2 * Copyright 2009 Amit Kucheria <amit.kucheria@canonical.com>
3 * Copyright (C) 2010 Freescale Semiconductor, Inc.
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:
9 * http://www.opensource.org/licenses/gpl-license.html
10 * http://www.gnu.org/copyleft/gpl.html
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>
20 static struct resource mxc_hsi2c_resources[] = {
22 .start = MX51_HSI2C_DMA_BASE_ADDR,
23 .end = MX51_HSI2C_DMA_BASE_ADDR + SZ_16K - 1,
24 .flags = IORESOURCE_MEM,
27 .start = MX51_MXC_INT_HS_I2C,
28 .end = MX51_MXC_INT_HS_I2C,
29 .flags = IORESOURCE_IRQ,
33 struct platform_device mxc_hsi2c_device = {
36 .num_resources = ARRAY_SIZE(mxc_hsi2c_resources),
37 .resource = mxc_hsi2c_resources
40 static u64 usb_dma_mask = DMA_BIT_MASK(32);
42 static struct resource usbotg_resources[] = {
44 .start = MX51_OTG_BASE_ADDR,
45 .end = MX51_OTG_BASE_ADDR + 0x1ff,
46 .flags = IORESOURCE_MEM,
49 .start = MX51_MXC_INT_USB_OTG,
50 .flags = IORESOURCE_IRQ,
54 /* OTG gadget device */
55 struct platform_device mxc_usbdr_udc_device = {
56 .name = "fsl-usb2-udc",
58 .num_resources = ARRAY_SIZE(usbotg_resources),
59 .resource = usbotg_resources,
61 .dma_mask = &usb_dma_mask,
62 .coherent_dma_mask = DMA_BIT_MASK(32),
66 struct platform_device mxc_usbdr_host_device = {
69 .num_resources = ARRAY_SIZE(usbotg_resources),
70 .resource = usbotg_resources,
72 .dma_mask = &usb_dma_mask,
73 .coherent_dma_mask = DMA_BIT_MASK(32),
77 static struct resource usbh1_resources[] = {
79 .start = MX51_OTG_BASE_ADDR + 0x200,
80 .end = MX51_OTG_BASE_ADDR + 0x200 + 0x1ff,
81 .flags = IORESOURCE_MEM,
84 .start = MX51_MXC_INT_USB_H1,
85 .flags = IORESOURCE_IRQ,
89 struct platform_device mxc_usbh1_device = {
92 .num_resources = ARRAY_SIZE(usbh1_resources),
93 .resource = usbh1_resources,
95 .dma_mask = &usb_dma_mask,
96 .coherent_dma_mask = DMA_BIT_MASK(32),
100 static struct resource mxc_wdt_resources[] = {
102 .start = MX51_WDOG_BASE_ADDR,
103 .end = MX51_WDOG_BASE_ADDR + SZ_16K - 1,
104 .flags = IORESOURCE_MEM,
108 struct platform_device mxc_wdt = {
111 .num_resources = ARRAY_SIZE(mxc_wdt_resources),
112 .resource = mxc_wdt_resources,
115 static struct resource mxc_kpp_resources[] = {
117 .start = MX51_MXC_INT_KPP,
118 .end = MX51_MXC_INT_KPP,
119 .flags = IORESOURCE_IRQ,
121 .start = MX51_KPP_BASE_ADDR,
122 .end = MX51_KPP_BASE_ADDR + 0x8 - 1,
123 .flags = IORESOURCE_MEM,
127 struct platform_device mxc_keypad_device = {
128 .name = "imx-keypad",
130 .num_resources = ARRAY_SIZE(mxc_kpp_resources),
131 .resource = mxc_kpp_resources,
134 static struct mxc_gpio_port mxc_gpio_ports[] = {
136 .chip.label = "gpio-0",
137 .base = MX51_IO_ADDRESS(MX51_GPIO1_BASE_ADDR),
138 .irq = MX51_MXC_INT_GPIO1_LOW,
139 .irq_high = MX51_MXC_INT_GPIO1_HIGH,
140 .virtual_irq_start = MXC_GPIO_IRQ_START
143 .chip.label = "gpio-1",
144 .base = MX51_IO_ADDRESS(MX51_GPIO2_BASE_ADDR),
145 .irq = MX51_MXC_INT_GPIO2_LOW,
146 .irq_high = MX51_MXC_INT_GPIO2_HIGH,
147 .virtual_irq_start = MXC_GPIO_IRQ_START + 32 * 1
150 .chip.label = "gpio-2",
151 .base = MX51_IO_ADDRESS(MX51_GPIO3_BASE_ADDR),
152 .irq = MX51_MXC_INT_GPIO3_LOW,
153 .irq_high = MX51_MXC_INT_GPIO3_HIGH,
154 .virtual_irq_start = MXC_GPIO_IRQ_START + 32 * 2
157 .chip.label = "gpio-3",
158 .base = MX51_IO_ADDRESS(MX51_GPIO4_BASE_ADDR),
159 .irq = MX51_MXC_INT_GPIO4_LOW,
160 .irq_high = MX51_MXC_INT_GPIO4_HIGH,
161 .virtual_irq_start = MXC_GPIO_IRQ_START + 32 * 3
165 int __init imx51_register_gpios(void)
167 return mxc_gpio_init(mxc_gpio_ports, ARRAY_SIZE(mxc_gpio_ports));