i.MX2 family: Add basic device support
This patch adds a few on-chip devices for i.MX21/i.MX27 procesors. Signed-off-by: Juergen Beisert <j.beisert@pengutronix.de>
This commit is contained in:
Juergen Beisert
Robert Schwebel
parent
32dc80c9cb
commit
fc80a5e3d0
2 changed files with 232 additions and 1 deletions
|
|
@ -4,4 +4,4 @@
|
|||
|
||||
# Object file lists.
|
||||
|
||||
obj-y := system.o generic.o
|
||||
obj-y := system.o generic.o devices.o
|
||||
|
|
|
|||
231
arch/arm/mach-mx2/devices.c
Normal file
231
arch/arm/mach-mx2/devices.c
Normal file
|
|
@ -0,0 +1,231 @@
|
|||
/*
|
||||
* Author: MontaVista Software, Inc.
|
||||
* <source@mvista.com>
|
||||
*
|
||||
* Based on the OMAP devices.c
|
||||
*
|
||||
* 2005 (c) MontaVista Software, Inc. This file is licensed under the
|
||||
* terms of the GNU General Public License version 2. This program is
|
||||
* licensed "as is" without any warranty of any kind, whether express
|
||||
* or implied.
|
||||
*
|
||||
* Copyright 2006-2007 Freescale Semiconductor, Inc. All Rights Reserved.
|
||||
* Copyright 2008 Juergen Beisert, 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/kernel.h>
|
||||
#include <linux/init.h>
|
||||
#include <linux/platform_device.h>
|
||||
#include <linux/gpio.h>
|
||||
|
||||
#include <asm/hardware.h>
|
||||
|
||||
/*
|
||||
* Resource definition for the MXC IrDA
|
||||
*/
|
||||
static struct resource mxc_irda_resources[] = {
|
||||
[0] = {
|
||||
.start = UART3_BASE_ADDR,
|
||||
.end = UART3_BASE_ADDR + SZ_4K - 1,
|
||||
.flags = IORESOURCE_MEM,
|
||||
},
|
||||
[1] = {
|
||||
.start = MXC_INT_UART3,
|
||||
.end = MXC_INT_UART3,
|
||||
.flags = IORESOURCE_IRQ,
|
||||
},
|
||||
};
|
||||
|
||||
/* Platform Data for MXC IrDA */
|
||||
struct platform_device mxc_irda_device = {
|
||||
.name = "mxc_irda",
|
||||
.id = 0,
|
||||
.num_resources = ARRAY_SIZE(mxc_irda_resources),
|
||||
.resource = mxc_irda_resources,
|
||||
};
|
||||
|
||||
/*
|
||||
* General Purpose Timer
|
||||
* - i.MX1: 2 timer (slighly different register handling)
|
||||
* - i.MX21: 3 timer
|
||||
* - i.MX27: 6 timer
|
||||
*/
|
||||
|
||||
/* We use gpt0 as system timer, so do not add a device for this one */
|
||||
|
||||
static struct resource timer1_resources[] = {
|
||||
[0] = {
|
||||
.start = GPT2_BASE_ADDR,
|
||||
.end = GPT2_BASE_ADDR + 0x17,
|
||||
.flags = IORESOURCE_MEM
|
||||
},
|
||||
[1] = {
|
||||
.start = MXC_INT_GPT2,
|
||||
.end = MXC_INT_GPT2,
|
||||
.flags = IORESOURCE_IRQ,
|
||||
}
|
||||
};
|
||||
|
||||
struct platform_device mxc_gpt1 = {
|
||||
.name = "imx_gpt",
|
||||
.id = 1,
|
||||
.num_resources = ARRAY_SIZE(timer1_resources),
|
||||
.resource = timer1_resources
|
||||
};
|
||||
|
||||
static struct resource timer2_resources[] = {
|
||||
[0] = {
|
||||
.start = GPT3_BASE_ADDR,
|
||||
.end = GPT3_BASE_ADDR + 0x17,
|
||||
.flags = IORESOURCE_MEM
|
||||
},
|
||||
[1] = {
|
||||
.start = MXC_INT_GPT3,
|
||||
.end = MXC_INT_GPT3,
|
||||
.flags = IORESOURCE_IRQ,
|
||||
}
|
||||
};
|
||||
|
||||
struct platform_device mxc_gpt2 = {
|
||||
.name = "imx_gpt",
|
||||
.id = 2,
|
||||
.num_resources = ARRAY_SIZE(timer2_resources),
|
||||
.resource = timer2_resources
|
||||
};
|
||||
|
||||
#ifdef CONFIG_MACH_MX27
|
||||
static struct resource timer3_resources[] = {
|
