aboutsummaryrefslogtreecommitdiffstats
path: root/arch/m68knommu
diff options
context:
space:
mode:
authorsfking@fdwdc.com <sfking@fdwdc.com>2009-06-19 21:11:03 -0400
committerGreg Ungerer <gerg@uclinux.org>2009-09-09 22:01:22 -0400
commitafde8560b4217338c17b7dbc9e9d7676c1b3a5ff (patch)
treeaf262b5b77e26894b4c5a2d814cc3b26847dd334 /arch/m68knommu
parent24a1836ecd471409aeb5362f63032126ebe7fb10 (diff)
generic GPIO support for the Freescale Coldfire 520x.
Add support for the 520x. 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/520x/Makefile2
-rw-r--r--arch/m68knommu/platform/520x/gpio.c211
2 files changed, 212 insertions, 1 deletions
diff --git a/arch/m68knommu/platform/520x/Makefile b/arch/m68knommu/platform/520x/Makefile
index a50e76acc8fd..435ab3483dc1 100644
--- a/arch/m68knommu/platform/520x/Makefile
+++ b/arch/m68knommu/platform/520x/Makefile
@@ -14,4 +14,4 @@
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
diff --git a/arch/m68knommu/platform/520x/gpio.c b/arch/m68knommu/platform/520x/gpio.c
new file mode 100644
index 000000000000..15b5bb62a698
--- /dev/null
+++ b/arch/m68knommu/platform/520x/gpio.c
@@ -0,0 +1,211 @@
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 = "PIRQ",
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 = 8,
34 },
35 .pddr = MCFEPORT_EPDDR,
36 .podr = MCFEPORT_EPDR,
37 .ppdr = MCFEPORT_EPPDR,
38 },
39 {
40 .gpio_chip = {
41 .label = "BUSCTL",
42 .request = mcf_gpio_request,
43 .free = mcf_gpio_free,
44 .direction_input = mcf_gpio_direction_input,
45 .direction_output = mcf_gpio_direction_output,
46 .get = mcf_gpio_get_value,
47 .set = mcf_gpio_set_value_fast,
48 .base = 8,
49 .ngpio = 4,
50 },
51 .pddr = MCFGPIO_PDDR_BUSCTL,
52 .podr = MCFGPIO_PODR_BUSCTL,
53 .ppdr = MCFGPIO_PPDSDR_BUSCTL,
54 .setr = MCFGPIO_PPDSDR_BUSCTL,
55 .clrr = MCFGPIO_PCLRR_BUSCTL,
56 },
57 {
58 .gpio_chip = {
59 .label = "BE",
60 .request = mcf_gpio_request,
61 .free = mcf_gpio_free,
62 .direction_input = mcf_gpio_direction_input,
63 .direction_output = mcf_gpio_direction_output,
64 .get = mcf_gpio_get_value,
65 .set = mcf_gpio_set_value_fast,
66 .base = 16,
67 .ngpio = 4,
68 },
69 .pddr = MCFGPIO_PDDR_BE,
70 .podr = MCFGPIO_PODR_BE,
71 .ppdr = MCFGPIO_PPDSDR_BE,
72 .setr = MCFGPIO_PPDSDR_BE,
73 .clrr = MCFGPIO_PCLRR_BE,
74 },
75 {
76 .gpio_chip = {
77 .label = "CS",
78 .request = mcf_gpio_request,
79 .free = mcf_gpio_free,
80 .direction_input = mcf_gpio_direction_input,
81 .direction_output = mcf_gpio_direction_output,
82 .get = mcf_gpio_get_value,
83 .set = mcf_gpio_set_value_fast,
84 .base = 25,
85 .ngpio = 3,
86 },
87 .pddr = MCFGPIO_PDDR_CS,
88 .podr = MCFGPIO_PODR_CS,
89 .ppdr = MCFGPIO_PPDSDR_CS,
90 .setr = MCFGPIO_PPDSDR_CS,
91 .clrr = MCFGPIO_PCLRR_CS,
92 },
93 {
94 .gpio_chip = {
95 .label = "FECI2C",
96 .request = mcf_gpio_request,
97 .free = mcf_gpio_free,
98 .direction_input = mcf_gpio_direction_input,
99 .direction_output = mcf_gpio_direction_output,
100 .get = mcf_gpio_get_value,
