| | 1 | /* linux/arch/arm/plat-s3c64xx/setup-sdhci-gpio.c |
| | 2 | * |
| | 3 | * Copyright 2008 Simtec Electronics |
| | 4 | * Ben Dooks <ben@simtec.co.uk> |
| | 5 | * http://armlinux.simtec.co.uk/ |
| | 6 | * |
| | 7 | * S3C64XX - Helper functions for setting up SDHCI device(s) GPIO (HSMMC) |
| | 8 | * |
| | 9 | * This program is free software; you can redistribute it and/or modify |
| | 10 | * it under the terms of the GNU General Public License version 2 as |
| | 11 | * published by the Free Software Foundation. |
| | 12 | */ |
| | 13 | |
| | 14 | #include <linux/kernel.h> |
| | 15 | #include <linux/types.h> |
| | 16 | #include <linux/interrupt.h> |
| | 17 | #include <linux/platform_device.h> |
| | 18 | #include <linux/io.h> |
| | 19 | #include <linux/gpio.h> |
| | 20 | |
| | 21 | #include <plat/gpio-cfg.h> |
| | 22 | #include <plat/sdhci.h> |
| | 23 | |
| | 24 | void s3c64xx_setup_sdhci0_cfg_gpio(struct platform_device *dev, int width) |
| | 25 | { |
| | 26 | struct s3c_sdhci_platdata *pdata = dev->dev.platform_data; |
| | 27 | |
| | 28 | /* Set all the necessary GPG pins to special-function 2 */ |
| | 29 | s3c_gpio_cfgrange_nopull(S3C64XX_GPG(0), 2 + width, S3C_GPIO_SFN(2)); |
| | 30 | |
| | 31 | if (pdata->cd_type == S3C_SDHCI_CD_INTERNAL) { |
| | 32 | s3c_gpio_setpull(S3C64XX_GPG(6), S3C_GPIO_PULL_UP); |
| | 33 | s3c_gpio_cfgpin(S3C64XX_GPG(6), S3C_GPIO_SFN(2)); |
| | 34 | } |
| | 35 | } |
| | 36 | |
| | 37 | void s3c64xx_setup_sdhci1_cfg_gpio(struct platform_device *dev, int width) |
| | 38 | { |
| | 39 | struct s3c_sdhci_platdata *pdata = dev->dev.platform_data; |
| | 40 | |
| | 41 | /* Set all the necessary GPH pins to special-function 2 */ |
| | 42 | s3c_gpio_cfgrange_nopull(S3C64XX_GPH(0), 2 + width, S3C_GPIO_SFN(2)); |
| | 43 | |
| | 44 | if (pdata->cd_type == S3C_SDHCI_CD_INTERNAL) { |
| | 45 | s3c_gpio_setpull(S3C64XX_GPG(6), S3C_GPIO_PULL_UP); |
| | 46 | s3c_gpio_cfgpin(S3C64XX_GPG(6), S3C_GPIO_SFN(3)); |
| | 47 | } |
| | 48 | } |
| | 49 | |
| | 50 | void s3c64xx_setup_sdhci2_cfg_gpio(struct platform_device *dev, int width) |
| | 51 | { |
| | 52 | /* Set all the necessary GPH pins to special-function 3 */ |
| | 53 | s3c_gpio_cfgrange_nopull(S3C64XX_GPH(6), width, S3C_GPIO_SFN(3)); |
| | 54 | |
| | 55 | /* Set all the necessary GPC pins to special-function 3 */ |
| | 56 | s3c_gpio_cfgrange_nopull(S3C64XX_GPC(4), 2, S3C_GPIO_SFN(3)); |
| | 57 | } |
projects / mirror_ubuntu-zesty-kernel.git / blame_incremental