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/mmc/host.h>
19 #include <linux/mmc/card.h>
21 #include <mach/gpio.h>
22 #include <plat/gpio-cfg.h>
23 #include <plat/regs-sdhci.h>
25 void s5pv210_setup_sdhci0_cfg_gpio(struct platform_device *dev, int width)
29 /* Set all the necessary GPG0/GPG1 pins to special-function 2 */
30 for (gpio = S5PV210_GPG0(0); gpio < S5PV210_GPG0(2); gpio++) {
31 s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(2));
32 s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE);
36 /* GPG1[3:6] special-funtion 3 */
37 for (gpio = S5PV210_GPG1(3); gpio <= S5PV210_GPG1(6); gpio++) {
38 s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(3));
39 s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE);
42 /* GPG0[3:6] special-funtion 2 */
43 for (gpio = S5PV210_GPG0(3); gpio <= S5PV210_GPG0(6); gpio++) {
44 s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(2));
45 s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE);
51 s3c_gpio_setpull(S5PV210_GPG0(2), S3C_GPIO_PULL_UP);
52 s3c_gpio_cfgpin(S5PV210_GPG0(2), S3C_GPIO_SFN(2));
55 void s5pv210_setup_sdhci1_cfg_gpio(struct platform_device *dev, int width)
59 /* Set all the necessary GPG1[0:1] pins to special-function 2 */
60 for (gpio = S5PV210_GPG1(0); gpio < S5PV210_GPG1(2); gpio++) {
61 s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(2));
62 s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE);
65 /* Data pin GPG1[3:6] to special-function 2 */
66 for (gpio = S5PV210_GPG1(3); gpio <= S5PV210_GPG1(6); gpio++) {
67 s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(2));
68 s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE);
71 s3c_gpio_setpull(S5PV210_GPG1(2), S3C_GPIO_PULL_UP);
72 s3c_gpio_cfgpin(S5PV210_GPG1(2), S3C_GPIO_SFN(2));
75 void s5pv210_setup_sdhci2_cfg_gpio(struct platform_device *dev, int width)
79 /* Set all the necessary GPG2[0:1] pins to special-function 2 */
80 for (gpio = S5PV210_GPG2(0); gpio < S5PV210_GPG2(2); gpio++) {
81 s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(2));
82 s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE);
87 /* Data pin GPG3[3:6] to special-function 3 */
88 for (gpio = S5PV210_GPG3(3); gpio <= S5PV210_GPG3(6); gpio++) {
89 s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(3));
90 s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE);
93 /* Data pin GPG2[3:6] to special-function 2 */
94 for (gpio = S5PV210_GPG2(3); gpio <= S5PV210_GPG2(6); gpio++) {
95 s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(2));
96 s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE);
102 s3c_gpio_setpull(S5PV210_GPG2(2), S3C_GPIO_PULL_UP);
103 s3c_gpio_cfgpin(S5PV210_GPG2(2), S3C_GPIO_SFN(2));