diff options
-rw-r--r-- | arch/arm/mach-mx2/Makefile | 2 | ||||
-rw-r--r-- | arch/arm/mach-mx2/devices.c | 231 |
2 files changed, 232 insertions, 1 deletions
diff --git a/arch/arm/mach-mx2/Makefile b/arch/arm/mach-mx2/Makefile index 937192dc57a7..db4d9c6f2738 100644 --- a/arch/arm/mach-mx2/Makefile +++ b/arch/arm/mach-mx2/Makefile | |||
@@ -4,4 +4,4 @@ | |||
4 | 4 | ||
5 | # Object file lists. | 5 | # Object file lists. |
6 | 6 | ||
7 | obj-y := system.o generic.o | 7 | obj-y := system.o generic.o devices.o |
diff --git a/arch/arm/mach-mx2/devices.c b/arch/arm/mach-mx2/devices.c new file mode 100644 index 000000000000..a1f44c3c5315 --- /dev/null +++ b/arch/arm/mach-mx2/devices.c | |||
@@ -0,0 +1,231 @@ | |||
1 | /* | ||
2 | * Author: MontaVista Software, Inc. | ||
3 | * <source@mvista.com> | ||
4 | * | ||
5 | * Based on the OMAP devices.c | ||
6 | * | ||
7 | * 2005 (c) MontaVista Software, Inc. This file is licensed under the | ||
8 | * terms of the GNU General Public License version 2. This program is | ||
9 | * licensed "as is" without any warranty of any kind, whether express | ||
10 | * or implied. | ||
11 | * | ||
12 | * Copyright 2006-2007 Freescale Semiconductor, Inc. All Rights Reserved. | ||
13 | * Copyright 2008 Juergen Beisert, kernel@pengutronix.de | ||
14 | * | ||
15 | * This program is free software; you can redistribute it and/or | ||
16 | * modify it under the terms of the GNU General Public License | ||
17 | * as published by the Free Software Foundation; either version 2 | ||
18 | * of the License, or (at your option) any later version. | ||
19 | * This program is distributed in the hope that it will be useful, | ||
20 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
21 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
22 | * GNU General Public License for more details. | ||
23 | * | ||
24 | * You should have received a copy of the GNU General Public License | ||
25 | * along with this program; if not, write to the Free Software | ||
26 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, | ||
27 | * MA 02110-1301, USA. | ||
28 | */ | ||
29 | #include <linux/module.h> | ||
30 | #include <linux/kernel.h> | ||
31 | #include <linux/init.h> | ||
32 | #include <linux/platform_device.h> | ||
33 | #include <linux/gpio.h> | ||
34 | |||
35 | #include <asm/hardware.h> | ||
36 | |||
37 | /* | ||
38 | * Resource definition for the MXC IrDA | ||
39 | */ | ||
40 | static struct resource mxc_irda_resources[] = { | ||
41 | [0] = { | ||
42 | .start = UART3_BASE_ADDR, | ||
43 | .end = UART3_BASE_ADDR + SZ_4K - 1, | ||
44 | .flags = IORESOURCE_MEM, | ||
45 | }, | ||
46 | [1] = { | ||
47 | .start = MXC_INT_UART3, | ||
48 | .end = MXC_INT_UART3, | ||
49 | .flags = IORESOURCE_IRQ, | ||
50 | }, | ||
