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| author | Pawel Dembicki <paweldembicki@gmail.com> | 2025-05-11 06:55:47 +0300 |
|---|---|---|
| committer | Sasha Levin <sashal@kernel.org> | 2026-03-04 15:19:58 +0300 |
| commit | 369d2ed2da20063549d5ec8a2c3389f9aba0f35a (patch) | |
| tree | a00cd17d5338cfd75d07b25b0ef8b6682bb0261c /Documentation | |
| parent | 8c311c726f1f5daf180806b32bd9c04b7643d4ba (diff) | |
| download | linux-369d2ed2da20063549d5ec8a2c3389f9aba0f35a.tar.xz | |
hwmon: pmbus: mpq8785: Add support for MPM82504
[ Upstream commit c27291468eb957b11dc81cd35fad36faf0861c07 ]
Add support for the Monolithic Power Systems MPM82504 digital voltage
regulator. MPM82504 uses PMBus direct format for voltage output.
Tested with device tree based matching.
Signed-off-by: Pawel Dembicki <paweldembicki@gmail.com>
Link: https://lore.kernel.org/r/20250511035701.2607947-5-paweldembicki@gmail.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Stable-dep-of: 9e33c1dba224 ("hwmon: (pmbus/mpq8785) fix VOUT_MODE mismatch during identification")
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/hwmon/mpq8785.rst | 20 |
1 files changed, 15 insertions, 5 deletions
diff --git a/Documentation/hwmon/mpq8785.rst b/Documentation/hwmon/mpq8785.rst index bf8176b87086..b91fefb1a84c 100644 --- a/Documentation/hwmon/mpq8785.rst +++ b/Documentation/hwmon/mpq8785.rst @@ -5,6 +5,7 @@ Kernel driver mpq8785 Supported chips: + * MPS MPM82504 * MPS MPQ8785 Prefix: 'mpq8785' @@ -14,6 +15,14 @@ Author: Charles Hsu <ythsu0511@gmail.com> Description ----------- +The MPM82504 is a quad 25A, scalable, fully integrated power module with a PMBus +interface. The device offers a complete power solution that achieves up to 25A +per output channel. The MPM82504 has four output channels that can be paralleled +to provide 50A, 75A, or 100A of output current for flexible configurations. +The device can also operate in parallel with the MPM3695-100 and additional +MPM82504 devices to provide a higher output current. The MPM82504 operates +at high efficiency across a wide load range. + The MPQ8785 is a fully integrated, PMBus-compatible, high-frequency, synchronous buck converter. The MPQ8785 offers a very compact solution that achieves up to 40A output current per phase, with excellent load and line regulation over a @@ -23,18 +32,19 @@ output current load range. The PMBus interface provides converter configurations and key parameters monitoring. -The MPQ8785 adopts MPS's proprietary multi-phase digital constant-on-time (MCOT) +The devices adopts MPS's proprietary multi-phase digital constant-on-time (MCOT) control, which provides fast transient response and eases loop stabilization. -The MCOT scheme also allows multiple MPQ8785 devices to be connected in parallel -with excellent current sharing and phase interleaving for high-current +The MCOT scheme also allows multiple devices or channels to be connected in +parallel with excellent current sharing and phase interleaving for high-current applications. Fully integrated protection features include over-current protection (OCP), over-voltage protection (OVP), under-voltage protection (UVP), and over-temperature protection (OTP). -The MPQ8785 requires a minimal number of readily available, standard external -components, and is available in a TLGA (5mmx6mm) package. +All supported modules require a minimal number of readily available, standard +external components. The MPM82504 is available in a BGA (15mmx30mmx5.18mm) +package and the MPQ8785 is available in a TLGA (5mmx6mm) package. Device compliant with: |