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Diffstat (limited to 'arch/arm/mach-mx3/devices.c')
-rw-r--r-- | arch/arm/mach-mx3/devices.c | 180 |
1 files changed, 180 insertions, 0 deletions
diff --git a/arch/arm/mach-mx3/devices.c b/arch/arm/mach-mx3/devices.c new file mode 100644 index 000000000000..5c0320fce5b6 --- /dev/null +++ b/arch/arm/mach-mx3/devices.c | |||
@@ -0,0 +1,180 @@ | |||
1 | /* | ||
2 | * Copyright 2006-2007 Freescale Semiconductor, Inc. All Rights Reserved. | ||
3 | * Copyright 2008 Sascha Hauer, kernel@pengutronix.de | ||
4 | * | ||
5 | * This program is free software; you can redistribute it and/or | ||
6 | * modify it under the terms of the GNU General Public License | ||
7 | * as published by the Free Software Foundation; either version 2 | ||
8 | * of the License, or (at your option) any later version. | ||
9 | * This program is distributed in the hope that it will be useful, | ||
10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
12 | * GNU General Public License for more details. | ||
13 | * | ||
14 | * You should have received a copy of the GNU General Public License | ||
15 | * along with this program; if not, write to the Free Software | ||
16 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, | ||
17 | * Boston, MA 02110-1301, USA. | ||
18 | */ | ||
19 | |||
20 | #include <linux/module.h> | ||
21 | #include <linux/platform_device.h> | ||
22 | #include <linux/serial.h> | ||
23 | #include <linux/gpio.h> | ||
24 | #include <asm/hardware.h> | ||
25 | #include <asm/arch/imx-uart.h> | ||
26 | |||
27 | static struct resource uart0[] = { | ||
28 | { | ||
29 | .start = UART1_BASE_ADDR, | ||
30 | .end = UART1_BASE_ADDR + 0x0B5, | ||
31 | .flags = IORESOURCE_MEM, | ||
32 | }, { | ||
33 | .start = MXC_INT_UART1, | ||
34 | .end = MXC_INT_UART1, | ||
35 | .flags = IORESOURCE_IRQ, | ||
36 | }, | ||
37 | }; | ||
38 | |||
39 | static struct platform_device mxc_uart_device0 = { | ||
40 | .name = "imx-uart", | ||
41 | .id = 0, | ||
42 | .resource = uart0, | ||
43 | .num_resources = ARRAY_SIZE(uart0), | ||
44 | }; | ||
45 | |||
46 | static struct resource uart1[] = { | ||
47 | { | ||
48 | .start = UART2_BASE_ADDR, | ||
49 | .end = UART2_BASE_ADDR + 0x0B5, | ||
50 | .flags = IORESOURCE_MEM, | ||
51 | }, { | ||
52 | .start = MXC_INT_UART2, | ||
53 | .end = MXC_INT_UART2, | ||
54 | .flags = IORESOURCE_IRQ, | ||
55 | }, | ||
56 | }; | ||
57 | |||
58 | static struct platform_device mxc_uart_device1 = { | ||
59 | .name = "imx-uart", | ||
60 | .id = 1, | ||
61 | .resource = uart1, | ||
62 | .num_resources = ARRAY_SIZE(uart1), | ||
63 | }; | ||
64 | |||
65 | static struct resource uart2[] = { | ||
66 | { | ||
67 | .start = UART3_BASE_ADDR, | ||
68 | .end = UART3_BASE_ADDR + 0x0B5, | ||
69 | .flags = IORESOURCE_MEM, | ||
70 | }, { | ||
71 | .start = MXC_INT_UART3, | ||
72 | .end = MXC_INT_UART3, | ||
73 | .flags = IORESOURCE_IRQ, | ||
74 | }, | ||
75 | }; | ||
76 | |||
77 | static struct platform_device mxc_uart_device2 = { | ||
78 | .name = "imx-uart", | ||
79 | .id = 2, | ||
80 | .resource = uart2, | ||
