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authorsfking@fdwdc.com <sfking@fdwdc.com>2009-06-19 21:11:09 -0400
committerGreg Ungerer <gerg@uclinux.org>2009-09-09 22:01:23 -0400
commitf7a20ba06435d067247bd50a15a1d550b9b3fc7d (patch)
tree5b92e1f95b6052ffaac959750d6b8d3c520e33be /arch/m68knommu
parent6da6e63c96f5fc8a92b6d1d6f12c2bf998588ffe (diff)
generic GPIO support for the Freescale Coldfire 5307.
Add support for the 5307. Signed-off-by: Steven King <sfking@fdwdc.com> Signed-off-by: Greg Ungerer <gerg@uclinux.org>
Diffstat (limited to 'arch/m68knommu')
-rw-r--r--arch/m68knommu/platform/5307/Makefile2
-rw-r--r--arch/m68knommu/platform/5307/gpio.c49
2 files changed, 50 insertions, 1 deletions
diff --git a/arch/m68knommu/platform/5307/Makefile b/arch/m68knommu/platform/5307/Makefile
index cfd586860fd8..667db6598451 100644
--- a/arch/m68knommu/platform/5307/Makefile
+++ b/arch/m68knommu/platform/5307/Makefile
@@ -14,5 +14,5 @@
14 14
15asflags-$(CONFIG_FULLDEBUG) := -DDEBUGGER_COMPATIBLE_CACHE=1 15asflags-$(CONFIG_FULLDEBUG) := -DDEBUGGER_COMPATIBLE_CACHE=1
16 16
17obj-y += config.o 17obj-y += config.o gpio.o
18 18
diff --git a/arch/m68knommu/platform/5307/gpio.c b/arch/m68knommu/platform/5307/gpio.c
new file mode 100644
index 000000000000..8da5880e4066
--- /dev/null
+++ b/arch/m68knommu/platform/5307/gpio.c
@@ -0,0 +1,49 @@
1/*
2 * Coldfire generic GPIO support
3 *
4 * (C) Copyright 2009, Steven King <sfking@fdwdc.com>
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; version 2 of the License.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14*/
15
16#include <linux/kernel.h>
17#include <linux/init.h>
18
19#include <asm/coldfire.h>
20#include <asm/mcfsim.h>
21#include <asm/mcfgpio.h>
22
23static struct mcf_gpio_chip mcf_gpio_chips[] = {
24 {
25 .gpio_chip = {
26 .label = "PP",
27 .request = mcf_gpio_request,
28 .free = mcf_gpio_free,
29 .direction_input = mcf_gpio_direction_input,
30 .direction_output = mcf_gpio_direction_output,
31 .get = mcf_gpio_get_value,
32 .set = mcf_gpio_set_value,
33 .ngpio = 16,
34 },
35 .pddr = MCFSIM_PADDR,
36 .podr = MCFSIM_PADAT,
37 .ppdr = MCFSIM_PADAT,
38 },
39};
40
41static int __init mcf_gpio_init(void)
42{
43 unsigned i = 0;
44 while (i < ARRAY_SIZE(mcf_gpio_chips))
45 (void)gpiochip_add((struct gpio_chip *)&mcf_gpio_chips[i++]);
46 return 0;
47}
48
49core_initcall(mcf_gpio_init);