Added BMI088 Gyro/Accel sensor and Yellow driver

.gitmodules

@@ -47,3 +47,6 @@
 [submodule "linux_kernel_modules/bme680/BME680_driver"]
 	path = linux_kernel_modules/bme680/BME680_driver
 	url = https://github.com/BoschSensortec/BME680_driver.git
+[submodule "linux_kernel_modules/bmi088/BMI08x-Sensor-API"]
+	path = linux_kernel_modules/bmi088/BMI08x-Sensor-API
+	url = https://github.com/BoschSensortec/BMI08x-Sensor-API.git

linux_kernel_modules/bmi088/4-bmi088-i2c.mdef

+cflags:
+{
+    -DBMI08X_ENABLE_BMI088=1
+    -DBMI08X_ENABLE_BMI085=0
+    -DCONFIG_IIO
+    -DDEBUG
+    -DSIERRA
+    -I$MANGOH_ROOT/linux_kernel_modules/bmi088/BMI08x-Sensor-API
+}
+
+sources:
+{
+    ./BMI08x-Sensor-API/bmi085.c
+    ./BMI08x-Sensor-API/bmi088.c
+    ./BMI08x-Sensor-API/bmi08a.c
+    ./BMI08x-Sensor-API/bmi08g.c
+    bmi088-regmap.c
+    bmi088-i2c.c
+}
+

