projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 4faf6867 BD |
1 | /* linux/arch/arm/plat-s3c64xx/setup-sdhci-gpio.c |
| 2 | * | |
| 3 | * Copyright 2008 Simtec Electronics | |
| 4 | * Ben Dooks <ben@simtec.co.uk> | |
| 5 | * http://armlinux.simtec.co.uk/ | |
| 6 | * | |
| 7 | * S3C64XX - Helper functions for setting up SDHCI device(s) GPIO (HSMMC) | |
| 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 version 2 as | |
| 11 | * published by the Free Software Foundation. | |
| 12 | */ | |
| 13 | ||
| 14 | #include <linux/kernel.h> | |
| 15 | #include <linux/types.h> | |
| 16 | #include <linux/interrupt.h> | |
| 17 | #include <linux/platform_device.h> | |
| 18 | #include <linux/io.h> | |
| 1c739c7f | 19 | #include <linux/gpio.h> |
| 4faf6867 | 20 | |
| 4faf6867 | 21 | #include <plat/gpio-cfg.h> |
| 19206b17 | 22 | #include <plat/sdhci.h> |
| b0161caa | 23 | #include <mach/gpio-samsung.h> |
| 4faf6867 BD |
24 | |
| 25 | void s3c64xx_setup_sdhci0_cfg_gpio(struct platform_device *dev, int width) | |
| 26 | { | |
| 19206b17 | 27 | struct s3c_sdhci_platdata *pdata = dev->dev.platform_data; |
| 4faf6867 | 28 | |
| dab30d7f | 29 | /* Set all the necessary GPG pins to special-function 2 */ |
| 2a1309b4 | 30 | s3c_gpio_cfgrange_nopull(S3C64XX_GPG(0), 2 + width, S3C_GPIO_SFN(2)); |
| 4faf6867 | 31 | |
| 19206b17 MS |
32 | if (pdata->cd_type == S3C_SDHCI_CD_INTERNAL) { |
| 33 | s3c_gpio_setpull(S3C64XX_GPG(6), S3C_GPIO_PULL_UP); | |
| 34 | s3c_gpio_cfgpin(S3C64XX_GPG(6), S3C_GPIO_SFN(2)); | |
| 35 | } | |
| 4faf6867 BD |
36 | } |
| 37 | ||
| 38 | void s3c64xx_setup_sdhci1_cfg_gpio(struct platform_device *dev, int width) | |
| 39 | { | |
| 19206b17 | 40 | struct s3c_sdhci_platdata *pdata = dev->dev.platform_data; |
| 4faf6867 | 41 | |
| dab30d7f | 42 | /* Set all the necessary GPH pins to special-function 2 */ |
| 2a1309b4 | 43 | s3c_gpio_cfgrange_nopull(S3C64XX_GPH(0), 2 + width, S3C_GPIO_SFN(2)); |
| 4faf6867 | 44 | |
| 19206b17 MS |
45 | if (pdata->cd_type == S3C_SDHCI_CD_INTERNAL) { |
| 46 | s3c_gpio_setpull(S3C64XX_GPG(6), S3C_GPIO_PULL_UP); | |
| 47 | s3c_gpio_cfgpin(S3C64XX_GPG(6), S3C_GPIO_SFN(3)); | |
| 48 | } | |
| 4faf6867 | 49 | } |
| 92b118f6 MC |
50 | |
| 51 | void s3c64xx_setup_sdhci2_cfg_gpio(struct platform_device *dev, int width) | |
| 52 | { | |
| dab30d7f | 53 | /* Set all the necessary GPH pins to special-function 3 */ |
| 2a1309b4 | 54 | s3c_gpio_cfgrange_nopull(S3C64XX_GPH(6), width, S3C_GPIO_SFN(3)); |
| 92b118f6 | 55 | |
| dab30d7f | 56 | /* Set all the necessary GPC pins to special-function 3 */ |
| 2a1309b4 | 57 | s3c_gpio_cfgrange_nopull(S3C64XX_GPC(4), 2, S3C_GPIO_SFN(3)); |
| 92b118f6 | 58 | } |