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authorLinus Torvalds <torvalds@linux-foundation.org>2010-10-25 18:42:06 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2010-10-25 18:42:06 -0700
commitb18cae4224bde7e5a332c19bc99247b2098ea232 (patch)
tree2ffa750e6a043a1dcfccd71588b7d6cfdcad440a /arch/arm/mach-tegra/board-harmony-pcie.c
parent4833c16dea61cb30d6f77dfec3067a08ba79b361 (diff)
parentf41649e040b1f63e809fb2adb78ed2f3c3ebbcd0 (diff)
Merge branch 'for-next' of git://android.git.kernel.org/kernel/tegra
* 'for-next' of git://android.git.kernel.org/kernel/tegra: spi: tegra: fix error setting on timeout spi: add spi_tegra driver tegra: harmony: enable PCI Express tegra: add PCI Express support tegra: add PCI Express clocks [ARM] tegra: Add APB DMA support [ARM] tegra: Add cpufreq support [ARM] tegra: common: Update common clock init table [ARM] tegra: clock: Add dvfs support, bug fixes, and cleanups [ARM] tegra: Add support for reading fuses [ARM] tegra: gpio: Add suspend and wake support [ARM] tegra: pinmux: add safe values, move tegra2, add suspend [ARM] tegra: add suspend and mirror irqs to legacy controller [ARM] tegra: Add legacy irq support [ARM] tegra: update iomap
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 @@
+/*
+ * arch/arm/mach-tegra/board-harmony-pcie.c
+ *
+ * Copyright (C) 2010 CompuLab, Ltd.
+ * Mike Rapoport <mike@compulab.co.il>
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ */
+
+#include <linux/kernel.h>
+#include <linux/gpio.h>
+#include <linux/err.h>
+#include <linux/regulator/consumer.h>
+
+#include <asm/mach-types.h>
+
+#include <mach/pinmux.h>
+#include "board.h"
+
+#ifdef CONFIG_TEGRA_PCI
+
+static int __init harmony_pcie_init(void)
+{
+ int err;
+
+ if (!machine_is_harmony())
+ return 0;
+
+ tegra_pinmux_set_tristate(TEGRA_PINGROUP_GPV, TEGRA_TRI_NORMAL);
+ tegra_pinmux_set_tristate(TEGRA_PINGROUP_SLXA, TEGRA_TRI_NORMAL);
+ tegra_pinmux_set_tristate(TEGRA_PINGROUP_SLXK, TEGRA_TRI_NORMAL);
+
+ err = tegra_pcie_init(true, true);
+ if (err)
+ goto err_pcie;
+
+ return 0;
+
+err_pcie:
+ tegra_pinmux_set_tristate(TEGRA_PINGROUP_GPV, TEGRA_TRI_TRISTATE);
+ tegra_pinmux_set_tristate(TEGRA_PINGROUP_SLXA, TEGRA_TRI_TRISTATE);
+ tegra_pinmux_set_tristate(TEGRA_PINGROUP_SLXK, TEGRA_TRI_TRISTATE);
+
+ return err;
+}
+
+subsys_initcall(harmony_pcie_init);
+
+#endif