linux_kernel_modules/bmi088/bmi088-regmap.c

+#include <linux/device.h>
+#include <linux/module.h>
+#include <linux/regmap.h>
+
+#include "bmi08x_defs.h"
+
+static bool bmi088a_is_writeable_reg(struct device *dev, unsigned int reg)
+{
+        if ((reg >= BMI08X_ACCEL_FEATURE_CFG_REG) &&
+            (reg <= BMI08X_ACCEL_FEATURE_CFG_REG + BMI08X_ACCEL_ANYMOTION_LEN * 2))
+                return true;
+
+	switch (reg) {
+        case BMI08X_ACCEL_SOFTRESET_REG:
+        case BMI08X_ACCEL_PWR_CTRL_REG:
+        case BMI08X_ACCEL_PWR_CONF_REG:
+        case BMI08X_ACCEL_SELF_TEST_REG:
+        case BMI08X_ACCEL_INT1_INT2_MAP_DATA_REG:
+        case BMI08X_ACCEL_INT1_IO_CONF_REG:
+        case BMI08X_ACCEL_INT2_IO_CONF_REG:
+        case BMI08X_ACCEL_RANGE_REG:
+        case BMI08X_ACCEL_CONF_REG:
+                return true;
+
+	default:
+                dev_err(dev, "%s(): Error register(0x%04x) not writable\n", __func__, reg);
+		return false;
+	};
+}
+
+static bool bmi088a_is_volatile_reg(struct device *dev, unsigned int reg)
+{
+        switch (reg) {
+        case BMI08X_ACCEL_PWR_CTRL_REG:
+        case BMI08X_ACCEL_PWR_CONF_REG:
+        case BMI08X_ACCEL_SELF_TEST_REG:
+        case BMI08X_ACCEL_INT1_INT2_MAP_DATA_REG:
+        case BMI08X_ACCEL_INT1_IO_CONF_REG:
+        case BMI08X_ACCEL_INT2_IO_CONF_REG:
+        case BMI08X_ACCEL_RANGE_REG:
+        case BMI08X_ACCEL_CONF_REG:
+        case BMI08X_TEMP_MSB_REG:
+        case BMI08X_TEMP_LSB_REG:
+        case BMI08X_ACCEL_SENSORTIME_2_REG:
+        case BMI08X_ACCEL_SENSORTIME_1_REG:
+        case BMI08X_ACCEL_SENSORTIME_0_REG:
+        case BMI08X_ACCEL_Z_MSB_REG:
+        case BMI08X_ACCEL_Z_LSB_REG:
+        case BMI08X_ACCEL_Y_MSB_REG:
+        case BMI08X_ACCEL_Y_LSB_REG:
+        case BMI08X_ACCEL_X_MSB_REG:
+        case BMI08X_ACCEL_X_LSB_REG:
+        case BMI08X_ACCEL_STATUS_REG:
+        case BMI08X_ACCEL_ERR_REG:
+        case BMI08X_ACCEL_CHIP_ID_REG:
+                return true;
+
+        default:
+                break;
+        }
+
+	return false;
+}
+
+const struct regmap_config bmi088a_regmap_config = {
+	.reg_bits = 8,
+	.val_bits = 8,
+
+	.max_register = BMI08X_ACCEL_SOFTRESET_REG,
+	.cache_type = REGCACHE_NONE,
+
+	.writeable_reg = bmi088a_is_writeable_reg,
+	.volatile_reg = bmi088a_is_volatile_reg,
+};
+EXPORT_SYMBOL(bmi088a_regmap_config);
+
+static bool bmi088g_is_writeable_reg(struct device *dev, unsigned int reg)
+{
+	switch (reg) {
+        case BMI08X_GYRO_SOFTRESET_REG:
+        case BMI08X_GYRO_SELF_TEST_REG:
+        case BMI08X_GYRO_INT3_INT4_IO_MAP_REG:
+        case BMI08X_GYRO_INT3_INT4_IO_CONF_REG:
+        case BMI08X_GYRO_INT_CTRL_REG:
+        case BMI08X_GYRO_LPM1_REG:
+        case BMI08X_GYRO_BANDWIDTH_REG:
+        case BMI08X_GYRO_RANGE_REG:
+                return true;
+
+	default:
+                dev_err(dev, "%s(): Error register(0x%04x) not writable\n", __func__, reg);
+		return false;
+	};
+}
+
+static bool bmi088g_is_volatile_reg(struct device *dev, unsigned int reg)
+{
+        switch (reg) {
+        case BMI08X_GYRO_SELF_TEST_REG:
+        case BMI08X_GYRO_INT3_INT4_IO_MAP_REG:
+        case BMI08X_GYRO_INT3_INT4_IO_CONF_REG:
+        case BMI08X_GYRO_INT_CTRL_REG:
+        case BMI08X_GYRO_LPM1_REG:
+        case BMI08X_GYRO_BANDWIDTH_REG:
+        case BMI08X_GYRO_RANGE_REG:
+        case BMI08X_GYRO_INT_STAT_1_REG:
+        case BMI08X_GYRO_Z_MSB_REG:
+        case BMI08X_GYRO_Z_LSB_REG:
+        case BMI08X_GYRO_Y_MSB_REG:
+        case BMI08X_GYRO_Y_LSB_REG:
+        case BMI08X_GYRO_X_MSB_REG:
+        case BMI08X_GYRO_X_LSB_REG:
+        case BMI08X_GYRO_CHIP_ID_REG:
+                return true;
+
+        default:
+                break;
+        }
+
+	return false;
+}
+
+const struct regmap_config bmi088g_regmap_config = {
+	.reg_bits = 8,
+	.val_bits = 8,
+
+	.max_register = BMI08X_GYRO_SELF_TEST_REG,
+	.cache_type = REGCACHE_NONE,
+
+	.writeable_reg = bmi088g_is_writeable_reg,
+	.volatile_reg = bmi088g_is_volatile_reg,
+};
+EXPORT_SYMBOL(bmi088g_regmap_config);

