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Sat, 12 Sep 2026 07:21:50 -0700 (PDT) Sender: Guenter Roeck Date: Sat, 12 Sep 2026 07:21:49 -0700 From: Guenter Roeck To: Nuno =?iso-8859-1?Q?S=E1?= Cc: linux-hwmon@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, linux-doc@vger.kernel.org, Rob Herring , Krzysztof Kozlowski , Conor Dooley , Jonathan Corbet , Shuah Khan , Randy Dunlap , Alexis Czezar Torreno Subject: Re: [PATCH v2 3/4] dt-bindings: hwmon/pmbus: Document MAX20826 and similar devices Message-ID: References: <20260911-hwmon-max20826-support-v2-0-5e30cbd97d84@analog.com> <20260911-hwmon-max20826-support-v2-3-5e30cbd97d84@analog.com> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20260911-hwmon-max20826-support-v2-3-5e30cbd97d84@analog.com> On Fri, Sep 11, 2026 at 02:53:39PM +0100, Nuno Sá wrote: > The MAX20826 IC and similar provide a high-density, flexible and scalable > dual-loop solution for high current cores for AI applications. These are > dual loop solutions multiphase voltage regulators. Between Rails A and B, > MAX20855B and MAX20908 supports up to 8 phases total configurable from > 8+0 to 4+4 phases, MAX20912 supports up to 12 phases from 12+0 to 6+6, > and MAX20826 and MAX20916 supports up to 16 phases from 16+0 to 8+8. > > The output voltage of each rail is controlled either through PMBus or > through the high-speed processor voltage-control interface (Intel SVID, > AMD SVI3, Nvidia PWMVID or AVSBus, depending on the device). Which one is > in use is part of the configuration the device powers up with and is read > back from it, hence adi,rail-a-high-speed and adi,rail-b-high-speed only > tell whether the high-speed interface or PMBus controls the output voltage > of the respective rail. > > Co-developed-by: Alexis Czezar Torreno > Signed-off-by: Alexis Czezar Torreno > Signed-off-by: Nuno Sá > Acked-by: Conor Dooley Applied. Thanks, Guenter