81 | .num_resources = ARRAY_SIZE(uart2), | ||
82 | }; | ||
83 | |||
84 | static struct resource uart3[] = { | ||
85 | { | ||
86 | .start = UART4_BASE_ADDR, | ||
87 | .end = UART4_BASE_ADDR + 0x0B5, | ||
88 | .flags = IORESOURCE_MEM, | ||
89 | }, { | ||
90 | .start = MXC_INT_UART4, | ||
91 | .end = MXC_INT_UART4, | ||
92 | .flags = IORESOURCE_IRQ, | ||
93 | }, | ||
94 | }; | ||
95 | |||
96 | static struct platform_device mxc_uart_device3 = { | ||
97 | .name = "imx-uart", | ||
98 | .id = 3, | ||
99 | .resource = uart3, | ||
100 | .num_resources = ARRAY_SIZE(uart3), | ||
101 | }; | ||
102 | |||
103 | static struct resource uart4[] = { | ||
104 | { | ||
105 | .start = UART5_BASE_ADDR, | ||
106 | .end = UART5_BASE_ADDR + 0x0B5, | ||
107 | .flags = IORESOURCE_MEM, | ||
108 | }, { | ||
109 | .start = MXC_INT_UART5, | ||
110 | .end = MXC_INT_UART5, | ||
111 | .flags = IORESOURCE_IRQ, | ||
112 | }, | ||
113 | }; | ||
114 | |||
115 | static struct platform_device mxc_uart_device4 = { | ||
116 | .name = "imx-uart", | ||
117 | .id = 4, | ||
118 | .resource = uart4, | ||
119 | .num_resources = ARRAY_SIZE(uart4), | ||
120 | }; | ||
121 | |||
122 | /* | ||
123 | * Register only those UARTs that physically exist | ||
124 | */ | ||
125 | int __init imx_init_uart(int uart_no, struct imxuart_platform_data *pdata) | ||
126 | { | ||
127 | switch (uart_no) { | ||
128 | case 0: | ||
129 | mxc_uart_device0.dev.platform_data = pdata; | ||
130 | platform_device_register(&mxc_uart_device0); | ||
131 | break; | ||
132 | case 1: | ||
133 | mxc_uart_device1.dev.platform_data = pdata; | ||
134 | platform_device_register(&mxc_uart_device1); | ||
135 | break; | ||
136 | case 2: | ||
137 | mxc_uart_device2.dev.platform_data = pdata; | ||
138 | platform_device_register(&mxc_uart_device2); | ||
139 | break; | ||
140 | case 3: | ||
141 | mxc_uart_device3.dev.platform_data = pdata; | ||
142 | platform_device_register(&mxc_uart_device3); | ||
143 | break; | ||
144 | case 4: | ||
145 | mxc_uart_device4.dev.platform_data = pdata; | ||
146 | platform_device_register(&mxc_uart_device4); | ||
147 | break; | ||
148 | default: | ||
149 | return -ENODEV; | ||
150 | } | ||
151 | |||
152 | return 0; | ||
153 | } | ||
154 | |||
155 | /* GPIO port description */ | ||
156 | static struct mxc_gpio_port imx_gpio_ports[] = { | ||
157 | [0] = { | ||
158 | .chip.label = "gpio-0", | ||
159 | .base = IO_ADDRESS(GPIO1_BASE_ADDR), | ||
160 | .irq = MXC_INT_GPIO1, | ||
161 | .virtual_irq_start = MXC_GPIO_INT_BASE | ||
162 | }, | ||
163 | [1] = { | ||
164 | .chip.label = "gpio-1", | ||
165 | .base = IO_ADDRESS(GPIO2_BASE_ADDR), | ||
166 | .irq = MXC_INT_GPIO2, | ||
167 | .virtual_irq_start = MXC_GPIO_INT_BASE + GPIO_NUM_PIN | ||
168 | }, | ||
169 | [2] = { | ||
170 | .chip.label = "gpio-2", | ||
171 | .base = IO_ADDRESS(GPIO3_BASE_ADDR), | ||
172 | .irq = MXC_INT_GPIO3, | ||
173 | .virtual_irq_start = MXC_GPIO_INT_BASE + GPIO_NUM_PIN * 2 | ||
174 | } | ||
175 | }; | ||
176 | |||
177 | int __init mxc_register_gpios(void) | ||
178 | { | ||
179 | return mxc_gpio_init(imx_gpio_ports, ARRAY_SIZE(imx_gpio_ports)); | ||
180 | } | ||