u-boot.git/drivers/mailbox, branch v2017.09

dm: mailbox: Update uclass to support livetree

2017-06-01T13:03:15+00:00

Update the mailbox uclass to support livetree. Fix the xlate() method
in all callers.

Signed-off-by: Simon Glass

dm: Rename dev_addr..() functions

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

These support the flat device tree. We want to use the dev_read_..()
prefix for functions that support both flat tree and live tree. So rename
the existing functions to avoid confusion.

In the end we will have:

   1. dev_read_addr...()    - works on devices, supports flat/live tree
   2. devfdt_get_addr...()  - current functions, flat tree only
   3. of_get_address() etc. - new functions, live tree only

All drivers will be written to use 1. That function will in turn call
either 2 or 3 depending on whether the flat or live tree is in use.

Note this involves changing some dead code - the imx_lpi2c.c file.

Signed-off-by: Simon Glass

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

libfdt: Bring in upstream stringlist functions

2016-10-13T19:54:10+00:00

These have now landed upstream. The naming is different and in one case the
function signature has changed. Update the code to match.

This applies the following upstream commits by
Thierry Reding  :

   604e61e fdt: Add functions to retrieve strings
   8702bd1 fdt: Add a function to get the index of a string
   2218387 fdt: Add a function to count strings

Signed-off-by: Simon Glass

ARM: tegra: adapt to latest HSP DT binding

2016-08-04T20:36:58+00:00

The DT binding for the Tegra186 HSP module apparently wasn't quite final
when I posted initial U-Boot support for it. Add the final DT binding doc
and adapt all code and DT files to match it.

Signed-off-by: Stephen Warren 
Reviewed-by: Simon Glass 
Signed-off-by: Tom Warren

mailbox: add Tegra186 HSP driver

2016-06-19T23:05:55+00:00

Tegra186's HSP module implements doorbells, mailboxes, semaphores, and
shared interrupts. This patch provides a driver for HSP, and hooks it
into the mailbox API. Currently, only doorbells are supported.

Signed-off-by: Stephen Warren 
Reviewed-by: Simon Glass 
Acked-by: Simon Glass

mailbox: rename headers

2016-06-19T23:05:55+00:00

Rename mailbox*.h to match the naming convention requested during review
of the new reset subsystem.

Signed-off-by: Stephen Warren 
Acked-by: Simon Glass

mailbox: implement a sandbox test

2016-05-27T02:48:31+00:00

This adds a sandbox mailbox implementation (provider), a test client
device, instantiates them both from Sandbox's DT, and adds a DM test
that excercises everything.

Signed-off-by: Stephen Warren 
Acked-by: Simon Glass  # v1

Add a mailbox driver framework/uclass

2016-05-27T02:48:31+00:00

A mailbox is a hardware mechanism for transferring small message and/or
notifications between the CPU on which U-Boot runs and some other device
such as an auxilliary CPU running firmware or a hardware module.

This patch defines a standard API that connects mailbox clients to mailbox
providers (drivers). Initially, DT is the only supported method for
connecting the two.

The DT binding specification (mailbox.txt) was taken from Linux kernel
v4.5's Documentation/devicetree/bindings/mailbox/mailbox.txt.

Signed-off-by: Stephen Warren 
Acked-by: Simon Glass