linux/arch/arm/mach-mx5/devices.c
Dinh Nguyen 71c2e514d5 mx5: Add i2c to Freescale MX51 Babbage HW
This patch adds I2C functionality to the Freescale MX51 Babbage HW.
The patch adds device structures, i2c board slave device defines,
IOMUX pin defines, and clocks.

Signed-off-by: Dinh Nguyen <Dinh.Nguyen@freescale.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
2010-07-26 14:17:58 +02:00

260 lines
5.6 KiB
C

/*
* Copyright 2009 Amit Kucheria <amit.kucheria@canonical.com>
* Copyright (C) 2010 Freescale Semiconductor, Inc.
*
* The code contained herein is licensed under the GNU General Public
* License. You may obtain a copy of the GNU General Public License
* Version 2 or later at the following locations:
*
* http://www.opensource.org/licenses/gpl-license.html
* http://www.gnu.org/copyleft/gpl.html
*/
#include <linux/platform_device.h>
#include <linux/dma-mapping.h>
#include <linux/gpio.h>
#include <mach/hardware.h>
#include <mach/imx-uart.h>
#include <mach/irqs.h>
static struct resource uart0[] = {
{
.start = MX51_UART1_BASE_ADDR,
.end = MX51_UART1_BASE_ADDR + 0xfff,
.flags = IORESOURCE_MEM,
}, {
.start = MX51_MXC_INT_UART1,
.end = MX51_MXC_INT_UART1,
.flags = IORESOURCE_IRQ,
},
};
struct platform_device mxc_uart_device0 = {
.name = "imx-uart",
.id = 0,
.resource = uart0,
.num_resources = ARRAY_SIZE(uart0),
};
static struct resource uart1[] = {
{
.start = MX51_UART2_BASE_ADDR,
.end = MX51_UART2_BASE_ADDR + 0xfff,
.flags = IORESOURCE_MEM,
}, {
.start = MX51_MXC_INT_UART2,
.end = MX51_MXC_INT_UART2,
.flags = IORESOURCE_IRQ,
},
};
struct platform_device mxc_uart_device1 = {
.name = "imx-uart",
.id = 1,
.resource = uart1,
.num_resources = ARRAY_SIZE(uart1),
};
static struct resource uart2[] = {
{
.start = MX51_UART3_BASE_ADDR,
.end = MX51_UART3_BASE_ADDR + 0xfff,
.flags = IORESOURCE_MEM,
}, {
.start = MX51_MXC_INT_UART3,
.end = MX51_MXC_INT_UART3,
.flags = IORESOURCE_IRQ,
},
};
struct platform_device mxc_uart_device2 = {
.name = "imx-uart",
.id = 2,
.resource = uart2,
.num_resources = ARRAY_SIZE(uart2),
};
static struct resource mxc_fec_resources[] = {
{
.start = MX51_MXC_FEC_BASE_ADDR,
.end = MX51_MXC_FEC_BASE_ADDR + 0xfff,
.flags = IORESOURCE_MEM,
}, {
.start = MX51_MXC_INT_FEC,
.end = MX51_MXC_INT_FEC,
.flags = IORESOURCE_IRQ,
},
};
struct platform_device mxc_fec_device = {
.name = "fec",
.id = 0,
.num_resources = ARRAY_SIZE(mxc_fec_resources),
.resource = mxc_fec_resources,
};
static struct resource mxc_i2c0_resources[] = {
{
.start = MX51_I2C1_BASE_ADDR,
.end = MX51_I2C1_BASE_ADDR + SZ_4K - 1,
.flags = IORESOURCE_MEM,
}, {
.start = MX51_MXC_INT_I2C1,
.end = MX51_MXC_INT_I2C1,
.flags = IORESOURCE_IRQ,
},
};
struct platform_device mxc_i2c_device0 = {
.name = "imx-i2c",
.id = 0,
.num_resources = ARRAY_SIZE(mxc_i2c0_resources),
.resource = mxc_i2c0_resources,
};
static struct resource mxc_i2c1_resources[] = {
{
.start = MX51_I2C2_BASE_ADDR,
.end = MX51_I2C2_BASE_ADDR + SZ_4K - 1,
