diff options
Diffstat (limited to 'arch/arm/mach-tegra/board-harmony-pcie.c')
-rw-r--r-- | arch/arm/mach-tegra/board-harmony-pcie.c | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/arch/arm/mach-tegra/board-harmony-pcie.c b/arch/arm/mach-tegra/board-harmony-pcie.c new file mode 100644 index 000000000000..f7e7d4514b6a --- /dev/null +++ b/arch/arm/mach-tegra/board-harmony-pcie.c | |||
@@ -0,0 +1,57 @@ | |||
1 | /* | ||
2 | * arch/arm/mach-tegra/board-harmony-pcie.c | ||
3 | * | ||
4 | * Copyright (C) 2010 CompuLab, Ltd. | ||
5 | * Mike Rapoport <mike@compulab.co.il> | ||
6 | * | ||
7 | * This software is licensed under the terms of the GNU General Public | ||
8 | * License version 2, as published by the Free Software Foundation, and | ||
9 | * may be copied, distributed, and modified under those terms. | ||
10 | * | ||
11 | * This program is distributed in the hope that it will be useful, | ||
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
14 | * GNU General Public License for more details. | ||
15 | * | ||
16 | */ | ||
17 | |||
18 | #include <linux/kernel.h> | ||
19 | #include <linux/gpio.h> | ||
20 | #include <linux/err.h> | ||
21 | #include <linux/regulator/consumer.h> | ||
22 | |||
23 | #include <asm/mach-types.h> | ||
24 | |||
25 | #include <mach/pinmux.h> | ||
26 | #include "board.h" | ||
27 | |||
28 | #ifdef CONFIG_TEGRA_PCI | ||
29 | |||
30 | static int __init harmony_pcie_init(void) | ||
31 | { | ||
32 | int err; | ||
33 | |||
34 | if (!machine_is_harmony()) | ||
35 | return 0; | ||
36 | |||
37 | tegra_pinmux_set_tristate(TEGRA_PINGROUP_GPV, TEGRA_TRI_NORMAL); | ||
38 | tegra_pinmux_set_tristate(TEGRA_PINGROUP_SLXA, TEGRA_TRI_NORMAL); | ||
39 | tegra_pinmux_set_tristate(TEGRA_PINGROUP_SLXK, TEGRA_TRI_NORMAL); | ||
40 | |||
41 | err = tegra_pcie_init(true, true); | ||
42 | if (err) | ||
43 | goto err_pcie; | ||
44 | |||
45 | return 0; | ||
46 | |||
47 | err_pcie: | ||
48 | tegra_pinmux_set_tristate(TEGRA_PINGROUP_GPV, TEGRA_TRI_TRISTATE); | ||
49 | tegra_pinmux_set_tristate(TEGRA_PINGROUP_SLXA, TEGRA_TRI_TRISTATE); | ||
50 | tegra_pinmux_set_tristate(TEGRA_PINGROUP_SLXK, TEGRA_TRI_TRISTATE); | ||
51 | |||
52 | return err; | ||
53 | } | ||
54 | |||
55 | subsys_initcall(harmony_pcie_init); | ||
56 | |||
57 | #endif | ||