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-rw-r--r--include/linux/spi/pxa2xx_spi.h49
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 */
28struct 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 */
37struct 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
47extern void pxa2xx_set_spi_info(unsigned id, struct pxa2xx_spi_master *info);
48
49#endif