On 07/04/13 05:25, Tobias Diedrich wrote:
++static struct of_gpio_flag of_gpio_flags[] = {
++ { "in", GPIOF_DIR_IN },
++ { "out_init_low", GPIOF_OUT_INIT_LOW },
++ { "out_init_high", GPIOF_OUT_INIT_HIGH },
++ { "open_drain", GPIOF_OPEN_DRAIN },
++ { "open_source", GPIOF_OPEN_SOURCE },
++ { "active_low", GPIOF_ACTIVE_LOW },
++ { "changeable", GPIOF_EXPORT_CHANGEABLE },
++ { /* sentinel */ }
this seems overkill. the opendrain is defined via pinctrl. all other
options are defianble via the existing API afaict.
active low should be set via the gpio flags
gpios = &<&gpio0 2 1> <--- will use gpio 2 as active_low
changeable == pio-export,direction_may_change
if you look here -> you see the available options ->
https://dev.openwrt.org/browser/trunk/target/linux/ramips/patches-3.8/0209-owrt-GPIO-add-gpio_export_with_name.patch
correct me if i am wrong but i dont htink that big patch is needed to
make your use case work
John
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