forked from luck/tmp_suning_uos_patched
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
/*
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* arch/arm/mach-ep93xx/edb9307a.c
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* Cirrus Logic EDB9307A support.
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*
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* Copyright (C) 2008 H Hartley Sweeten <hsweeten@visionengravers.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or (at
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* your option) any later version.
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*/
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#include <linux/kernel.h>
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#include <linux/init.h>
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#include <linux/mm.h>
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#include <linux/sched.h>
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#include <linux/interrupt.h>
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#include <linux/ioport.h>
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#include <linux/mtd/physmap.h>
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#include <linux/platform_device.h>
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#include <linux/io.h>
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#include <linux/i2c.h>
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#include <mach/hardware.h>
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#include <asm/mach-types.h>
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#include <asm/mach/arch.h>
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static struct physmap_flash_data edb9307a_flash_data = {
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.width = 2,
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};
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static struct resource edb9307a_flash_resource = {
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.start = EP93XX_CS6_PHYS_BASE,
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.end = EP93XX_CS6_PHYS_BASE + SZ_16M - 1,
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.flags = IORESOURCE_MEM,
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};
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static struct platform_device edb9307a_flash = {
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.name = "physmap-flash",
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.id = 0,
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.dev = {
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.platform_data = &edb9307a_flash_data,
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},
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.num_resources = 1,
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.resource = &edb9307a_flash_resource,
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};
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static struct ep93xx_eth_data edb9307a_eth_data = {
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.phy_id = 1,
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};
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static struct i2c_board_info __initdata edb9307a_i2c_data[] = {
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{
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/* On-board battery backed RTC */
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I2C_BOARD_INFO("isl1208", 0x6f),
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},
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/*
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* The I2C signals are also routed to the Expansion Connector (J4)
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*/
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};
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static void __init edb9307a_init_machine(void)
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{
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ep93xx_init_devices();
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platform_device_register(&edb9307a_flash);
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ep93xx_register_eth(&edb9307a_eth_data, 1);
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ep93xx_init_i2c(edb9307a_i2c_data, ARRAY_SIZE(edb9307a_i2c_data));
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}
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MACHINE_START(EDB9307A, "Cirrus Logic EDB9307A Evaluation Board")
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/* Maintainer: H Hartley Sweeten <hsweeten@visionengravers.com> */
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.phys_io = EP93XX_APB_PHYS_BASE,
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.io_pg_offst = ((EP93XX_APB_VIRT_BASE) >> 18) & 0xfffc,
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.boot_params = EP93XX_SDCE0_PHYS_BASE + 0x100,
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.map_io = ep93xx_map_io,
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.init_irq = ep93xx_init_irq,
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.timer = &ep93xx_timer,
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.init_machine = edb9307a_init_machine,
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MACHINE_END
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