summaryrefslogtreecommitdiff
path: root/arch/arm/mach-bcm283x/include/mach/msg.h
blob: 8fd4ace124dda5ab4c9aa976d4ba3b57789594cc (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
/*
 * (C) Copyright 2012,2015 Stephen Warren
 *
 * SPDX-License-Identifier:	GPL-2.0+
 */

#ifndef _BCM2835_MSG_H
#define _BCM2835_MSG_H

/**
 * bcm2835_power_on_module() - power on an SoC module
 *
 * @module: ID of module to power on (BCM2835_MBOX_POWER_DEVID_...)
 * @return 0 if OK, -EIO on error
 */
int bcm2835_power_on_module(u32 module);

/**
 * bcm2835_get_mmc_clock() - get the frequency of the MMC clock
 *
 * @return clock frequency, or -ve on error
 */
int bcm2835_get_mmc_clock(void);

#endif