|  | /* SPDX-License-Identifier: GPL-2.0 */ | 
|  | /* | 
|  | * 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 |