The only difference between the already supported LTC2943 and LTC2944 is the
operating range (3.6V - 20V compared to 3.6V - 60V).
Signed-off-by: Dragos Bogdan <dragos.bogdan@xxxxxxxxxx>
---
Documentation/devicetree/bindings/power/supply/ltc2941.txt | 10 +++++-----
drivers/power/supply/ltc2941-battery-gauge.c | 11 ++++++++---
2 files changed, 13 insertions(+), 8 deletions(-)
diff --git a/Documentation/devicetree/bindings/power/supply/ltc2941.txt b/Documentation/devicetree/bindings/power/supply/ltc2941.txt
index a9d7aa60558b..ed0f02846d10 100644
--- a/Documentation/devicetree/bindings/power/supply/ltc2941.txt
+++ b/Documentation/devicetree/bindings/power/supply/ltc2941.txt
@@ -1,9 +1,9 @@
-binding for LTC2941 and LTC2943 battery gauges
+binding for LTC2941, LTC2943 and LTC2944 battery gauges
-Both the LTC2941 and LTC2943 measure battery capacity.
-The LTC2943 is compatible with the LTC2941, it adds voltage and
-temperature monitoring, and uses a slightly different conversion
-formula for the charge counter.
+All the LTC2941, LTC2943 and LTC2944 measure battery capacity.
+The LTC2943 and LTC2944 are compatible with the LTC2941, they add voltage and
+temperature monitoring, and use a slightly different conversion formula for the
+charge counter.
Required properties:
- compatible: Should contain "lltc,ltc2941" or "lltc,ltc2943" which also
diff --git a/drivers/power/supply/ltc2941-battery-gauge.c b/drivers/power/supply/ltc2941-battery-gauge.c
index 7efb908f4451..48af7b6fb704 100644
--- a/drivers/power/supply/ltc2941-battery-gauge.c
+++ b/drivers/power/supply/ltc2941-battery-gauge.c
@@ -1,5 +1,5 @@
/*
- * I2C client/driver for the Linear Technology LTC2941 and LTC2943
+ * I2C client/driver for the Linear Technology LTC2941, LTC2943 and LTC2944
* Battery Gas Gauge IC
*
* Copyright (C) 2014 Topic Embedded Systems
@@ -145,7 +145,7 @@ static int ltc294x_reset(const struct ltc294x_info *info, int prescaler_exp)
control = LTC294X_REG_CONTROL_PRESCALER_SET(prescaler_exp) |
LTC294X_REG_CONTROL_ALCC_CONFIG_DISABLED;
- /* Put the 2943 into "monitor" mode, so it measures every 10 sec */
+ /* Put the 2943/4 into "monitor" mode, so it measures every 10 sec */
if (info->num_regs == LTC2943_NUM_REGS)
control |= LTC2943_REG_CONTROL_MODE_SCAN;
@@ -494,6 +494,7 @@ static SIMPLE_DEV_PM_OPS(ltc294x_pm_ops, ltc294x_suspend, ltc294x_resume);
static const struct i2c_device_id ltc294x_i2c_id[] = {
{"ltc2941", LTC2941_NUM_REGS},
{"ltc2943", LTC2943_NUM_REGS},
+ {"ltc2944", LTC2943_NUM_REGS},
{ },
};
MODULE_DEVICE_TABLE(i2c, ltc294x_i2c_id);
@@ -507,6 +508,10 @@ static const struct of_device_id ltc294x_i2c_of_match[] = {
.compatible = "lltc,ltc2943",
.data = (void *)LTC2943_NUM_REGS
},
+ {
+ .compatible = "lltc,ltc2944",
+ .data = (void *)LTC2943_NUM_REGS
+ },
{ },
};
MODULE_DEVICE_TABLE(of, ltc294x_i2c_of_match);
@@ -525,5 +530,5 @@ module_i2c_driver(ltc294x_driver);
MODULE_AUTHOR("Auryn Verwegen, Topic Embedded Systems");
MODULE_AUTHOR("Mike Looijmans, Topic Embedded Products");
-MODULE_DESCRIPTION("LTC2941/LTC2943 Battery Gas Gauge IC driver");
+MODULE_DESCRIPTION("LTC2941/LTC2943/LTC2944 Battery Gas Gauge IC driver");
MODULE_LICENSE("GPL");
--
2.11.0
--
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