linux_kernel_modules/bmi088/scripts/bmi088.sh

+#!/bin/sh
+# Copyright (C) Sierra Wireless Inc. Use of this work is subject to license.
+#
+
+cd /etc/bme680/
+insmod 3-bme680-i2c.ko
+insmod 4-bmi088-i2c.ko
+insmod 9-mangoh_yellow_dv1.ko
+
+echo 1 > /sys/devices/78b8000.i2c/i2c-4/4-0018/iio:device1/in_accel_x_en
+echo "ACCEL-X enable"
+cat /sys/devices/78b8000.i2c/i2c-4/4-0018/iio:device1/in_accel_x_en
+
+echo 1 > /sys/devices/78b8000.i2c/i2c-4/4-0018/iio:device1/in_accel_y_en
+echo "ACCEL-Y enable"
+cat /sys/devices/78b8000.i2c/i2c-4/4-0018/iio:device1/in_accel_y_en
+
+echo 1 > /sys/devices/78b8000.i2c/i2c-4/4-0018/iio:device1/in_accel_z_en
+echo "ACCEL-Z enable"
+cat /sys/devices/78b8000.i2c/i2c-4/4-0018/iio:device1/in_accel_z_en
+
+echo 0 > /sys/devices/78b8000.i2c/i2c-4/4-0018/iio:device1/in_accel_nomotion_sel
+echo "ACCEL no motion selected"
+cat /sys/devices/78b8000.i2c/i2c-4/4-0018/iio:device1/in_accel_nomotion_sel
+
+echo 100 > /sys/devices/78b8000.i2c/i2c-4/4-0018/iio:device1/in_accel_duration
+echo "ACCEL duration"
+cat /sys/devices/78b8000.i2c/i2c-4/4-0018/iio:device1/in_accel_duration
+
+echo 100 > /sys/devices/78b8000.i2c/i2c-4/4-0018/iio:device1/in_accel_threshold
+echo "ACCEL threshold"
+cat /sys/devices/78b8000.i2c/i2c-4/4-0018/iio:device1/in_accel_threshold
+
+echo 1 > /sys/devices/78b8000.i2c/i2c-4/4-0068/iio\:device2/scan_elements/in_anglvel_x_en
+echo 1 > /sys/devices/78b8000.i2c/i2c-4/4-0068/iio\:device2/scan_elements/in_anglvel_y_en
+echo 1 > /sys/devices/78b8000.i2c/i2c-4/4-0068/iio\:device2/scan_elements/in_anglvel_z_en
+echo 1 > /sys/devices/78b8000.i2c/i2c-4/4-0068/iio\:device2/scan_elements/in_timestamp_en
+echo 5 > /sys/devices/78b8000.i2c/i2c-4/4-0068/iio\:device2/buffer/length
+echo 1 > /sys/devices/78b8000.i2c/i2c-4/4-0068/iio\:device2/buffer/enable
+
+echo 1 > /sys/devices/78b8000.i2c/i2c-4/4-0018/iio\:device1/scan_elements/in_accel_x_en
+echo 1 > /sys/devices/78b8000.i2c/i2c-4/4-0018/iio\:device1/scan_elements/in_accel_y_en
+echo 1 > /sys/devices/78b8000.i2c/i2c-4/4-0018/iio\:device1/scan_elements/in_accel_z_en
+echo 1 > /sys/devices/78b8000.i2c/i2c-4/4-0018/iio\:device1/scan_elements/in_timestamp_en
+echo 5 > /sys/devices/78b8000.i2c/i2c-4/4-0018/iio\:device1/buffer/length
+echo 1 > /sys/devices/78b8000.i2c/i2c-4/4-0018/iio\:device1/buffer/enable
+
+echo "TEMP"
+cat /sys/devices/78b8000.i2c/i2c-4/4-0018/iio:device1/in_temp_input
+echo "ACCEL-X"
+cat /sys/devices/78b8000.i2c/i2c-4/4-0018/iio:device1/in_accel_x_input
+echo "ACCEL-Y"
+cat /sys/devices/78b8000.i2c/i2c-4/4-0018/iio:device1/in_accel_y_input
+echo "ACCEL-Z"
+cat /sys/devices/78b8000.i2c/i2c-4/4-0018/iio:device1/in_accel_z_input
+
+echo "ANG VELOCITY-X"
+cat /sys/devices/78b8000.i2c/i2c-4/4-0068/iio\:device2/in_anglvel_x_input
+echo "ANG VELOCITY-Y"
+cat /sys/devices/78b8000.i2c/i2c-4/4-0068/iio\:device2/in_anglvel_y_input
+echo "ANG VELOCITY-Z"
+cat /sys/devices/78b8000.i2c/i2c-4/4-0068/iio\:device2/in_anglvel_z_input
+
+cat /dev/iio\:device1

linux_kernel_modules/mangoh/9-mangoh_yellow_dv1.mdef

+cflags:
+{
+
+}
+
+sources:
+{
+    mangoh_yellow.c
+}
+
+params:
+{
+    revision = "dv1"
+}

