From: Andreas Kemnade <andreas@kemnade.info>
To: Rob Herring <robh@kernel.org>,
Krzysztof Kozlowski <krzk+dt@kernel.org>,
Conor Dooley <conor+dt@kernel.org>,
Liam Girdwood <lgirdwood@gmail.com>,
Mark Brown <broonie@kernel.org>,
Guenter Roeck <linux@roeck-us.net>
Cc: devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-hwmon@vger.kernel.org,
Andreas Kemnade <andreas@kemnade.info>
Subject: [PATCH v2 0/3] regulator: Add FP9931/JD9930
Date: Fri, 14 Nov 2025 00:06:40 +0100 [thread overview]
Message-ID: <20251114-fp9931-submit-v2-0-cd6998932c4c@kemnade.info> (raw)
Add a driver for the FP9931/JD9930 regulator which provides the
comparatively high voltages needed for electronic paper displays.
Datasheet for the FP9931 is at
https://www.fitipower.com/dl/file/flXa6hIchVeu0W3K
Although it is in English, it seems to be only downloadable
from the Chinese part of that website.
For the JD9930 there can be a datasheet found at
https://e2e.ti.com/cfs-file/__key/communityserver-discussions-components-files/196/JD9930_2D00_0.7_2D00_JUN_2D00_2019.pdf
To simplify things, include the hwmon part directly which is only
one register read and there are not other functions besides
regulators in this chip.
Signed-off-by: Andreas Kemnade <andreas@kemnade.info>
---
Changes in v2:
- vendor prefix fiti->fitipower
- tdly in ms with enum
- no #thermal-sensor-cells
- regulator node names lowercase and under regulators subnode
- s/ts-en/en-ts/
- remove duplicate v3p3 of_match
- remove ancient driver.owner assignmed
- some style cleanup
- Link to v1: https://patch.msgid.link/20251107-fp9931-submit-v1-0-aa7b79d9abb6@kemnade.info
---
Andreas Kemnade (3):
dt-bindings: vendor-prefixes: Add Fitipower
dt-bindings: regulator: Add Fitipower FP9931/JD9930
regulator: Add FP9931/JD9930 driver
.../bindings/regulator/fitipower,fp9931.yaml | 110 ++++
.../devicetree/bindings/vendor-prefixes.yaml | 2 +
drivers/regulator/Kconfig | 10 +
drivers/regulator/Makefile | 1 +
drivers/regulator/fp9931.c | 564 +++++++++++++++++++++
5 files changed, 687 insertions(+)
---
base-commit: dcb6fa37fd7bc9c3d2b066329b0d27dedf8becaa
change-id: 20251107-fp9931-submit-0ac249b5d6b0
Best regards,
--
Andreas Kemnade <andreas@kemnade.info>
next reply other threads:[~2025-11-13 23:11 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-11-13 23:06 Andreas Kemnade [this message]
2025-11-13 23:06 ` [PATCH v2 1/3] dt-bindings: vendor-prefixes: Add Fitipower Andreas Kemnade
2025-11-14 9:05 ` Krzysztof Kozlowski
2025-11-13 23:06 ` [PATCH v2 2/3] dt-bindings: regulator: Add Fitipower FP9931/JD9930 Andreas Kemnade
2025-11-14 9:07 ` Krzysztof Kozlowski
2025-11-13 23:06 ` [PATCH v2 3/3] regulator: Add FP9931/JD9930 driver Andreas Kemnade
2025-11-13 23:48 ` Guenter Roeck
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