T113S3 mipi800x1280屏幕无法点亮

[andy123]

目前来看时序已经正常了，但屏幕死活点不亮

这是我的设备树

&lcd0 {
	lcd_used            = <1>;
	lcd_driver_name     = "tft08006";
	lcd_backlight       = <200>;
	lcd_if              = <4>;

	lcd_x               = <800>;
	lcd_y               = <1280>;
	lcd_width           = <151>;
	lcd_height          = <94>;
	lcd_dclk_freq       = <72>;

	lcd_pwm_used        = <1>;
	lcd_pwm_ch          = <7>;
	lcd_pwm_freq        = <50000>;
	lcd_pwm_pol         = <0>;
	lcd_pwm_max_limit   = <255>;

	lcd_hbp             = <40>;
	lcd_ht              = <900>;
	lcd_hspw            = <20>;
	lcd_vbp             = <14>;
	lcd_vt              = <1328>;
	lcd_vspw            = <4>;

	lcd_dsi_lane        = <4>;
	lcd_lvds_if         = <0>;
	lcd_lvds_colordepth = <1>;
	lcd_lvds_mode       = <0>;
	lcd_frm             = <0>;
	lcd_io_phase        = <0x0000>;
	lcd_gamma_en        = <0>;
	lcd_bright_curve_en = <0>;
	lcd_cmap_en         = <0>;
	lcd_fsync_act_time  = <1000>;
	lcd_fsync_dis_time  = <1000>;
	
	deu_mode            = <0>;
	lcdgamma4iep        = <22>;
	smart_color         = <90>;

	lcd_dsi_if			= <0>;
	lcd_dsi_format		= <0>;
	lcd_dsi_te			= <1>;
	lcd_dsi_eotp		= <0>;

	pinctrl-0 = <&dsi4lane_pins_a>;
	pinctrl-1 = <&dsi4lane_pins_b>;
	// lcd_gpio_0 = <&pio PD 22 GPIO_ACTIVE_HIGH>;	
};

&dsi4lane_pins_a {
	allwinner,pins = "PD0", "PD1", "PD2", "PD3", "PD4", "PD5", "PD6", "PD7", "PD8", "PD9";
	allwinner,pname = "PD0", "PD1", "PD2", "PD3", "PD4", "PD5", "PD6", "PD7", "PD8", "PD9";
	allwinner,function = "dsi4lane";
	allwinner,muxsel = <4>;
	allwinner,drive = <3>;
	allwinner,pull = <0>;
};

&dsi4lane_pins_b {
	allwinner,pins = "PD0", "PD1", "PD2", "PD3", "PD4", "PD5", "PD6", "PD7", "PD8", "PD9";
	allwinner,pname = "PD0", "PD1", "PD2", "PD3", "PD4", "PD5", "PD6", "PD7", "PD8", "PD9";
	allwinner,function = "dsi4lane_suspend";
	allwinner,muxsel = <7>;
	allwinner,drive = <1>;
	allwinner,pull = <0>;
};

我在思考有没有可能是我的驱动代码问题，有没有大佬帮忙指点一下

[andy123]

我这里还有这个问题

[tivon]

@andy123 te不对吧

[andy123]

@tivon 谢谢您的回复，请问您是指要修改屏幕驱动芯片寄存器配置吗

[tivon]

@andy123 这种屏幕是不会用到te的，多看看全志的文档