diff options
| author | Haojian Zhuang <haojian.zhuang@marvell.com> | 2012-03-01 09:25:09 +0400 |
|---|---|---|
| committer | Haojian Zhuang <haojian.zhuang@gmail.com> | 2012-03-07 05:32:24 +0400 |
| commit | 5d48976678456f3782eeafb09efae1f52159d5e6 (patch) | |
| tree | 3bbbcf20f315a6eaa0cb8ac4e9397c16e1e58e1d /arch/arm/mach-mmp/mmp-dt.c | |
| parent | 9613b2100994da3cd2a23d886596980357ff6123 (diff) | |
| download | linux-5d48976678456f3782eeafb09efae1f52159d5e6.tar.xz | |
ARM: mmp: append OF support on pxa168
Enable PXA168 and aspenite support.
Signed-off-by: Haojian Zhuang <haojian.zhuang@marvell.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'arch/arm/mach-mmp/mmp-dt.c')
| -rw-r--r-- | arch/arm/mach-mmp/mmp-dt.c | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/arch/arm/mach-mmp/mmp-dt.c b/arch/arm/mach-mmp/mmp-dt.c new file mode 100644 index 000000000000..67075395e400 --- /dev/null +++ b/arch/arm/mach-mmp/mmp-dt.c @@ -0,0 +1,75 @@ +/* + * linux/arch/arm/mach-mmp/mmp-dt.c + * + * Copyright (C) 2012 Marvell Technology Group Ltd. + * Author: Haojian Zhuang <haojian.zhuang@marvell.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * publishhed by the Free Software Foundation. + */ + +#include <linux/irq.h> +#include <linux/irqdomain.h> +#include <linux/of_irq.h> +#include <linux/of_platform.h> +#include <asm/mach/arch.h> +#include <mach/irqs.h> + +#include "common.h" + +extern struct sys_timer pxa168_timer; +extern void __init icu_init_irq(void); + +static const struct of_dev_auxdata mmp_auxdata_lookup[] __initconst = { + OF_DEV_AUXDATA("mrvl,mmp-uart", 0xd4017000, "pxa2xx-uart.0", NULL), + OF_DEV_AUXDATA("mrvl,mmp-uart", 0xd4018000, "pxa2xx-uart.1", NULL), + OF_DEV_AUXDATA("mrvl,mmp-uart", 0xd4026000, "pxa2xx-uart.2", NULL), + OF_DEV_AUXDATA("mrvl,mmp-twsi", 0xd4011000, "pxa2xx-i2c.0", NULL), + OF_DEV_AUXDATA("mrvl,mmp-twsi", 0xd4025000, "pxa2xx-i2c.1", NULL), + OF_DEV_AUXDATA("mrvl,mmp-gpio", 0xd4019000, "pxa-gpio", NULL), + OF_DEV_AUXDATA("mrvl,mmp-rtc", 0xd4010000, "sa1100-rtc", NULL), + {} +}; + +static int __init mmp_intc_add_irq_domain(struct device_node *np, + struct device_node *parent) +{ + irq_domain_add_simple(np, 0); + return 0; +} + +static int __init mmp_gpio_add_irq_domain(struct device_node *np, + struct device_node *parent) +{ + irq_domain_add_simple(np, IRQ_GPIO_START); + return 0; +} + +static const struct of_device_id mmp_irq_match[] __initconst = { + { .compatible = "mrvl,mmp-intc", .data = mmp_intc_add_irq_domain, }, + { .compatible = "mrvl,mmp-gpio", .data = mmp_gpio_add_irq_domain, }, + {} +}; + +static void __init mmp_dt_init(void) +{ + + of_irq_init(mmp_irq_match); + + of_platform_populate(NULL, of_default_bus_match_table, + mmp_auxdata_lookup, NULL); +} + +static const char *pxa168_dt_board_compat[] __initdata = { + "mrvl,pxa168-aspenite", + NULL, +}; + +DT_MACHINE_START(PXA168_DT, "Marvell PXA168 (Device Tree Support)") + .map_io = mmp_map_io, + .init_irq = icu_init_irq, + .timer = &pxa168_timer, + .init_machine = mmp_dt_init, + .dt_compat = pxa168_dt_board_compat, +MACHINE_END |