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authorLinus Walleij <linus.walleij@linaro.org>2013-09-09 13:59:51 +0400
committerLinus Walleij <linus.walleij@linaro.org>2013-09-21 01:03:36 +0400
commite9004f5039b3840089cb1cb0fe558a81e2bb55f0 (patch)
tree8c0effa3ea4b6e68786c7f11d16de1514746e615 /arch/arm/plat-iop
parent272b98c6455f00884f0350f775c5342358ebb73f (diff)
downloadlinux-e9004f5039b3840089cb1cb0fe558a81e2bb55f0.tar.xz
ARM: plat-iop: move the GPIO driver to drivers/gpio
Move the IOP GPIO driver to live with its siblings in the GPIO subsystem. Cc: Lennert Buytenhek <kernel@wantstofly.org> Cc: Dan Williams <dan.j.williams@intel.com> Cc: Mikael Pettersson <mikpe@it.uu.se> Tested-by: Aaro Koskinen <aaro.koskinen@iki.fi> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'arch/arm/plat-iop')
-rw-r--r--arch/arm/plat-iop/Makefile2
-rw-r--r--arch/arm/plat-iop/gpio.c93
2 files changed, 0 insertions, 95 deletions
diff --git a/arch/arm/plat-iop/Makefile b/arch/arm/plat-iop/Makefile
index a99dc15a70f7..224e56c6049b 100644
--- a/arch/arm/plat-iop/Makefile
+++ b/arch/arm/plat-iop/Makefile
@@ -5,7 +5,6 @@
obj-y :=
# IOP32X
-obj-$(CONFIG_ARCH_IOP32X) += gpio.o
obj-$(CONFIG_ARCH_IOP32X) += i2c.o
obj-$(CONFIG_ARCH_IOP32X) += pci.o
obj-$(CONFIG_ARCH_IOP32X) += setup.o
@@ -16,7 +15,6 @@ obj-$(CONFIG_ARCH_IOP32X) += pmu.o
obj-$(CONFIG_ARCH_IOP32X) += restart.o
# IOP33X
-obj-$(CONFIG_ARCH_IOP33X) += gpio.o
obj-$(CONFIG_ARCH_IOP33X) += i2c.o
obj-$(CONFIG_ARCH_IOP33X) += pci.o
obj-$(CONFIG_ARCH_IOP33X) += setup.o
diff --git a/arch/arm/plat-iop/gpio.c b/arch/arm/plat-iop/gpio.c
deleted file mode 100644
index 697de6dc4936..000000000000
--- a/arch/arm/plat-iop/gpio.c
+++ /dev/null
@@ -1,93 +0,0 @@
-/*
- * arch/arm/plat-iop/gpio.c
- * GPIO handling for Intel IOP3xx processors.
- *
- * Copyright (C) 2006 Lennert Buytenhek <buytenh@wantstofly.org>
- *
- * 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.
- */
-
-#include <linux/device.h>
-#include <linux/init.h>
-#include <linux/types.h>
-#include <linux/errno.h>
-#include <linux/gpio.h>
-#include <linux/export.h>
-#include <asm/hardware/iop3xx.h>
-#include <mach/gpio.h>
-
-void gpio_line_config(int line, int direction)
-{
- unsigned long flags;
-
- local_irq_save(flags);
- if (direction == GPIO_IN) {
- *IOP3XX_GPOE |= 1 << line;
- } else if (direction == GPIO_OUT) {
- *IOP3XX_GPOE &= ~(1 << line);
- }
- local_irq_restore(flags);
-}
-EXPORT_SYMBOL(gpio_line_config);
-
-int gpio_line_get(int line)
-{
- return !!(*IOP3XX_GPID & (1 << line));
-}
-EXPORT_SYMBOL(gpio_line_get);
-
-void gpio_line_set(int line, int value)
-{
- unsigned long flags;
-
- local_irq_save(flags);
- if (value == GPIO_LOW) {
- *IOP3XX_GPOD &= ~(1 << line);
- } else if (value == GPIO_HIGH) {
- *IOP3XX_GPOD |= 1 << line;
- }
- local_irq_restore(flags);
-}
-EXPORT_SYMBOL(gpio_line_set);
-
-static int iop3xx_gpio_direction_input(struct gpio_chip *chip, unsigned gpio)
-{
- gpio_line_config(gpio, GPIO_IN);
- return 0;
-}
-
-static int iop3xx_gpio_direction_output(struct gpio_chip *chip, unsigned gpio, int level)
-{
- gpio_line_set(gpio, level);
- gpio_line_config(gpio, GPIO_OUT);
- return 0;
-}
-
-static int iop3xx_gpio_get_value(struct gpio_chip *chip, unsigned gpio)
-{
- return gpio_line_get(gpio);
-}
-
-static void iop3xx_gpio_set_value(struct gpio_chip *chip, unsigned gpio, int value)
-{
- gpio_line_set(gpio, value);
-}
-
-static struct gpio_chip iop3xx_chip = {
- .label = "iop3xx",
- .direction_input = iop3xx_gpio_direction_input,
- .get = iop3xx_gpio_get_value,
- .direction_output = iop3xx_gpio_direction_output,
- .set = iop3xx_gpio_set_value,
- .base = 0,
- .ngpio = IOP3XX_N_GPIOS,
-};
-
-static int __init iop3xx_gpio_setup(void)
-{
- return gpiochip_add(&iop3xx_chip);
-}
-arch_initcall(iop3xx_gpio_setup);