ET035009DH6液晶显示器配置

问题描述

通过以下配置，显示屏（ET035009DH6）保持黑暗。背光灯亮。触摸正常。 ETM035009EDH6 Spec

• Toradex Colibri iMX6ULL 512MB V1.1A
• Toradex Colibri评估委员会3.2版
• ET035009DH6
• angstrom-lxde-image

设备树

lcdif@021c8000 {
    compatible = "fsl,imx6ul-lcdif","fsl,imx28-lcdif";
    reg = <0x021c8000 0x00004000>;
    interrupts = <0x00000000 0x00000005 0x00000004>;
    clocks = <0x00000001 0x000000a2 0x00000001 0x000000a1 0x00000001 0x00000000>;
    clock-names = "pix","axi","disp_axi";
    status = "okay";
    pinctrl-names = "default";
    pinctrl-0 = <0x0000003f 0x00000040>;
    display = <0x00000041>;
    lcd-display {
        bits-per-pixel = <0x00000010>;
        bus-width = <0x00000012>;
        linux,phandle = <0x00000041>;
        phandle = <0x00000041>;
        display-timings {
            native-mode = <0x00000042>;
            320x240 {
                phandle = <0x00000042>;
                linux,phandle = <0x00000042>;
                clock-frequency = <0x00632ea0>;
                hactive = <0x00000140>;
                vactive = <0x000000f0>;
                hback-porch = <0x00000044>;
                hsync-len = <0x00000058>;
                hfront-porch = <0x00000014>;
                vback-porch = <0x00000012>;
                vsync-len = <0x00000016>;
                vfront-porch = <0x00000004>;
                hsync-active = <0x00000000>;
                vsync-active = <0x00000000>;
                de-active = <0x00000001>;
                pixelclk-active = <0x00000000>;
            };
            640x480 {
                clock-frequency = <0x018023d8>;
                hactive = <0x00000280>;
                vactive = <0x000001e0>;
                hback-porch = <0x00000028>;
                hfront-porch = <0x00000018>;
                vback-porch = <0x00000020>;
                vfront-porch = <0x0000000b>;
                hsync-len = <0x00000060>;
                vsync-len = <0x00000002>;
                de-active = <0x00000001>;
                hsync-active = <0x00000000>;
                vsync-active = <0x00000000>;
                pixelclk-active = <0x00000000>;
            };
            800x480 {
            };
            800x480pixclkact {
            };
            800x600 {
            };
            1024x600 {
            };
            1024x768 {
            };
    };

U-Boot

setenv vidargs video=mxsfb:320x240M-18@60

当通过VGA将屏幕连接到评估板（Toradex Colibri评估板Rev3.2）并将默认LCD计时保持为640x480（640x480中的phandle和linux,phandle）时，屏幕将显示LXDE桌面。

解决方法

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