diff options
Diffstat (limited to 'arch/arm/mach-s3c24xx/setup-spi.c')
-rw-r--r-- | arch/arm/mach-s3c24xx/setup-spi.c | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/arch/arm/mach-s3c24xx/setup-spi.c b/arch/arm/mach-s3c24xx/setup-spi.c new file mode 100644 index 000000000000..5712c85f39b1 --- /dev/null +++ b/arch/arm/mach-s3c24xx/setup-spi.c | |||
@@ -0,0 +1,39 @@ | |||
1 | /* | ||
2 | * HS-SPI device setup for S3C2443/S3C2416 | ||
3 | * | ||
4 | * Copyright (C) 2011 Samsung Electronics Ltd. | ||
5 | * http://www.samsung.com/ | ||
6 | * | ||
7 | * This program is free software; you can redistribute it and/or modify | ||
8 | * it under the terms of the GNU General Public License version 2 as | ||
9 | * published by the Free Software Foundation. | ||
10 | */ | ||
11 | |||
12 | #include <linux/gpio.h> | ||
13 | #include <linux/platform_device.h> | ||
14 | |||
15 | #include <plat/gpio-cfg.h> | ||
16 | #include <plat/s3c64xx-spi.h> | ||
17 | |||
18 | #include <mach/hardware.h> | ||
19 | #include <mach/regs-gpio.h> | ||
20 | |||
21 | #ifdef CONFIG_S3C64XX_DEV_SPI0 | ||
22 | struct s3c64xx_spi_info s3c64xx_spi0_pdata __initdata = { | ||
23 | .fifo_lvl_mask = 0x7f, | ||
24 | .rx_lvl_offset = 13, | ||
25 | .tx_st_done = 21, | ||
26 | .high_speed = 1, | ||
27 | }; | ||
28 | |||
29 | int s3c64xx_spi0_cfg_gpio(struct platform_device *pdev) | ||
30 | { | ||
31 | /* enable hsspi bit in misccr */ | ||
32 | s3c2410_modify_misccr(S3C2416_MISCCR_HSSPI_EN2, 1); | ||
33 | |||
34 | s3c_gpio_cfgall_range(S3C2410_GPE(11), 3, | ||
35 | S3C_GPIO_SFN(2), S3C_GPIO_PULL_UP); | ||
36 | |||
37 | return 0; | ||
38 | } | ||
39 | #endif | ||