||||
[0] = {
|
||||
.start = GPT4_BASE_ADDR,
|
||||
.end = GPT4_BASE_ADDR + 0x17,
|
||||
.flags = IORESOURCE_MEM
|
||||
},
|
||||
[1] = {
|
||||
.start = MXC_INT_GPT4,
|
||||
.end = MXC_INT_GPT4,
|
||||
.flags = IORESOURCE_IRQ,
|
||||
}
|
||||
};
|
||||
|
||||
struct platform_device mxc_gpt3 = {
|
||||
.name = "imx_gpt",
|
||||
.id = 3,
|
||||
.num_resources = ARRAY_SIZE(timer3_resources),
|
||||
.resource = timer3_resources
|
||||
};
|
||||
|
||||
static struct resource timer4_resources[] = {
|
||||
[0] = {
|
||||
.start = GPT5_BASE_ADDR,
|
||||
.end = GPT5_BASE_ADDR + 0x17,
|
||||
.flags = IORESOURCE_MEM
|
||||
},
|
||||
[1] = {
|
||||
.start = MXC_INT_GPT5,
|
||||
.end = MXC_INT_GPT5,
|
||||
.flags = IORESOURCE_IRQ,
|
||||
}
|
||||
};
|
||||
|
||||
struct platform_device mxc_gpt4 = {
|
||||
.name = "imx_gpt",
|
||||
.id = 4,
|
||||
.num_resources = ARRAY_SIZE(timer4_resources),
|
||||
.resource = timer4_resources
|
||||
};
|
||||
|
||||
static struct resource timer5_resources[] = {
|
||||
[0] = {
|
||||
.start = GPT6_BASE_ADDR,
|
||||
.end = GPT6_BASE_ADDR + 0x17,
|
||||
.flags = IORESOURCE_MEM
|
||||
},
|
||||
[1] = {
|
||||
.start = MXC_INT_GPT6,
|
||||
.end = MXC_INT_GPT6,
|
||||
.flags = IORESOURCE_IRQ,
|
||||
}
|
||||
};
|
||||
|
||||
struct platform_device mxc_gpt5 = {
|
||||
.name = "imx_gpt",
|
||||
.id = 5,
|
||||
.num_resources = ARRAY_SIZE(timer5_resources),
|
||||
.resource = timer5_resources
|
||||
};
|
||||
#endif
|
||||
|
||||
/*
|
||||
* Watchdog:
|
||||
* - i.MX1
|
||||
* - i.MX21
|
||||
* - i.MX27
|
||||
*/
|
||||
static struct resource mxc_wdt_resources[] = {
|
||||
{
|
||||
.start = WDOG_BASE_ADDR,
|
||||
.end = WDOG_BASE_ADDR + 0x30,
|
||||
.flags = IORESOURCE_MEM,
|
||||
},
|
||||
};
|
||||
|
||||
struct platform_device mxc_wdt = {
|
||||
.name = "mxc_wdt",
|
||||
.id = 0,
|
||||
.num_resources = ARRAY_SIZE(mxc_wdt_resources),
|
||||
.resource = mxc_wdt_resources,
|
||||
};
|
||||
|
||||
/* GPIO port description */
|
||||
static struct mxc_gpio_port imx_gpio_ports[] = {
|
||||
[0] = {
|
||||
.chip.label = "gpio-0",
|
||||
.irq = MXC_INT_GPIO,
|
||||
.base = (void*)(AIPI_BASE_ADDR_VIRT + 0x15000 + 0x100 * 0),
|
||||
.virtual_irq_start = MXC_MAX_INT_LINES,
|
||||
},
|
||||
[1] = {
|
||||
.chip.label = "gpio-1",
|
||||
.base = (void*)(AIPI_BASE_ADDR_VIRT + 0x15000 + 0x100 * 1),
|
||||
.virtual_irq_start = MXC_MAX_INT_LINES + 32,
|
||||
},
|
||||
[2] = {
|
||||
.chip.label = "gpio-2",
|
||||
.base = (void*)(AIPI_BASE_ADDR_VIRT + 0x15000 + 0x100 * 2),
|
||||
.virtual_irq_start = MXC_MAX_INT_LINES + 64,
|
||||
},
|
||||
[3] = {
|
||||
.chip.label = "gpio-3",
|
||||
.base = (void*)(AIPI_BASE_ADDR_VIRT + 0x15000 + 0x100 * 3),
|
||||
.virtual_irq_start = MXC_MAX_INT_LINES + 96,
|
||||
},
|
||||
[4] = {
|
||||
.chip.label = "gpio-4",
|
||||
.base = (void*)(AIPI_BASE_ADDR_VIRT + 0x15000 + 0x100 * 4),
|
||||
.virtual_irq_start = MXC_MAX_INT_LINES + 128,
|
||||
},
|
||||
[5] = {
|
||||
.chip.label = "gpio-5",
|
||||
.base = (void*)(AIPI_BASE_ADDR_VIRT + 0x15000 + 0x100 * 5),
|
||||
.virtual_irq_start = MXC_MAX_INT_LINES + 160,
|
||||
}
|
||||
};
|
||||
|
||||
int __init mxc_register_gpios(void)
|
||||
{
|
||||
return mxc_gpio_init(imx_gpio_ports, ARRAY_SIZE(imx_gpio_ports));
|
||||
}
|
||||
Loading…
Reference in a new issue