1 /*
2  * Copyright 2009 Amit Kucheria <amit.kucheria@canonical.com>
3  * Copyright (C) 2010 Freescale Semiconductor, Inc.
4  *
5  * The code contained herein is licensed under the GNU General Public
6  * License. You may obtain a copy of the GNU General Public License
7  * Version 2 or later at the following locations:
8  *
9  * http://www.opensource.org/licenses/gpl-license.html
10  * http://www.gnu.org/copyleft/gpl.html
11  */
12 
13 #include <linux/platform_device.h>
14 #include <linux/dma-mapping.h>
15 #include <linux/gpio.h>
16 #include <mach/hardware.h>
17 #include <mach/imx-uart.h>
18 #include <mach/irqs.h>
19 
20 static struct resource mxc_hsi2c_resources[] = {
21 	{
22 		.start = MX51_HSI2C_DMA_BASE_ADDR,
23 		.end = MX51_HSI2C_DMA_BASE_ADDR + SZ_16K - 1,
24 		.flags = IORESOURCE_MEM,
25 	},
26 	{
27 		.start = MX51_MXC_INT_HS_I2C,
28 		.end = MX51_MXC_INT_HS_I2C,
29 		.flags = IORESOURCE_IRQ,
30 	},
31 };
32 
33 struct platform_device mxc_hsi2c_device = {
34 	.name = "imx-i2c",
35 	.id = 2,
36 	.num_resources = ARRAY_SIZE(mxc_hsi2c_resources),
37 	.resource = mxc_hsi2c_resources
38 };
39 
40 static u64 usb_dma_mask = DMA_BIT_MASK(32);
41 
42 static struct resource usbotg_resources[] = {
43 	{
44 		.start = MX51_OTG_BASE_ADDR,
45 		.end = MX51_OTG_BASE_ADDR + 0x1ff,
46 		.flags = IORESOURCE_MEM,
47 	},
48 	{
49 		.start = MX51_MXC_INT_USB_OTG,
50 		.flags = IORESOURCE_IRQ,
51 	},
52 };
53 
54 /* OTG gadget device */
55 struct platform_device mxc_usbdr_udc_device = {
56 	.name		= "fsl-usb2-udc",
57 	.id		= -1,
58 	.num_resources	= ARRAY_SIZE(usbotg_resources),
59 	.resource	= usbotg_resources,
60 	.dev		= {
61 		.dma_mask		= &usb_dma_mask,
62 		.coherent_dma_mask	= DMA_BIT_MASK(32),
63 	},
64 };
65 
66 struct platform_device mxc_usbdr_host_device = {
67 	.name = "mxc-ehci",
68 	.id = 0,
69 	.num_resources = ARRAY_SIZE(usbotg_resources),
70 	.resource = usbotg_resources,
71 	.dev = {
72 		.dma_mask = &usb_dma_mask,
73 		.coherent_dma_mask = DMA_BIT_MASK(32),
74 	},
75 };
76 
77 static struct resource usbh1_resources[] = {
78 	{
79 		.start = MX51_OTG_BASE_ADDR + 0x200,
80 		.end = MX51_OTG_BASE_ADDR + 0x200 + 0x1ff,
81 		.flags = IORESOURCE_MEM,
82 	},
83 	{
84 		.start = MX51_MXC_INT_USB_H1,
85 		.flags = IORESOURCE_IRQ,
86 	},
87 };
88 
89 struct platform_device mxc_usbh1_device = {
90 	.name = "mxc-ehci",
91 	.id = 1,
92 	.num_resources = ARRAY_SIZE(usbh1_resources),
93 	.resource = usbh1_resources,
94 	.dev = {
95 		.dma_mask = &usb_dma_mask,
96 		.coherent_dma_mask = DMA_BIT_MASK(32),
