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path: root/drivers/gpio/gpio-74164.c
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* gpio: gpio-74164: Add 74lvc594 IDAlexander Shiyan2017-01-101-0/+1
| | | | | | | | The latest kernel gpio-74x164 driver supports 74LVC594 IC ID. Patch adds such ID to barebox driver. Signed-off-by: Alexander Shiyan <shc_work@mail.ru> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* gpio: Add driver for 74x164 compatible shift-registersSebastian Hesselbarth2015-04-271-0/+131
A 74x164 shift register can be seen as a SPI attached GPIO expander. This adds a driver for those poor-man expanders based on the Linux driver. Signed-off-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>