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| author | Olof Johansson <olof@lixom.net> | 2016-11-18 18:23:06 -0800 |
|---|---|---|
| committer | Olof Johansson <olof@lixom.net> | 2016-11-18 18:23:06 -0800 |
| commit | dd3eedd338342a4e9dd87a54eeb81b87f2d0a286 (patch) | |
| tree | 9ad6d5082844647abdaa3a6e7ae2979af1f55e91 /include/dt-bindings | |
| parent | 78d375b97ea3ec2d9bcbda3e34d12681fa5e3499 (diff) | |
| parent | 68050eb6c611527232fe5574c7306e97e47499ef (diff) | |
Merge tag 'tegra-for-4.10-mailbox' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux into next/drivers
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>
Diffstat (limited to 'include/dt-bindings')
| -rw-r--r-- | include/dt-bindings/mailbox/tegra186-hsp.h | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/include/dt-bindings/mailbox/tegra186-hsp.h b/include/dt-bindings/mailbox/tegra186-hsp.h new file mode 100644 index 000000000000..f5d66e5f5f10 --- /dev/null +++ b/include/dt-bindings/mailbox/tegra186-hsp.h @@ -0,0 +1,24 @@ +/* + * 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 |