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Message-ID: <20250317-hwmon-next-v1-1-da0218c38197@analog.com>
Date: Mon, 17 Mar 2025 13:02:25 +0800
From: Kim Seer Paller <kimseer.paller@...log.com>
To: Jean Delvare <jdelvare@...e.com>, Guenter Roeck <linux@...ck-us.net>,
Jonathan Corbet <corbet@....net>, Rob Herring <robh@...nel.org>,
Krzysztof
Kozlowski <krzk+dt@...nel.org>,
Conor Dooley <conor+dt@...nel.org>, Frank Li
<Frank.Li@....com>,
Delphine CC Chiu <Delphine_CC_Chiu@...ynn.com>
CC: <linux-hwmon@...r.kernel.org>, <linux-doc@...r.kernel.org>,
<linux-kernel@...r.kernel.org>, <devicetree@...r.kernel.org>,
<linux-i2c@...r.kernel.org>,
Kim Seer Paller <kimseer.paller@...log.com>,
Cherrence Sarip <cherrence.sarip@...log.com>
Subject: [PATCH 1/3] hwmon: (pmbus/ltc7841) add support for LT717x - docs
Add LT7170 and LT7171 to compatible devices of LTC2978.
Co-developed-by: Cherrence Sarip <cherrence.sarip@...log.com>
Signed-off-by: Cherrence Sarip <cherrence.sarip@...log.com>
Signed-off-by: Kim Seer Paller <kimseer.paller@...log.com>
---
Documentation/hwmon/ltc2978.rst | 28 +++++++++++++++++++++++++---
1 file changed, 25 insertions(+), 3 deletions(-)
diff --git a/Documentation/hwmon/ltc2978.rst b/Documentation/hwmon/ltc2978.rst
index feae53eb9fbf5cff8f7a484c163acad011315d8d..0b72d566cac709aeafe53d08680ad65221bfa33f 100644
--- a/Documentation/hwmon/ltc2978.rst
+++ b/Documentation/hwmon/ltc2978.rst
@@ -5,6 +5,22 @@ Kernel driver ltc2978
Supported chips:
+ * Analog Devices LT7170
+
+ Prefix: 'lt7170'
+
+ Addresses scanned: -
+
+ Datasheet: https://www.analog.com/en/products/lt7170.html
+
+ * Analog Devices LT7171
+
+ Prefix: 'lt7171'
+
+ Addresses scanned: -
+
+ Datasheet: https://www.analog.com/en/products/lt7171.html
+
* Linear Technology LTC2972
Prefix: 'ltc2972'
@@ -223,6 +239,8 @@ Author: Guenter Roeck <linux@...ck-us.net>
Description
-----------
+- LT7170 and LT7171 are 20 A, 16 V, single- or dual-phase Silent Switcher
+- step-down regulators with Digital Power System Management.
- LTC2974 and LTC2975 are quad digital power supply managers.
- LTC2978 is an octal power supply monitor.
- LTC2977 is a pin compatible replacement for LTC2978.
@@ -300,6 +318,7 @@ in1_reset_history Reset input voltage history.
in[N]_label "vout[1-8]".
+ - LT7170, LT7171: N=2
- LTC2972: N=2-3
- LTC2974, LTC2975: N=2-5
- LTC2977, LTC2979, LTC2980, LTM2987: N=2-9
@@ -338,6 +357,8 @@ in[N]_reset_history Reset output voltage history.
temp[N]_input Measured temperature.
+ - On LT7170 and LT7171, temp1 reports the chip
+ temperature.
- On LTC2972, temp[1-2] report external temperatures,
and temp 3 reports the chip temperature.
- On LTC2974 and LTC2975, temp[1-4] report external
@@ -411,9 +432,9 @@ power[N]_input Measured output power.
curr1_label "iin".
- LTC3880, LTC3883, LTC3884, LTC3886, LTC3887, LTC3889,
- LTM4644, LTM4675, LTM4676, LTM4677, LTM4678, LTM4680,
- and LTM4700 only.
+ LT7170, LT7171, LTC3880, LTC3883, LTC3884, LTC3886,
+ LTC3887, LTC3889, LTM4644, LTM4675, LTM4676, LTM4677,
+ LTM4678, LTM4680, and LTM4700 only.
curr1_input Measured input current.
@@ -431,6 +452,7 @@ curr1_reset_history Reset input current history.
curr[N]_label "iout[1-4]".
+ - LT7170, LT7171: N=1
- LTC2972: N-1-2
- LTC2974, LTC2975: N=1-4
- LTC2977, LTC2979, LTC2980, LTM2987: not supported
--
2.34.1
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