3  * ST Thermal Sensor Driver for memory mapped sensors.
19 /* Power control bits for the memory mapped thermal sensor */
25 	 * According to the STIH416 MPE temp sensor data sheet -
28 	 * sensor. regmap_update_bits() will be used to update the register.
39 	struct st_thermal_sensor *sensor = sdata;  in st_mmap_thermal_trip_handler()  local
41 	thermal_zone_device_update(sensor->thermal_dev,  in st_mmap_thermal_trip_handler()
48 static int st_mmap_power_ctrl(struct st_thermal_sensor *sensor,  in st_mmap_power_ctrl()  argument
54 	return regmap_update_bits(sensor->regmap, STIH416_MPE_CONF, mask, val);  in st_mmap_power_ctrl()
57 static int st_mmap_alloc_regfields(struct st_thermal_sensor *sensor)  in st_mmap_alloc_regfields()  argument
59 	struct device *dev = sensor->dev;  in st_mmap_alloc_regfields()
60 	struct regmap *regmap = sensor->regmap;  in st_mmap_alloc_regfields()
61 	const struct reg_field *reg_fields = sensor->cdata->reg_fields;  in st_mmap_alloc_regfields()
63 	sensor->int_thresh_hi = devm_regmap_field_alloc(dev, regmap,  in st_mmap_alloc_regfields()
65 	sensor->int_enable = devm_regmap_field_alloc(dev, regmap,  in st_mmap_alloc_regfields()
68 	if (IS_ERR(sensor->int_thresh_hi) || IS_ERR(sensor->int_enable)) {  in st_mmap_alloc_regfields()
76 static int st_mmap_enable_irq(struct st_thermal_sensor *sensor)  in st_mmap_enable_irq()  argument
81 	ret = regmap_field_write(sensor->int_thresh_hi,  in st_mmap_enable_irq()
82 				 sensor->cdata->crit_temp -  in st_mmap_enable_irq()
83 				 sensor->cdata->temp_adjust_val);  in st_mmap_enable_irq()
87 	return regmap_field_write(sensor->int_enable, 1);  in st_mmap_enable_irq()
90 static int st_mmap_register_enable_irq(struct st_thermal_sensor *sensor)  in st_mmap_register_enable_irq()  argument
92 	struct device *dev = sensor->dev;  in st_mmap_register_enable_irq()
96 	sensor->irq = platform_get_irq(pdev, 0);  in st_mmap_register_enable_irq()
97 	if (sensor->irq < 0)  in st_mmap_register_enable_irq()
98 		return sensor->irq;  in st_mmap_register_enable_irq()
100 	ret = devm_request_threaded_irq(dev, sensor->irq,  in st_mmap_register_enable_irq()
103 					dev->driver->name, sensor);  in st_mmap_register_enable_irq()
105 		dev_err(dev, "failed to register IRQ %d\n", sensor->irq);  in st_mmap_register_enable_irq()
109 	return st_mmap_enable_irq(sensor);  in st_mmap_register_enable_irq()
118 static int st_mmap_regmap_init(struct st_thermal_sensor *sensor)  in st_mmap_regmap_init()  argument
120 	struct device *dev = sensor->dev;  in st_mmap_regmap_init()
123 	sensor->mmio_base = devm_platform_get_and_ioremap_resource(pdev, 0, NULL);  in st_mmap_regmap_init()
124 	if (IS_ERR(sensor->mmio_base))  in st_mmap_regmap_init()
125 		return PTR_ERR(sensor->mmio_base);  in st_mmap_regmap_init()
127 	sensor->regmap = devm_regmap_init_mmio(dev, sensor->mmio_base,  in st_mmap_regmap_init()
129 	if (IS_ERR(sensor->regmap)) {  in st_mmap_regmap_init()
131 		return PTR_ERR(sensor->regmap);  in st_mmap_regmap_init()
145 /* Compatible device data stih407 thermal sensor */
183 MODULE_DESCRIPTION("STMicroelectronics STi SoC Thermal Sensor Driver");