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 * S5PV310 - 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>
23 #include <plat/gpio-cfg.h>
24 #include <plat/regs-sdhci.h>
26 void s5pv310_setup_sdhci0_cfg_gpio(struct platform_device *dev, int width)
30 /* Set all the necessary GPK0/GPK1 pins to special-function 2 */
31 for (gpio = S5PV310_GPK0(0); gpio < S5PV310_GPK0(2); gpio++) {
32 s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(2));
33 s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE);
34 s5p_gpio_set_drvstr(gpio, S5P_GPIO_DRVSTR_LV4);
38 /* GPK1[3:6] special-funtion 3 */
39 for (gpio = S5PV310_GPK1(3); gpio <= S5PV310_GPK1(6); gpio++) {
40 s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(3));
41 s3c_gpio_setpull(gpio, S3C_GPIO_PULL_UP);
42 s5p_gpio_set_drvstr(gpio, S5P_GPIO_DRVSTR_LV4);
45 /* GPK0[3:6] special-funtion 2 */
46 for (gpio = S5PV310_GPK0(3); gpio <= S5PV310_GPK0(6); gpio++) {
47 s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(2));
48 s3c_gpio_setpull(gpio, S3C_GPIO_PULL_UP);
49 s5p_gpio_set_drvstr(gpio, S5P_GPIO_DRVSTR_LV4);
56 void s5pv310_setup_sdhci1_cfg_gpio(struct platform_device *dev, int width)
60 /* Set all the necessary GPK1[0:1] pins to special-function 2 */
61 for (gpio = S5PV310_GPK1(0); gpio < S5PV310_GPK1(2); gpio++) {
62 s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(2));
63 s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE);
64 s5p_gpio_set_drvstr(gpio, S5P_GPIO_DRVSTR_LV4);
67 /* Data pin GPK1[3:6] to special-function 2 */
68 for (gpio = S5PV310_GPK1(3); gpio <= S5PV310_GPK1(6); gpio++) {
69 s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(2));
70 s3c_gpio_setpull(gpio, S3C_GPIO_PULL_UP);
71 s5p_gpio_set_drvstr(gpio, S5P_GPIO_DRVSTR_LV4);
75 void s5pv310_setup_sdhci2_cfg_gpio(struct platform_device *dev, int width)
79 /* Set all the necessary GPK2[0:1] pins to special-function 2 */
80 for (gpio = S5PV310_GPK2(0); gpio < S5PV310_GPK2(2); gpio++) {
81 s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(2));
82 s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE);
83 s5p_gpio_set_drvstr(gpio, S5P_GPIO_DRVSTR_LV4);
88 /* Data pin GPK3[3:6] to special-function 3 */
89 for (gpio = S5PV310_GPK3(3); gpio <= S5PV310_GPK3(6); gpio++) {
90 s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(3));
91 s3c_gpio_setpull(gpio, S3C_GPIO_PULL_UP);
92 s5p_gpio_set_drvstr(gpio, S5P_GPIO_DRVSTR_LV4);
95 /* Data pin GPK2[3:6] to special-function 2 */
96 for (gpio = S5PV310_GPK2(3); gpio <= S5PV310_GPK2(6); gpio++) {
97 s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(2));
98 s3c_gpio_setpull(gpio, S3C_GPIO_PULL_UP);
99 s5p_gpio_set_drvstr(gpio, S5P_GPIO_DRVSTR_LV4);
106 void s5pv310_setup_sdhci3_cfg_gpio(struct platform_device *dev, int width)
110 /* Set all the necessary GPK1[0:1] pins to special-function 2 */
111 for (gpio = S5PV310_GPK3(0); gpio < S5PV310_GPK3(2); gpio++) {
112 s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(2));
113 s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE);
114 s5p_gpio_set_drvstr(gpio, S5P_GPIO_DRVSTR_LV4);
117 /* Data pin GPK1[3:6] to special-function 2 */
118 for (gpio = S5PV310_GPK3(3); gpio <= S5PV310_GPK3(6); gpio++) {
119 s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(2));
120 s3c_gpio_setpull(gpio, S3C_GPIO_PULL_UP);
121 s5p_gpio_set_drvstr(gpio, S5P_GPIO_DRVSTR_LV4);