diff options
Diffstat (limited to 'include/asm-generic')
| -rw-r--r-- | include/asm-generic/gpio.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/include/asm-generic/gpio.h b/include/asm-generic/gpio.h index 1ebb9c7..128249e 100644 --- a/include/asm-generic/gpio.h +++ b/include/asm-generic/gpio.h @@ -29,6 +29,9 @@ * Request a GPIO. This should be called before any of the other functions * are used on this GPIO. * + * Note: With driver model, the label is allocated so there is no need for + * the caller to preserve it. + * * @param gp GPIO number * @param label User label for this GPIO * @return 0 if ok, -1 on error @@ -157,11 +160,14 @@ struct dm_gpio_ops { * @gpio_base: Base GPIO number for this device. For the first active device * this will be 0; the numbering for others will follow sequentially so that * @gpio_base for device 1 will equal the number of GPIOs in device 0. + * @name: Array of pointers to the name for each GPIO in this bank. The + * value of the pointer will be NULL if the GPIO has not been claimed. */ struct gpio_dev_priv { const char *bank_name; unsigned gpio_count; unsigned gpio_base; + char **name; }; /* Access the GPIO operations for a device */ |