u-boot.git/drivers/core, branch v2018.05

SPDX: Convert all of our single license tags to Linux Kernel style

2018-05-07T13:34:12+00:00

When U-Boot started using SPDX tags we were among the early adopters and
there weren't a lot of other examples to borrow from.  So we picked the
area of the file that usually had a full license text and replaced it
with an appropriate SPDX-License-Identifier: entry.  Since then, the
Linux Kernel has adopted SPDX tags and they place it as the very first
line in a file (except where shebangs are used, then it's second line)
and with slightly different comment styles than us.

In part due to community overlap, in part due to better tag visibility
and in part for other minor reasons, switch over to that style.

This commit changes all instances where we have a single declared
license in the tag as both the before and after are identical in tag
contents.  There's also a few places where I found we did not have a tag
and have introduced one.

Signed-off-by: Tom Rini

core: ofnode: Fix translation for #size-cells == 0

2018-04-01T14:19:10+00:00

Commit 286ede6 ("drivers: core: Add translation in live tree case") made
dev_get_addr always use proper bus translations for addresses read from
the device tree. But this leads to problems with certain busses, e.g.
I2C busses, which run into an error during translation, and hence stop
working.

It turns out that of_translate_address() and fdt_translate_address()
stop the address translation with an error when they're asked to
translate addresses for busses where #size-cells == 0 (comment from
drivers/core/of_addr.c):

 * Note: We consider that crossing any level with #size-cells == 0 to mean
 * that translation is impossible (that is we are not dealing with a value
 * that can be mapped to a cpu physical address). This is not really specified
 * that way, but this is traditionally the way IBM at least do things

To fix this case, we check in both the live-tree and non-live tree-case,
whether the bus of the device whose address is about to be translated
has size-cell size zero. If this is the case, we just read the address
as a plain integer and return it, and only apply bus translations if the
size-cell size if greater than zero.

Signed-off-by: Mario Six 
Signed-off-by: Martin Fuzzey 
Reported-by: Martin Fuzzey 
Fixes: 286ede6 ("drivers: core: Add translation in live tree case")
Reviewed-by: Simon Glass

dm: core: make fixed-clock dt scan live dt compatible

2018-04-01T14:15:11+00:00

dm_scan_fdt_node can't work when live dt is active,
we should use dm_scan_fdt_live instead.

Signed-off-by: Andy Yan 
Reviewed-by: Simon Glass

core: add uclass_get_device_by_phandle_id() api

2018-03-31T07:59:59+00:00

Add api for who can not get phandle from a device property.

Signed-off-by: Kever Yang 
Reviewed-by: Philipp Tomsich

libfdt: move headers to and

2018-03-05T15:16:28+00:00

Thomas reported U-Boot failed to build host tools if libfdt-devel
package is installed because tools include libfdt headers from
/usr/include/ instead of using internal ones.

This commit moves the header code:
  include/libfdt.h         -> include/linux/libfdt.h
  include/libfdt_env.h     -> include/linux/libfdt_env.h

and replaces include directives:
  #include       -> #include 
  #include   -> #include 

Reported-by: Thomas Petazzoni 
Signed-off-by: Masahiro Yamada

core: add ofnode_get_by_phandle() api

2018-02-23T19:48:09+00:00

We need to get ofnode from a phandle, add interface to support
both live dt and fdt.

Signed-off-by: Kever Yang 
Reviewed-by: Simon Glass 
Reviewed-by: Philipp Tomsich 
Tested-by: Klaus Goger 
Signed-off-by: Philipp Tomsich

core: ofnode: add ofnode_get_parent function

2018-02-23T19:47:47+00:00

The Rockchip video drivers need to walk the ofnode-parrents to find
an enclosing device that has a UCLASS_DISPLAY driver bound.  This
adds a ofnode_get_parent()-function that returns the parent-node.

Signed-off-by: Philipp Tomsich 
Tested-by: Klaus Goger 
Reviewed-by: Anatolij Gustschin

dm: core: Add a function to look up a uclass by name

2018-02-03T17:08:40+00:00

Each uclass has a driver name which we can use to look up the uclass. This
is useful for logging, where the uclass ID is used as the category.

Add a function to handle this, as well as a test.

Signed-off-by: Simon Glass

clk: implement clk_set_defaults()

2018-01-28T16:12:36+00:00

Linux uses the properties 'assigned-clocks', 'assigned-clock-parents'
and 'assigned-clock-rates' to configure the clock subsystem for use
with various peripheral nodes.

This implements clk_set_defaults() and hooks it up with the general
device probibin in drivers/core/device.c: when a new device is probed,
clk_set_defaults() will be called for it and will process the
properties mentioned above.

Note that this functionality is designed to fail gracefully (i.e. if a
clock-driver does not implement set_parent(), we simply accept this
and ignore the error) as not to break existing board-support.

Signed-off-by: Philipp Tomsich 
Tested-by: David Wu 

Series-changes: 2
- Fixed David's email address.

Series-version: 2

Cover-letter:
clk: support assigned-clock, assigned-clock-parents, assigned-clock-rates

For various peripherals on Rockchip SoCs (e.g. for the Ethernet GMAC),
the parent-clock needs to be set via the DTS.  This adds the required
plumbing and implements the GMAC case for the RK3399.
END

Merge git://git.denx.de/u-boot-mmc

2018-01-24T16:28:44+00:00