ARM: tegra: beaver: activate sdmmc1 voltage rail

In order to get the SD card solt working.

Signed-off-by: Lucas Stach <dev@lynxeye.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

arch/arm/boards/nvidia-beaver/Makefile

@@ -2,3 +2,4 @@ CFLAGS_pbl-entry.o := \
 	-mcpu=arm7tdmi -march=armv4t \
 	-fno-tree-switch-conversion -fno-jump-tables
 lwl-y += entry.o
+obj-y += board.o

arch/arm/boards/nvidia-beaver/board.c

@@ -0,0 +1,38 @@
+/*
+ * Copyright (C) 2014 Lucas Stach <l.stach@pengutronix.de>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope 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.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <common.h>
+#include <init.h>
+#include <i2c/i2c.h>
+
+static int nvidia_beaver_devices_init(void)
+{
+	struct i2c_client client;
+	u8 data;
+
+	if (!of_machine_is_compatible("nvidia,beaver"))
+		return 0;
+
+	client.adapter = i2c_get_adapter(4);
+	client.addr = 0x2d;
+
+	/* TPS659110: LDO5_REG = 3.3v, ACTIVE to SDMMC1 */
+	data = 0x65;
+	i2c_write_reg(&client, 0x32, &data, 1);
+
+	return 0;
+}
+device_initcall(nvidia_beaver_devices_init);

arch/arm/mach-tegra/Kconfig

@@ -63,6 +63,8 @@ config MACH_TOSHIBA_AC100
 config MACH_NVIDIA_BEAVER
 	bool "NVIDIA Beaver"
 	select ARCH_TEGRA_3x_SOC
+	select I2C
+	select I2C_TEGRA
 
 endmenu