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| author | Charles <hsu.yungteng@gmail.com> | 2020-12-02 14:11:04 +0800 |
|---|---|---|
| committer | Guenter Roeck <linux@roeck-us.net> | 2020-12-07 07:59:37 -0800 |
| commit | 7537862a90b8b9106d42ad2f53de2b96fd1673c5 (patch) | |
| tree | 281e71d5cd5594a5d4cb993682d964fbb3888131 /Documentation/hwmon | |
| parent | daf4fedde6177941b55ba3c3293a8585d5280b94 (diff) | |
| download | linux-7537862a90b8b9106d42ad2f53de2b96fd1673c5.tar.bz2 | |
hwmon: Add driver for STMicroelectronics PM6764 Voltage Regulator
Add the pmbus driver for the STMicroelectronics pm6764 voltage regulator.
the output voltage use the MFR_READ_VOUT 0xD4
vout value returned is linear11
Signed-off-by: Charles Hsu <hsu.yungteng@gmail.com>
[groeck: Fixed various compile errors; marked pm6764tr_of_match __maybe_unused]
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Diffstat (limited to 'Documentation/hwmon')
| -rw-r--r-- | Documentation/hwmon/index.rst | 1 | ||||
| -rw-r--r-- | Documentation/hwmon/pm6764tr.rst | 32 |
2 files changed, 33 insertions, 0 deletions
diff --git a/Documentation/hwmon/index.rst b/Documentation/hwmon/index.rst index fd6fae46b99c..9a699e4f0234 100644 --- a/Documentation/hwmon/index.rst +++ b/Documentation/hwmon/index.rst @@ -146,6 +146,7 @@ Hardware Monitoring Kernel Drivers pc87360 pc87427 pcf8591 + pm6764tr pmbus powr1220 pxe1610 diff --git a/Documentation/hwmon/pm6764tr.rst b/Documentation/hwmon/pm6764tr.rst new file mode 100644 index 000000000000..a1fb8fea2326 --- /dev/null +++ b/Documentation/hwmon/pm6764tr.rst @@ -0,0 +1,32 @@ +.. SPDX-License-Identifier: GPL-2.0-only + +Kernel driver pm6764tr +====================== + +Supported chips: + + * ST PM6764TR + + Prefix: 'pm6764tr' + + Addresses scanned: - + + Datasheet: http://www.st.com/resource/en/data_brief/pm6764.pdf + +Authors: + <hsu.yungteng@gmail.com> + +Description: +------------ + +This driver supports the STMicroelectronics PM6764TR chip. The PM6764TR is a high +performance digital controller designed to power Intel’s VR12.5 processors and memories. + +The device utilizes digital technology to implement all control and power management +functions to provide maximum flexibility and performance. The NVM is embedded to store +custom configurations. The PM6764TR device features up to 4-phase programmable operation. + +The PM6764TR supports power state transitions featuring VFDE, and programmable DPM +maintaining the best efficiency over all loading conditions without compromising transient +response. The device assures fast and independent protection against load overcurrent, +under/overvoltage and feedback disconnections. |