98 lines
1.8 KiB
Plaintext
98 lines
1.8 KiB
Plaintext
// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
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/*
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* Copyright 2025 Josua Mayer <josua@solid-run.com>
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*
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* Overlay for enabling HummingBoard IIoT LVDS connector
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* with Winstar WF70A8SYJHLNGA panel.
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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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&{/} {
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lvds_backlight: lvds-backlight {
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compatible = "gpio-backlight";
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gpios = <&tca6408_u37 3 GPIO_ACTIVE_LOW>;
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};
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panel-lvds {
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compatible = "winstar,wf70a8syjhlnga", "panel-lvds";
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backlight = <&lvds_backlight>;
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data-mapping = "vesa-24";
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enable-gpios = <&tca6408_u37 2 GPIO_ACTIVE_HIGH>;
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height-mm = <86>;
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power-supply = <®_dsi_panel>;
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reset-gpios = <&tca6408_u37 1 GPIO_ACTIVE_HIGH>;
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width-mm = <154>;
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panel-timing {
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/*
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* Note: NXP BSP hard-codes 74MHz clock in ldb driver:
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* drivers/gpu/drm/imx/imx8mp-ldb.c
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* SolidRun BSP carries patch.
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*/
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clock-frequency = <49500000>;
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de-active = <1>;
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hactive = <1024>;
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hback-porch = <144>;
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hfront-porch = <40>;
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hsync-active = <0>;
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hsync-len = <104>;
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vactive = <600>;
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vback-porch = <11>;
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vfront-porch = <3>;
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vsync-active = <1>;
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vsync-len = <10>;
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};
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port {
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panel_from_lvds: endpoint {
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remote-endpoint = <&ldb_lvds_ch0>;
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};
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};
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};
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};
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&i2c_lvds {
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#address-cells = <1>;
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#size-cells = <0>;
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touchscreen@41 {
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compatible = "ilitek,ili2130";
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reg = <0x41>;
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interrupts-extended = <&tca6416_u21 13 IRQ_TYPE_LEVEL_LOW>;
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reset-gpios = <&tca6408_u37 6 GPIO_ACTIVE_LOW>;
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};
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};
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&lcdif2 {
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status = "okay";
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};
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&ldb_lvds_ch0 {
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remote-endpoint = <&panel_from_lvds>;
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};
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&lvds_bridge {
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status = "okay";
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};
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&tca6408_u37 {
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lvds-lr-hog {
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gpios = <4 GPIO_ACTIVE_HIGH>;
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gpio-hog;
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line-name = "lvds-l/r";
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output-high;
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};
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lvds-ud-hog {
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gpios = <5 GPIO_ACTIVE_HIGH>;
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gpio-hog;
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line-name = "lvds-u/d";
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output-high;
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};
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};
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