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Merge tag 'tegra-for-4.10-mailbox' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux into next/drivers

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mailbox: Add Tegra HSP driver

This contains the device tree bindings and a driver for the Tegra HSP, a
hardware block that provides hardware synchronization primitives and is
the foundation for inter-processor communication between CPU and BPMP.

* tag 'tegra-for-4.10-mailbox' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux:
  mailbox: tegra-hsp: Use after free in tegra_hsp_remove_doorbells()
  mailbox: Add Tegra HSP driver
  dt-bindings: mailbox: Add Tegra HSP binding
  soc/tegra: Add Tegra186 support

Signed-off-by: Olof Johansson <olof@lixom.net>
This commit is contained in:
Olof Johansson
2016-11-18 18:23:06 -08:00
parent 78d375b97e 68050eb6c6
commit dd3eedd338
6 changed files with 580 additions and 0 deletions
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24
include/dt-bindings/mailbox/tegra186-hsp.h Normal file
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/*
* This header provides constants for binding nvidia,tegra186-hsp.
*/
#ifndef _DT_BINDINGS_MAILBOX_TEGRA186_HSP_H
#define _DT_BINDINGS_MAILBOX_TEGRA186_HSP_H
/*
* These define the type of mailbox that is to be used (doorbell, shared
* mailbox, shared semaphore or arbitrated semaphore).
*/
#define TEGRA_HSP_MBOX_TYPE_DB 0x0
#define TEGRA_HSP_MBOX_TYPE_SM 0x1
#define TEGRA_HSP_MBOX_TYPE_SS 0x2
#define TEGRA_HSP_MBOX_TYPE_AS 0x3
/*
* These defines represent the bit associated with the given master ID in the
* doorbell registers.
*/
#define TEGRA_HSP_DB_MASTER_CCPLEX 17
#define TEGRA_HSP_DB_MASTER_BPMP 19
#endif