1 files changed, 259 insertions, 0 deletions

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 00000000000..823cddbabeb
--- /dev/null
+++ b/arch/arm/mach-tegra/board-cardhu-powermon.c
@@ -0,0 +1,259 @@
+/*
+ * 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.h"
+#include "board-cardhu.h"
+
+enum {
+        VDD_AC_BAT,
+        VDD_DRAM_IN,
+        VDD_BACKLIGHT_IN,
+        VDD_CPU_IN,
+        VDD_CORE_IN,
+        VDD_DISPLAY_IN,
+        VDD_3V3_TEGRA,
+        VDD_OTHER_PMU_IN,
+        VDD_1V8_TEGRA,
+        VDD_1V8_OTHER,
+        UNUSED_RAIL,
+};
+
+static struct ina219_platform_data power_mon_info[] = {
+        [VDD_AC_BAT] = {
+                .calibration_data  = 0xa000,
+                .power_lsb = 2,
+                .rail_name = "VDD_AC_BAT",
+                .divisor = 20,
+        },
+
+        [VDD_DRAM_IN] = {
+                .calibration_data  = 0xa000,
+                .power_lsb = 2,
+                .rail_name = "VDD_DRAM_IN",
+                .divisor = 20,
+        },
+
+        [VDD_BACKLIGHT_IN] = {
+                .calibration_data  = 0x6aaa,
+                .power_lsb = 1,
+                .rail_name = "VDD_BACKLIGHT_IN",
+                .divisor = 20,
+        },
+
+        [VDD_CPU_IN] = {
+                .calibration_data  = 0xa000,
+                .power_lsb = 1,
+                .rail_name = "VDD_CPU_IN",
+                .divisor = 20,
+        },
+
+        [VDD_CORE_IN] = {
+                .calibration_data  = 0x6aaa,
+                .power_lsb = 1,
+                .rail_name = "VDD_CORE_IN",
+                .divisor = 20,
+        },
+
+        [VDD_DISPLAY_IN] = {
+                .calibration_data  = 0x4000,
+                .power_lsb = 1,
+                .rail_name = "VDD_DISPLAY_IN",
+                .divisor = 20,
+        },
+
+        [VDD_3V3_TEGRA] = {
+                .calibration_data  = 0x6aaa,
+                .power_lsb = 1,
+                .rail_name = "VDD_3V3_TEGRA",
+                .divisor = 20,
+        },
+
+        [VDD_OTHER_PMU_IN] = {
+                .calibration_data  = 0xa000,
+                .power_lsb = 1,
+                .rail_name = "VDD_OTHER_PMU_IN",
+                .divisor = 20,
+        },
+
+        [VDD_1V8_TEGRA] = {
+                .calibration_data  = 0x4000,
+                .power_lsb = 1,
+                .rail_name = "VDD_1V8_TEGRA",
+                .divisor = 20,
+        },
+
+        [VDD_1V8_OTHER] = {
+                .calibration_data  = 0xa000,
+                .power_lsb = 1,
+                .rail_name = "VDD_1V8_OTHER",
+                .divisor = 20,
+        },
+
+        /* All unused INA219 devices use below data*/
+        [UNUSED_RAIL] = {
+                .calibration_data  = 0x4000,
+                .power_lsb = 1,
+                .rail_name = "unused_rail",
+                .divisor = 20,
+        },
+};
+
+enum {
+        INA_I2C_ADDR_40,
+        INA_I2C_ADDR_41,
+        INA_I2C_ADDR_42,
+        INA_I2C_ADDR_43,
+        INA_I2C_ADDR_44,
+        INA_I2C_ADDR_45,
+        INA_I2C_ADDR_46,
+        INA_I2C_ADDR_47,
+        INA_I2C_ADDR_48,
+        INA_I2C_ADDR_49,
+        INA_I2C_ADDR_4A,
+        INA_I2C_ADDR_4B,
+        INA_I2C_ADDR_4C,
+        INA_I2C_ADDR_4D,
+        INA_I2C_ADDR_4E,
+        INA_I2C_ADDR_4F,
+};
+
+static struct i2c_board_info cardhu_i2c0_ina219_board_info[] = {
+        [INA_I2C_ADDR_40] = {
+                I2C_BOARD_INFO("ina219", 0x40),
+                .platform_data = &power_mon_info[VDD_AC_BAT],
+                .irq = -1,
