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head/share/man/man9/fdt_pinctrl.9
| Show First 20 Lines • Show All 119 Lines • ▼ Show 20 Lines | npins = OF_getencprop_alloc_multi(cfgnode, "foo,pins", sizeof(*pins), | ||||
| (void **)&pins); | (void **)&pins); | ||||
| functions = NULL; | functions = NULL; | ||||
| nfunctions = OF_getencprop_alloc_multi(cfgnode, "foo,functions", | nfunctions = OF_getencprop_alloc_multi(cfgnode, "foo,functions", | ||||
| sizeof(*functions), (void **)&functions); | sizeof(*functions), (void **)&functions); | ||||
| ... | ... | ||||
| } | } | ||||
| static int | static int | ||||
| foo_is_gpio(device_t dev, device_t gpiodev, bool *is_gpio) | |||||
| { | |||||
| return (foo_is_pin_func_gpio(is_gpio)); | |||||
| } | |||||
| static int | |||||
| foo_set_flags(device_t dev, device_t gpiodev, uint32_t pin, uint32_t flags) | |||||
| { | |||||
| int rv; | |||||
| rv = foo_is_pin_func_gpio(is_gpio); | |||||
| if (rv != 0) | |||||
| return (rv); | |||||
| foo_set_flags(pin, flags); | |||||
| return (0); | |||||
| } | |||||
| static int | |||||
| foo_get_flags(device_t dev, device_t gpiodev, uint32_t pin, uint32_t *flags) | |||||
| { | |||||
| int rv; | |||||
| rv = foo_is_pin_func_gpio(is_gpio); | |||||
| if (rv != 0) | |||||
| return (rv); | |||||
| foo_get_flags(pin, flags); | |||||
| return (0); | |||||
| } | |||||
| static int | |||||
| foo_attach(device_t dev) | foo_attach(device_t dev) | ||||
| { | { | ||||
| ... | ... | ||||
| fdt_pinctrl_register(dev, "foo,pins"); | fdt_pinctrl_register(dev, "foo,pins"); | ||||
| /* | /* | ||||
| * It is possible to register more than one pinprop handler | * It is possible to register more than one pinprop handler | ||||
| */ | */ | ||||
| fdt_pinctrl_register(dev, "bar,pins"); | fdt_pinctrl_register(dev, "bar,pins"); | ||||
| fdt_pinctrl_configure_tree(dev); | fdt_pinctrl_configure_tree(dev); | ||||
| return (0); | return (0); | ||||
| } | } | ||||
| static device_method_t foo_methods[] = { | static device_method_t foo_methods[] = { | ||||
| ... | ... | ||||
| /* fdt_pinctrl interface */ | /* fdt_pinctrl interface */ | ||||
| DEVMETHOD(fdt_pinctrl_configure, foo_configure_pins), | DEVMETHOD(fdt_pinctrl_configure, foo_configure_pins), | ||||
| DEVMETHOD(fdt_pinctrl_is_gpio, foo_is_gpio), | |||||
| DEVMETHOD(fdt_pinctrl_set_flags, foo_set_flags), | |||||
| DEVMETHOD(fdt_pinctrl_get_flags, foo_get_flags), | |||||
| /* Terminate method list */ | /* Terminate method list */ | ||||
| DEVMETHOD_END | DEVMETHOD_END | ||||
| }; | }; | ||||
| DRIVER_MODULE(foo, simplebus, foo_driver, foo_devclass, NULL, NULL); | DRIVER_MODULE(foo, simplebus, foo_driver, foo_devclass, NULL, NULL); | ||||
| .Ed | .Ed | ||||
| .Sh SEE ALSO | .Sh SEE ALSO | ||||
| .Xr fdt_pinctrl 4 , | .Xr fdt_pinctrl 4 , | ||||
| .Sh AUTHORS | .Sh AUTHORS | ||||
| This manual page was written by | This manual page was written by | ||||
| .An Oleksandr Tymoshenko . | .An Oleksandr Tymoshenko . | ||||