xref: /linux/arch/arm/mach-davinci/da8xx-dt.c (revision 0d456bad36d42d16022be045c8a53ddbb59ee478)
1 /*
2  * Copyright (C) 2012 Texas Instruments Incorporated - http://www.ti.com/
3  *
4  * Modified from mach-omap/omap2/board-generic.c
5  *
6  * This program is free software; you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License version 2 as
8  * published by the Free Software Foundation.
9  */
10 #include <linux/io.h>
11 #include <linux/of_irq.h>
12 #include <linux/of_platform.h>
13 #include <linux/irqdomain.h>
14 
15 #include <asm/mach/arch.h>
16 
17 #include <mach/common.h>
18 #include <mach/cp_intc.h>
19 #include <mach/da8xx.h>
20 
21 #define DA8XX_NUM_UARTS	3
22 
23 void __init da8xx_uart_clk_enable(void)
24 {
25 	int i;
26 	for (i = 0; i < DA8XX_NUM_UARTS; i++)
27 		davinci_serial_setup_clk(i, NULL);
28 }
29 
30 static struct of_device_id da8xx_irq_match[] __initdata = {
31 	{ .compatible = "ti,cp-intc", .data = cp_intc_of_init, },
32 	{ }
33 };
34 
35 static void __init da8xx_init_irq(void)
36 {
37 	of_irq_init(da8xx_irq_match);
38 }
39 
40 #ifdef CONFIG_ARCH_DAVINCI_DA850
41 
42 static void __init da850_init_machine(void)
43 {
44 	of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL);
45 
46 	da8xx_uart_clk_enable();
47 }
48 
49 static const char *da850_boards_compat[] __initdata = {
50 	"enbw,cmc",
51 	"ti,da850-evm",
52 	"ti,da850",
53 	NULL,
54 };
55 
56 DT_MACHINE_START(DA850_DT, "Generic DA850/OMAP-L138/AM18x")
57 	.map_io		= da850_init,
58 	.init_irq	= da8xx_init_irq,
59 	.timer		= &davinci_timer,
60 	.init_machine	= da850_init_machine,
61 	.dt_compat	= da850_boards_compat,
62 	.init_late	= davinci_init_late,
63 	.restart	= da8xx_restart,
64 MACHINE_END
65 
66 #endif
67