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1 | /* linux/arch/arm/plat-s3c24xx/spi-bus0-gpd8_9_10.c |
2 | * | |
3 | * Copyright (c) 2008 Simtec Electronics | |
4 | * http://armlinux.simtec.co.uk/ | |
5 | * Ben Dooks <ben@simtec.co.uk> | |
6 | * | |
7 | * S3C24XX SPI - gpio configuration for bus 1 on gpd8,9,10 | |
8 | * | |
9 | * This program is free software; you can redistribute it and/or modify | |
10 | * it under the terms of the GNU General Public License as published by | |
11 | * the Free Software Foundation; either version 2 of the License. | |
12 | */ | |
13 | ||
14 | #include <linux/kernel.h> | |
15 | #include <linux/gpio.h> | |
16 | ||
17 | #include <mach/spi.h> | |
18 | #include <mach/regs-gpio.h> | |
19 | ||
20 | void s3c24xx_spi_gpiocfg_bus1_gpd8_9_10(struct s3c2410_spi_info *spi, | |
21 | int enable) | |
22 | { | |
23 | ||
24 | printk(KERN_INFO "%s(%d)\n", __func__, enable); | |
25 | if (enable) { | |
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26 | s3c_gpio_cfgpin(S3C2410_GPD(10), S3C2440_GPD10_SPICLK1); |
27 | s3c_gpio_cfgpin(S3C2410_GPD(9), S3C2440_GPD9_SPIMOSI1); | |
28 | s3c_gpio_cfgpin(S3C2410_GPD(8), S3C2440_GPD8_SPIMISO1); | |
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29 | s3c2410_gpio_pullup(S3C2410_GPD(10), 0); |
30 | s3c2410_gpio_pullup(S3C2410_GPD(9), 0); | |
31 | } else { | |
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32 | s3c_gpio_cfgpin(S3C2410_GPD(8), S3C2410_GPIO_INPUT); |
33 | s3c_gpio_cfgpin(S3C2410_GPD(9), S3C2410_GPIO_INPUT); | |
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34 | s3c_gpio_cfgpull(S3C2410_GPD(10), S3C_GPIO_PULL_NONE); |
35 | s3c_gpio_cfgpull(S3C2410_GPD(9), S3C_GPIO_PULL_NONE); | |
36 | s3c_gpio_cfgpull(S3C2410_GPD(8), S3C_GPIO_PULL_NONE); | |
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37 | } |
38 | } |