diff options
author | Linus Walleij <linus.walleij@linaro.org> | 2013-09-09 05:59:51 -0400 |
---|---|---|
committer | Linus Walleij <linus.walleij@linaro.org> | 2013-09-20 17:03:36 -0400 |
commit | e9004f5039b3840089cb1cb0fe558a81e2bb55f0 (patch) | |
tree | 8c0effa3ea4b6e68786c7f11d16de1514746e615 /arch/arm/plat-iop | |
parent | 272b98c6455f00884f0350f775c5342358ebb73f (diff) |
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/Makefile | 2 | ||||
-rw-r--r-- | arch/arm/plat-iop/gpio.c | 93 |
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 @@ | |||
5 | obj-y := | 5 | obj-y := |
6 | 6 | ||
7 | # IOP32X | 7 | # IOP32X |
8 | obj-$(CONFIG_ARCH_IOP32X) += gpio.o | ||
9 | obj-$(CONFIG_ARCH_IOP32X) += i2c.o | 8 | obj-$(CONFIG_ARCH_IOP32X) += i2c.o |
10 | obj-$(CONFIG_ARCH_IOP32X) += pci.o | 9 | obj-$(CONFIG_ARCH_IOP32X) += pci.o |
11 | obj-$(CONFIG_ARCH_IOP32X) += setup.o | 10 | obj-$(CONFIG_ARCH_IOP32X) += setup.o |
@@ -16,7 +15,6 @@ obj-$(CONFIG_ARCH_IOP32X) += pmu.o | |||
16 | obj-$(CONFIG_ARCH_IOP32X) += restart.o | 15 | obj-$(CONFIG_ARCH_IOP32X) += restart.o |
17 | 16 | ||
18 | # IOP33X | 17 | # IOP33X |
19 | obj-$(CONFIG_ARCH_IOP33X) += gpio.o | ||
20 | obj-$(CONFIG_ARCH_IOP33X) += i2c.o | 18 | obj-$(CONFIG_ARCH_IOP33X) += i2c.o |
21 | obj-$(CONFIG_ARCH_IOP33X) += pci.o | 19 | obj-$(CONFIG_ARCH_IOP33X) += pci.o |
22 | obj-$(CONFIG_ARCH_IOP33X) += setup.o | 20 | 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 @@ | |||
1 | /* | ||
2 | * arch/arm/plat-iop/gpio.c | ||
3 | * GPIO handling for Intel IOP3xx processors. | ||
4 | * | ||
5 | * Copyright (C) 2006 Lennert Buytenhek <buytenh@wantstofly.org> | ||
6 | * | ||
7 | * This program is free software; you can redistribute it and/or modify | ||
8 | * it under the terms of the GNU General Public License as published by | ||
9 | * the Free Software Foundation; either version 2 of the License, or (at | ||
10 | * your option) any later version. | ||
11 | */ | ||
12 | |||
13 | #include <linux/device.h> | ||
14 | #include <linux/init.h> | ||
15 | #include <linux/types.h> | ||
16 | #include <linux/errno.h> | ||
17 | #include <linux/gpio.h> | ||
18 | #include <linux/export.h> | ||
19 | #include <asm/hardware/iop3xx.h> | ||
20 | #include <mach/gpio.h> | ||
21 | |||
22 | void gpio_line_config(int line, int direction) | ||
23 | { | ||
24 | unsigned long flags; | ||
25 | |||
26 | local_irq_save(flags); | ||
27 | if (direction == GPIO_IN) { | ||
28 | *IOP3XX_GPOE |= 1 << line; | ||
29 | } else if (direction == GPIO_OUT) { | ||
30 | *IOP3XX_GPOE &= ~(1 << line); | ||
31 | } | ||
32 | local_irq_restore(flags); | ||
33 | } | ||
34 | EXPORT_SYMBOL(gpio_line_config); | ||
35 | |||
36 | int gpio_line_get(int line) | ||
37 | { | ||
38 | return !!(*IOP3XX_GPID & (1 << line)); | ||
39 | } | ||
40 | EXPORT_SYMBOL(gpio_line_get); | ||
41 | |||
42 | void gpio_line_set(int line, int value) | ||
43 | { | ||
44 | unsigned long flags; | ||
45 | |||
46 | local_irq_save(flags); | ||
47 | if (value == GPIO_LOW) { | ||
48 | *IOP3XX_GPOD &= ~(1 << line); | ||
49 | } else if (value == GPIO_HIGH) { | ||
50 | *IOP3XX_GPOD |= 1 << line; | ||
51 | } | ||
52 | local_irq_restore(flags); | ||
53 | } | ||
54 | EXPORT_SYMBOL(gpio_line_set); | ||
55 | |||
56 | static int iop3xx_gpio_direction_input(struct gpio_chip *chip, unsigned gpio) | ||
57 | { | ||
58 | gpio_line_config(gpio, GPIO_IN); | ||
59 | return 0; | ||
60 | } | ||
61 | |||
62 | static int iop3xx_gpio_direction_output(struct gpio_chip *chip, unsigned gpio, int level) | ||
63 | { | ||
64 | gpio_line_set(gpio, level); | ||
65 | gpio_line_config(gpio, GPIO_OUT); | ||
66 | return 0; | ||
67 | } | ||
68 | |||
69 | static int iop3xx_gpio_get_value(struct gpio_chip *chip, unsigned gpio) | ||
70 | { | ||
71 | return gpio_line_get(gpio); | ||
72 | } | ||
73 | |||
74 | static void iop3xx_gpio_set_value(struct gpio_chip *chip, unsigned gpio, int value) | ||
75 | { | ||
76 | gpio_line_set(gpio, value); | ||
77 | } | ||
78 | |||
79 | static struct gpio_chip iop3xx_chip = { | ||
80 | .label = "iop3xx", | ||
81 | .direction_input = iop3xx_gpio_direction_input, | ||
82 | .get = iop3xx_gpio_get_value, | ||
83 | .direction_output = iop3xx_gpio_direction_output, | ||
84 | .set = iop3xx_gpio_set_value, | ||
85 | .base = 0, | ||
86 | .ngpio = IOP3XX_N_GPIOS, | ||
87 | }; | ||
88 | |||
89 | static int __init iop3xx_gpio_setup(void) | ||
90 | { | ||
91 | return gpiochip_add(&iop3xx_chip); | ||
92 | } | ||
93 | arch_initcall(iop3xx_gpio_setup); | ||