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authorBen Dooks <ben-linux@fluff.org>2010-01-06 02:28:20 +0900
committerBen Dooks <ben-linux@fluff.org>2010-01-15 17:10:13 +0900
commit4f830db9629e413e7c5523085ab009b0de5ae6d0 (patch)
tree8d3feb830483426e2e5f263dd1b65e564890a598 /arch/arm/plat-s3c/gpio-config.c
parentARM: SAMSUNG: Move device definitions in plat-samsung (diff)
downloadlinux-dev-4f830db9629e413e7c5523085ab009b0de5ae6d0.tar.xz
linux-dev-4f830db9629e413e7c5523085ab009b0de5ae6d0.zip
ARM: SAMSUNG: Move gpio-config.c into plat-samsung
The arch/arm/plat-s3c/gpio-config.c file is common to pretty much all the Samsung SoCs, so move it to arch/arm/plat-samsung Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Diffstat (limited to 'arch/arm/plat-s3c/gpio-config.c')
-rw-r--r--arch/arm/plat-s3c/gpio-config.c166
1 files changed, 0 insertions, 166 deletions
diff --git a/arch/arm/plat-s3c/gpio-config.c b/arch/arm/plat-s3c/gpio-config.c
deleted file mode 100644
index 456969b6fa0d..000000000000
--- a/arch/arm/plat-s3c/gpio-config.c
+++ /dev/null
@@ -1,166 +0,0 @@
-/* linux/arch/arm/plat-s3c/gpio-config.c
- *
- * Copyright 2008 Openmoko, Inc.
- * Copyright 2008 Simtec Electronics
- * Ben Dooks <ben@simtec.co.uk>
- * http://armlinux.simtec.co.uk/
- *
- * S3C series GPIO configuration core
- *
- * 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 <mach/gpio-core.h>
-#include <plat/gpio-cfg.h>
-#include <plat/gpio-cfg-helpers.h>
-
-int s3c_gpio_cfgpin(unsigned int pin, unsigned int config)
-{
- struct s3c_gpio_chip *chip = s3c_gpiolib_getchip(pin);
- unsigned long flags;
- int offset;
- int ret;
-
- if (!chip)
- return -EINVAL;
-
- offset = pin - chip->chip.base;
-
- local_irq_save(flags);
- ret = s3c_gpio_do_setcfg(chip, offset, config);
- local_irq_restore(flags);
-
- return ret;
-}
-EXPORT_SYMBOL(s3c_gpio_cfgpin);
-
-int s3c_gpio_setpull(unsigned int pin, s3c_gpio_pull_t pull)
-{
- struct s3c_gpio_chip *chip = s3c_gpiolib_getchip(pin);
- unsigned long flags;
- int offset, ret;
-
- if (!chip)
- return -EINVAL;
-
- offset = pin - chip->chip.base;
-
- local_irq_save(flags);
- ret = s3c_gpio_do_setpull(chip, offset, pull);
- local_irq_restore(flags);
-
- return ret;
-}
-EXPORT_SYMBOL(s3c_gpio_setpull);
-
-#ifdef CONFIG_S3C_GPIO_CFG_S3C24XX
-int s3c_gpio_setcfg_s3c24xx_banka(struct s3c_gpio_chip *chip,
- unsigned int off, unsigned int cfg)
-{
- void __iomem *reg = chip->base;
- unsigned int shift = off;
- u32 con;
-
- if (s3c_gpio_is_cfg_special(cfg)) {
- cfg &= 0xf;
-
- /* Map output to 0, and SFN2 to 1 */
- cfg -= 1;
- if (cfg > 1)
- return -EINVAL;
-
- cfg <<= shift;
- }
-
- con = __raw_readl(reg);
- con &= ~(0x1 << shift);
- con |= cfg;
- __raw_writel(con, reg);
-
- return 0;
-}
-
-int s3c_gpio_setcfg_s3c24xx(struct s3c_gpio_chip *chip,
- unsigned int off, unsigned int cfg)
-{
- void __iomem *reg = chip->base;
- unsigned int shift = off * 2;
- u32 con;
-
- if (s3c_gpio_is_cfg_special(cfg)) {
- cfg &= 0xf;
- if (cfg > 3)
- return -EINVAL;
-
- cfg <<= shift;
- }
-
- con = __raw_readl(reg);
- con &= ~(0x3 << shift);
- con |= cfg;
- __raw_writel(con, reg);
-
- return 0;
-}
-#endif
-
-#ifdef CONFIG_S3C_GPIO_CFG_S3C64XX
-int s3c_gpio_setcfg_s3c64xx_4bit(struct s3c_gpio_chip *chip,
- unsigned int off, unsigned int cfg)
-{
- void __iomem *reg = chip->base;
- unsigned int shift = (off & 7) * 4;
- u32 con;
-
- if (off < 8 && chip->chip.ngpio > 8)
- reg -= 4;
-
- if (s3c_gpio_is_cfg_special(cfg)) {
- cfg &= 0xf;
- cfg <<= shift;
- }
-
- con = __raw_readl(reg);
- con &= ~(0xf << shift);
- con |= cfg;
- __raw_writel(con, reg);
-
- return 0;
-}
-#endif /* CONFIG_S3C_GPIO_CFG_S3C64XX */
-
-#ifdef CONFIG_S3C_GPIO_PULL_UPDOWN
-int s3c_gpio_setpull_updown(struct s3c_gpio_chip *chip,
- unsigned int off, s3c_gpio_pull_t pull)
-{
- void __iomem *reg = chip->base + 0x08;
- int shift = off * 2;
- u32 pup;
-
- pup = __raw_readl(reg);
- pup &= ~(3 << shift);
- pup |= pull << shift;
- __raw_writel(pup, reg);
-
- return 0;
-}
-
-s3c_gpio_pull_t s3c_gpio_getpull_updown(struct s3c_gpio_chip *chip,
- unsigned int off)
-{
- void __iomem *reg = chip->base + 0x08;
- int shift = off * 2;
- u32 pup = __raw_readl(reg);
-
- pup >>= shift;
- pup &= 0x3;
- return (__force s3c_gpio_pull_t)pup;
-}
-#endif