+        },
+
+        [INA_I2C_ADDR_41] = {
+                I2C_BOARD_INFO("ina219", 0x41),
+                .platform_data = &power_mon_info[VDD_DRAM_IN],
+                .irq = -1,
+        },
+
+        [INA_I2C_ADDR_42] = {
+                I2C_BOARD_INFO("ina219", 0x42),
+                .platform_data = &power_mon_info[VDD_BACKLIGHT_IN],
+                .irq = -1,
+        },
+
+        [INA_I2C_ADDR_43] = {
+                I2C_BOARD_INFO("ina219", 0x43),
+                .platform_data = &power_mon_info[VDD_CPU_IN],
+                .irq = -1,
+        },
+
+        [INA_I2C_ADDR_44] = {
+                I2C_BOARD_INFO("ina219", 0x44),
+                .platform_data = &power_mon_info[VDD_CORE_IN],
+                .irq = -1,
+        },
+
+        [INA_I2C_ADDR_45] = {
+                I2C_BOARD_INFO("ina219", 0x45),
+                .platform_data = &power_mon_info[VDD_DISPLAY_IN],
+                .irq = -1,
+        },
+
+        [INA_I2C_ADDR_46] = {
+                I2C_BOARD_INFO("ina219", 0x46),
+                .platform_data = &power_mon_info[VDD_3V3_TEGRA],
+                .irq = -1,
+        },
+
+        [INA_I2C_ADDR_47] = {
+                I2C_BOARD_INFO("ina219", 0x47),
+                .platform_data = &power_mon_info[VDD_OTHER_PMU_IN],
+                .irq = -1,
+        },
+
+        [INA_I2C_ADDR_48] = {
+                I2C_BOARD_INFO("ina219", 0x48),
+                .platform_data = &power_mon_info[VDD_1V8_TEGRA],
+                .irq = -1,
+        },
+
+        [INA_I2C_ADDR_49] = {
+                I2C_BOARD_INFO("ina219", 0x49),
+                .platform_data = &power_mon_info[VDD_1V8_OTHER],
+                .irq = -1,
+        },
+
+        [INA_I2C_ADDR_4A] = {
+                I2C_BOARD_INFO("ina219", 0x4A),
+                .platform_data = &power_mon_info[UNUSED_RAIL],
+                .irq = -1,
+        },
+
+        [INA_I2C_ADDR_4B] = {
+                I2C_BOARD_INFO("ina219", 0x4B),
+                .platform_data = &power_mon_info[UNUSED_RAIL],
+                .irq = -1,
+        },
+
+        [INA_I2C_ADDR_4C] = {
+                I2C_BOARD_INFO("ina219", 0x4C),
+                .platform_data = &power_mon_info[UNUSED_RAIL],
+                .irq = -1,
+        },
+
+        [INA_I2C_ADDR_4D] = {
+                I2C_BOARD_INFO("ina219", 0x4D),
+                .platform_data = &power_mon_info[UNUSED_RAIL],
+                .irq = -1,
+        },
+
+        [INA_I2C_ADDR_4E] = {
+                I2C_BOARD_INFO("ina219", 0x4E),
+                .platform_data = &power_mon_info[UNUSED_RAIL],
+                .irq = -1,
+        },
+
+        [INA_I2C_ADDR_4F] = {
+                I2C_BOARD_INFO("ina219", 0x4F),
+                .platform_data = &power_mon_info[UNUSED_RAIL],
+                .irq = -1,
+        },
+};
+
+int __init cardhu_pmon_init(void)
+{
+        struct board_info bi;
+
+        tegra_get_board_info(&bi);
+
+        /* for fab A04 VDD_CORE_IN changed from ina with addr 0x44 to 0x4A */
+        if (bi.fab == BOARD_FAB_A04) {
+                cardhu_i2c0_ina219_board_info[INA_I2C_ADDR_44].platform_data =
+                        &power_mon_info[UNUSED_RAIL];
+                cardhu_i2c0_ina219_board_info[INA_I2C_ADDR_4A].platform_data =
+                        &power_mon_info[VDD_CORE_IN];
+        }
+
+        if (bi.board_id != BOARD_PM269) {
+                i2c_register_board_info(0, cardhu_i2c0_ina219_board_info,
+                        ARRAY_SIZE(cardhu_i2c0_ina219_board_info));
+        }
+
+        return 0;
+}
+