AIO-3399J 10.1寸LVDS型号DM-M10R800，修复vcc_lcd上电

Chip Platform Rockchip
1

AIO-3399J部分新板型无法点亮10.1寸LVDS显示屏
打上下面补丁即可解决。

补丁内附上AIO-3399J的EDP vcc_lcd修改方法。
Fix-lcd-vcc_lcd-patch.zip (1.71 KB)

Fix-lcd-vcc_lcd-patch.zip (1.71 KB)

2

rk3399-firefly-aio-lvds.dts这个文件怎么修改

3

pashanpp 发表于 2018-12-24 17:01
rk3399-firefly-aio-lvds.dts这个文件怎么修改

已经解决，修改地方

--- a/kernel/arch/arm64/boot/dts/rockchip/rk3399-firefly-aio-lvds.dts
+++ b/kernel/arch/arm64/boot/dts/rockchip/rk3399-firefly-aio-lvds.dts
@@ -213,10 +213,10 @@
                power_ctr: power_ctr {
                rockchip,debug = <0>;
                lcd_pwr_en: lcd-pwr-en {
-                       gpios = <&gpio3 16 GPIO_ACTIVE_HIGH>;
-                       pinctrl-names = "default";
-                       pinctrl-0 = <&lcd_panel_pwr_en>;
-                       rockchip,delay = <10>;
+                      gpios = <&gpio1 4 GPIO_ACTIVE_HIGH>;
+                      pinctrl-names = "default";
+                      pinctrl-0 = <&lcd_panel_lcd_en>;
+                      rockchip,delay = <10>;
                };

                lcd_rst: lcd-rst {
@@ -427,6 +427,9 @@

         lcd_panel_pwr_en: lcd-panel-pwr-en {
             rockchip,pins = <3 16 RK_FUNC_GPIO &pcfg_pull_down>;
+               lcd_panel_lcd_en:lcd-panel-lcd-en {
+                       rockchip,pins = <1 4 RK_FUNC_GPIO &pcfg_pull_down>;
+               };
         };

        };
4

测试看看

5

没法下载

6

{:4_89:}

7

没权限·下载，能否分享