arm: tegra: cardhu: Board changes for powermon

Board details needed by INA219 power monitor device
to measure current, voltage and power on Cardhu are
being filled.

bug 808311

Change-Id: Idbee6034312f5bd888b1ed87ef98f531c45938a0
Reviewed-on: http://git-master/r/34299
Reviewed-by: Niket Sirsi <nsirsi@nvidia.com>
Tested-by: Niket Sirsi <nsirsi@nvidia.com>

4 files changed, 187 insertions, 0 deletions

diff --git a/arch/arm/mach-tegra/Makefile b/arch/arm/mach-tegra/Makefile
index 89c5dd379cf9..acfddd8d7c59 100644
--- a/arch/arm/mach-tegra/Makefile
+++ b/arch/arm/mach-tegra/Makefile
@@ -134,6 +134,7 @@ obj-${CONFIG_MACH_CARDHU}               += board-cardhu-sdhci.o
 obj-${CONFIG_MACH_CARDHU}               += board-cardhu-sensors.o
 obj-${CONFIG_MACH_CARDHU}               += board-touch.o
 obj-${CONFIG_MACH_CARDHU}               += board-cardhu-memory.o
+obj-${CONFIG_MACH_CARDHU}               += board-cardhu-powermon.o
 
 obj-${CONFIG_MACH_TEGRA_ENTERPRISE}     += board-enterprise.o
 obj-${CONFIG_MACH_TEGRA_ENTERPRISE}     += board-enterprise-panel.o
diff --git a/arch/arm/mach-tegra/board-cardhu-powermon.c b/arch/arm/mach-tegra/board-cardhu-powermon.c
new file mode 100644
index 000000000000..8d3424631cb9
--- /dev/null
+++ b/arch/arm/mach-tegra/board-cardhu-powermon.c
@@ -0,0 +1,184 @@
+/*
+ * arch/arm/mach-tegra/board-cardhu-powermon.c
+ *
+ * Copyright (c) 2011, NVIDIA, All Rights Reserved.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * 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.
+ *
+ * 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 <linux/i2c.h>
+#include <linux/ina219.h>
+#include "board-cardhu.h"
+
+static struct ina219_platform_data power_mon_info[] = {
+	{
+		.calibration_data  = 0xa000,
+		.power_lsb = 2,
+		.rail_name = "ac_bat_rail",
+		.divisor = 20,
+	},
+	{
+		.calibration_data  = 0xa000,
+		.power_lsb = 2,
+		.rail_name = "ddr_rail",
+		.divisor = 20,
+	},
+	{
+		.calibration_data  = 0x6aaa,
+		.power_lsb = 1,
+		.rail_name = "backlight_rail",
+		.divisor = 20,
+	},
+	{
+		.calibration_data  = 0xa000,
+		.power_lsb = 1,
+		.rail_name = "cpu_rail",
+		.divisor = 20,
+	},
+	{
+		.calibration_data  = 0x6aaa,
+		.power_lsb = 1,
+		.rail_name = "core_rail",
+		.divisor = 20,
+	},
+	{
+		.calibration_data  = 0xa000,
+		.power_lsb = 1,
+		.rail_name = "display_rail",
+		.divisor = 20,
+	},
+	{
+		.calibration_data  = 0x6aaa,
+		.power_lsb = 1,
+		.rail_name = "tegra_3v3_rail",
+		.divisor = 20,
+	},
+	{
+		.calibration_data  = 0xa000,
+		.power_lsb = 1,
+		.rail_name = "other_pmu_rail",
+		.divisor = 20,
+	},
+	{
+		.calibration_data  = 0x4000,
+		.power_lsb = 1,
+		.rail_name = "tegra_1v8_rail",
+		.divisor = 20,
+	},
+	{
+		.calibration_data  = 0xa000,
+		.power_lsb = 1,
+		.rail_name = "other_1v8_rail",
+		.divisor = 20,
+	},
+	/* All unused INA219 devices use below data*/
