39 lines
1.2 KiB
C
39 lines
1.2 KiB
C
/* linux/arch/arm/plat-s3c24xx/spi-bus0-gpd8_9_10.c
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*
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* Copyright (c) 2008 Simtec Electronics
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* http://armlinux.simtec.co.uk/
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* Ben Dooks <ben@simtec.co.uk>
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*
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* S3C24XX SPI - gpio configuration for bus 1 on gpd8,9,10
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License.
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*/
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#include <linux/kernel.h>
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#include <linux/gpio.h>
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#include <mach/spi.h>
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#include <mach/regs-gpio.h>
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void s3c24xx_spi_gpiocfg_bus1_gpd8_9_10(struct s3c2410_spi_info *spi,
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int enable)
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{
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printk(KERN_INFO "%s(%d)\n", __func__, enable);
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if (enable) {
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s3c_gpio_cfgpin(S3C2410_GPD(10), S3C2440_GPD10_SPICLK1);
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s3c_gpio_cfgpin(S3C2410_GPD(9), S3C2440_GPD9_SPIMOSI1);
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s3c_gpio_cfgpin(S3C2410_GPD(8), S3C2440_GPD8_SPIMISO1);
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s3c2410_gpio_pullup(S3C2410_GPD(10), 0);
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s3c2410_gpio_pullup(S3C2410_GPD(9), 0);
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} else {
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s3c_gpio_cfgpin(S3C2410_GPD(8), S3C2410_GPIO_INPUT);
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s3c_gpio_cfgpin(S3C2410_GPD(9), S3C2410_GPIO_INPUT);
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s3c_gpio_cfgpull(S3C2410_GPD(10), S3C_GPIO_PULL_NONE);
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s3c_gpio_cfgpull(S3C2410_GPD(9), S3C_GPIO_PULL_NONE);
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s3c_gpio_cfgpull(S3C2410_GPD(8), S3C_GPIO_PULL_NONE);
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}
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}
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