.flags = IORESOURCE_MEM,
}, {
.start = MX51_MXC_INT_I2C2,
.end = MX51_MXC_INT_I2C2,
.flags = IORESOURCE_IRQ,
},
};
struct platform_device mxc_i2c_device1 = {
.name = "imx-i2c",
.id = 1,
.num_resources = ARRAY_SIZE(mxc_i2c1_resources),
.resource = mxc_i2c1_resources,
};
static struct resource mxc_hsi2c_resources[] = {
{
.start = MX51_HSI2C_DMA_BASE_ADDR,
.end = MX51_HSI2C_DMA_BASE_ADDR + SZ_16K - 1,
.flags = IORESOURCE_MEM,
},
{
.start = MX51_MXC_INT_HS_I2C,
.end = MX51_MXC_INT_HS_I2C,
.flags = IORESOURCE_IRQ,
},
};
struct platform_device mxc_hsi2c_device = {
.name = "imx-i2c",
.id = 2,
.num_resources = ARRAY_SIZE(mxc_hsi2c_resources),
.resource = mxc_hsi2c_resources
};
static u64 usb_dma_mask = DMA_BIT_MASK(32);
static struct resource usbotg_resources[] = {
{
.start = MX51_OTG_BASE_ADDR,
.end = MX51_OTG_BASE_ADDR + 0x1ff,
.flags = IORESOURCE_MEM,
},
{
.start = MX51_MXC_INT_USB_OTG,
.flags = IORESOURCE_IRQ,
},
};
/* OTG gadget device */
struct platform_device mxc_usbdr_udc_device = {
.name = "fsl-usb2-udc",
.id = -1,
.num_resources = ARRAY_SIZE(usbotg_resources),
.resource = usbotg_resources,
.dev = {
.dma_mask = &usb_dma_mask,
.coherent_dma_mask = DMA_BIT_MASK(32),
},
};
struct platform_device mxc_usbdr_host_device = {
.name = "mxc-ehci",
.id = 0,
.num_resources = ARRAY_SIZE(usbotg_resources),
.resource = usbotg_resources,
.dev = {
.dma_mask = &usb_dma_mask,
.coherent_dma_mask = DMA_BIT_MASK(32),
},
};
static struct resource usbh1_resources[] = {
{
.start = MX51_OTG_BASE_ADDR + 0x200,
.end = MX51_OTG_BASE_ADDR + 0x200 + 0x1ff,
.flags = IORESOURCE_MEM,
},
{
.start = MX51_MXC_INT_USB_H1,
.flags = IORESOURCE_IRQ,
},
};
struct platform_device mxc_usbh1_device = {
.name = "mxc-ehci",
.id = 1,
.num_resources = ARRAY_SIZE(usbh1_resources),
.resource = usbh1_resources,
.dev = {
.dma_mask = &usb_dma_mask,
.coherent_dma_mask = DMA_BIT_MASK(32),
},
};
static struct resource mxc_wdt_resources[] = {
{
.start = MX51_WDOG_BASE_ADDR,
.end = MX51_WDOG_BASE_ADDR + SZ_16K - 1,
.flags = IORESOURCE_MEM,
},
};
struct platform_device mxc_wdt = {
.name = "imx2-wdt",
.id = 0,
.num_resources = ARRAY_SIZE(mxc_wdt_resources),
.resource = mxc_wdt_resources,
};
static struct mxc_gpio_port mxc_gpio_ports[] = {
{
.chip.label = "gpio-0",
.base = MX51_IO_ADDRESS(MX51_GPIO1_BASE_ADDR),
.irq = MX51_MXC_INT_GPIO1_LOW,
.virtual_irq_start = MXC_GPIO_IRQ_START
},
{
.chip.label = "gpio-1",
.base = MX51_IO_ADDRESS(MX51_GPIO2_BASE_ADDR),
.irq = MX51_MXC_INT_GPIO2_LOW,
.virtual_irq_start = MXC_GPIO_IRQ_START + 32 * 1
},
{
.chip.label = "gpio-2",
.base = MX51_IO_ADDRESS(MX51_GPIO3_BASE_ADDR),
.irq = MX51_MXC_INT_GPIO3_LOW,
.virtual_irq_start = MXC_GPIO_IRQ_START + 32 * 2
},
{
.chip.label = "gpio-3",
.base = MX51_IO_ADDRESS(MX51_GPIO4_BASE_ADDR),
.irq = MX51_MXC_INT_GPIO4_LOW,
.virtual_irq_start = MXC_GPIO_IRQ_START + 32 * 3
},
};
int __init mxc_register_gpios(void)
{
return mxc_gpio_init(mxc_gpio_ports, ARRAY_SIZE(mxc_gpio_ports));
}