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author | Linus Torvalds <torvalds@linux-foundation.org> | 2011-11-05 18:18:05 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-11-05 18:18:05 -0700 |
commit | 7abec10c623d9e0416dab6919a0ea22e6283516b (patch) | |
tree | 83aa79c369e99c4fc60eea91ebd399b7689b312e /arch/arm/mach-s3c2412 | |
parent | 0de9adf284ec20454ecf37ffd98e7e98ba7292d6 (diff) | |
parent | cfaf8fc5b59527281e9ddc2e0e04e1127936e17f (diff) |
Merge branch 'next/cleanup3' of git://git.linaro.org/people/arnd/arm-soc
* 'next/cleanup3' of git://git.linaro.org/people/arnd/arm-soc: (79 commits)
ARM: SAMSUNG: Move fimc plat. device from board files to plat-samsung
ARM: SAMSUNG: Cleanup resources by using macro
ARM: SAMSUNG: Cleanup plat-samsung/devs.c and devs.h
ARM: S5P: To merge devs.c files to one devs.c
ARM: S3C64XX: To merge devs.c files to one devs.c
ARM: S3C24XX: To merge s3c24xx devs.c files to one devs.c
ARM: S5P64X0: Add Power Management support
ARM: S5P: Make the sleep code common for S5P series SoCs
ARM: S5P: Make the common S5P PM code conditionally compile
ARM: SAMSUNG: Move S5P header files to plat-samsung
ARM: SAMSUNG: Move S3C24XX header files to plat-samsung
ARM: SAMSUNG: Moving each SoC support header files
ARM: SAMSUNG: Consolidate plat/pll.h
ARM: SAMSUNG: Consolidate plat/pwm-clock.h
ARM: SAMSUNG: Cleanup mach/clkdev.h
ARM: SAMSUNG: remove sdhci default configuration setup platform helper
ARM: EXYNOS4: Add FIMC device on SMDKV310 board
ARM: EXYNOS4: Add header file protection macros
ARM: EXYNOS4: Add usb ehci device to the SMDKV310
ARM: S3C2443: Add hsspi-clock from pclk and rename S3C2443 hsspi sclk
...
Fix up conflicts in
- arch/arm/mach-exynos4/{Kconfig,clock.c}
ARM_CPU_SUSPEND, various random device tables (gah!)
- drivers/gpio/Makefile
sa1100 gpio added, samsung gpio drivers merged
Diffstat (limited to 'arch/arm/mach-s3c2412')
-rw-r--r-- | arch/arm/mach-s3c2412/gpio.c | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/arch/arm/mach-s3c2412/gpio.c b/arch/arm/mach-s3c2412/gpio.c new file mode 100644 index 00000000000..4526f6ba31a --- /dev/null +++ b/arch/arm/mach-s3c2412/gpio.c @@ -0,0 +1,62 @@ +/* linux/arch/arm/mach-s3c2412/gpio.c + * + * Copyright (c) 2007 Simtec Electronics + * Ben Dooks <ben@simtec.co.uk> + * + * http://armlinux.simtec.co.uk/. + * + * S3C2412/S3C2413 specific GPIO support + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#include <linux/kernel.h> +#include <linux/types.h> +#include <linux/module.h> +#include <linux/interrupt.h> +#include <linux/gpio.h> + +#include <asm/mach/arch.h> +#include <asm/mach/map.h> + +#include <mach/regs-gpio.h> +#include <mach/hardware.h> + +#include <plat/gpio-core.h> + +int s3c2412_gpio_set_sleepcfg(unsigned int pin, unsigned int state) +{ + struct samsung_gpio_chip *chip = samsung_gpiolib_getchip(pin); + unsigned long offs = pin - chip->chip.base; + unsigned long flags; + unsigned long slpcon; + + offs *= 2; + + if (pin < S3C2410_GPB(0)) + return -EINVAL; + + if (pin >= S3C2410_GPF(0) && + pin <= S3C2410_GPG(16)) + return -EINVAL; + + if (pin > S3C2410_GPH(16)) + return -EINVAL; + + local_irq_save(flags); + + slpcon = __raw_readl(chip->base + 0x0C); + + slpcon &= ~(3 << offs); + slpcon |= state << offs; + + __raw_writel(slpcon, chip->base + 0x0C); + + local_irq_restore(flags); + + return 0; +} + +EXPORT_SYMBOL(s3c2412_gpio_set_sleepcfg); |