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楼主 # 2022-04-26 19:39:51

mhcsoft
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注册时间: 2022-04-18
已发帖子: 3
积分: 3

求助: 有朋友在D1上点过双通道1920X1080的显示屏吗,改了如下配置一直没显示

下面是配置:

James wrote:

&lcd0 {
lcd_used = <1>;

lcd_driver_name = "default_lcd";
lcd_backlight = <150>;
lcd_if = <3>;

lcd_x = <1920>;
lcd_y = <1080>;
lcd_width = <150>;
lcd_height = <94>;
lcd_dclk_freq = <150>;
lcd_rb_swap = <0>;

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

lcd_hbp = <20>;
lcd_ht = <2200>;
lcd_hspw = <10>;
lcd_vbp = <10>;
lcd_vt = <1125>;
lcd_vspw = <5>;

lcd_lvds_if = <1>;
lcd_lvds_colordepth = <0>;
lcd_lvds_mode = <0>;
lcd_frm = <1>;
lcd_io_phase = <0x0000>;
lcd_hv_clk_phase = <0>;
lcd_hv_sync_polarity = <0>;
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>;

pinctrl-0 = <&lvds0_pins_a>;
pinctrl-1 = <&lvds0_pins_b>;
lcd_bl_en = <&pio PD 20 GPIO_ACTIVE_HIGH>;
};

James wrote:

lvds0_pins_b: lvds0@1 {
pins = "PD0", "PD1", "PD2", "PD3", "PD4", "PD5", "PD6", "PD7", "PD8", "PD9", \
"PD10", "PD11", "PD12", "PD13", "PD14", "PD15", "PD16", "PD17", "PD18", "PD19";
function = "io_disabled";
drive-strength = <30>;
bias-disable;
};

rgb24_pins_a: rgb24@0 {
pins = "PB2", "PB3", "PD0", "PD1", "PD2", "PD3", "PD4", "PD5", \
"PB4", "PB5", "PD6", "PD7", "PD8", "PD9", "PD10", "PD11", \
"PB6", "PB7", "PD12", "PD13", "PD14", "PD15", "PD16", "PD17", \
"PD18", "PD19", "PD20", "PD21";
function = "lcd0";
drive-strength = <30>;
bias-disable;
};

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楼主 #1 2022-04-26 19:41:33

mhcsoft
会员
注册时间: 2022-04-18
已发帖子: 3
积分: 3

Re: 求助: 有朋友在D1上点过双通道1920X1080的显示屏吗,改了如下配置一直没显示

			
lvds0_pins_a: lvds0@0 {
				pins  = "PD0", "PD1", "PD2", "PD3", "PD4", "PD5", "PD6", "PD7", "PD8", "PD9", \
				"PD10", "PD11", "PD12", "PD13", "PD14", "PD15", "PD16", "PD17", "PD18", "PD19";
				function = "lvds0";
				drive-strength = <30>;
				bias-disable;
			};

			lvds0_pins_b: lvds0@1 {
				pins  = "PD0", "PD1", "PD2", "PD3", "PD4", "PD5", "PD6", "PD7", "PD8", "PD9", \
				"PD10", "PD11", "PD12", "PD13", "PD14", "PD15", "PD16", "PD17", "PD18", "PD19";
				function = "io_disabled";
				drive-strength = <30>;
				bias-disable;
			};

pin脚贴错了

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#2 2022-04-26 20:39:45

哇酷小二
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所在地: wechat: whycan_cn
注册时间: 2020-04-22
已发帖子: 3,403
积分: 1907
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Re: 求助: 有朋友在D1上点过双通道1920X1080的显示屏吗,改了如下配置一直没显示

一根一根线对照 pdf 手册再测量一下,先排除硬件问题。

我前面驱动15寸屏,因为错了一根线位置不亮。





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