51 | }; | ||
52 | |||
53 | /* Platform Data for MXC IrDA */ | ||
54 | struct platform_device mxc_irda_device = { | ||
55 | .name = "mxc_irda", | ||
56 | .id = 0, | ||
57 | .num_resources = ARRAY_SIZE(mxc_irda_resources), | ||
58 | .resource = mxc_irda_resources, | ||
59 | }; | ||
60 | |||
61 | /* | ||
62 | * General Purpose Timer | ||
63 | * - i.MX1: 2 timer (slighly different register handling) | ||
64 | * - i.MX21: 3 timer | ||
65 | * - i.MX27: 6 timer | ||
66 | */ | ||
67 | |||
68 | /* We use gpt0 as system timer, so do not add a device for this one */ | ||
69 | |||
70 | static struct resource timer1_resources[] = { | ||
71 | [0] = { | ||
72 | .start = GPT2_BASE_ADDR, | ||
73 | .end = GPT2_BASE_ADDR + 0x17, | ||
74 | .flags = IORESOURCE_MEM | ||
75 | }, | ||
76 | [1] = { | ||
77 | .start = MXC_INT_GPT2, | ||
78 | .end = MXC_INT_GPT2, | ||
79 | .flags = IORESOURCE_IRQ, | ||
80 | } | ||
81 | }; | ||
82 | |||
83 | struct platform_device mxc_gpt1 = { | ||
84 | .name = "imx_gpt", | ||
85 | .id = 1, | ||
86 | .num_resources = ARRAY_SIZE(timer1_resources), | ||
87 | .resource = timer1_resources | ||
88 | }; | ||
89 | |||
90 | static struct resource timer2_resources[] = { | ||
91 | [0] = { | ||
92 | .start = GPT3_BASE_ADDR, | ||
93 | .end = GPT3_BASE_ADDR + 0x17, | ||
94 | .flags = IORESOURCE_MEM | ||
95 | }, | ||
96 | [1] = { | ||
97 | .start = MXC_INT_GPT3, | ||
98 | .end = MXC_INT_GPT3, | ||
99 | .flags = IORESOURCE_IRQ, | ||
100 | } | ||
101 | }; | ||
102 | |||
103 | struct platform_device mxc_gpt2 = { | ||
104 | .name = "imx_gpt", | ||
105 | .id = 2, | ||
106 | .num_resources = ARRAY_SIZE(timer2_resources), | ||
107 | .resource = timer2_resources | ||
108 | }; | ||
109 | |||
110 | #ifdef CONFIG_MACH_MX27 | ||
111 | static struct resource timer3_resources[] = { | ||
112 | [0] = { | ||
113 | .start = GPT4_BASE_ADDR, | ||
114 | .end = GPT4_BASE_ADDR + 0x17, | ||
115 | .flags = IORESOURCE_MEM | ||
116 | }, | ||
117 | [1] = { | ||
118 | .start = MXC_INT_GPT4, | ||
119 | .end = MXC_INT_GPT4, | ||
120 | .flags = IORESOURCE_IRQ, | ||
121 | } | ||
122 | }; | ||
123 | |||
124 | struct platform_device mxc_gpt3 = { | ||
125 | .name = "imx_gpt", | ||
126 | .id = 3, | ||
127 | .num_resources = ARRAY_SIZE(timer3_resources), | ||
128 | .resource = timer3_resources | ||
129 | }; | ||
130 | |||
131 | static struct resource timer4_resources[] = { | ||
132 | [0] = { | ||
133 | .start = GPT5_BASE_ADDR, | ||
134 | .end = GPT5_BASE_ADDR + 0x17, | ||
135 | .flags = IORESOURCE_MEM | ||
136 | }, | ||
137 | [1] = { | ||
138 | .start = MXC_INT_GPT5, | ||
139 | .end = MXC_INT_GPT5, | ||
140 | .flags = IORESOURCE_IRQ, | ||
141 | } | ||
142 | }; | ||
143 | |||
144 | struct platform_device mxc_gpt4 = { | ||
145 | .name = "imx_gpt", | ||
