diff options
Diffstat (limited to 'include/linux/spi/pxa2xx_spi.h')
-rw-r--r-- | include/linux/spi/pxa2xx_spi.h | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/include/linux/spi/pxa2xx_spi.h b/include/linux/spi/pxa2xx_spi.h new file mode 100644 index 000000000000..471ed6889113 --- /dev/null +++ b/include/linux/spi/pxa2xx_spi.h | |||
@@ -0,0 +1,49 @@ | |||
1 | /* | ||
2 | * Copyright (C) 2005 Stephen Street / StreetFire Sound Labs | ||
3 | * | ||
4 | * This program is free software; you can redistribute it and/or modify | ||
5 | * it under the terms of the GNU General Public License as published by | ||
6 | * the Free Software Foundation; either version 2 of the License, or | ||
7 | * (at your option) any later version. | ||
8 | * | ||
9 | * This program is distributed in the hope that it will be useful, | ||
10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
12 | * GNU General Public License for more details. | ||
13 | * | ||
14 | * You should have received a copy of the GNU General Public License | ||
15 | * along with this program; if not, write to the Free Software | ||
16 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | ||
17 | */ | ||
18 | #ifndef __linux_pxa2xx_spi_h | ||
19 | #define __linux_pxa2xx_spi_h | ||
20 | |||
21 | #include <linux/pxa2xx_ssp.h> | ||
22 | #include <mach/dma.h> | ||
23 | |||
24 | #define PXA2XX_CS_ASSERT (0x01) | ||
25 | #define PXA2XX_CS_DEASSERT (0x02) | ||
26 | |||
27 | /* device.platform_data for SSP controller devices */ | ||
28 | struct pxa2xx_spi_master { | ||
29 | u32 clock_enable; | ||
30 | u16 num_chipselect; | ||
31 | u8 enable_dma; | ||
32 | }; | ||
33 | |||
34 | /* spi_board_info.controller_data for SPI slave devices, | ||
35 | * copied to spi_device.platform_data ... mostly for dma tuning | ||
36 | */ | ||
37 | struct pxa2xx_spi_chip { | ||
38 | u8 tx_threshold; | ||
39 | u8 rx_threshold; | ||
40 | u8 dma_burst_size; | ||
41 | u32 timeout; | ||
42 | u8 enable_loopback; | ||
43 | int gpio_cs; | ||
44 | void (*cs_control)(u32 command); | ||
45 | }; | ||
46 | |||
47 | extern void pxa2xx_set_spi_info(unsigned id, struct pxa2xx_spi_master *info); | ||
48 | |||
49 | #endif | ||