mirror of https://gitee.com/openkylin/linux.git
54 lines
1.6 KiB
C
54 lines
1.6 KiB
C
// SPDX-License-Identifier: GPL-2.0
|
|
//
|
|
// Copyright 2008 Simtec Electronics
|
|
// Ben Dooks <ben@simtec.co.uk>
|
|
// http://armlinux.simtec.co.uk/
|
|
//
|
|
// S3C64XX - Helper functions for setting up SDHCI device(s) GPIO (HSMMC)
|
|
|
|
#include <linux/kernel.h>
|
|
#include <linux/types.h>
|
|
#include <linux/interrupt.h>
|
|
#include <linux/platform_device.h>
|
|
#include <linux/io.h>
|
|
#include <linux/gpio.h>
|
|
|
|
#include <plat/gpio-cfg.h>
|
|
#include <plat/sdhci.h>
|
|
#include <mach/gpio-samsung.h>
|
|
|
|
void s3c64xx_setup_sdhci0_cfg_gpio(struct platform_device *dev, int width)
|
|
{
|
|
struct s3c_sdhci_platdata *pdata = dev->dev.platform_data;
|
|
|
|
/* Set all the necessary GPG pins to special-function 2 */
|
|
s3c_gpio_cfgrange_nopull(S3C64XX_GPG(0), 2 + width, S3C_GPIO_SFN(2));
|
|
|
|
if (pdata->cd_type == S3C_SDHCI_CD_INTERNAL) {
|
|
s3c_gpio_setpull(S3C64XX_GPG(6), S3C_GPIO_PULL_UP);
|
|
s3c_gpio_cfgpin(S3C64XX_GPG(6), S3C_GPIO_SFN(2));
|
|
}
|
|
}
|
|
|
|
void s3c64xx_setup_sdhci1_cfg_gpio(struct platform_device *dev, int width)
|
|
{
|
|
struct s3c_sdhci_platdata *pdata = dev->dev.platform_data;
|
|
|
|
/* Set all the necessary GPH pins to special-function 2 */
|
|
s3c_gpio_cfgrange_nopull(S3C64XX_GPH(0), 2 + width, S3C_GPIO_SFN(2));
|
|
|
|
if (pdata->cd_type == S3C_SDHCI_CD_INTERNAL) {
|
|
s3c_gpio_setpull(S3C64XX_GPG(6), S3C_GPIO_PULL_UP);
|
|
s3c_gpio_cfgpin(S3C64XX_GPG(6), S3C_GPIO_SFN(3));
|
|
}
|
|
}
|
|
|
|
void s3c64xx_setup_sdhci2_cfg_gpio(struct platform_device *dev, int width)
|
|
{
|
|
/* Set all the necessary GPH pins to special-function 3 */
|
|
s3c_gpio_cfgrange_nopull(S3C64XX_GPH(6), width, S3C_GPIO_SFN(3));
|
|
|
|
/* Set all the necessary GPC pins to special-function 3 */
|
|
s3c_gpio_cfgrange_nopull(S3C64XX_GPC(4), 2, S3C_GPIO_SFN(3));
|
|
}
|