diff options
Diffstat (limited to 'drivers/gpu/nvgpu/gk20a/platform_gk20a_generic.c')
-rw-r--r-- | drivers/gpu/nvgpu/gk20a/platform_gk20a_generic.c | 90 |
1 files changed, 0 insertions, 90 deletions
diff --git a/drivers/gpu/nvgpu/gk20a/platform_gk20a_generic.c b/drivers/gpu/nvgpu/gk20a/platform_gk20a_generic.c deleted file mode 100644 index 33e2fb37..00000000 --- a/drivers/gpu/nvgpu/gk20a/platform_gk20a_generic.c +++ /dev/null | |||
@@ -1,90 +0,0 @@ | |||
1 | /* | ||
2 | * drivers/gpu/nvgpu/gk20a/platform_gk20a_generic.c | ||
3 | * | ||
4 | * GK20A Generic Platform Interface | ||
5 | * | ||
6 | * Copyright (c) 2014-2015, NVIDIA CORPORATION. All rights reserved. | ||
7 | * | ||
8 | * This program is free software; you can redistribute it and/or modify it | ||
9 | * under the terms and conditions of the GNU General Public License, | ||
10 | * version 2, as published by the Free Software Foundation. | ||
11 | * | ||
12 | * This program is distributed in the hope it will be useful, but WITHOUT | ||
13 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | ||
14 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for | ||
15 | * more details. | ||
16 | * | ||
17 | * You should have received a copy of the GNU General Public License | ||
18 | * along with this program. If not, see <http://www.gnu.org/licenses/>. | ||
19 | */ | ||
20 | |||
21 | #include <linux/clk.h> | ||
22 | |||
23 | #include "platform_gk20a.h" | ||
24 | #include "hal_gk20a.h" | ||
25 | #include "gk20a.h" | ||
26 | |||
27 | /* | ||
28 | * gk20a_generic_get_clocks() | ||
29 | * | ||
30 | * This function finds clocks in tegra platform and populates | ||
31 | * the clock information to gk20a platform data. | ||
32 | */ | ||
33 | |||
34 | static int gk20a_generic_get_clocks(struct device *pdev) | ||
35 | { | ||
36 | struct gk20a_platform *platform = dev_get_drvdata(pdev); | ||
37 | |||
38 | platform->clk[0] = clk_get_sys("tegra_gk20a.0", "PLLG_ref"); | ||
39 | platform->clk[1] = clk_get_sys("tegra_gk20a.0", "pwr"); | ||
40 | platform->clk[2] = clk_get_sys("tegra_gk20a.0", "emc"); | ||
41 | platform->num_clks = 3; | ||
42 | |||
43 | if (IS_ERR(platform->clk[0]) || | ||
44 | IS_ERR(platform->clk[1]) || | ||
45 | IS_ERR(platform->clk[2])) | ||
46 | goto err_get_clock; | ||
47 | |||
48 | clk_set_rate(platform->clk[0], UINT_MAX); | ||
49 | clk_set_rate(platform->clk[1], 204000000); | ||
50 | clk_set_rate(platform->clk[2], UINT_MAX); | ||
51 | |||
52 | return 0; | ||
53 | |||
54 | err_get_clock: | ||
55 | if (!IS_ERR_OR_NULL(platform->clk[0])) | ||
56 | clk_put(platform->clk[0]); | ||
57 | if (!IS_ERR_OR_NULL(platform->clk[1])) | ||
58 | clk_put(platform->clk[1]); | ||
59 | if (!IS_ERR_OR_NULL(platform->clk[2])) | ||
60 | clk_put(platform->clk[2]); | ||
61 | |||
62 | platform->clk[0] = NULL; | ||
63 | platform->clk[1] = NULL; | ||
64 | platform->clk[2] = NULL; | ||
65 | return -ENODEV; | ||
66 | } | ||
67 | |||
68 | static int gk20a_generic_probe(struct device *dev) | ||
69 | { | ||
70 | gk20a_generic_get_clocks(dev); | ||
71 | |||
72 | return 0; | ||
73 | } | ||
74 | |||
75 | static int gk20a_generic_late_probe(struct device *dev) | ||
76 | { | ||
77 | return 0; | ||
78 | } | ||
79 | |||
80 | static int gk20a_generic_remove(struct device *dev) | ||
81 | { | ||
82 | return 0; | ||
83 | } | ||
84 | |||
85 | struct gk20a_platform gk20a_generic_platform = { | ||
86 | .probe = gk20a_generic_probe, | ||
87 | .late_probe = gk20a_generic_late_probe, | ||
88 | .remove = gk20a_generic_remove, | ||
89 | .default_big_page_size = SZ_128K, | ||
90 | }; | ||