LVDS (SODIMM 19) */
pwms = <&epwm1 0 6666667 PWM_POLARITY_INVERTED>;
};
panel-lvds {
compatible = "panel-lvds";
backlight = <&backlight>;
data-mapping = "vesa-24";
height-mm = <136>;
width-mm = <217>;
panel-timing {
clock-frequency = <68900000 71100000 73400000>;
de-active = <1>;
hactive = <1280 1280 1280>;
hback-porch = <3 40 51>;
hfront-porch = <43 80 91>;
hsync-active = <0>;
hsync-len = <15 40 47>;
pixelclk-active = <1>; /* positive edge */
vactive = <800 800 800>;
vback-porch = <5 7 10>;
vfront-porch = <5 7 10>;
vsync-active = <0>;
vsync-len = <6 9 12>;
};
port {
panel_in_lvds: endpoint {
remote-endpoint = <&lvds_out_panel>;
};
};
};
};
&dsi_bridge {
status = "okay";
};
&dsi_bridge_ports {
#address-cells = <1>;
#size-cells = <0>;
port@1 {
reg = <1>;
mipi_dsi_bridge1_out: endpoint {
remote-endpoint = <&dsi84_in>;
};
};
};
&dss {
status = "okay";
};
/* Verdin PWM_3_DSI */
&epwm1 {
status = "okay";
};
/* Verdin I2C_1 */
&main_i2c1 {
#address-cells = <1>;
#size-cells = <0>;
status = "okay";
lvds_ti_sn65dsi84: bridge@2c {
compatible = "ti,sn65dsi84";
reg = <0x2c>;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_dsi1_bkl_en>;
/* Verdin Verdin DSI_1_INT# (SN65DSI84 IRQ, SODIMM 17, unused) */
/* Verdin DSI_1_BKL_EN (SODIMM 21) */
enable-gpios = <&main_gpio0 30 GPIO_ACTIVE_HIGH>;
ports {
#address-cells = <1>;
#size-cells = <0>;
port@0 {
reg = <0>;
dsi84_in: endpoint {
data-lanes = <1 2 3 4>;
remote-endpoint = <&mipi_dsi_bridge1_out>;
};
};
port@2 {
reg = <2>;
lvds_out_panel: endpoint {
remote-endpoint = <&panel_in_lvds>;
};
};
};
};
atmel_mxt_ts: touch@4a {
compatible = "atmel,maxtouch";
reg = <0x4a>;
/*
* Verdin DSI_1_INT#
* (TOUCH_INT#, SODIMM 17, also routed to SN65DSI84 IRQ albeit currently unused)
*/
interrupt-parent = <&main_gpio1>;
interrupts = <49 IRQ_TYPE_EDGE_FALLING>;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_dsi1_int>, <&pinctrl_i2s_2_bclk_gpio>;
/* Verdin I2S_2_BCLK (TOUCH_RESET#, SODIMM 42) */
reset-gpios = <&main_gpio0 35 GPIO_ACTIVE_LOW>;
};
};
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