diff options
author | Padmavathi Venna <padma.v@samsung.com> | 2011-12-22 20:14:50 -0500 |
---|---|---|
committer | Kukjin Kim <kgene.kim@samsung.com> | 2011-12-22 20:50:02 -0500 |
commit | 25dada97a977e27fd59eed154290c8b03f0ccf17 (patch) | |
tree | 712c5bf669f010ada669e57cfdb615e66a2ed413 /arch/arm/mach-s5p64x0/setup-spi.c | |
parent | 323d7717455e7709a2c923f42349bf2ed36992a3 (diff) |
ARM: S5P64X0: Modified files for SPI consolidation work
As SPI platform devices are consolidated to plat-samsung, some
corresponding changes are required in the respective machine folder.
Added SPI Setup file for GPIO configurations and platform data
initialization.
Signed-off-by: Padmavathi Venna <padma.v@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
Diffstat (limited to 'arch/arm/mach-s5p64x0/setup-spi.c')
-rw-r--r-- | arch/arm/mach-s5p64x0/setup-spi.c | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/arch/arm/mach-s5p64x0/setup-spi.c b/arch/arm/mach-s5p64x0/setup-spi.c new file mode 100644 index 00000000000..e9b84124035 --- /dev/null +++ b/arch/arm/mach-s5p64x0/setup-spi.c | |||
@@ -0,0 +1,55 @@ | |||
1 | /* linux/arch/arm/mach-s5p64x0/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 | #include <linux/io.h> | ||
14 | |||
15 | #include <plat/gpio-cfg.h> | ||
16 | #include <plat/cpu.h> | ||
17 | #include <plat/s3c64xx-spi.h> | ||
18 | |||
19 | #ifdef CONFIG_S3C64XX_DEV_SPI0 | ||
20 | struct s3c64xx_spi_info s3c64xx_spi0_pdata __initdata = { | ||
21 | .fifo_lvl_mask = 0x1ff, | ||
22 | .rx_lvl_offset = 15, | ||
23 | .tx_st_done = 25, | ||
24 | }; | ||
25 | |||
26 | int s3c64xx_spi0_cfg_gpio(struct platform_device *dev) | ||
27 | { | ||
28 | if (soc_is_s5p6450()) | ||
29 | s3c_gpio_cfgall_range(S5P6450_GPC(0), 3, | ||
30 | S3C_GPIO_SFN(2), S3C_GPIO_PULL_UP); | ||
31 | else | ||
32 | s3c_gpio_cfgall_range(S5P6440_GPC(0), 3, | ||
33 | S3C_GPIO_SFN(2), S3C_GPIO_PULL_UP); | ||
34 | return 0; | ||
35 | } | ||
36 | #endif | ||
37 | |||
38 | #ifdef CONFIG_S3C64XX_DEV_SPI1 | ||
39 | struct s3c64xx_spi_info s3c64xx_spi1_pdata __initdata = { | ||
40 | .fifo_lvl_mask = 0x7f, | ||
41 | .rx_lvl_offset = 15, | ||
42 | .tx_st_done = 25, | ||
43 | }; | ||
44 | |||
45 | int s3c64xx_spi1_cfg_gpio(struct platform_device *dev) | ||
46 | { | ||
47 | if (soc_is_s5p6450()) | ||
48 | s3c_gpio_cfgall_range(S5P6450_GPC(4), 3, | ||
49 | S3C_GPIO_SFN(2), S3C_GPIO_PULL_UP); | ||
50 | else | ||
51 | s3c_gpio_cfgall_range(S5P6440_GPC(4), 3, | ||
52 | S3C_GPIO_SFN(2), S3C_GPIO_PULL_UP); | ||
53 | return 0; | ||
54 | } | ||
55 | #endif | ||