diff options
| -rw-r--r-- | drivers/pch/pch-uclass.c | 11 | ||||
| -rw-r--r-- | include/pch.h | 18 |
2 files changed, 29 insertions, 0 deletions
diff --git a/drivers/pch/pch-uclass.c b/drivers/pch/pch-uclass.c index b33d50201b..48a3965a76 100644 --- a/drivers/pch/pch-uclass.c +++ b/drivers/pch/pch-uclass.c @@ -33,6 +33,17 @@ int pch_set_spi_protect(struct udevice *dev, bool protect) return ops->set_spi_protect(dev, protect); } +int pch_get_gpio_base(struct udevice *dev, u32 *gbasep) +{ + struct pch_ops *ops = pch_get_ops(dev); + + *gbasep = 0; + if (!ops->get_gpio_base) + return -ENOSYS; + + return ops->get_gpio_base(dev, gbasep); +} + static int pch_uclass_post_bind(struct udevice *bus) { /* diff --git a/include/pch.h b/include/pch.h index c04cfa32bc..b378865c67 100644 --- a/include/pch.h +++ b/include/pch.h @@ -32,6 +32,15 @@ struct pch_ops { * @return 0 on success, -ENOSYS if not implemented */ int (*set_spi_protect)(struct udevice *dev, bool protect); + + /** + * get_gpio_base() - get the address of GPIO base + * + * @dev: PCH device to check + * @gbasep: Returns address of GPIO base if available, else 0 + * @return 0 if OK, -ve on error (e.g. there is no GPIO base) + */ + int (*get_gpio_base)(struct udevice *dev, u32 *gbasep); }; #define pch_get_ops(dev) ((struct pch_ops *)(dev)->driver->ops) @@ -55,4 +64,13 @@ int pch_get_spi_base(struct udevice *dev, ulong *sbasep); */ int pch_set_spi_protect(struct udevice *dev, bool protect); +/** + * pch_get_gpio_base() - get the address of GPIO base + * + * @dev: PCH device to check + * @gbasep: Returns address of GPIO base if available, else 0 + * @return 0 if OK, -ve on error (e.g. there is no GPIO base) + */ +int pch_get_gpio_base(struct udevice *dev, u32 *gbasep); + #endif |