projects / deliverable / linux.git / blame
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|---|---|---|
| b2a6cf3b BD |
1 | /* linux/arch/arm/plat-s3c24xx/spi-bus0-gpg5_6_7.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 gpg5,6,7 | |
| 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> | |
| 927dbcd6 | 15 | #include <linux/gpio.h> |
| b2a6cf3b BD |
16 | |
| 17 | #include <mach/spi.h> | |
| 18 | #include <mach/regs-gpio.h> | |
| 19 | ||
| 20 | void s3c24xx_spi_gpiocfg_bus1_gpg5_6_7(struct s3c2410_spi_info *spi, | |
| 21 | int enable) | |
| 22 | { | |
| 23 | if (enable) { | |
| 40b956f0 BD |
24 | s3c_gpio_cfgpin(S3C2410_GPG(7), S3C2410_GPG7_SPICLK1); |
| 25 | s3c_gpio_cfgpin(S3C2410_GPG(6), S3C2410_GPG6_SPIMOSI1); | |
| 26 | s3c_gpio_cfgpin(S3C2410_GPG(5), S3C2410_GPG5_SPIMISO1); | |
| 070276d5 BD |
27 | s3c2410_gpio_pullup(S3C2410_GPG(5), 0); |
| 28 | s3c2410_gpio_pullup(S3C2410_GPG(6), 0); | |
| b2a6cf3b | 29 | } else { |
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30 | s3c_gpio_cfgpin(S3C2410_GPG(7), S3C2410_GPIO_INPUT); |
| 31 | s3c_gpio_cfgpin(S3C2410_GPG(5), S3C2410_GPIO_INPUT); | |
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32 | s3c_gpio_cfgpull(S3C2410_GPG(5), S3C_GPIO_PULL_NONE); |
| 33 | s3c_gpio_cfgpull(S3C2410_GPG(6), S3C_GPIO_PULL_NONE); | |
| 34 | s3c_gpio_cfgpull(S3C2410_GPG(7), S3C_GPIO_PULL_NONE); | |
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35 | } |
| 36 | } |