diff options
| author | Marek Szyprowski <m.szyprowski@samsung.com> | 2010-05-18 12:23:36 +0200 |
|---|---|---|
| committer | Ben Dooks <ben-linux@fluff.org> | 2010-05-19 18:15:02 +0900 |
| commit | 838c6d499b780c42fccbbdfecc0f5dcc471d0ef3 (patch) | |
| tree | 8dbbe6ad6f940c390ea62c273470480ebdde2d63 /arch/arm/plat-s5pc1xx/gpio-config.c | |
| parent | 14b8a0f92b309ff452a8c339abd9a096d00b210f (diff) | |
ARM: SAMSUNG: move driver strength gpio configuration helper to common dir
Driver strength parameter can be changed not only on S5PC100 but also
on S5PV210/S5PC110 platforms, so move the helper functions to the common
plat-samsung directory.
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Diffstat (limited to 'arch/arm/plat-s5pc1xx/gpio-config.c')
| -rw-r--r-- | arch/arm/plat-s5pc1xx/gpio-config.c | 62 |
1 files changed, 0 insertions, 62 deletions
diff --git a/arch/arm/plat-s5pc1xx/gpio-config.c b/arch/arm/plat-s5pc1xx/gpio-config.c deleted file mode 100644 index a4f67e80a15..00000000000 --- a/arch/arm/plat-s5pc1xx/gpio-config.c +++ /dev/null @@ -1,62 +0,0 @@ -/* linux/arch/arm/plat-s5pc1xx/gpio-config.c - * - * Copyright 2009 Samsung Electronics - * - * S5PC1XX GPIO Configuration. - * - * Based on plat-s3c64xx/gpio-config.c - * - * 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/module.h> -#include <linux/gpio.h> -#include <linux/io.h> - -#include <plat/gpio-core.h> -#include <plat/gpio-cfg-s5pc1xx.h> - -s5p_gpio_drvstr_t s5p_gpio_get_drvstr(unsigned int pin, unsigned int off) -{ - struct s3c_gpio_chip *chip = s3c_gpiolib_getchip(pin); - void __iomem *reg; - int shift = off * 2; - u32 drvstr; - - if (!chip) - return -EINVAL; - - reg = chip->base + 0x0C; - - drvstr = __raw_readl(reg); - drvstr = 0xffff & (0x3 << shift); - drvstr = drvstr >> shift; - - return (__force s5p_gpio_drvstr_t)drvstr; -} -EXPORT_SYMBOL(s5p_gpio_get_drvstr); - -int s5p_gpio_set_drvstr(unsigned int pin, unsigned int off, - s5p_gpio_drvstr_t drvstr) -{ - struct s3c_gpio_chip *chip = s3c_gpiolib_getchip(pin); - void __iomem *reg; - int shift = off * 2; - u32 tmp; - - if (!chip) - return -EINVAL; - - reg = chip->base + 0x0C; - - tmp = __raw_readl(reg); - tmp |= drvstr << shift; - - __raw_writel(tmp, reg); - - return 0; -} -EXPORT_SYMBOL(s5p_gpio_set_drvstr); |