121 lines
2.7 KiB
Plaintext
121 lines
2.7 KiB
Plaintext
// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
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/*
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* Copyright (c) Toradex
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*
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* Toradex Capacitive Touch Display 10.1" connected via Verdin AM62 OLDI
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* on carrier boards with a Toradex standard LVDS display connector
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* (e.g., Mallow).
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*
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* https://developer.toradex.com/hardware/accessories/displays/capacitive-touch-display-101inch-lvds
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* https://www.toradex.com/accessories/capacitive-touch-display-10.1-inch-lvds
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*/
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/dts-v1/;
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/plugin/;
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#include <dt-bindings/gpio/gpio.h>
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#include <dt-bindings/interrupt-controller/irq.h>
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#include <dt-bindings/pwm/pwm.h>
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#include "k3-pinctrl.h"
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&{/} {
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backlight_pwm2: backlight-pwm2 {
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compatible = "pwm-backlight";
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pinctrl-names = "default";
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pinctrl-0 = <&pinctrl_i2s_2_d_out_gpio>;
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brightness-levels = <0 45 63 88 119 158 203 255>;
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default-brightness-level = <4>;
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/* Verdin I2S_2_D_OUT as GPIO (SODIMM 46) */
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enable-gpios = <&main_gpio0 34 GPIO_ACTIVE_HIGH>;
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/* Verdin PWM_2 (SODIMM 16) */
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pwms = <&epwm0 1 6666667 PWM_POLARITY_INVERTED>;
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};
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panel-lvds-native {
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compatible = "logictechno,lt170410-2whc";
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backlight = <&backlight_pwm2>;
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power-supply = <®_3v3_lvds>;
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port {
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panel_lvds_native_in: endpoint {
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remote-endpoint = <&oldi0_out>;
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};
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};
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};
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reg_3v3_lvds: regulator-3v3-lvds {
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compatible = "regulator-fixed";
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regulator-max-microvolt = <3300000>;
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regulator-min-microvolt = <3300000>;
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regulator-name = "+V3.3_LVDS";
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};
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};
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&dss {
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status = "okay";
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};
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&dss_ports {
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#address-cells = <1>;
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#size-cells = <0>;
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/* DSS VP1: internal DPI output to OLDIx */
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port@0 {
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reg = <0>;
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dss0_out: endpoint {
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remote-endpoint = <&oldi0_in>;
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};
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};
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};
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/* Verdin I2C_2_DSI */
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&main_i2c2 {
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#address-cells = <1>;
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#size-cells = <0>;
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touchscreen@4a {
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compatible = "atmel,maxtouch";
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reg = <0x4a>;
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pinctrl-names = "default";
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pinctrl-0 = <&pinctrl_i2s_2_d_in_gpio>, <&pinctrl_i2s_2_sync_gpio>;
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/* Verdin I2S_2_SYNC as GPIO (SODIMM 44) */
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interrupt-parent = <&main_gpio0>;
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interrupts = <37 IRQ_TYPE_EDGE_FALLING>;
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/* Verdin I2S_2_D_IN as GPIO (SODIMM 48) */
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reset-gpios = <&main_gpio0 33 GPIO_ACTIVE_LOW>;
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};
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};
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&main_pmx0 {
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/* Mallow Touch RST */
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pinctrl_i2s_2_d_in_gpio: main-gpio0-33-default-pins {
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pinctrl-single,pins = <
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AM62X_IOPAD(0x0088, PIN_INPUT, 7) /* (L24) GPMC0_OEn_REn.GPIO0_33 */ /* SODIMM 48 */
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>;
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};
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/* Mallow Touch INT# */
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pinctrl_i2s_2_sync_gpio: main-gpio0-37-default-pins {
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pinctrl-single,pins = <
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AM62X_IOPAD(0x0098, PIN_INPUT, 7) /* (U23) GPMC0_WAIT0.GPIO0_37 */ /* SODIMM 44 */
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>;
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};
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};
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&oldi0 {
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status = "okay";
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};
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&oldi0_port0 {
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oldi0_in: endpoint {
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remote-endpoint = <&dss0_out>;
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};
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};
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&oldi0_port1 {
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oldi0_out: endpoint {
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remote-endpoint = <&panel_lvds_native_in>;
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};
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};
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