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6a08e1e6 TL |
1 | /* |
2 | * Legacy platform_data quirks | |
3 | * | |
4 | * Copyright (C) 2013 Texas Instruments | |
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/clk.h> | |
11 | #include <linux/init.h> | |
12 | #include <linux/kernel.h> | |
13 | ||
14 | #include "common.h" | |
15 | #include "common-board-devices.h" | |
16 | #include "dss-common.h" | |
17 | ||
18 | struct pdata_init { | |
19 | const char *compatible; | |
20 | void (*fn)(void); | |
21 | }; | |
22 | ||
3e7a3185 TL |
23 | /* |
24 | * Create alias for USB host PHY clock. | |
25 | * Remove this when clock phandle can be provided via DT | |
26 | */ | |
27 | static void __init __used legacy_init_ehci_clk(char *clkname) | |
28 | { | |
29 | int ret; | |
30 | ||
31 | ret = clk_add_alias("main_clk", NULL, clkname, NULL); | |
32 | if (ret) | |
33 | pr_err("%s:Failed to add main_clk alias to %s :%d\n", | |
34 | __func__, clkname, ret); | |
35 | } | |
36 | ||
37 | #ifdef CONFIG_ARCH_OMAP4 | |
38 | static void __init omap4_sdp_legacy_init(void) | |
39 | { | |
40 | omap_4430sdp_display_init_of(); | |
41 | } | |
42 | ||
43 | static void __init omap4_panda_legacy_init(void) | |
44 | { | |
45 | omap4_panda_display_init_of(); | |
46 | legacy_init_ehci_clk("auxclk3_ck"); | |
47 | } | |
48 | #endif | |
49 | ||
50 | #ifdef CONFIG_SOC_OMAP5 | |
51 | static void __init omap5_uevm_legacy_init(void) | |
52 | { | |
53 | legacy_init_ehci_clk("auxclk1_ck"); | |
54 | } | |
55 | #endif | |
56 | ||
6a08e1e6 | 57 | static struct pdata_init pdata_quirks[] __initdata = { |
3e7a3185 TL |
58 | #ifdef CONFIG_ARCH_OMAP4 |
59 | { "ti,omap4-sdp", omap4_sdp_legacy_init, }, | |
60 | { "ti,omap4-panda", omap4_panda_legacy_init, }, | |
61 | #endif | |
62 | #ifdef CONFIG_SOC_OMAP5 | |
63 | { "ti,omap5-uevm", omap5_uevm_legacy_init, }, | |
64 | #endif | |
6a08e1e6 TL |
65 | { /* sentinel */ }, |
66 | }; | |
67 | ||
68 | void __init pdata_quirks_init(void) | |
69 | { | |
70 | struct pdata_init *quirks = pdata_quirks; | |
71 | ||
72 | while (quirks->compatible) { | |
73 | if (of_machine_is_compatible(quirks->compatible)) { | |
74 | if (quirks->fn) | |
75 | quirks->fn(); | |
76 | break; | |
77 | } | |
78 | quirks++; | |
79 | } | |
80 | } |