Ben Dooks | a2c195f | 2009-08-03 17:26:50 +0100 | [diff] [blame] | 1 | /* linux/arch/arm/plat-s3c24xx/spi-bus0-gpd8_9_10.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 gpd8,9,10 |
| 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> |
| 15 | #include <linux/gpio.h> |
| 16 | |
| 17 | #include <mach/spi.h> |
| 18 | #include <mach/regs-gpio.h> |
| 19 | |
| 20 | void s3c24xx_spi_gpiocfg_bus1_gpd8_9_10(struct s3c2410_spi_info *spi, |
| 21 | int enable) |
| 22 | { |
| 23 | |
| 24 | printk(KERN_INFO "%s(%d)\n", __func__, enable); |
| 25 | if (enable) { |
Ben Dooks | 40b956f | 2010-05-04 14:38:49 +0900 | [diff] [blame] | 26 | s3c_gpio_cfgpin(S3C2410_GPD(10), S3C2440_GPD10_SPICLK1); |
| 27 | s3c_gpio_cfgpin(S3C2410_GPD(9), S3C2440_GPD9_SPIMOSI1); |
| 28 | s3c_gpio_cfgpin(S3C2410_GPD(8), S3C2440_GPD8_SPIMISO1); |
Ben Dooks | a2c195f | 2009-08-03 17:26:50 +0100 | [diff] [blame] | 29 | s3c2410_gpio_pullup(S3C2410_GPD(10), 0); |
| 30 | s3c2410_gpio_pullup(S3C2410_GPD(9), 0); |
| 31 | } else { |
Ben Dooks | 40b956f | 2010-05-04 14:38:49 +0900 | [diff] [blame] | 32 | s3c_gpio_cfgpin(S3C2410_GPD(8), S3C2410_GPIO_INPUT); |
| 33 | s3c_gpio_cfgpin(S3C2410_GPD(9), S3C2410_GPIO_INPUT); |
Ben Dooks | 82a4b6d | 2010-05-04 13:22:58 +0900 | [diff] [blame] | 34 | s3c_gpio_cfgpull(S3C2410_GPD(10), S3C_GPIO_PULL_NONE); |
| 35 | s3c_gpio_cfgpull(S3C2410_GPD(9), S3C_GPIO_PULL_NONE); |
| 36 | s3c_gpio_cfgpull(S3C2410_GPD(8), S3C_GPIO_PULL_NONE); |
Ben Dooks | a2c195f | 2009-08-03 17:26:50 +0100 | [diff] [blame] | 37 | } |
| 38 | } |