u-boot.git/drivers/core/regmap.c, branch v2017.07

dm: regmap: Add support for livetree

2017-06-01T13:03:09+00:00

Modify regmap to support livetree.

Signed-off-by: Simon Glass

dm: core: Replace of_offset with accessor (part 2)

2017-06-01T13:03:04+00:00

At present devices use a simple integer offset to record the device tree
node associated with the device. In preparation for supporting a live
device tree, which uses a node pointer instead, refactor existing code to
access this field through an inline function.

Signed-off-by: Simon Glass

regmap: use fdt address translation

2017-03-22T13:27:19+00:00

In the DTS, the addresses are defined relative to the parent bus. We need
to translate them to get the address as seen by the CPU core.

Signed-off-by: Jean-Jacques Hiblot

dm: core: Replace of_offset with accessor

2017-02-08T13:12:14+00:00

At present devices use a simple integer offset to record the device tree
node associated with the device. In preparation for supporting a live
device tree, which uses a node pointer instead, refactor existing code to
access this field through an inline function.

Signed-off-by: Simon Glass

dm: regmap: Implement simple regmap_read & regmap_write

2016-09-21T13:04:32+00:00

The regmap_read & regmap_write functions were previously declared in
regmap.h but not implemented anywhere. The regmap implementation &
commit message of 6f98b7504f70 ("dm: Add support for register maps
(regmap)") indicate that only memory mapped accesses are supported for
now, so providing simple implementations of regmap_read & regmap_write
is trivial. The access size is presumed to be 4 bytes & endianness is
presumed native, which are the defaults for the regmap code in Linux.

Signed-off-by: Paul Burton 
Reviewed-by: Simon Glass

dm: core: Add an implementation of regmap_init_mem_platdata()

2016-07-15T02:40:24+00:00

Add an implementation of this function which mirrors the functions of the
automatic device-tree implementation. This can be used with of-platdata to
create regmaps.

Signed-off-by: Simon Glass

dm: core: Move regmap allocation into a separate function

2016-07-15T02:40:24+00:00

We plan to add a new way of creating a regmap for of-platdata. Move the
allocation code into a separate function so that it can be shared.

Signed-off-by: Simon Glass

dm: regmap: Add a dummy implementation for of-platdata

2016-07-15T02:40:24+00:00

Add a placeholder for now so that this code will compile. It currently does
nothing.

Signed-off-by: Simon Glass

dm: Add support for register maps (regmap)

2015-07-21T23:39:23+00:00

Add a simple implementaton of register maps, supporting only direct I/O
for now. This can be enhanced later to support buses which have registers,
such as I2C, SPI and PCI.

It allows drivers which can operate with multiple buses to avoid dealing
with the particulars of register access on that bus.

Signed-off-by: Simon Glass