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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
commit2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch)
tree848558de17fb3008cdf4d861b01ac7781903ce39 /drivers/hwmon/ltc2947-i2c.c
parentInitial commit. (diff)
downloadlinux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz
linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip
Adding upstream version 6.1.76.upstream/6.1.76
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/hwmon/ltc2947-i2c.c')
-rw-r--r--drivers/hwmon/ltc2947-i2c.c48
1 files changed, 48 insertions, 0 deletions
diff --git a/drivers/hwmon/ltc2947-i2c.c b/drivers/hwmon/ltc2947-i2c.c
new file mode 100644
index 000000000..96852bc8a
--- /dev/null
+++ b/drivers/hwmon/ltc2947-i2c.c
@@ -0,0 +1,48 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Analog Devices LTC2947 high precision power and energy monitor over I2C
+ *
+ * Copyright 2019 Analog Devices Inc.
+ */
+#include <linux/i2c.h>
+#include <linux/module.h>
+#include <linux/regmap.h>
+
+#include "ltc2947.h"
+
+static const struct regmap_config ltc2947_regmap_config = {
+ .reg_bits = 8,
+ .val_bits = 8,
+};
+
+static int ltc2947_probe(struct i2c_client *i2c)
+{
+ struct regmap *map;
+
+ map = devm_regmap_init_i2c(i2c, &ltc2947_regmap_config);
+ if (IS_ERR(map))
+ return PTR_ERR(map);
+
+ return ltc2947_core_probe(map, i2c->name);
+}
+
+static const struct i2c_device_id ltc2947_id[] = {
+ {"ltc2947", 0},
+ {}
+};
+MODULE_DEVICE_TABLE(i2c, ltc2947_id);
+
+static struct i2c_driver ltc2947_driver = {
+ .driver = {
+ .name = "ltc2947",
+ .of_match_table = ltc2947_of_match,
+ .pm = pm_sleep_ptr(&ltc2947_pm_ops),
+ },
+ .probe_new = ltc2947_probe,
+ .id_table = ltc2947_id,
+};
+module_i2c_driver(ltc2947_driver);
+
+MODULE_AUTHOR("Nuno Sa <nuno.sa@analog.com>");
+MODULE_DESCRIPTION("LTC2947 I2C power and energy monitor driver");
+MODULE_LICENSE("GPL");