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auxdisplay: Add I2C gpio expander example
authorRalf Schlatterbeck <rsc@runtux.com>
Wed, 19 May 2021 11:54:51 +0000 (13:54 +0200)
committerMiguel Ojeda <ojeda@kernel.org>
Wed, 9 Jun 2021 13:52:36 +0000 (15:52 +0200)
commitc784e46c8445635afd81bd4089fc5e87271a8f3b
tree154b0b7d6dc4c05d15fba6818c1003a0afe3abeftree | snapshot
parent614124bea77e452aa6df7a8714e8bc820b489922commit | diff
auxdisplay: Add I2C gpio expander example

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

Suggested-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Ralf Schlatterbeck <rsc@runtux.com>
[Added Suggested-by tag]
Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
Documentation/devicetree/bindings/auxdisplay/hit,hd44780.yaml diff | blob | blame | history
Linux 6.x block layer and io_uring tree(s)