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phytec并口lcd的配置信息是在设备树文件imx6qdl-phytec-mira-peb-av-02.dtsi,
phycore-i.MX6DL emmc核心板的设备树文件是imx6dl-phytec-mira-rdk-emmc.dts,
imx6dl-phytec-mira-rdk-emmc.dts的默认配置信息:
#include "imx6dl.dtsi" #include "imx6qdl-phytec-phycore-som.dtsi" #include "imx6qdl-phytec-mira.dtsi" #include "imx6qdl-phytec-mira-peb-eval-01.dtsi" #include "imx6qdl-phytec-peb-wlbt-01.dtsi"
该设备树默认没有包含并口lcd的设备树文件,要使用并口lcd,在imx6dl-phytec-mira-rdk-emmc.dts 加上 lcd的设备树即可。
#include "imx6qdl-phytec-mira-peb-av-02.dtsi"
修改后重新编译内核和更新设备树,
在barebox中使能lcd相应的时序。
edit /env/config-expansions
#!/bin/sh . /env/expansions/imx6qdl-mira-peb-eval-01 #. /env/expansions/imx6qdl-mira-enable-lvds #. /env/expansions/imx6qdl-phytec-peb-wlbt-01 #use this expansion when a capacitive touchscreen is connected . /env/expansions/imx6qdl-phytec-lcd-018-peb-av-02 #取消注释 #use this expansion when a resisitive touchscreen is connected #. /env/expansions/imx6qdl-phytec-lcd-018-peb-av-02-res # imx6qdl-phytec-lcd: 7" display (AC138 and AC156) #of_display_timings -S /display@di0/display-timings/ETM0700G0EDH6 # imx6qdl-phytec-lcd: 7" display (AC104) of_display_timings -S /display@di0/display-timings/ETM0700G0DH6 #取消注释 # imx6qdl-phytec-lcd: 5.7" display #of_display_timings -S /display@di0/display-timings/ETMV570G2DHU # imx6qdl-phytec-lcd: 4.3" display #of_display_timings -S /display@di0/display-timings/ETM0430G0DH6
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