v4.19.13 snapshot.
diff --git a/drivers/hwmon/adt7310.c b/drivers/hwmon/adt7310.c
new file mode 100644
index 0000000..ec02f4f
--- /dev/null
+++ b/drivers/hwmon/adt7310.c
@@ -0,0 +1,117 @@
+/*
+ * ADT7310/ADT7310 digital temperature sensor driver
+ *
+ * Copyright 2012-2013 Analog Devices Inc.
+ * Author: Lars-Peter Clausen <lars@metafoo.de>
+ *
+ * Licensed under the GPL-2 or later.
+ */
+
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/spi/spi.h>
+#include <asm/unaligned.h>
+
+#include "adt7x10.h"
+
+#define ADT7310_STATUS 0
+#define ADT7310_CONFIG 1
+#define ADT7310_TEMPERATURE 2
+#define ADT7310_ID 3
+#define ADT7310_T_CRIT 4
+#define ADT7310_T_HYST 5
+#define ADT7310_T_ALARM_HIGH 6
+#define ADT7310_T_ALARM_LOW 7
+
+static const u8 adt7310_reg_table[] = {
+ [ADT7X10_TEMPERATURE] = ADT7310_TEMPERATURE,
+ [ADT7X10_STATUS] = ADT7310_STATUS,
+ [ADT7X10_CONFIG] = ADT7310_CONFIG,
+ [ADT7X10_T_ALARM_HIGH] = ADT7310_T_ALARM_HIGH,
+ [ADT7X10_T_ALARM_LOW] = ADT7310_T_ALARM_LOW,
+ [ADT7X10_T_CRIT] = ADT7310_T_CRIT,
+ [ADT7X10_T_HYST] = ADT7310_T_HYST,
+ [ADT7X10_ID] = ADT7310_ID,
+};
+
+#define ADT7310_CMD_REG_OFFSET 3
+#define ADT7310_CMD_READ 0x40
+
+#define AD7310_COMMAND(reg) (adt7310_reg_table[(reg)] << ADT7310_CMD_REG_OFFSET)
+
+static int adt7310_spi_read_word(struct device *dev, u8 reg)
+{
+ struct spi_device *spi = to_spi_device(dev);
+
+ return spi_w8r16be(spi, AD7310_COMMAND(reg) | ADT7310_CMD_READ);
+}
+
+static int adt7310_spi_write_word(struct device *dev, u8 reg, u16 data)
+{
+ struct spi_device *spi = to_spi_device(dev);
+ u8 buf[3];
+
+ buf[0] = AD7310_COMMAND(reg);
+ put_unaligned_be16(data, &buf[1]);
+
+ return spi_write(spi, buf, sizeof(buf));
+}
+
+static int adt7310_spi_read_byte(struct device *dev, u8 reg)
+{
+ struct spi_device *spi = to_spi_device(dev);
+
+ return spi_w8r8(spi, AD7310_COMMAND(reg) | ADT7310_CMD_READ);
+}
+
+static int adt7310_spi_write_byte(struct device *dev, u8 reg,
+ u8 data)
+{
+ struct spi_device *spi = to_spi_device(dev);
+ u8 buf[2];
+
+ buf[0] = AD7310_COMMAND(reg);
+ buf[1] = data;
+
+ return spi_write(spi, buf, sizeof(buf));
+}
+
+static const struct adt7x10_ops adt7310_spi_ops = {
+ .read_word = adt7310_spi_read_word,
+ .write_word = adt7310_spi_write_word,
+ .read_byte = adt7310_spi_read_byte,
+ .write_byte = adt7310_spi_write_byte,
+};
+
+static int adt7310_spi_probe(struct spi_device *spi)
+{
+ return adt7x10_probe(&spi->dev, spi_get_device_id(spi)->name, spi->irq,
+ &adt7310_spi_ops);
+}
+
+static int adt7310_spi_remove(struct spi_device *spi)
+{
+ return adt7x10_remove(&spi->dev, spi->irq);
+}
+
+static const struct spi_device_id adt7310_id[] = {
+ { "adt7310", 0 },
+ { "adt7320", 0 },
+ {}
+};
+MODULE_DEVICE_TABLE(spi, adt7310_id);
+
+static struct spi_driver adt7310_driver = {
+ .driver = {
+ .name = "adt7310",
+ .pm = ADT7X10_DEV_PM_OPS,
+ },
+ .probe = adt7310_spi_probe,
+ .remove = adt7310_spi_remove,
+ .id_table = adt7310_id,
+};
+module_spi_driver(adt7310_driver);
+
+MODULE_AUTHOR("Lars-Peter Clausen <lars@metafoo.de>");
+MODULE_DESCRIPTION("ADT7310/ADT7320 driver");
+MODULE_LICENSE("GPL");