forked from Minki/linux
93faee1d50
Add the on-board rtc i2c device to the edb9307a platform init. The EP93xx based EDB9307A dev board has an on-board ISL1208 RTC connected to the I2C bus. Now that the core code supports the I2C bus, this patch will add support for the device. Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
81 lines
2.1 KiB
C
81 lines
2.1 KiB
C
/*
|
|
* arch/arm/mach-ep93xx/edb9307a.c
|
|
* Cirrus Logic EDB9307A support.
|
|
*
|
|
* Copyright (C) 2008 H Hartley Sweeten <hsweeten@visionengravers.com>
|
|
*
|
|
* 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.
|
|
*/
|
|
|
|
#include <linux/kernel.h>
|
|
#include <linux/init.h>
|
|
#include <linux/mm.h>
|
|
#include <linux/sched.h>
|
|
#include <linux/interrupt.h>
|
|
#include <linux/ioport.h>
|
|
#include <linux/mtd/physmap.h>
|
|
#include <linux/platform_device.h>
|
|
#include <linux/io.h>
|
|
#include <linux/i2c.h>
|
|
#include <mach/hardware.h>
|
|
#include <asm/mach-types.h>
|
|
#include <asm/mach/arch.h>
|
|
|
|
static struct physmap_flash_data edb9307a_flash_data = {
|
|
.width = 2,
|
|
};
|
|
|
|
static struct resource edb9307a_flash_resource = {
|
|
.start = EP93XX_CS6_PHYS_BASE,
|
|
.end = EP93XX_CS6_PHYS_BASE + SZ_16M - 1,
|
|
.flags = IORESOURCE_MEM,
|
|
};
|
|
|
|
static struct platform_device edb9307a_flash = {
|
|
.name = "physmap-flash",
|
|
.id = 0,
|
|
.dev = {
|
|
.platform_data = &edb9307a_flash_data,
|
|
},
|
|
.num_resources = 1,
|
|
.resource = &edb9307a_flash_resource,
|
|
};
|
|
|
|
static struct ep93xx_eth_data edb9307a_eth_data = {
|
|
.phy_id = 1,
|
|
};
|
|
|
|
static struct i2c_board_info __initdata edb9307a_i2c_data[] = {
|
|
{
|
|
/* On-board battery backed RTC */
|
|
I2C_BOARD_INFO("isl1208", 0x6f),
|
|
},
|
|
/*
|
|
* The I2C signals are also routed to the Expansion Connector (J4)
|
|
*/
|
|
};
|
|
|
|
static void __init edb9307a_init_machine(void)
|
|
{
|
|
ep93xx_init_devices();
|
|
platform_device_register(&edb9307a_flash);
|
|
|
|
ep93xx_register_eth(&edb9307a_eth_data, 1);
|
|
|
|
ep93xx_init_i2c(edb9307a_i2c_data, ARRAY_SIZE(edb9307a_i2c_data));
|
|
}
|
|
|
|
MACHINE_START(EDB9307A, "Cirrus Logic EDB9307A Evaluation Board")
|
|
/* Maintainer: H Hartley Sweeten <hsweeten@visionengravers.com> */
|
|
.phys_io = EP93XX_APB_PHYS_BASE,
|
|
.io_pg_offst = ((EP93XX_APB_VIRT_BASE) >> 18) & 0xfffc,
|
|
.boot_params = EP93XX_SDCE0_PHYS_BASE + 0x100,
|
|
.map_io = ep93xx_map_io,
|
|
.init_irq = ep93xx_init_irq,
|
|
.timer = &ep93xx_timer,
|
|
.init_machine = edb9307a_init_machine,
|
|
MACHINE_END
|