git://bbs.cooldavid.org / net-next-2.6.git / blame
| Commit | Line | Data |
|---|---|---|
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1 | /* linux/arch/arm/plat-s5pc1xx/setup-sdhci-gpio.c |
| 2 | * | |
| 3 | * Copyright (c) 2009-2010 Samsung Electronics Co., Ltd. | |
| 4 | * http://www.samsung.com/ | |
| 5 | * | |
| 6 | * S5PV210 - Helper functions for setting up SDHCI device(s) GPIO (HSMMC) | |
| 7 | * | |
| 8 | * This program is free software; you can redistribute it and/or modify | |
| 9 | * it under the terms of the GNU General Public License version 2 as | |
| 10 | * published by the Free Software Foundation. | |
| 11 | */ | |
| 12 | ||
| 13 | #include <linux/kernel.h> | |
| 14 | #include <linux/types.h> | |
| 15 | #include <linux/interrupt.h> | |
| 16 | #include <linux/platform_device.h> | |
| 17 | #include <linux/io.h> | |
| 1c739c7f | 18 | #include <linux/gpio.h> |
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19 | #include <linux/mmc/host.h> |
| 20 | #include <linux/mmc/card.h> | |
| 21 | ||
| e6f66a9f MS |
22 | #include <plat/gpio-cfg.h> |
| 23 | #include <plat/regs-sdhci.h> | |
| 19206b17 | 24 | #include <plat/sdhci.h> |
| e6f66a9f MS |
25 | |
| 26 | void s5pv210_setup_sdhci0_cfg_gpio(struct platform_device *dev, int width) | |
| 27 | { | |
| 19206b17 | 28 | struct s3c_sdhci_platdata *pdata = dev->dev.platform_data; |
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29 | |
| 30 | /* Set all the necessary GPG0/GPG1 pins to special-function 2 */ | |
| a7aac9d5 | 31 | s3c_gpio_cfgrange_nopull(S5PV210_GPG0(0), 2, S3C_GPIO_SFN(2)); |
| 64c5bd84 | 32 | |
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33 | switch (width) { |
| 34 | case 8: | |
| 35 | /* GPG1[3:6] special-funtion 3 */ | |
| 5a350da4 | 36 | s3c_gpio_cfgrange_nopull(S5PV210_GPG1(3), 4, S3C_GPIO_SFN(3)); |
| e6f66a9f MS |
37 | case 4: |
| 38 | /* GPG0[3:6] special-funtion 2 */ | |
| 5a350da4 | 39 | s3c_gpio_cfgrange_nopull(S5PV210_GPG0(3), 4, S3C_GPIO_SFN(2)); |
| e6f66a9f MS |
40 | default: |
| 41 | break; | |
| 42 | } | |
| 43 | ||
| 19206b17 MS |
44 | if (pdata->cd_type == S3C_SDHCI_CD_INTERNAL) { |
| 45 | s3c_gpio_setpull(S5PV210_GPG0(2), S3C_GPIO_PULL_UP); | |
| 46 | s3c_gpio_cfgpin(S5PV210_GPG0(2), S3C_GPIO_SFN(2)); | |
| 47 | } | |
| e6f66a9f MS |
48 | } |
| 49 | ||
| 50 | void s5pv210_setup_sdhci1_cfg_gpio(struct platform_device *dev, int width) | |
| 51 | { | |
| 19206b17 | 52 | struct s3c_sdhci_platdata *pdata = dev->dev.platform_data; |
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53 | |
| 54 | /* Set all the necessary GPG1[0:1] pins to special-function 2 */ | |
| 5a350da4 | 55 | s3c_gpio_cfgrange_nopull(S5PV210_GPG1(0), 2, S3C_GPIO_SFN(2)); |
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56 | |
| 57 | /* Data pin GPG1[3:6] to special-function 2 */ | |
| 5a350da4 | 58 | s3c_gpio_cfgrange_nopull(S5PV210_GPG1(3), 4, S3C_GPIO_SFN(2)); |
| e6f66a9f | 59 | |
| 19206b17 MS |
60 | if (pdata->cd_type == S3C_SDHCI_CD_INTERNAL) { |
| 61 | s3c_gpio_setpull(S5PV210_GPG1(2), S3C_GPIO_PULL_UP); | |
| 62 | s3c_gpio_cfgpin(S5PV210_GPG1(2), S3C_GPIO_SFN(2)); | |
| 63 | } | |
| e6f66a9f MS |
64 | } |
| 65 | ||
| 66 | void s5pv210_setup_sdhci2_cfg_gpio(struct platform_device *dev, int width) | |
| 67 | { | |
| 19206b17 | 68 | struct s3c_sdhci_platdata *pdata = dev->dev.platform_data; |
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69 | |
| 70 | /* Set all the necessary GPG2[0:1] pins to special-function 2 */ | |
| 5a350da4 | 71 | s3c_gpio_cfgrange_nopull(S5PV210_GPG2(0), 2, S3C_GPIO_SFN(2)); |
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72 | |
| 73 | switch (width) { | |
| 74 | case 8: | |
| 75 | /* Data pin GPG3[3:6] to special-function 3 */ | |
| 5a350da4 | 76 | s3c_gpio_cfgrange_nopull(S5PV210_GPG3(3), 4, S3C_GPIO_SFN(3)); |
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77 | case 4: |
| 78 | /* Data pin GPG2[3:6] to special-function 2 */ | |
| 5a350da4 | 79 | s3c_gpio_cfgrange_nopull(S5PV210_GPG2(3), 4, S3C_GPIO_SFN(2)); |
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80 | default: |
| 81 | break; | |
| 82 | } | |
| 83 | ||
| 19206b17 MS |
84 | if (pdata->cd_type == S3C_SDHCI_CD_INTERNAL) { |
| 85 | s3c_gpio_setpull(S5PV210_GPG2(2), S3C_GPIO_PULL_UP); | |
| 86 | s3c_gpio_cfgpin(S5PV210_GPG2(2), S3C_GPIO_SFN(2)); | |
| 87 | } | |
| e6f66a9f | 88 | } |
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89 | |
| 90 | void s5pv210_setup_sdhci3_cfg_gpio(struct platform_device *dev, int width) | |
| 91 | { | |
| a68fefe0 | 92 | struct s3c_sdhci_platdata *pdata = dev->dev.platform_data; |
| 976a62f2 | 93 | |
| 64c5bd84 | 94 | /* Set all the necessary GPG3[0:1] pins to special-function 2 */ |
| a7aac9d5 | 95 | s3c_gpio_cfgrange_nopull(S5PV210_GPG3(0), 2, S3C_GPIO_SFN(2)); |
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96 | |
| 97 | /* Data pin GPG3[3:6] to special-function 2 */ | |
| a7aac9d5 | 98 | s3c_gpio_cfgrange_nopull(S5PV210_GPG3(3), 4, S3C_GPIO_SFN(2)); |
| 976a62f2 | 99 | |
| a68fefe0 KK |
100 | if (pdata->cd_type == S3C_SDHCI_CD_INTERNAL) { |
| 101 | s3c_gpio_setpull(S5PV210_GPG3(2), S3C_GPIO_PULL_UP); | |
| 102 | s3c_gpio_cfgpin(S5PV210_GPG3(2), S3C_GPIO_SFN(2)); | |
| 103 | } | |
| 976a62f2 | 104 | } |