1 /* linux/arch/arm/mach-s5pc100/setup-spi.c
2 *
3 * Copyright (C) 2011 Samsung Electronics Ltd.
4 * http://www.samsung.com/
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 as
8 * published by the Free Software Foundation.
9 */
10
11 #include <linux/gpio.h>
12 #include <linux/platform_device.h>
13
14 #include <plat/gpio-cfg.h>
15 #include <plat/s3c64xx-spi.h>
16
17 #ifdef CONFIG_S3C64XX_DEV_SPI0
18 struct s3c64xx_spi_info s3c64xx_spi0_pdata __initdata = {
19 .fifo_lvl_mask = 0x7f,
20 .rx_lvl_offset = 13,
21 .high_speed = 1,
22 .tx_st_done = 21,
23 };
24
s3c64xx_spi0_cfg_gpio(struct platform_device * dev)25 int s3c64xx_spi0_cfg_gpio(struct platform_device *dev)
26 {
27 s3c_gpio_cfgall_range(S5PC100_GPB(0), 3,
28 S3C_GPIO_SFN(2), S3C_GPIO_PULL_UP);
29 return 0;
30 }
31 #endif
32
33 #ifdef CONFIG_S3C64XX_DEV_SPI1
34 struct s3c64xx_spi_info s3c64xx_spi1_pdata __initdata = {
35 .fifo_lvl_mask = 0x7f,
36 .rx_lvl_offset = 13,
37 .high_speed = 1,
38 .tx_st_done = 21,
39 };
40
s3c64xx_spi1_cfg_gpio(struct platform_device * dev)41 int s3c64xx_spi1_cfg_gpio(struct platform_device *dev)
42 {
43 s3c_gpio_cfgall_range(S5PC100_GPB(4), 3,
44 S3C_GPIO_SFN(2), S3C_GPIO_PULL_UP);
45 return 0;
46 }
47 #endif
48
49 #ifdef CONFIG_S3C64XX_DEV_SPI2
50 struct s3c64xx_spi_info s3c64xx_spi2_pdata __initdata = {
51 .fifo_lvl_mask = 0x7f,
52 .rx_lvl_offset = 13,
53 .high_speed = 1,
54 .tx_st_done = 21,
55 };
56
s3c64xx_spi2_cfg_gpio(struct platform_device * dev)57 int s3c64xx_spi2_cfg_gpio(struct platform_device *dev)
58 {
59 s3c_gpio_cfgpin(S5PC100_GPG3(0), S3C_GPIO_SFN(3));
60 s3c_gpio_setpull(S5PC100_GPG3(0), S3C_GPIO_PULL_UP);
61 s3c_gpio_cfgall_range(S5PC100_GPB(2), 2,
62 S3C_GPIO_SFN(3), S3C_GPIO_PULL_UP);
63 return 0;
64 }
65 #endif
66