xref: /linux/arch/arm/mach-davinci/da8xx-dt.c (revision 27e6e0d3dafa5b487dc28b219753443db300f289)
1689e331fSSekhar Nori /*
2689e331fSSekhar Nori  * Copyright (C) 2012 Texas Instruments Incorporated - http://www.ti.com/
3689e331fSSekhar Nori  *
4689e331fSSekhar Nori  * Modified from mach-omap/omap2/board-generic.c
5689e331fSSekhar Nori  *
6689e331fSSekhar Nori  * This program is free software; you can redistribute it and/or modify
7689e331fSSekhar Nori  * it under the terms of the GNU General Public License version 2 as
8689e331fSSekhar Nori  * published by the Free Software Foundation.
9689e331fSSekhar Nori  */
10689e331fSSekhar Nori #include <linux/io.h>
11689e331fSSekhar Nori #include <linux/of_irq.h>
12689e331fSSekhar Nori #include <linux/of_platform.h>
13689e331fSSekhar Nori #include <linux/irqdomain.h>
14689e331fSSekhar Nori 
15689e331fSSekhar Nori #include <asm/mach/arch.h>
16689e331fSSekhar Nori 
17689e331fSSekhar Nori #include <mach/common.h>
18689e331fSSekhar Nori #include <mach/cp_intc.h>
19689e331fSSekhar Nori #include <mach/da8xx.h>
20689e331fSSekhar Nori 
21689e331fSSekhar Nori #define DA8XX_NUM_UARTS	3
22689e331fSSekhar Nori 
23689e331fSSekhar Nori void __init da8xx_uart_clk_enable(void)
24689e331fSSekhar Nori {
25689e331fSSekhar Nori 	int i;
26689e331fSSekhar Nori 	for (i = 0; i < DA8XX_NUM_UARTS; i++)
27689e331fSSekhar Nori 		davinci_serial_setup_clk(i, NULL);
28689e331fSSekhar Nori }
29689e331fSSekhar Nori 
30689e331fSSekhar Nori static struct of_device_id da8xx_irq_match[] __initdata = {
31689e331fSSekhar Nori 	{ .compatible = "ti,cp-intc", .data = cp_intc_of_init, },
32689e331fSSekhar Nori 	{ }
33689e331fSSekhar Nori };
34689e331fSSekhar Nori 
35689e331fSSekhar Nori static void __init da8xx_init_irq(void)
36689e331fSSekhar Nori {
37689e331fSSekhar Nori 	of_irq_init(da8xx_irq_match);
38689e331fSSekhar Nori }
39689e331fSSekhar Nori 
40689e331fSSekhar Nori #ifdef CONFIG_ARCH_DAVINCI_DA850
41689e331fSSekhar Nori 
42689e331fSSekhar Nori static void __init da850_init_machine(void)
43689e331fSSekhar Nori {
44689e331fSSekhar Nori 	of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL);
45689e331fSSekhar Nori 
46689e331fSSekhar Nori 	da8xx_uart_clk_enable();
47689e331fSSekhar Nori }
48689e331fSSekhar Nori 
49689e331fSSekhar Nori static const char *da850_boards_compat[] __initdata = {
50*27e6e0d3SSekhar Nori 	"ti,da850-evm",
51689e331fSSekhar Nori 	"ti,da850",
52689e331fSSekhar Nori 	NULL,
53689e331fSSekhar Nori };
54689e331fSSekhar Nori 
55689e331fSSekhar Nori DT_MACHINE_START(DA850_DT, "Generic DA850/OMAP-L138/AM18x")
56689e331fSSekhar Nori 	.map_io		= da850_init,
57689e331fSSekhar Nori 	.init_irq	= da8xx_init_irq,
58689e331fSSekhar Nori 	.timer		= &davinci_timer,
59689e331fSSekhar Nori 	.init_machine	= da850_init_machine,
60689e331fSSekhar Nori 	.dt_compat	= da850_boards_compat,
61689e331fSSekhar Nori 	.init_late	= davinci_init_late,
62689e331fSSekhar Nori 	.restart	= da8xx_restart,
63689e331fSSekhar Nori MACHINE_END
64689e331fSSekhar Nori 
65689e331fSSekhar Nori #endif
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