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| author | Simon Glass <sjg@chromium.org> | 2019-12-29 21:19:20 -0700 |
|---|---|---|
| committer | Simon Glass <sjg@chromium.org> | 2020-01-07 16:02:38 -0700 |
| commit | bcd90cb6928414e14942c01af374863d4049a25d (patch) | |
| tree | a723be66a27d3376b82553841b38a969cc766b5e /include/dm | |
| parent | 04e19ffded40d97502961485a3ce7db6f3d590be (diff) | |
| download | u-boot-bcd90cb6928414e14942c01af374863d4049a25d.tar.gz u-boot-bcd90cb6928414e14942c01af374863d4049a25d.tar.xz u-boot-bcd90cb6928414e14942c01af374863d4049a25d.zip | |
dm: core: Export a new function to read platdata
Add a new internal function, device_ofdata_to_platdata() to handle
allocating private space associated with each device and reading the
platform data from the device tree.
Call this new function from device_probe().
Signed-off-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'include/dm')
| -rw-r--r-- | include/dm/device-internal.h | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/include/dm/device-internal.h b/include/dm/device-internal.h index ee2b24a62a..294d6c1810 100644 --- a/include/dm/device-internal.h +++ b/include/dm/device-internal.h @@ -84,6 +84,22 @@ int device_bind_by_name(struct udevice *parent, bool pre_reloc_only, const struct driver_info *info, struct udevice **devp); /** + * device_ofdata_to_platdata() - Read platform data for a device + * + * Read platform data for a device (typically from the device tree) so that + * the information needed to probe the device is present. + * + * This may cause some others devices to be probed if this one depends on them, + * e.g. a GPIO line will cause a GPIO device to be probed. + * + * All private data associated with the device is allocated. + * + * @dev: Pointer to device to process + * @return 0 if OK, -ve on error + */ +int device_ofdata_to_platdata(struct udevice *dev); + +/** * device_probe() - Probe a device, activating it * * Activate a device so that it is ready for use. All its parents are probed |