The official Raspberry Pi touchscreen will be supported in the mainline Linux kernel, as this past Wednesday pull request by Google engineer Dmitry Torokhov provides support for the 7-inch, 800 x 480 display. The touchscreen has existed for several years, though prior to now, support was provided either by customized kernels for distributions like Raspbian-which specifically targets the Raspberry Pi-or by custom kernel patching.
Though external displays typically do not require custom drivers, the Raspberry Pi touchscreen connects via the DSI port, rather than HDMI, with power provided via GPIO pins.
With the touchscreen for the Raspberry Pi, it is possible to make a DIY tablet, smart information display, and more among many other projects.
We’ll look forward to upcoming changes in Raspbian that take advantage of this change in Linux.
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