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gpio-rcar: Add support for IRQ_TYPE_EDGE_BOTH

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As hardware support for this feature is not universal for all SoCs a flag,
has_both_edge_trigger, has been added to the platform data of the driver to
allow this feature to be enabled.

The motivation for this is to allow use of the gpio-keys driver on the
lager board which is based on the r8a7790 SoC. The V2 of this patch has been
fully exercised using that driver on that board.

Signed-off-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
This commit is contained in:
Simon Horman 2013-05-24 18:47:24 +09:00
commit 7e1092b5a2
2 changed files with 22 additions and 5 deletions
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include/linux/platform_data/gpio-rcar.h
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@ -21,6 +21,7 @@ struct gpio_rcar_config {
unsigned int irq_base;
unsigned int number_of_pins;
const char *pctl_name;
unsigned has_both_edge_trigger:1;
};
#endif /* __GPIO_RCAR_H__ */