97 	},
98 };
99 
100 static struct resource usbh2_resources[] = {
101 	{
102 		.start = MX51_OTG_BASE_ADDR + 0x400,
103 		.end = MX51_OTG_BASE_ADDR + 0x400 + 0x1ff,
104 		.flags = IORESOURCE_MEM,
105 	},
106 	{
107 		.start = MX51_MXC_INT_USB_H2,
108 		.flags = IORESOURCE_IRQ,
109 	},
110 };
111 
112 struct platform_device mxc_usbh2_device = {
113 	.name = "mxc-ehci",
114 	.id = 2,
115 	.num_resources = ARRAY_SIZE(usbh2_resources),
116 	.resource = usbh2_resources,
117 	.dev = {
118 		.dma_mask = &usb_dma_mask,
119 		.coherent_dma_mask = DMA_BIT_MASK(32),
120 	},
121 };
122 
123 static struct mxc_gpio_port mxc_gpio_ports[] = {
124 	{
125 		.chip.label = "gpio-0",
126 		.base = MX51_IO_ADDRESS(MX51_GPIO1_BASE_ADDR),
127 		.irq = MX51_MXC_INT_GPIO1_LOW,
128 		.irq_high = MX51_MXC_INT_GPIO1_HIGH,
129 		.virtual_irq_start = MXC_GPIO_IRQ_START
130 	},
131 	{
132 		.chip.label = "gpio-1",
133 		.base = MX51_IO_ADDRESS(MX51_GPIO2_BASE_ADDR),
134 		.irq = MX51_MXC_INT_GPIO2_LOW,
135 		.irq_high = MX51_MXC_INT_GPIO2_HIGH,
136 		.virtual_irq_start = MXC_GPIO_IRQ_START + 32 * 1
137 	},
138 	{
139 		.chip.label = "gpio-2",
140 		.base = MX51_IO_ADDRESS(MX51_GPIO3_BASE_ADDR),
141 		.irq = MX51_MXC_INT_GPIO3_LOW,
142 		.irq_high = MX51_MXC_INT_GPIO3_HIGH,
143 		.virtual_irq_start = MXC_GPIO_IRQ_START + 32 * 2
144 	},
145 	{
146 		.chip.label = "gpio-3",
147 		.base = MX51_IO_ADDRESS(MX51_GPIO4_BASE_ADDR),
148 		.irq = MX51_MXC_INT_GPIO4_LOW,
149 		.irq_high = MX51_MXC_INT_GPIO4_HIGH,
150 		.virtual_irq_start = MXC_GPIO_IRQ_START + 32 * 3
151 	},
152 	{
153 		.chip.label = "gpio-4",
154 		.base = MX53_IO_ADDRESS(MX53_GPIO5_BASE_ADDR),
155 		.irq = MX53_INT_GPIO5_LOW,
156 		.irq_high = MX53_INT_GPIO5_HIGH,
157 		.virtual_irq_start = MXC_GPIO_IRQ_START + 32 * 4
158 	},
159 	{
160 		.chip.label = "gpio-5",
161 		.base = MX53_IO_ADDRESS(MX53_GPIO6_BASE_ADDR),
162 		.irq = MX53_INT_GPIO6_LOW,
163 		.irq_high = MX53_INT_GPIO6_HIGH,
164 		.virtual_irq_start = MXC_GPIO_IRQ_START + 32 * 5
165 	},
166 	{
167 		.chip.label = "gpio-6",
168 		.base = MX53_IO_ADDRESS(MX53_GPIO7_BASE_ADDR),
169 		.irq = MX53_INT_GPIO7_LOW,
170 		.irq_high = MX53_INT_GPIO7_HIGH,
171 		.virtual_irq_start = MXC_GPIO_IRQ_START + 32 * 6
172 	},
173 };
174 
imx51_register_gpios(void)175 int __init imx51_register_gpios(void)
176 {
177 	return mxc_gpio_init(mxc_gpio_ports, 4);
178 }
179 
imx53_register_gpios(void)180 int __init imx53_register_gpios(void)
181 {
182 	return mxc_gpio_init(mxc_gpio_ports, ARRAY_SIZE(mxc_gpio_ports));
183 }
184 
185