46 строки
1.2 KiB
C
46 строки
1.2 KiB
C
/* linux/arch/arm/mach-exynos4/setup-spi.c
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*
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* Copyright (C) 2011 Samsung Electronics Ltd.
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* http://www.samsung.com/
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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 version 2 as
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* published by the Free Software Foundation.
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*/
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#include <linux/gpio.h>
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#include <plat/gpio-cfg.h>
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#ifdef CONFIG_S3C64XX_DEV_SPI0
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int s3c64xx_spi0_cfg_gpio(void)
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{
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s3c_gpio_cfgpin(EXYNOS4_GPB(0), S3C_GPIO_SFN(2));
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s3c_gpio_setpull(EXYNOS4_GPB(0), S3C_GPIO_PULL_UP);
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s3c_gpio_cfgall_range(EXYNOS4_GPB(2), 2,
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S3C_GPIO_SFN(2), S3C_GPIO_PULL_UP);
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return 0;
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}
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#endif
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#ifdef CONFIG_S3C64XX_DEV_SPI1
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int s3c64xx_spi1_cfg_gpio(void)
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{
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s3c_gpio_cfgpin(EXYNOS4_GPB(4), S3C_GPIO_SFN(2));
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s3c_gpio_setpull(EXYNOS4_GPB(4), S3C_GPIO_PULL_UP);
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s3c_gpio_cfgall_range(EXYNOS4_GPB(6), 2,
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S3C_GPIO_SFN(2), S3C_GPIO_PULL_UP);
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return 0;
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}
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#endif
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#ifdef CONFIG_S3C64XX_DEV_SPI2
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int s3c64xx_spi2_cfg_gpio(void)
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{
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s3c_gpio_cfgpin(EXYNOS4_GPC1(1), S3C_GPIO_SFN(5));
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s3c_gpio_setpull(EXYNOS4_GPC1(1), S3C_GPIO_PULL_UP);
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s3c_gpio_cfgall_range(EXYNOS4_GPC1(3), 2,
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S3C_GPIO_SFN(5), S3C_GPIO_PULL_UP);
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return 0;
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}
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#endif
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