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/*
* Copyright 2006-2007 Freescale Semiconductor, Inc. All Rights Reserved.
* Copyright 2008 Sascha Hauer, kernel@pengutronix.de
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include <linux/module.h>
#include <linux/platform_device.h>
#include <linux/serial.h>
#include <linux/gpio.h>
#include <asm/hardware.h>
#include <asm/arch/imx-uart.h>
static struct resource uart0[] = {
{
.start = UART1_BASE_ADDR,
.end = UART1_BASE_ADDR + 0x0B5,
.flags = IORESOURCE_MEM,
}, {
.start = MXC_INT_UART1,
.end = MXC_INT_UART1,
.flags = IORESOURCE_IRQ,
},
};
static struct platform_device mxc_uart_device0 = {
.name = "imx-uart",
.id = 0,
.resource = uart0,
.num_resources = ARRAY_SIZE(uart0),
};
static struct resource uart1[] = {
{
.start = UART2_BASE_ADDR,
.end = UART2_BASE_ADDR + 0x0B5,
.flags = IORESOURCE_MEM,
}, {
.start = MXC_INT_UART2,
.end = MXC_INT_UART2,
.flags = IORESOURCE_IRQ,
},
};
static struct platform_device mxc_uart_device1 = {
.name = "imx-uart",
.id = 1,
.resource = uart1,
.num_resources = ARRAY_SIZE(uart1),
};
static struct resource uart2[] = {
{
.start = UART3_BASE_ADDR,
.end = UART3_BASE_ADDR + 0x0B5,
.flags = IORESOURCE_MEM,
}, {
.start = MXC_INT_UART3,
.end = MXC_INT_UART3,
.flags = IORESOURCE_IRQ,
},
};
static struct platform_device mxc_uart_device2 = {
.name = "imx-uart",
.id = 2,
.resource = uart2,
.num_resources = ARRAY_SIZE(uart2),
};
static struct resource uart3[] = {
{
.start = UART4_BASE_ADDR,
.end = UART4_BASE_ADDR + 0x0B5,
.flags = IORESOURCE_MEM,
}, {
.start = MXC_INT_UART4,
.end = MXC_INT_UART4,
.flags = IORESOURCE_IRQ,
},
};
static struct platform_device mxc_uart_device3 = {
.name = "imx-uart",
.id = 3,
.resource = uart3,
.num_resources = ARRAY_SIZE(uart3),
};
static struct resource uart4[] = {
{
.start = UART5_BASE_ADDR,
.end = UART5_BASE_ADDR + 0x0B5,
.flags = IORESOURCE_MEM,
}, {
.start = MXC_INT_UART5,
.end = MXC_INT_UART5,
.flags = IORESOURCE_IRQ,
},
};
static struct platform_device mxc_uart_device4 = {
.name = "imx-uart",
.id = 4,
.resource = uart4,
.num_resources = ARRAY_SIZE(uart4),
};
/*
* Register only those UARTs that physically exist
*/
int __init imx_init_uart(int uart_no, struct imxuart_platform_data *pdata)
{
switch (uart_no) {
case 0:
mxc_uart_device0.dev.platform_data = pdata;
platform_device_register(&mxc_uart_device0);
break;
case 1:
mxc_uart_device1.dev.platform_data = pdata;
platform_device_register(&mxc_uart_device1);
break;
case 2:
mxc_uart_device2.dev.platform_data = pdata;
platform_device_register(&mxc_uart_device2);
break;
case 3:
mxc_uart_device3.dev.platform_data = pdata;
platform_device_register(&mxc_uart_device3);
break;
case 4:
mxc_uart_device4.dev.platform_data = pdata;
platform_device_register(&mxc_uart_device4);
break;
default:
return -ENODEV;
}
return 0;
}
/* GPIO port description */
static struct mxc_gpio_port imx_gpio_ports[] = {
[0] = {
.chip.label = "gpio-0",
.base = IO_ADDRESS(GPIO1_BASE_ADDR),
.irq = MXC_INT_GPIO1,
.virtual_irq_start = MXC_GPIO_INT_BASE
},
[1] = {
.chip.label = "gpio-1",
.base = IO_ADDRESS(GPIO2_BASE_ADDR),
.irq = MXC_INT_GPIO2,
.virtual_irq_start = MXC_GPIO_INT_BASE + GPIO_NUM_PIN
},
[2] = {
.chip.label = "gpio-2",
.base = IO_ADDRESS(GPIO3_BASE_ADDR),
.irq = MXC_INT_GPIO3,
.virtual_irq_start = MXC_GPIO_INT_BASE + GPIO_NUM_PIN * 2
}
};
int __init mxc_register_gpios(void)
{
return mxc_gpio_init(imx_gpio_ports, ARRAY_SIZE(imx_gpio_ports));
}
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