diff options
Diffstat (limited to 'include/linux/gpio/driver.h')
| -rw-r--r-- | include/linux/gpio/driver.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/include/linux/gpio/driver.h b/include/linux/gpio/driver.h index cc9ade4552d9..e2480ef94c55 100644 --- a/include/linux/gpio/driver.h +++ b/include/linux/gpio/driver.h @@ -289,6 +289,9 @@ struct gpio_irq_chip { * state (such as pullup/pulldown configuration). * @init_valid_mask: optional routine to initialize @valid_mask, to be used if * not all GPIOs are valid. + * @add_pin_ranges: optional routine to initialize pin ranges, to be used when + * requires special mapping of the pins that provides GPIO functionality. + * It is called after adding GPIO chip and before adding IRQ chip. * @base: identifies the first GPIO number handled by this chip; * or, if negative during registration, requests dynamic ID allocation. * DEPRECATION: providing anything non-negative and nailing the base @@ -379,6 +382,8 @@ struct gpio_chip { unsigned long *valid_mask, unsigned int ngpios); + int (*add_pin_ranges)(struct gpio_chip *chip); + int base; u16 ngpio; const char *const *names; |