2 * Copyright 2006-2007 Freescale Semiconductor, Inc. All Rights Reserved.
3 * Copyright 2008 Sascha Hauer, kernel@pengutronix.de
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.
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.
20 #include <linux/module.h>
21 #include <linux/platform_device.h>
22 #include <linux/serial.h>
23 #include <linux/gpio.h>
24 #include <mach/hardware.h>
25 #include <mach/imx-uart.h>
27 static struct resource uart0[] = {
29 .start = UART1_BASE_ADDR,
30 .end = UART1_BASE_ADDR + 0x0B5,
31 .flags = IORESOURCE_MEM,
33 .start = MXC_INT_UART1,
35 .flags = IORESOURCE_IRQ,
39 static struct platform_device mxc_uart_device0 = {
43 .num_resources = ARRAY_SIZE(uart0),
46 static struct resource uart1[] = {
48 .start = UART2_BASE_ADDR,
49 .end = UART2_BASE_ADDR + 0x0B5,
50 .flags = IORESOURCE_MEM,
52 .start = MXC_INT_UART2,
54 .flags = IORESOURCE_IRQ,
58 static struct platform_device mxc_uart_device1 = {
62 .num_resources = ARRAY_SIZE(uart1),
65 static struct resource uart2[] = {
67 .start = UART3_BASE_ADDR,
68 .end = UART3_BASE_ADDR + 0x0B5,
69 .flags = IORESOURCE_MEM,
71 .start = MXC_INT_UART3,
73 .flags = IORESOURCE_IRQ,
77 static struct platform_device mxc_uart_device2 = {
81 .num_resources = ARRAY_SIZE(uart2),
84 static struct resource uart3[] = {
86 .start = UART4_BASE_ADDR,
87 .end = UART4_BASE_ADDR + 0x0B5,
88 .flags = IORESOURCE_MEM,
90 .start = MXC_INT_UART4,
92 .flags = IORESOURCE_IRQ,
96 static struct platform_device mxc_uart_device3 = {
100 .num_resources = ARRAY_SIZE(uart3),
103 static struct resource uart4[] = {
105 .start = UART5_BASE_ADDR,
106 .end = UART5_BASE_ADDR + 0x0B5,
107 .flags = IORESOURCE_MEM,
109 .start = MXC_INT_UART5,
110 .end = MXC_INT_UART5,
111 .flags = IORESOURCE_IRQ,
115 static struct platform_device mxc_uart_device4 = {
119 .num_resources = ARRAY_SIZE(uart4),
123 * Register only those UARTs that physically exist
125 int __init imx_init_uart(int uart_no, struct imxuart_platform_data *pdata)
129 mxc_uart_device0.dev.platform_data = pdata;
130 platform_device_register(&mxc_uart_device0);
133 mxc_uart_device1.dev.platform_data = pdata;
134 platform_device_register(&mxc_uart_device1);
137 mxc_uart_device2.dev.platform_data = pdata;
138 platform_device_register(&mxc_uart_device2);
141 mxc_uart_device3.dev.platform_data = pdata;
142 platform_device_register(&mxc_uart_device3);
145 mxc_uart_device4.dev.platform_data = pdata;
146 platform_device_register(&mxc_uart_device4);
155 /* GPIO port description */
156 static struct mxc_gpio_port imx_gpio_ports[] = {
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
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
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
177 int __init mxc_register_gpios(void)
179 return mxc_gpio_init(imx_gpio_ports, ARRAY_SIZE(imx_gpio_ports));