1 /* linux/arch/arm/plat-s5pc1xx/setup-sdhci-gpio.c
3 * Copyright (c) 2009-2010 Samsung Electronics Co., Ltd.
4 * http://www.samsung.com/
6 * S5PV210 - Helper functions for setting up SDHCI device(s) GPIO (HSMMC)
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.
13 #include <linux/kernel.h>
14 #include <linux/types.h>
15 #include <linux/interrupt.h>
16 #include <linux/platform_device.h>
18 #include <linux/gpio.h>
19 #include <linux/mmc/host.h>
20 #include <linux/mmc/card.h>
22 #include <plat/gpio-cfg.h>
23 #include <plat/regs-sdhci.h>
24 #include <plat/sdhci.h>
26 void s5pv210_setup_sdhci0_cfg_gpio(struct platform_device *dev, int width)
28 struct s3c_sdhci_platdata *pdata = dev->dev.platform_data;
31 /* Set all the necessary GPG0/GPG1 pins to special-function 2 */
32 s3c_gpio_cfgpin_range(S5PV210_GPG0(0), 2, S3C_GPIO_SFN(2));
33 for (gpio = S5PV210_GPG0(0); gpio < S5PV210_GPG0(2); gpio++)
34 s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE);
38 /* GPG1[3:6] special-funtion 3 */
39 s3c_gpio_cfgpin_range(S5PV210_GPG1(3), 4, S3C_GPIO_SFN(3));
40 for (gpio = S5PV210_GPG1(3); gpio <= S5PV210_GPG1(6); gpio++)
41 s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE);
43 /* GPG0[3:6] special-funtion 2 */
44 s3c_gpio_cfgpin_range(S5PV210_GPG0(3), 4, S3C_GPIO_SFN(2));
45 for (gpio = S5PV210_GPG0(3); gpio <= S5PV210_GPG0(6); gpio++)
46 s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE);
51 if (pdata->cd_type == S3C_SDHCI_CD_INTERNAL) {
52 s3c_gpio_setpull(S5PV210_GPG0(2), S3C_GPIO_PULL_UP);
53 s3c_gpio_cfgpin(S5PV210_GPG0(2), S3C_GPIO_SFN(2));
57 void s5pv210_setup_sdhci1_cfg_gpio(struct platform_device *dev, int width)
59 struct s3c_sdhci_platdata *pdata = dev->dev.platform_data;
62 /* Set all the necessary GPG1[0:1] pins to special-function 2 */
63 s3c_gpio_cfgpin_range(S5PV210_GPG1(0), 2, S3C_GPIO_SFN(2));
64 for (gpio = S5PV210_GPG1(0); gpio < S5PV210_GPG1(2); gpio++)
65 s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE);
67 /* Data pin GPG1[3:6] to special-function 2 */
68 s3c_gpio_cfgpin_range(S5PV210_GPG1(3), 4, S3C_GPIO_SFN(2));
69 for (gpio = S5PV210_GPG1(3); gpio <= S5PV210_GPG1(6); gpio++)
70 s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE);
72 if (pdata->cd_type == S3C_SDHCI_CD_INTERNAL) {
73 s3c_gpio_setpull(S5PV210_GPG1(2), S3C_GPIO_PULL_UP);
74 s3c_gpio_cfgpin(S5PV210_GPG1(2), S3C_GPIO_SFN(2));
78 void s5pv210_setup_sdhci2_cfg_gpio(struct platform_device *dev, int width)
80 struct s3c_sdhci_platdata *pdata = dev->dev.platform_data;
83 /* Set all the necessary GPG2[0:1] pins to special-function 2 */
84 s3c_gpio_cfgpin_range(S5PV210_GPG2(0), 2, S3C_GPIO_SFN(2));
85 for (gpio = S5PV210_GPG2(0); gpio < S5PV210_GPG2(2); gpio++)
86 s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE);
90 /* Data pin GPG3[3:6] to special-function 3 */
91 s3c_gpio_cfgpin_range(S5PV210_GPG3(3), 4, S3C_GPIO_SFN(3));
92 for (gpio = S5PV210_GPG3(3); gpio <= S5PV210_GPG3(6); gpio++)
93 s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE);
95 /* Data pin GPG2[3:6] to special-function 2 */
96 s3c_gpio_cfgpin_range(S5PV210_GPG2(3), 4, S3C_GPIO_SFN(2));
97 for (gpio = S5PV210_GPG2(3); gpio <= S5PV210_GPG2(6); gpio++)
98 s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE);
103 if (pdata->cd_type == S3C_SDHCI_CD_INTERNAL) {
104 s3c_gpio_setpull(S5PV210_GPG2(2), S3C_GPIO_PULL_UP);
105 s3c_gpio_cfgpin(S5PV210_GPG2(2), S3C_GPIO_SFN(2));
109 void s5pv210_setup_sdhci3_cfg_gpio(struct platform_device *dev, int width)
111 struct s3c_sdhci_platdata *pdata = dev->dev.platform_data;
114 /* Set all the necessary GPG3[0:1] pins to special-function 2 */
115 s3c_gpio_cfgpin_range(S5PV210_GPG3(0), 2, S3C_GPIO_SFN(2));
116 for (gpio = S5PV210_GPG3(0); gpio < S5PV210_GPG3(2); gpio++)
117 s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE);
119 /* Data pin GPG3[3:6] to special-function 2 */
120 s3c_gpio_cfgpin_range(S5PV210_GPG3(3), 4, S3C_GPIO_SFN(2));
121 for (gpio = S5PV210_GPG3(3); gpio <= S5PV210_GPG3(6); gpio++)
122 s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE);
124 if (pdata->cd_type == S3C_SDHCI_CD_INTERNAL) {
125 s3c_gpio_setpull(S5PV210_GPG3(2), S3C_GPIO_PULL_UP);
126 s3c_gpio_cfgpin(S5PV210_GPG3(2), S3C_GPIO_SFN(2));