1/* linux/arch/arm/mach-exynos4/setup-spi.c 2 * 3 * Copyright (C) 2011 Samsung Electronics Ltd. 4 * http://www.samsung.com/ 5 * 6 * This program is free software; you can redistribute it and/or modify 7 * it under the terms of the GNU General Public License version 2 as 8 * published by the Free Software Foundation. 9 */ 10 11#include <linux/gpio.h> 12#include <linux/platform_device.h> 13 14#include <plat/gpio-cfg.h> 15#include <plat/s3c64xx-spi.h> 16 17#ifdef CONFIG_S3C64XX_DEV_SPI0 18struct s3c64xx_spi_info s3c64xx_spi0_pdata __initdata = { 19 .fifo_lvl_mask = 0x1ff, 20 .rx_lvl_offset = 15, 21 .high_speed = 1, 22 .clk_from_cmu = true, 23 .tx_st_done = 25, 24}; 25 26int s3c64xx_spi0_cfg_gpio(struct platform_device *dev) 27{ 28 s3c_gpio_cfgpin(EXYNOS4_GPB(0), S3C_GPIO_SFN(2)); 29 s3c_gpio_setpull(EXYNOS4_GPB(0), S3C_GPIO_PULL_UP); 30 s3c_gpio_cfgall_range(EXYNOS4_GPB(2), 2, 31 S3C_GPIO_SFN(2), S3C_GPIO_PULL_UP); 32 return 0; 33} 34#endif 35 36#ifdef CONFIG_S3C64XX_DEV_SPI1 37struct s3c64xx_spi_info s3c64xx_spi1_pdata __initdata = { 38 .fifo_lvl_mask = 0x7f, 39 .rx_lvl_offset = 15, 40 .high_speed = 1, 41 .clk_from_cmu = true, 42 .tx_st_done = 25, 43}; 44 45int s3c64xx_spi1_cfg_gpio(struct platform_device *dev) 46{ 47 s3c_gpio_cfgpin(EXYNOS4_GPB(4), S3C_GPIO_SFN(2)); 48 s3c_gpio_setpull(EXYNOS4_GPB(4), S3C_GPIO_PULL_UP); 49 s3c_gpio_cfgall_range(EXYNOS4_GPB(6), 2, 50 S3C_GPIO_SFN(2), S3C_GPIO_PULL_UP); 51 return 0; 52} 53#endif 54 55#ifdef CONFIG_S3C64XX_DEV_SPI2 56struct s3c64xx_spi_info s3c64xx_spi2_pdata __initdata = { 57 .fifo_lvl_mask = 0x7f, 58 .rx_lvl_offset = 15, 59 .high_speed = 1, 60 .clk_from_cmu = true, 61 .tx_st_done = 25, 62}; 63 64int s3c64xx_spi2_cfg_gpio(struct platform_device *dev) 65{ 66 s3c_gpio_cfgpin(EXYNOS4_GPC1(1), S3C_GPIO_SFN(5)); 67 s3c_gpio_setpull(EXYNOS4_GPC1(1), S3C_GPIO_PULL_UP); 68 s3c_gpio_cfgall_range(EXYNOS4_GPC1(3), 2, 69 S3C_GPIO_SFN(5), S3C_GPIO_PULL_UP); 70 return 0; 71} 72#endif 73