/* linux/arch/arm/mach-exynos4/setup-spi.c * * Copyright (C) 2011 Samsung Electronics Ltd. * http://www.samsung.com/ * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. */ #include <linux/gpio.h> #include <linux/platform_device.h> #include <plat/gpio-cfg.h> #include <plat/s3c64xx-spi.h> #ifdef CONFIG_S3C64XX_DEV_SPI0 struct s3c64xx_spi_info s3c64xx_spi0_pdata __initdata = { .fifo_lvl_mask = 0x1ff, .rx_lvl_offset = 15, .high_speed = 1, .clk_from_cmu = true, .tx_st_done = 25, }; int s3c64xx_spi0_cfg_gpio(struct platform_device *dev) { s3c_gpio_cfgpin(EXYNOS4_GPB(0), S3C_GPIO_SFN(2)); s3c_gpio_setpull(EXYNOS4_GPB(0), S3C_GPIO_PULL_UP); s3c_gpio_cfgall_range(EXYNOS4_GPB(2), 2, S3C_GPIO_SFN(2), S3C_GPIO_PULL_UP); return 0; } #endif #ifdef CONFIG_S3C64XX_DEV_SPI1 struct s3c64xx_spi_info s3c64xx_spi1_pdata __initdata = { .fifo_lvl_mask = 0x7f, .rx_lvl_offset = 15, .high_speed = 1, .clk_from_cmu = true, .tx_st_done = 25, }; int s3c64xx_spi1_cfg_gpio(struct platform_device *dev) { s3c_gpio_cfgpin(EXYNOS4_GPB(4), S3C_GPIO_SFN(2)); s3c_gpio_setpull(EXYNOS4_GPB(4), S3C_GPIO_PULL_UP); s3c_gpio_cfgall_range(EXYNOS4_GPB(6), 2, S3C_GPIO_SFN(2), S3C_GPIO_PULL_UP); return 0; } #endif #ifdef CONFIG_S3C64XX_DEV_SPI2 struct s3c64xx_spi_info s3c64xx_spi2_pdata __initdata = { .fifo_lvl_mask = 0x7f, .rx_lvl_offset = 15, .high_speed = 1, .clk_from_cmu = true, .tx_st_done = 25, }; int s3c64xx_spi2_cfg_gpio(struct platform_device *dev) { s3c_gpio_cfgpin(EXYNOS4_GPC1(1), S3C_GPIO_SFN(5)); s3c_gpio_setpull(EXYNOS4_GPC1(1), S3C_GPIO_PULL_UP); s3c_gpio_cfgall_range(EXYNOS4_GPC1(3), 2, S3C_GPIO_SFN(5), S3C_GPIO_PULL_UP); return 0; } #endif