diff options
Diffstat (limited to 'arch/arm/mach-s5pc100/setup-spi.c')
-rw-r--r-- | arch/arm/mach-s5pc100/setup-spi.c | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/arch/arm/mach-s5pc100/setup-spi.c b/arch/arm/mach-s5pc100/setup-spi.c new file mode 100644 index 000000000000..431a6f747caa --- /dev/null +++ b/arch/arm/mach-s5pc100/setup-spi.c | |||
@@ -0,0 +1,65 @@ | |||
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 | |||
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 | |||
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 | |||
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 | ||