125 lines
2.8 KiB
Plaintext
125 lines
2.8 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 DSI to LVDS Adapter on Verdin DSI_1 with Capacitive Touch Display 10.1"
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* Used on Dahlia (X17) and Development Board (X48) that expose DSI_1 via an
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* Samtec LSS-130 connector.
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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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* https://developer.toradex.com/hardware/accessories/add-ons/dsi-lvds-adapter
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* https://www.toradex.com/accessories/verdin-dsi-to-lvds-adapter
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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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&{/} {
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backlight_pwm3: backlight-pwm3 {
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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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power-supply = <®_3v3>;
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/* Verdin PWM_3_DSI (SODIMM 19) */
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pwms = <&epwm1 0 6666667 PWM_POLARITY_INVERTED>;
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};
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panel-lvds-bridge {
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compatible = "logictechno,lt170410-2whc";
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backlight = <&backlight_pwm3>;
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power-supply = <®_3v3_dsi>;
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port {
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panel_lvds_bridge_in: endpoint {
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remote-endpoint = <&dsi_lvds_bridge_out>;
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};
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};
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};
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reg_3v3_dsi: regulator-3v3-dsi {
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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_DSI";
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};
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};
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&dsi_bridge {
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status = "okay";
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};
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&dsi_bridge_ports {
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#address-cells = <1>;
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#size-cells = <0>;
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port@1 {
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reg = <1>;
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dsi_bridge_out: endpoint {
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remote-endpoint = <&dsi_lvds_bridge_in>;
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};
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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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/* Verdin I2C_1 */
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&main_i2c1 {
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#address-cells = <1>;
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#size-cells = <0>;
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bridge@2c {
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compatible = "ti,sn65dsi84";
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reg = <0x2c>;
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pinctrl-names = "default";
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pinctrl-0 = <&pinctrl_dsi1_bkl_en>;
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/* Verdin GPIO_10_DSI (SODIMM 21) - DSI_1_BKL_EN */
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enable-gpios = <&main_gpio0 30 GPIO_ACTIVE_HIGH>;
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ports {
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#address-cells = <1>;
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#size-cells = <0>;
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port@0 {
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reg = <0>;
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dsi_lvds_bridge_in: endpoint {
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remote-endpoint = <&dsi_bridge_out>;
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data-lanes = <1 2 3 4>;
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};
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};
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port@2 {
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reg = <2>;
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dsi_lvds_bridge_out: endpoint {
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remote-endpoint = <&panel_lvds_bridge_in>;
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};
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};
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};
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};
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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_dsi1_int>, <&pinctrl_i2s_2_bclk_gpio>;
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/* Verdin GPIO_9_DSI (SODIMM 17) - TOUCH_INT# */
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interrupt-parent = <&main_gpio1>;
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interrupts = <49 IRQ_TYPE_EDGE_FALLING>;
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/* Verdin I2S_2_BCLK (SODIMM 42) - TOUCH_RESET# */
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reset-gpios = <&main_gpio0 35 GPIO_ACTIVE_LOW>;
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};
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};
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