+	{
+		.calibration_data  = 0x4000,
+		.power_lsb = 1,
+		.rail_name = "unused_rail",
+		.divisor = 20,
+	},
+};
+
+static struct i2c_board_info cardhu_i2c0_ina219_board_info[] = {
+	{
+		I2C_BOARD_INFO("ina219", 0x40),
+		.platform_data = &power_mon_info[0],
+		.irq = -1,
+	},
+	{
+		I2C_BOARD_INFO("ina219", 0x41),
+		.platform_data = &power_mon_info[1],
+		.irq = -1,
+	},
+	{
+		I2C_BOARD_INFO("ina219", 0x42),
+		.platform_data = &power_mon_info[2],
+		.irq = -1,
+	},
+	{
+		I2C_BOARD_INFO("ina219", 0x43),
+		.platform_data = &power_mon_info[3],
+		.irq = -1,
+	},
+	{
+		I2C_BOARD_INFO("ina219", 0x44),
+		.platform_data = &power_mon_info[4],
+		.irq = -1,
+	},
+	{
+		I2C_BOARD_INFO("ina219", 0x45),
+		.platform_data = &power_mon_info[5],
+		.irq = -1,
+	},
+	{
+		I2C_BOARD_INFO("ina219", 0x46),
+		.platform_data = &power_mon_info[6],
+		.irq = -1,
+	},
+	{
+		I2C_BOARD_INFO("ina219", 0x47),
+		.platform_data = &power_mon_info[7],
+		.irq = -1,
+	},
+	{
+		I2C_BOARD_INFO("ina219", 0x48),
+		.platform_data = &power_mon_info[8],
+		.irq = -1,
+	},
+	{
+		I2C_BOARD_INFO("ina219", 0x49),
+		.platform_data = &power_mon_info[9],
+		.irq = -1,
+	},
+	{
+		I2C_BOARD_INFO("ina219", 0x4A),
+		.platform_data = &power_mon_info[10],
+		.irq = -1,
+	},
+	{
+		I2C_BOARD_INFO("ina219", 0x4B),
+		.platform_data = &power_mon_info[10],
+		.irq = -1,
+	},
+	{
+		I2C_BOARD_INFO("ina219", 0x4C),
+		.platform_data = &power_mon_info[10],
+		.irq = -1,
+	},
+	{
+		I2C_BOARD_INFO("ina219", 0x4D),
+		.platform_data = &power_mon_info[10],
+		.irq = -1,
+	},
+	{
+		I2C_BOARD_INFO("ina219", 0x4E),
+		.platform_data = &power_mon_info[10],
+		.irq = -1,
+	},
+	{
+		I2C_BOARD_INFO("ina219", 0x4F),
+		.platform_data = &power_mon_info[10],
+		.irq = -1,
+	},
+};
+
+int __init cardhu_pmon_init(void)
+{
+	i2c_register_board_info(0, cardhu_i2c0_ina219_board_info,
+		ARRAY_SIZE(cardhu_i2c0_ina219_board_info));
+	return 0;
+}
+
diff --git a/arch/arm/mach-tegra/board-cardhu.c b/arch/arm/mach-tegra/board-cardhu.c
index d168c1742fe8..f980aa67abf0 100644
--- a/arch/arm/mach-tegra/board-cardhu.c
+++ b/arch/arm/mach-tegra/board-cardhu.c
@@ -718,6 +718,7 @@ static void __init tegra_cardhu_init(void)
 	cardhu_scroll_init();
 	cardhu_keys_init();
 	cardhu_panel_init();
+	cardhu_pmon_init();
 	cardhu_sensors_init();
 	cardhu_bt_rfkill();
 	tegra_setup_bluesleep();
diff --git a/arch/arm/mach-tegra/board-cardhu.h b/arch/arm/mach-tegra/board-cardhu.h
index 7daa02e2de7b..ffb5129fdb60 100644
--- a/arch/arm/mach-tegra/board-cardhu.h
+++ b/arch/arm/mach-tegra/board-cardhu.h
@@ -150,6 +150,7 @@ int cardhu_pins_state_init(void);
 int cardhu_emc_init(void);
 int cardhu_power_off_init(void);
 int cardhu_edp_init(void);
+int cardhu_pmon_init(void);
 
 /* Touchscreen GPIO addresses   */
 #ifdef CONFIG_TOUCHSCREEN_PANJIT_I2C