Commit 2379d15a authored by Bryan Brattlof's avatar Bryan Brattlof Committed by Jonathan Corbet
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parent 399bfc8b
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@@ -27,7 +27,7 @@ What is a GPIO?
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A "General Purpose Input/Output" (GPIO) is a flexible software-controlled
digital signal. They are provided from many kinds of chip, and are familiar
digital signal. They are provided from many kinds of chips, and are familiar
to Linux developers working with embedded and custom hardware. Each GPIO
represents a bit connected to a particular pin, or "ball" on Ball Grid Array
(BGA) packages. Board schematics show which external hardware connects to