76 lines
2.1 KiB
C
76 lines
2.1 KiB
C
/*
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* linux/arch/arm/mach-mmp/mmp-dt.c
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*
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* Copyright (C) 2012 Marvell Technology Group Ltd.
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* Author: Haojian Zhuang <haojian.zhuang@marvell.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 version 2 as
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* publishhed by the Free Software Foundation.
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*/
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#include <linux/irq.h>
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#include <linux/irqdomain.h>
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#include <linux/of_irq.h>
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#include <linux/of_platform.h>
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#include <asm/mach/arch.h>
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#include <mach/irqs.h>
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#include "common.h"
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extern struct sys_timer pxa168_timer;
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extern void __init icu_init_irq(void);
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static const struct of_dev_auxdata mmp_auxdata_lookup[] __initconst = {
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OF_DEV_AUXDATA("mrvl,mmp-uart", 0xd4017000, "pxa2xx-uart.0", NULL),
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OF_DEV_AUXDATA("mrvl,mmp-uart", 0xd4018000, "pxa2xx-uart.1", NULL),
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OF_DEV_AUXDATA("mrvl,mmp-uart", 0xd4026000, "pxa2xx-uart.2", NULL),
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OF_DEV_AUXDATA("mrvl,mmp-twsi", 0xd4011000, "pxa2xx-i2c.0", NULL),
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OF_DEV_AUXDATA("mrvl,mmp-twsi", 0xd4025000, "pxa2xx-i2c.1", NULL),
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OF_DEV_AUXDATA("mrvl,mmp-gpio", 0xd4019000, "pxa-gpio", NULL),
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OF_DEV_AUXDATA("mrvl,mmp-rtc", 0xd4010000, "sa1100-rtc", NULL),
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{}
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};
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static int __init mmp_intc_add_irq_domain(struct device_node *np,
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struct device_node *parent)
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{
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irq_domain_add_simple(np, 0);
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return 0;
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}
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static int __init mmp_gpio_add_irq_domain(struct device_node *np,
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struct device_node *parent)
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{
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irq_domain_add_simple(np, IRQ_GPIO_START);
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return 0;
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}
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static const struct of_device_id mmp_irq_match[] __initconst = {
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{ .compatible = "mrvl,mmp-intc", .data = mmp_intc_add_irq_domain, },
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{ .compatible = "mrvl,mmp-gpio", .data = mmp_gpio_add_irq_domain, },
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{}
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};
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static void __init mmp_dt_init(void)
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{
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of_irq_init(mmp_irq_match);
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of_platform_populate(NULL, of_default_bus_match_table,
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mmp_auxdata_lookup, NULL);
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}
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static const char *pxa168_dt_board_compat[] __initdata = {
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"mrvl,pxa168-aspenite",
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NULL,
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};
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DT_MACHINE_START(PXA168_DT, "Marvell PXA168 (Device Tree Support)")
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.map_io = mmp_map_io,
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.init_irq = icu_init_irq,
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.timer = &pxa168_timer,
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.init_machine = mmp_dt_init,
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.dt_compat = pxa168_dt_board_compat,
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MACHINE_END
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