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mailbox: add Tegra186 HSP driver

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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 <swarren@nvidia.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Acked-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Stephen Warren
2016-06-17 09:43:57 -06:00
committed by Simon Glass
parent 769d52ef0f
commit 0f67e2395b
6 changed files with 200 additions and 0 deletions
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14
include/dt-bindings/mailbox/tegra-hsp.h Normal file
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/*
* This header provides constants for binding nvidia,tegra186-hsp.
*
* The number with TEGRA_HSP_MASTER prefix indicates the bit that is
* associated with a master ID in the doorbell registers.
*/
#ifndef _DT_BINDINGS_MAILBOX_TEGRA186_HSP_H
#define _DT_BINDINGS_MAILBOX_TEGRA186_HSP_H
#define TEGRA_HSP_MASTER_CCPLEX 17
#define TEGRA_HSP_MASTER_BPMP 19
#endif