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auxdisplay: Add I2C gpio expander example
authorRalf Schlatterbeck <rsc@runtux.com>
Wed, 6 Jan 2021 11:39:29 +0000 (12:39 +0100)
committerMiguel Ojeda <ojeda@kernel.org>
Wed, 12 May 2021 18:16:01 +0000 (20:16 +0200)
commitaecd79c09c2f8a2739bec46130c16a66bedfb7c3
treea3a3ee919f43575b1a8639e5bdb91489c76078a9tree
parent6efb943b8616ec53a5e444193dccf1af9ad627b5commit | diff
auxdisplay: Add I2C gpio expander example

The hd44780 displays are often used with pcf8574 based I/O expanders.
Add example to documentation.

Signed-off-by: Ralf Schlatterbeck <rsc@runtux.com>
Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
Documentation/devicetree/bindings/auxdisplay/hit,hd44780.yaml diff | blob | history
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