linux_kernel_modules/mangoh/mangoh_yellow.c

+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/platform_device.h>
+#include <linux/i2c.h>
+#include <linux/delay.h>
+#include <linux/gpio/driver.h>
+
+#include "mangoh_common.h"
+
+/*
+ *-----------------------------------------------------------------------------
+ * Constants
+ *-----------------------------------------------------------------------------
+ */
+#define MANGOH_YELLOW_I2C_SW_BUS_BASE		(PRIMARY_I2C_BUS + 1)
+#define MANGOH_YELLOW_I2C_BUS_IOT0	        (MANGOH_YELLOW_I2C_SW_BUS_BASE + 0)
+#define MANGOH_YELLOW_I2C_BUS_BATTERY_CHARGER	(MANGOH_YELLOW_I2C_SW_BUS_BASE + 1)
+#define MANGOH_YELLOW_I2C_BUS_USB_HUB		(MANGOH_YELLOW_I2C_SW_BUS_BASE + 1)
+#define MANGOH_YELLOW_I2C_BUS_GPIO_EXPANDER	(MANGOH_YELLOW_I2C_SW_BUS_BASE + 2)
+#define MANGOH_YELLOW_I2C_BUS_EXP		(MANGOH_YELLOW_I2C_SW_BUS_BASE + 3)
+
+/*
+ *-----------------------------------------------------------------------------
+ * Types
+ *-----------------------------------------------------------------------------
+ */
+enum mangoh_yellow_board_rev {
+	MANGOH_YELLOW_BOARD_REV_DV1,
+};
+
+/*
+ *-----------------------------------------------------------------------------
+ * Static Function Declarations
+ *-----------------------------------------------------------------------------
+ */
+static void mangoh_yellow_release(struct device* dev);
+static int mangoh_yellow_probe(struct platform_device* pdev);
+static int mangoh_yellow_remove(struct platform_device* pdev);
+
+/*
+ *-----------------------------------------------------------------------------
+ * Variables
+ *-----------------------------------------------------------------------------
+ */
+
+static char *revision = "dv1";
+module_param(revision, charp, S_IRUGO);
+MODULE_PARM_DESC(revision, "mangOH Yellow board revision");
+
+static struct platform_driver mangoh_yellow_driver = {
+	.probe = mangoh_yellow_probe,
+	.remove = mangoh_yellow_remove,
+	.driver  = {
+		.name = "mangoh yellow",
+		.owner = THIS_MODULE,
+		.bus = &platform_bus_type,
+	},
+};
+
+static struct mangoh_yellow_platform_data {
+	enum mangoh_yellow_board_rev board_rev;
+} mangoh_yellow_pdata;
+
+static struct mangoh_yellow_driver_data {
+        struct i2c_client* bme680;
+        struct i2c_client* bmi088a;
+        struct i2c_client* bmi088g;
+} mangoh_yellow_driver_data = {
+};
+
+static struct platform_device mangoh_yellow_device = {
+	.name = "mangoh yellow",
+	.id = -1,
+	.dev = {
+		.release = mangoh_yellow_release,
+		.platform_data = &mangoh_yellow_pdata,
+	},
+};
+
+static struct i2c_board_info mangoh_yellow_bme680_devinfo = {
+	I2C_BOARD_INFO("bme680", 0x76),
+};
+
+static struct i2c_board_info mangoh_yellow_bmi088a_devinfo = {
+	I2C_BOARD_INFO("bmi088a", 0x18),
+};
+
+static struct i2c_board_info mangoh_yellow_bmi088g_devinfo = {
+	I2C_BOARD_INFO("bmi088g", 0x68),
+};
+
+static void mangoh_yellow_release(struct device* dev)
+{
+	/* Nothing alloc'd, so nothign to free */
+}
+
+static int mangoh_yellow_probe(struct platform_device* pdev)
+{
+	int ret = 0;
+	struct i2c_adapter *main_adapter;
+
