From 392e8802486cb573b916e746010e141a75f507e6 Mon Sep 17 00:00:00 2001
From: Kevin
Date: Sat, 15 Nov 2014 09:58:27 +0800
Subject: init android origin source code

---
 .../arch/arm/mach-tegra/board-harmony-pcie.c       | 68 ++++++++++++++++++++++
 1 file changed, 68 insertions(+)
 create mode 100644 ANDROID_3.4.5/arch/arm/mach-tegra/board-harmony-pcie.c

(limited to 'ANDROID_3.4.5/arch/arm/mach-tegra/board-harmony-pcie.c')

diff --git a/ANDROID_3.4.5/arch/arm/mach-tegra/board-harmony-pcie.c b/ANDROID_3.4.5/arch/arm/mach-tegra/board-harmony-pcie.c
new file mode 100644
index 00000000..33c4feda
--- /dev/null
+++ b/ANDROID_3.4.5/arch/arm/mach-tegra/board-harmony-pcie.c
@@ -0,0 +1,68 @@
+/*
+ * 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 "board.h"
+#include "board-harmony.h"
+
+#ifdef CONFIG_TEGRA_PCI
+
+static int __init harmony_pcie_init(void)
+{
+	struct regulator *regulator = NULL;
+	int err;
+
+	if (!machine_is_harmony())
+		return 0;
+
+	err = gpio_request(TEGRA_GPIO_EN_VDD_1V05_GPIO, "EN_VDD_1V05");
+	if (err)
+		return err;
+
+	gpio_direction_output(TEGRA_GPIO_EN_VDD_1V05_GPIO, 1);
+
+	regulator = regulator_get(NULL, "pex_clk");
+	if (IS_ERR_OR_NULL(regulator))
+		goto err_reg;
+
+	regulator_enable(regulator);
+
+	err = tegra_pcie_init(true, true);
+	if (err)
+		goto err_pcie;
+
+	return 0;
+
+err_pcie:
+	regulator_disable(regulator);
+	regulator_put(regulator);
+err_reg:
+	gpio_free(TEGRA_GPIO_EN_VDD_1V05_GPIO);
+
+	return err;
+}
+
+/* PCI should be initialized after I2C, mfd and regulators */
+subsys_initcall_sync(harmony_pcie_init);
+
+#endif
-- 
cgit