aboutsummaryrefslogtreecommitdiffstats
path: root/arch/arm/mach-tegra/board-harmony-pcie.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm/mach-tegra/board-harmony-pcie.c')
-rw-r--r--arch/arm/mach-tegra/board-harmony-pcie.c57
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
30static 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
47err_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
55subsys_initcall(harmony_pcie_init);
56
57#endif