+	dev_info(&pdev->dev, "%s(): probe\n", __func__);
+
+	main_adapter = i2c_get_adapter(PRIMARY_I2C_BUS);
+	if (!main_adapter) {
+		dev_err(&pdev->dev, "Failed to get primary I2C adapter (%d).\n",
+			PRIMARY_I2C_BUS);
+		ret = -ENODEV;
+		goto done;
+	}
+
+	/*
+	 * This is a workaround of questionable validity for USB issues first
+	 * seen on the mangOH Green.
+	 */
+	msleep(5000);
+
+	platform_set_drvdata(pdev, &mangoh_yellow_driver_data);
+
+        /* Map the I2C BME680 humidity/gas/temp/pressure sensor */
+	dev_dbg(&pdev->dev, "mapping bme680 gas/temperature/pressure sensor\n");    
+	mangoh_yellow_driver_data.bme680 =
+		i2c_new_device(main_adapter, &mangoh_yellow_bme680_devinfo);
+        i2c_put_adapter(main_adapter);
+	if (!mangoh_yellow_driver_data.bme680) {
+		dev_err(&pdev->dev, "Gas/Humidity/Temp sensor is missing\n");
+		ret = -ENODEV;
+                goto cleanup;
+	}      
+
+        /* Map the I2C BMI088 gyro/accel sensor */
+	dev_dbg(&pdev->dev, "mapping bmi088 gyro/accel sensor\n"); 
+        mangoh_yellow_driver_data.bmi088a =
+		i2c_new_device(main_adapter, &mangoh_yellow_bmi088a_devinfo);
+        i2c_put_adapter(main_adapter);
+	if (!mangoh_yellow_driver_data.bmi088a) {
+		dev_err(&pdev->dev, "bmi088 accel sensor is missing\n");
+		ret = -ENODEV;
+                goto cleanup;
+	}   
+
+        mangoh_yellow_driver_data.bmi088g =
+		i2c_new_device(main_adapter, &mangoh_yellow_bmi088g_devinfo);
+        i2c_put_adapter(main_adapter);
+	if (!mangoh_yellow_driver_data.bmi088g) {
+		dev_err(&pdev->dev, "bmi088 gyro sensor is missing\n");
+		ret = -ENODEV;
+                goto cleanup;
+	}
+
+cleanup:
+	i2c_put_adapter(main_adapter);
+	if (ret != 0)
+		mangoh_yellow_remove(pdev);
+done:
+	return ret;
+}
+
+static void try_unregister_i2c_device(struct i2c_client *client)
+{
+	if (client != NULL) {
+		i2c_unregister_device(client);
+		i2c_put_adapter(client->adapter);
+	}
+}
+
+static int mangoh_yellow_remove(struct platform_device* pdev)
+{
+	struct mangoh_yellow_driver_data *dd = platform_get_drvdata(pdev);
+
+	dev_info(&pdev->dev, "Removing mangoh red platform device\n");
+
+        try_unregister_i2c_device(dd->bmi088a);
+        try_unregister_i2c_device(dd->bmi088g);
+        try_unregister_i2c_device(dd->bme680);
+
+	return 0;
+}
+
+static int __init mangoh_yellow_init(void)
+{
+	platform_driver_register(&mangoh_yellow_driver);
+	printk(KERN_DEBUG "mangoh: registered platform driver\n");
+
+	mangoh_yellow_pdata.board_rev = MANGOH_YELLOW_BOARD_REV_DV1;
+
+	if (platform_device_register(&mangoh_yellow_device)) {
+		platform_driver_unregister(&mangoh_yellow_driver);
+		return -ENODEV;
+	}
+
+	return 0;
+}
+
+static void __exit mangoh_yellow_exit(void)
+{
+	platform_device_unregister(&mangoh_yellow_device);
+	platform_driver_unregister(&mangoh_yellow_driver);
+}
+
+module_init(mangoh_yellow_init);
+module_exit(mangoh_yellow_exit);
+
+MODULE_ALIAS(PLATFORM_MODULE_PREFIX "mangoh yellow");
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Sierra Wireless");
+MODULE_DESCRIPTION("Add devices on mangOH Yellow hardware board");
+MODULE_VERSION("1.0");