From: Jon Hunter <jonathanh@nvidia.com>
To: Jean Delvare <jdelvare@suse.com>,
Guenter Roeck <linux@roeck-us.net>,
"Rob Herring" <robh+dt@kernel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
Conor Dooley <conor+dt@kernel.org>,
Thierry Reding <thierry.reding@gmail.com>
Cc: <linux-hwmon@vger.kernel.org>, <devicetree@vger.kernel.org>,
<linux-tegra@vger.kernel.org>, Jon Hunter <jonathanh@nvidia.com>
Subject: [PATCH V3 0/4] hwmon: ina3221: Add selective summation support
Date: Thu, 21 Sep 2023 14:08:14 +0100 [thread overview]
Message-ID: <20230921130818.21247-1-jonathanh@nvidia.com> (raw)
The current INA3221 driver always sums the shunt voltage for all enabled
channels regardless of the shunt-resistor used for each channel. Summing
the shunt-voltage for channels is only meaningful if the shunt resistor
is the same for each channel. This series adds device-tree support to
allow which channels are summed in device-tree.
Changes since V2:
- Added note to binding-doc to indicate that input channels must be
explicitly disabled.
- Corrected ordering of properties in the binding-doc
- Updated license for the binding-doc to be dual licensed.
- Changed newly added property from 'summation-bypass' to
summation-disable'.
- Documented type for the new 'summation-disable' property.
- Corrected spelling and comments as per the feedback received.
- Used debugfs instead of sysfs for exposing the 'summation-disable'
status for each input channel.
- Populated missing instances for the ina3221 device for Tegra234
boards.
- Populated ina219 device for the NVIDIA IGX board (not strictly
related to this series but related to populating all
power-sensors for Tegra234 boards)
Changes since V1:
- Added yaml conversion patch for binding-doc
- Added binding-doc documentation patch for new property
- Added patch to populate ina3221 devices for Tegra234.
Jon Hunter (2):
dt-bindings: hwmon: ina3221: Add ti,summation-disable
arm64: tegra: Add power-sensors for Tegra234 boards
Ninad Malwade (2):
dt-bindings: hwmon: ina3221: Convert to json-schema
hwmon: ina3221: Add support for channel summation disable
.../devicetree/bindings/hwmon/ina3221.txt | 54 --------
.../devicetree/bindings/hwmon/ti,ina3221.yaml | 117 ++++++++++++++++++
.../boot/dts/nvidia/tegra234-p3701-0008.dtsi | 33 +++++
.../arm64/boot/dts/nvidia/tegra234-p3701.dtsi | 53 ++++++++
.../arm64/boot/dts/nvidia/tegra234-p3767.dtsi | 29 +++++
drivers/hwmon/ina3221.c | 30 ++++-
6 files changed, 259 insertions(+), 57 deletions(-)
delete mode 100644 Documentation/devicetree/bindings/hwmon/ina3221.txt
create mode 100644 Documentation/devicetree/bindings/hwmon/ti,ina3221.yaml
--
2.34.1
next reply other threads:[~2023-09-21 17:27 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-09-21 13:08 Jon Hunter [this message]
2023-09-21 13:08 ` [PATCH V3 1/4] dt-bindings: hwmon: ina3221: Convert to json-schema Jon Hunter
2023-09-22 21:01 ` Rob Herring
2023-09-25 10:46 ` Jon Hunter
2023-09-26 9:18 ` Conor Dooley
2023-09-26 12:02 ` Jon Hunter
2023-09-21 13:08 ` [PATCH V3 2/4] dt-bindings: hwmon: ina3221: Add ti,summation-disable Jon Hunter
2023-09-22 21:06 ` Rob Herring
2023-09-25 10:50 ` Jon Hunter
2023-09-21 13:08 ` [PATCH V3 3/4] hwmon: ina3221: Add support for channel summation disable Jon Hunter
2023-09-21 21:11 ` kernel test robot
2023-09-21 13:08 ` [PATCH V3 4/4] arm64: tegra: Add power-sensors for Tegra234 boards Jon Hunter
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