101 .set = mcf_gpio_set_value_fast,
102 .base = 32,
103 .ngpio = 4,
104 },
105 .pddr = MCFGPIO_PDDR_FECI2C,
106 .podr = MCFGPIO_PODR_FECI2C,
107 .ppdr = MCFGPIO_PPDSDR_FECI2C,
108 .setr = MCFGPIO_PPDSDR_FECI2C,
109 .clrr = MCFGPIO_PCLRR_FECI2C,
110 },
111 {
112 .gpio_chip = {
113 .label = "QSPI",
114 .request = mcf_gpio_request,
115 .free = mcf_gpio_free,
116 .direction_input = mcf_gpio_direction_input,
117 .direction_output = mcf_gpio_direction_output,
118 .get = mcf_gpio_get_value,
119 .set = mcf_gpio_set_value_fast,
120 .base = 40,
121 .ngpio = 4,
122 },
123 .pddr = MCFGPIO_PDDR_QSPI,
124 .podr = MCFGPIO_PODR_QSPI,
125 .ppdr = MCFGPIO_PPDSDR_QSPI,
126 .setr = MCFGPIO_PPDSDR_QSPI,
127 .clrr = MCFGPIO_PCLRR_QSPI,
128 },
129 {
130 .gpio_chip = {
131 .label = "TIMER",
132 .request = mcf_gpio_request,
133 .free = mcf_gpio_free,
134 .direction_input = mcf_gpio_direction_input,
135 .direction_output = mcf_gpio_direction_output,
136 .get = mcf_gpio_get_value,
137 .set = mcf_gpio_set_value_fast,
138 .base = 48,
139 .ngpio = 4,
140 },
141 .pddr = MCFGPIO_PDDR_TIMER,
142 .podr = MCFGPIO_PODR_TIMER,
143 .ppdr = MCFGPIO_PPDSDR_TIMER,
144 .setr = MCFGPIO_PPDSDR_TIMER,
145 .clrr = MCFGPIO_PCLRR_TIMER,
146 },
147 {
148 .gpio_chip = {
149 .label = "UART",
150 .request = mcf_gpio_request,
151 .free = mcf_gpio_free,
152 .direction_input = mcf_gpio_direction_input,
153 .direction_output = mcf_gpio_direction_output,
154 .get = mcf_gpio_get_value,
155 .set = mcf_gpio_set_value_fast,
156 .base = 56,
157 .ngpio = 8,
158 },
159 .pddr = MCFGPIO_PDDR_UART,
160 .podr = MCFGPIO_PODR_UART,
161 .ppdr = MCFGPIO_PPDSDR_UART,
162 .setr = MCFGPIO_PPDSDR_UART,
163 .clrr = MCFGPIO_PCLRR_UART,
164 },
165 {
166 .gpio_chip = {
167 .label = "FECH",
168 .request = mcf_gpio_request,
169 .free = mcf_gpio_free,
170 .direction_input = mcf_gpio_direction_input,
171 .direction_output = mcf_gpio_direction_output,
172 .get = mcf_gpio_get_value,
173 .set = mcf_gpio_set_value_fast,
174 .base = 64,
175 .ngpio = 8,
176 },
177 .pddr = MCFGPIO_PDDR_FECH,
178 .podr = MCFGPIO_PODR_FECH,
179 .ppdr = MCFGPIO_PPDSDR_FECH,
180 .setr = MCFGPIO_PPDSDR_FECH,
181 .clrr = MCFGPIO_PCLRR_FECH,
182 },
183 {
184 .gpio_chip = {
185 .label = "FECL",
186 .request = mcf_gpio_request,
187 .free = mcf_gpio_free,
188 .direction_input = mcf_gpio_direction_input,
189 .direction_output = mcf_gpio_direction_output,
190 .get = mcf_gpio_get_value,
191 .set = mcf_gpio_set_value_fast,
192 .base = 72,
193 .ngpio = 8,
194 },
195 .pddr = MCFGPIO_PDDR_FECL,
196 .podr = MCFGPIO_PODR_FECL,
197 .ppdr = MCFGPIO_PPDSDR_FECL,
198 .setr = MCFGPIO_PPDSDR_FECL,
199 .clrr = MCFGPIO_PCLRR_FECL,
200 },
201};
202
203static int __init mcf_gpio_init(void)
204{
205 unsigned i = 0;
206 while (i < ARRAY_SIZE(mcf_gpio_chips))
207 (void)gpiochip_add((struct gpio_chip *)&mcf_gpio_chips[i++]);
208 return 0;
209}
210
211core_initcall(mcf_gpio_init);
generated by cgit v1.2.2 (git 2.25.0) at 2024-11-10 20:32:11 -0500