arch/arm/mach-mx1/devices.c

   1 /*
   2  * Copyright 2006-2007 Freescale Semiconductor, Inc. All Rights Reserved.
   3  * Copyright 2008 Sascha Hauer, kernel@pengutronix.de
   4  * Copyright (c) 2008 Paulius Zaleckas <paulius.zaleckas@teltonika.lt>
   5  *
   6  * This program is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU General Public License
   8  * as published by the Free Software Foundation; either version 2
   9  * of the License, or (at your option) any later version.
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program; if not, write to the Free Software
  17  * Foundation, Inc., 51 Franklin Street, Fifth Floor,
  18  * Boston, MA  02110-1301, USA.
  19  */
  20
  21 #include <linux/kernel.h>
  22 #include <linux/init.h>
  23 #include <linux/platform_device.h>
  24 #include <linux/gpio.h>
  25 #include <mach/hardware.h>
  26
  27 static struct resource imx_uart1_resources[] = {
  28         [0] = {
  29                 .start  = UART1_BASE_ADDR,
  30                 .end    = UART1_BASE_ADDR + 0xD0,
  31                 .flags  = IORESOURCE_MEM,
  32         },
  33         [1] = {
  34                 .start  = UART1_MINT_RX,
  35                 .end    = UART1_MINT_RX,
  36                 .flags  = IORESOURCE_IRQ,
  37         },
  38         [2] = {
  39                 .start  = UART1_MINT_TX,
  40                 .end    = UART1_MINT_TX,
  41                 .flags  = IORESOURCE_IRQ,
  42         },
  43         [3] = {
  44                 .start  = UART1_MINT_RTS,
  45                 .end    = UART1_MINT_RTS,
  46                 .flags  = IORESOURCE_IRQ,
  47         },
  48 };
  49
  50 struct platform_device imx_uart1_device = {
  51         .name           = "imx-uart",
  52         .id             = 0,
  53         .num_resources  = ARRAY_SIZE(imx_uart1_resources),
  54         .resource       = imx_uart1_resources,
  55 };
  56
  57 static struct resource imx_uart2_resources[] = {
  58         [0] = {
  59                 .start  = UART2_BASE_ADDR,
  60                 .end    = UART2_BASE_ADDR + 0xD0,
  61                 .flags  = IORESOURCE_MEM,
  62         },
  63         [1] = {
  64                 .start  = UART2_MINT_RX,
  65                 .end    = UART2_MINT_RX,
  66                 .flags  = IORESOURCE_IRQ,
  67         },
  68         [2] = {
  69                 .start  = UART2_MINT_TX,
  70                 .end    = UART2_MINT_TX,
  71                 .flags  = IORESOURCE_IRQ,
  72         },
  73         [3] = {
  74                 .start  = UART2_MINT_RTS,
  75                 .end    = UART2_MINT_RTS,
  76                 .flags  = IORESOURCE_IRQ,
  77         },
  78 };
  79
  80 struct platform_device imx_uart2_device = {
  81         .name           = "imx-uart",
  82         .id             = 1,
  83         .num_resources  = ARRAY_SIZE(imx_uart2_resources),
  84         .resource       = imx_uart2_resources,
  85 };
  86
  87 /* GPIO port description */
  88 static struct mxc_gpio_port imx_gpio_ports[] = {
  89         [0] = {
  90                 .chip.label = "gpio-0",
  91                 .base = (void __iomem *)IO_ADDRESS(GPIO_BASE_ADDR),
  92                 .irq = GPIO_INT_PORTA,
  93                 .virtual_irq_start = MXC_MAX_INT_LINES
  94         },
  95         [1] = {
  96                 .chip.label = "gpio-1",
  97                 .base = (void __iomem *)IO_ADDRESS(GPIO_BASE_ADDR + 0x100),
  98                 .irq = GPIO_INT_PORTB,
  99                 .virtual_irq_start = MXC_MAX_INT_LINES + 32
 100         },
 101         [2] = {
 102                 .chip.label = "gpio-2",
 103                 .base = (void __iomem *)IO_ADDRESS(GPIO_BASE_ADDR + 0x200),
 104                 .irq = GPIO_INT_PORTC,
 105                 .virtual_irq_start = MXC_MAX_INT_LINES + 64
 106         },
 107         [3] = {
 108                 .chip.label = "gpio-3",
 109                 .base = (void __iomem *)IO_ADDRESS(GPIO_BASE_ADDR + 0x300),
 110                 .irq = GPIO_INT_PORTD,
 111                 .virtual_irq_start = MXC_MAX_INT_LINES + 96
 112         }
 113 };
 114
 115 int __init mxc_register_gpios(void)
 116 {
 117         return mxc_gpio_init(imx_gpio_ports, ARRAY_SIZE(imx_gpio_ports));
 118 }