diff options
author | Kukjin Kim <kgene.kim@samsung.com> | 2011-10-04 09:57:43 (GMT) |
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committer | Kukjin Kim <kgene.kim@samsung.com> | 2011-10-04 09:57:43 (GMT) |
commit | 22be71ea8bf7e9f907e916bf9f6c2bbea9f42553 (patch) | |
tree | edf517ccf09aec82c6a30e69ef885a785fa77167 /arch/arm/plat-s3c24xx | |
parent | 59ca37f74a6e9d3e9367359f2fcbb286df7d9748 (diff) | |
parent | b391f8cf606679e97b02e3b9dca8a1d9956a5301 (diff) | |
download | linux-22be71ea8bf7e9f907e916bf9f6c2bbea9f42553.tar.xz |
Merge branch 'next/topic-gpio-samsung' into next-samsung-devel
Diffstat (limited to 'arch/arm/plat-s3c24xx')
-rw-r--r-- | arch/arm/plat-s3c24xx/Kconfig | 1 | ||||
-rw-r--r-- | arch/arm/plat-s3c24xx/Makefile | 2 | ||||
-rw-r--r-- | arch/arm/plat-s3c24xx/gpio.c | 96 | ||||
-rw-r--r-- | arch/arm/plat-s3c24xx/gpiolib.c | 229 |
4 files changed, 0 insertions, 328 deletions
diff --git a/arch/arm/plat-s3c24xx/Kconfig b/arch/arm/plat-s3c24xx/Kconfig index 8c5b302..d8973ac 100644 --- a/arch/arm/plat-s3c24xx/Kconfig +++ b/arch/arm/plat-s3c24xx/Kconfig @@ -9,7 +9,6 @@ config PLAT_S3C24XX select NO_IOPORT select ARCH_REQUIRE_GPIOLIB select S3C_DEV_NAND - select S3C_GPIO_CFG_S3C24XX help Base platform code for any Samsung S3C24XX device diff --git a/arch/arm/plat-s3c24xx/Makefile b/arch/arm/plat-s3c24xx/Makefile index 0291bd6..e4f4649 100644 --- a/arch/arm/plat-s3c24xx/Makefile +++ b/arch/arm/plat-s3c24xx/Makefile @@ -15,8 +15,6 @@ obj- := obj-y += cpu.o obj-y += irq.o obj-y += devs.o -obj-y += gpio.o -obj-y += gpiolib.o obj-y += clock.o obj-$(CONFIG_S3C24XX_DCLK) += clock-dclk.o diff --git a/arch/arm/plat-s3c24xx/gpio.c b/arch/arm/plat-s3c24xx/gpio.c deleted file mode 100644 index 2f3d7c0..0000000 --- a/arch/arm/plat-s3c24xx/gpio.c +++ /dev/null @@ -1,96 +0,0 @@ -/* linux/arch/arm/plat-s3c24xx/gpio.c - * - * Copyright (c) 2004-2010 Simtec Electronics - * Ben Dooks <ben@simtec.co.uk> - * - * S3C24XX GPIO support - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA -*/ - -#include <linux/kernel.h> -#include <linux/init.h> -#include <linux/module.h> -#include <linux/interrupt.h> -#include <linux/ioport.h> -#include <linux/gpio.h> -#include <linux/io.h> - -#include <mach/hardware.h> -#include <mach/gpio-fns.h> -#include <asm/irq.h> - -#include <mach/regs-gpio.h> - -#include <plat/gpio-core.h> - -/* gpiolib wrappers until these are totally eliminated */ - -void s3c2410_gpio_pullup(unsigned int pin, unsigned int to) -{ - int ret; - - WARN_ON(to); /* should be none of these left */ - - if (!to) { - /* if pull is enabled, try first with up, and if that - * fails, try using down */ - - ret = s3c_gpio_setpull(pin, S3C_GPIO_PULL_UP); - if (ret) - s3c_gpio_setpull(pin, S3C_GPIO_PULL_DOWN); - } else { - s3c_gpio_setpull(pin, S3C_GPIO_PULL_NONE); - } -} -EXPORT_SYMBOL(s3c2410_gpio_pullup); - -void