diff options
Diffstat (limited to 'include/dm')
| -rw-r--r-- | include/dm/device-internal.h | 10 | ||||
| -rw-r--r-- | include/dm/device.h | 19 | ||||
| -rw-r--r-- | include/dm/lists.h | 13 | ||||
| -rw-r--r-- | include/dm/util.h | 6 |
4 files changed, 48 insertions, 0 deletions
diff --git a/include/dm/device-internal.h b/include/dm/device-internal.h index 44cb7ef..f0cc794 100644 --- a/include/dm/device-internal.h +++ b/include/dm/device-internal.h @@ -87,7 +87,11 @@ int device_probe_child(struct udevice *dev, void *parent_priv); * @dev: Pointer to device to remove * @return 0 if OK, -ve on error (an error here is normally a very bad thing) */ +#ifdef CONFIG_DM_DEVICE_REMOVE int device_remove(struct udevice *dev); +#else +static inline int device_remove(struct udevice *dev) { return 0; } +#endif /** * device_unbind() - Unbind a device, destroying it @@ -99,6 +103,12 @@ int device_remove(struct udevice *dev); */ int device_unbind(struct udevice *dev); +#ifdef CONFIG_DM_DEVICE_REMOVE +void device_free(struct udevice *dev); +#else +static inline void device_free(struct udevice *dev) {} +#endif + /* Cast away any volatile pointer */ #define DM_ROOT_NON_CONST (((gd_t *)gd)->dm_root) #define DM_UCLASS_ROOT_NON_CONST (((gd_t *)gd)->uclass_root) diff --git a/include/dm/device.h b/include/dm/device.h index 9ce95a8..13598a1 100644 --- a/include/dm/device.h +++ b/include/dm/device.h @@ -47,6 +47,7 @@ struct driver_info; * @name: Name of device, typically the FDT node name * @platdata: Configuration data for this device * @of_offset: Device tree node offset for this device (- for none) + * @of_id: Pointer to the udevice_id structure which created the device * @parent: Parent of this device, or NULL for the top level device * @priv: Private data for this device * @uclass: Pointer to uclass for this device @@ -65,6 +66,7 @@ struct udevice { const char *name; void *platdata; int of_offset; + const struct udevice_id *of_id; struct udevice *parent; void *priv; struct uclass *uclass; @@ -206,6 +208,23 @@ void *dev_get_parentdata(struct udevice *dev); void *dev_get_priv(struct udevice *dev); /** + * struct dev_get_parent() - Get the parent of a device + * + * @child: Child to check + * @return parent of child, or NULL if this is the root device + */ +struct udevice *dev_get_parent(struct udevice *child); + +/** + * dev_get_of_data() - get the device tree data used to bind a device + * + * When a device is bound using a device tree node, it matches a + * particular compatible string as in struct udevice_id. This function + * returns the associated data value for that compatible string + */ +ulong dev_get_of_data(struct udevice *dev); + +/** * device_get_child() - Get the child of a device by index * * Returns the numbered child, 0 being the first. This does not use diff --git a/include/dm/lists.h b/include/dm/lists.h index 704e33e..1b50af9 100644 --- a/include/dm/lists.h +++ b/include/dm/lists.h @@ -60,4 +60,17 @@ int lists_bind_drivers(struct udevice *parent, bool pre_reloc_only); int lists_bind_fdt(struct udevice *parent, const void *blob, int offset, struct udevice **devp); +/** + * device_bind_driver() - bind a device to a driver + * + * This binds a new device to a driver. + * + * @parent: Parent device + * @drv_name: Name of driver to attach to this parent + * @dev_name: Name of the new device thus created + * @devp: Returns the newly bound device + */ +int device_bind_driver(struct udevice *parent, const char *drv_name, + const char *dev_name, struct udevice **devp); + #endif diff --git a/include/dm/util.h b/include/dm/util.h index 6ac3a38..0cec17b 100644 --- a/include/dm/util.h +++ b/include/dm/util.h @@ -7,7 +7,13 @@ #ifndef __DM_UTIL_H #define __DM_UTIL_H +#ifdef CONFIG_DM_WARN void dm_warn(const char *fmt, ...); +#else +static inline void dm_warn(const char *fmt, ...) +{ +} +#endif #ifdef DEBUG void dm_dbg(const char *fmt, ...); |