blob: b87cecd9bbdc08fda122ed5842d7403af4be0f73 (
plain) (
blame)
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
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
|
/*
* Copyright (C) 2005 Stephen Street / StreetFire Sound Labs
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifndef PXA2XX_SPI_H_
#define PXA2XX_SPI_H_
#define PXA2XX_CS_ASSERT (0x01)
#define PXA2XX_CS_DEASSERT (0x02)
/* device.platform_data for SSP controller devices */
struct pxa2xx_spi_master {
u32 clock_enable;
u16 num_chipselect;
u8 enable_dma;
};
/* spi_board_info.controller_data for SPI slave devices,
* copied to spi_device.platform_data ... mostly for dma tuning
*/
struct pxa2xx_spi_chip {
u8 tx_threshold;
u8 rx_threshold;
u8 dma_burst_size;
u32 timeout;
u8 enable_loopback;
int gpio_cs;
void (*cs_control)(u32 command);
};
extern void pxa2xx_set_spi_info(unsigned id, struct pxa2xx_spi_master *info);
#endif /*PXA2XX_SPI_H_*/
|