s3c2410_gpio_setpin(unsigned int pin, unsigned int to) -{ - /* do this via gpiolib until all users removed */ - - gpio_request(pin, "temporary"); - gpio_set_value(pin, to); - gpio_free(pin); -} - -EXPORT_SYMBOL(s3c2410_gpio_setpin); - -unsigned int s3c2410_gpio_getpin(unsigned int pin) -{ - struct s3c_gpio_chip *chip = s3c_gpiolib_getchip(pin); - unsigned long offs = pin - chip->chip.base; - - return __raw_readl(chip->base + 0x04) & (1<< offs); -} - -EXPORT_SYMBOL(s3c2410_gpio_getpin); - -unsigned int s3c2410_modify_misccr(unsigned int clear, unsigned int change) -{ - unsigned long flags; - unsigned long misccr; - - local_irq_save(flags); - misccr = __raw_readl(S3C24XX_MISCCR); - misccr &= ~clear; - misccr ^= change; - __raw_writel(misccr, S3C24XX_MISCCR); - local_irq_restore(flags); - - return misccr; -} - -EXPORT_SYMBOL(s3c2410_modify_misccr); diff --git a/arch/arm/plat-s3c24xx/gpiolib.c b/arch/arm/plat-s3c24xx/gpiolib.c deleted file mode 100644 index 243b641..0000000 --- a/arch/arm/plat-s3c24xx/gpiolib.c +++ /dev/null @@ -1,229 +0,0 @@ -/* linux/arch/arm/plat-s3c24xx/gpiolib.c - * - * Copyright (c) 2008-2010 Simtec Electronics - * http://armlinux.simtec.co.uk/ - * Ben Dooks <ben@simtec.co.uk> - * - * S3C24XX GPIOlib support - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License. -*/ - -#include <linux/kernel.h> -#include <linux/init.h> -#include <linux/module.h> -#include <linux/interrupt.h> -#include <linux/sysdev.h> -#include <linux/ioport.h> -#include <linux/io.h> -#include <linux/gpio.h> - -#include <plat/gpio-core.h> -#include <plat/gpio-cfg.h> -#include <plat/gpio-cfg-helpers.h> -#include <mach/hardware.h> -#include <asm/irq.h> -#include <plat/pm.h> - -#include <mach/regs-gpio.h> - -static int s3c24xx_gpiolib_banka_input(struct gpio_chip *chip, unsigned offset) -{ - return -EINVAL; -} - -static int s3c24xx_gpiolib_banka_output(struct gpio_chip *chip, - unsigned offset, int value) -{ - struct s3c_gpio_chip *ourchip = to_s3c_gpio(chip); - void __iomem *base = ourchip->base; - unsigned long flags; - unsigned long dat; - unsigned long con; - - local_irq_save(flags); - - con = __raw_readl(base + 0x00); - dat = __raw_readl(base + 0x04); - - dat &= ~(1 << offset); - if (value) - dat |= 1 << offset; - - __raw_writel(dat, base + 0x04); - - con &= ~(1 << offset); - - __raw_writel(con, base + 0x00); - __raw_writel(dat, base + 0x04); - - local_irq_restore(flags); - return 0; -} - -static int s3c24xx_gpiolib_bankf_toirq(struct gpio_chip *chip, unsigned offset) -{ - if (offset < 4) - return IRQ_EINT0 + offset; - - if (offset < 8) - return IRQ_EINT4 + offset - 4; - - return -EINVAL; -} - -static struct s3c_gpio_cfg s3c24xx_gpiocfg_banka = { - .set_config = s3c_gpio_setcfg_s3c24xx_a, - .get_config = s3c_gpio_getcfg_s3c24xx_a, -}; - -struct s3c_gpio_cfg s3c24xx_gpiocfg_default = { - .set_config = s3c_gpio_setcfg_s3c24xx, - .get_config = s3c_gpio_getcfg_s3c24xx, -}; - -struct s3c_gpio_chip s3c24xx_gpios[] = { - [0] = { - .base = S3C2410_GPACON, - .pm = __gpio_pm(&s3c_gpio_pm_1bit), - .config = &s3c24xx_gpiocfg_banka, - .chip = { - .base = S3C2410_GPA(0), - .owner = THIS_MODULE, - .label = "GPIOA", - .ngpio = 24, - .direction_input = s3c24xx_gpiolib_banka_input, - .direction_output = s3c24xx_gpiolib_banka_output, - }, - }, - [1] = { - .base = S3C2410_GPBCON, - .pm = __gpio_pm(&s3c_gpio_pm_2bit), - .chip = { - .base = S3C2410_GPB(0), - .owner = THIS_MODULE, - .label = "GPIOB", - .ngpio = 16, - }, - }, - [2] = { - .base = S3C2410_GPCCON, - .pm = __gpio_pm(&s3c_gpio_pm_2bit), - .chip = { - .base = S3C2410_GPC(0), - .owner = THIS_MODULE, - .label = "GPIOC", - .ngpio = 16, - }, - }, - [3] = { - .base = S3C2410_GPDCON, - .pm = __gpio_pm(&s3c_gpio_pm_2bit), - .chip = { - .base = S3C2410_GPD(0), - .owner = THIS_MODULE, - .label = "GPIOD", - .ngpio = 16, - }, - }, - [4] = { - .base = S3C2410_GPECON, - .pm = __gpio_pm(&s3c_gpio_pm_2bit), - .chip = { - .base = S3C2410_GPE(0), - .label = "GPIOE", - .owner = THIS_MODULE, - .ngpio = 16, - }, - }, - [5] = { - .base = S3C2410_GPFCON, - .pm = __gpio_pm(&s3c_gpio_pm_2bit), - .chip = { - .base = S3C2410_GPF(0), - .owner = THIS_MODULE, - .label = "GPIOF", - .ngpio = 8, - .to_irq = s3c24xx_gpiolib_bankf_toirq, - }, - }, - [6] = { - .base = S3C2410_GPGCON, - .pm = __gpio_pm(&s3c_gpio_pm_2bit), - .irq_base = IRQ_EINT8, - .chip = { - .base = S3C2410_GPG(0), - .owner = THIS_MODULE, - .label = "GPIOG", - .ngpio = 16, - .to_irq = samsung_gpiolib_to_irq, - }, - }, { - .base = S3C2410_GPHCON, - .pm = __gpio_pm(&s3c_gpio_pm_2bit), - .chip = { - .base = S3C2410_GPH(0), - .owner = THIS_MODULE, - .label = "GPIOH", - .ngpio = 11, - }, - }, - /* GPIOS for the S3C2443 and later devices. */ - { - .base = S3C2440_GPJCON, - .pm = __gpio_pm(&s3c_gpio_pm_2bit), - .chip = { - .base = S3C2410_GPJ(0), - .owner = THIS_MODULE, - .label = "GPIOJ", - .ngpio = 16, - }, - }, { - .base = S3C2443_GPKCON, - .pm = __gpio_pm(&s3c_gpio_pm_2bit), - .chip = { - .base = S3C2410_GPK(0), - .owner = THIS_MODULE, - .label = "GPIOK", - .ngpio = 16, - }, - }, { - .base = S3C2443_GPLCON, - .pm = __gpio_pm(&s3c_gpio_pm_2bit), - .chip = { - .base = S3C2410_GPL(0), - .owner = THIS_MODULE, - .label = "GPIOL", - .ngpio = 15, - }, - }, { - .base = S3C2443_GPMCON, - .pm = __gpio_pm(&s3c_gpio_pm_2bit), - .chip = { - .base = S3C2410_GPM(0), - .owner = THIS_MODULE, - .label = "GPIOM", - .ngpio = 2, - }, - }, -}; - - -static __init int s3c24xx_gpiolib_init(void) -{ - struct s3c_gpio_chip *chip = s3c24xx_gpios; - int gpn; - - for (gpn = 0; gpn < ARRAY_SIZE(s3c24xx_gpios); gpn++, chip++) { - if (!chip->config) - chip->config = &s3c24xx_gpiocfg_default; - - s3c_gpiolib_add(chip); - } - - return 0; -} - -core_initcall(s3c24xx_gpiolib_init); |