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b2a6cf3b BD |
1 | /* linux/arch/arm/plat-s3c24xx/spi-bus0-gpe11_12_13.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 0 on gpe11,12,13 | |
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 | ||
16 | #include <mach/hardware.h> | |
17 | ||
18 | #include <mach/spi.h> | |
19 | #include <mach/regs-gpio.h> | |
20 | ||
21 | void s3c24xx_spi_gpiocfg_bus0_gpe11_12_13(struct s3c2410_spi_info *spi, | |
22 | int enable) | |
23 | { | |
24 | if (enable) { | |
25 | s3c2410_gpio_cfgpin(S3C2410_GPE13, S3C2410_GPE13_SPICLK0); | |
26 | s3c2410_gpio_cfgpin(S3C2410_GPE12, S3C2410_GPE12_SPIMOSI0); | |
27 | s3c2410_gpio_cfgpin(S3C2410_GPE11, S3C2410_GPE11_SPIMISO0); | |
28 | s3c2410_gpio_pullup(S3C2410_GPE11, 0); | |
29 | s3c2410_gpio_pullup(S3C2410_GPE13, 0); | |
30 | } else { | |
31 | s3c2410_gpio_cfgpin(S3C2410_GPE13, S3C2410_GPIO_INPUT); | |
32 | s3c2410_gpio_cfgpin(S3C2410_GPE11, S3C2410_GPIO_INPUT); | |
33 | s3c2410_gpio_pullup(S3C2410_GPE11, 1); | |
34 | s3c2410_gpio_pullup(S3C2410_GPE12, 1); | |
35 | s3c2410_gpio_pullup(S3C2410_GPE13, 1); | |
36 | } | |
37 | } |