146 | .id = 4, | ||
147 | .num_resources = ARRAY_SIZE(timer4_resources), | ||
148 | .resource = timer4_resources | ||
149 | }; | ||
150 | |||
151 | static struct resource timer5_resources[] = { | ||
152 | [0] = { | ||
153 | .start = GPT6_BASE_ADDR, | ||
154 | .end = GPT6_BASE_ADDR + 0x17, | ||
155 | .flags = IORESOURCE_MEM | ||
156 | }, | ||
157 | [1] = { | ||
158 | .start = MXC_INT_GPT6, | ||
159 | .end = MXC_INT_GPT6, | ||
160 | .flags = IORESOURCE_IRQ, | ||
161 | } | ||
162 | }; | ||
163 | |||
164 | struct platform_device mxc_gpt5 = { | ||
165 | .name = "imx_gpt", | ||
166 | .id = 5, | ||
167 | .num_resources = ARRAY_SIZE(timer5_resources), | ||
168 | .resource = timer5_resources | ||
169 | }; | ||
170 | #endif | ||
171 | |||
172 | /* | ||
173 | * Watchdog: | ||
174 | * - i.MX1 | ||
175 | * - i.MX21 | ||
176 | * - i.MX27 | ||
177 | */ | ||
178 | static struct resource mxc_wdt_resources[] = { | ||
179 | { | ||
180 | .start = WDOG_BASE_ADDR, | ||
181 | .end = WDOG_BASE_ADDR + 0x30, | ||
182 | .flags = IORESOURCE_MEM, | ||
183 | }, | ||
184 | }; | ||
185 | |||
186 | struct platform_device mxc_wdt = { | ||
187 | .name = "mxc_wdt", | ||
188 | .id = 0, | ||
189 | .num_resources = ARRAY_SIZE(mxc_wdt_resources), | ||
190 | .resource = mxc_wdt_resources, | ||
191 | }; | ||
192 | |||
193 | /* GPIO port description */ | ||
194 | static struct mxc_gpio_port imx_gpio_ports[] = { | ||
195 | [0] = { | ||
196 | .chip.label = "gpio-0", | ||
197 | .irq = MXC_INT_GPIO, | ||
198 | .base = (void*)(AIPI_BASE_ADDR_VIRT + 0x15000 + 0x100 * 0), | ||
199 | .virtual_irq_start = MXC_MAX_INT_LINES, | ||
200 | }, | ||
201 | [1] = { | ||
202 | .chip.label = "gpio-1", | ||
203 | .base = (void*)(AIPI_BASE_ADDR_VIRT + 0x15000 + 0x100 * 1), | ||
204 | .virtual_irq_start = MXC_MAX_INT_LINES + 32, | ||
205 | }, | ||
206 | [2] = { | ||
207 | .chip.label = "gpio-2", | ||
208 | .base = (void*)(AIPI_BASE_ADDR_VIRT + 0x15000 + 0x100 * 2), | ||
209 | .virtual_irq_start = MXC_MAX_INT_LINES + 64, | ||
210 | }, | ||
211 | [3] = { | ||
212 | .chip.label = "gpio-3", | ||
213 | .base = (void*)(AIPI_BASE_ADDR_VIRT + 0x15000 + 0x100 * 3), | ||
214 | .virtual_irq_start = MXC_MAX_INT_LINES + 96, | ||
215 | }, | ||
216 | [4] = { | ||
217 | .chip.label = "gpio-4", | ||
218 | .base = (void*)(AIPI_BASE_ADDR_VIRT + 0x15000 + 0x100 * 4), | ||
219 | .virtual_irq_start = MXC_MAX_INT_LINES + 128, | ||
220 | }, | ||
221 | [5] = { | ||
222 | .chip.label = "gpio-5", | ||
223 | .base = (void*)(AIPI_BASE_ADDR_VIRT + 0x15000 + 0x100 * 5), | ||
224 | .virtual_irq_start = MXC_MAX_INT_LINES + 160, | ||
225 | } | ||
226 | }; | ||
227 | |||
228 | int __init mxc_register_gpios(void) | ||
229 | { | ||
230 | return mxc_gpio_init(imx_gpio_ports, ARRAY_SIZE(imx_gpio_ports)); | ||
231 | } | ||