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1 | /* |
2 | * Copyright 2012 Freescale Semiconductor, Inc. | |
3 | * Copyright 2012 Linaro Ltd. | |
4 | * | |
5 | * The code contained herein is licensed under the GNU General Public | |
6 | * License. You may obtain a copy of the GNU General Public License | |
7 | * Version 2 or later at the following locations: | |
8 | * | |
9 | * http://www.opensource.org/licenses/gpl-license.html | |
10 | * http://www.gnu.org/copyleft/gpl.html | |
11 | */ | |
12 | ||
13 | #include <linux/clk.h> | |
14 | #include <linux/clkdev.h> | |
15 | #include <linux/err.h> | |
16 | #include <linux/init.h> | |
17 | #include <linux/init.h> | |
18 | #include <linux/irqdomain.h> | |
19 | #include <linux/of_irq.h> | |
20 | #include <linux/of_platform.h> | |
21 | #include <asm/mach/arch.h> | |
22 | #include <asm/mach/time.h> | |
23 | #include <mach/common.h> | |
24 | ||
25 | static int __init mxs_icoll_add_irq_domain(struct device_node *np, | |
26 | struct device_node *interrupt_parent) | |
27 | { | |
28 | irq_domain_add_legacy(np, 128, 0, 0, &irq_domain_simple_ops, NULL); | |
29 | ||
30 | return 0; | |
31 | } | |
32 | ||
33 | static const struct of_device_id mxs_irq_match[] __initconst = { | |
34 | { .compatible = "fsl,mxs-icoll", .data = mxs_icoll_add_irq_domain, }, | |
35 | { /* sentinel */ } | |
36 | }; | |
37 | ||
38 | static void __init mxs_dt_init_irq(void) | |
39 | { | |
40 | icoll_init_irq(); | |
41 | of_irq_init(mxs_irq_match); | |
42 | } | |
43 | ||
44 | static void __init imx28_timer_init(void) | |
45 | { | |
46 | mx28_clocks_init(); | |
47 | } | |
48 | ||
49 | static struct sys_timer imx28_timer = { | |
50 | .init = imx28_timer_init, | |
51 | }; | |
52 | ||
53 | static void __init imx28_evk_init(void) | |
54 | { | |
55 | struct clk *clk; | |
56 | ||
57 | /* Enable fec phy clock */ | |
58 | clk = clk_get_sys("enet_out", NULL); | |
59 | if (!IS_ERR(clk)) | |
60 | clk_prepare_enable(clk); | |
61 | } | |
62 | ||
63 | static void __init mxs_machine_init(void) | |
64 | { | |
65 | if (of_machine_is_compatible("fsl,imx28-evk")) | |
66 | imx28_evk_init(); | |
67 | ||
68 | of_platform_populate(NULL, of_default_bus_match_table, | |
69 | NULL, NULL); | |
70 | } | |
71 | ||
72 | static const char *imx28_dt_compat[] __initdata = { | |
73 | "fsl,imx28-evk", | |
74 | "fsl,imx28", | |
75 | NULL, | |
76 | }; | |
77 | ||
78 | DT_MACHINE_START(IMX28, "Freescale i.MX28 (Device Tree)") | |
79 | .map_io = mx28_map_io, | |
80 | .init_irq = mxs_dt_init_irq, | |
81 | .timer = &imx28_timer, | |
82 | .init_machine = mxs_machine_init, | |
83 | .dt_compat = imx28_dt_compat, | |
84 | .restart = mxs_restart, | |
85 | MACHINE_END |