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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> |
4faf6867 BD |
23 | |
24 | void s3c64xx_setup_sdhci0_cfg_gpio(struct platform_device *dev, int width) | |
25 | { | |
19206b17 | 26 | struct s3c_sdhci_platdata *pdata = dev->dev.platform_data; |
4faf6867 | 27 | |
dab30d7f | 28 | /* Set all the necessary GPG pins to special-function 2 */ |
2a1309b4 | 29 | s3c_gpio_cfgrange_nopull(S3C64XX_GPG(0), 2 + width, S3C_GPIO_SFN(2)); |
4faf6867 | 30 | |
19206b17 MS |
31 | if (pdata->cd_type == S3C_SDHCI_CD_INTERNAL) { |
32 | s3c_gpio_setpull(S3C64XX_GPG(6), S3C_GPIO_PULL_UP); | |
33 | s3c_gpio_cfgpin(S3C64XX_GPG(6), S3C_GPIO_SFN(2)); | |
34 | } | |
4faf6867 BD |
35 | } |
36 | ||
37 | void s3c64xx_setup_sdhci1_cfg_gpio(struct platform_device *dev, int width) | |
38 | { | |
19206b17 | 39 | struct s3c_sdhci_platdata *pdata = dev->dev.platform_data; |
4faf6867 | 40 | |
dab30d7f | 41 | /* Set all the necessary GPH pins to special-function 2 */ |
2a1309b4 | 42 | s3c_gpio_cfgrange_nopull(S3C64XX_GPH(0), 2 + width, S3C_GPIO_SFN(2)); |
4faf6867 | 43 | |
19206b17 MS |
44 | if (pdata->cd_type == S3C_SDHCI_CD_INTERNAL) { |
45 | s3c_gpio_setpull(S3C64XX_GPG(6), S3C_GPIO_PULL_UP); | |
46 | s3c_gpio_cfgpin(S3C64XX_GPG(6), S3C_GPIO_SFN(3)); | |
47 | } | |
4faf6867 | 48 | } |
92b118f6 MC |
49 | |
50 | void s3c64xx_setup_sdhci2_cfg_gpio(struct platform_device *dev, int width) | |
51 | { | |
dab30d7f | 52 | /* Set all the necessary GPH pins to special-function 3 */ |
2a1309b4 | 53 | s3c_gpio_cfgrange_nopull(S3C64XX_GPH(6), width, S3C_GPIO_SFN(3)); |
92b118f6 | 54 | |
dab30d7f | 55 | /* Set all the necessary GPC pins to special-function 3 */ |
2a1309b4 | 56 | s3c_gpio_cfgrange_nopull(S3C64XX_GPC(4), 2, S3C_GPIO_SFN(3)); |
92b118f6 | 57 | } |