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power: supply: add support for Pegatron Chagall battery

From:  Svyatoslav Ryhel <clamor95-AT-gmail.com>
To:  Sebastian Reichel <sre-AT-kernel.org>, Rob Herring <robh-AT-kernel.org>, Krzysztof Kozlowski <krzk+dt-AT-kernel.org>, Conor Dooley <conor+dt-AT-kernel.org>, Thierry Reding <thierry.reding-AT-gmail.com>, Jonathan Hunter <jonathanh-AT-nvidia.com>, Neil Armstrong <neil.armstrong-AT-linaro.org>, Jonathan Cameron <Jonathan.Cameron-AT-huawei.com>, Rafał Miłecki <rafal-AT-milecki.pl>, Aradhya Bhatia <a-bhatia1-AT-ti.com>, Svyatoslav Ryhel <clamor95-AT-gmail.com>
Subject:  [PATCH v3 0/4] power: supply: add support for Pegatron Chagall battery
Date:  Tue, 29 Apr 2025 09:17:58 +0300
Message-ID:  <20250429061803.9581-1-clamor95@gmail.com>
Cc:  linux-pm-AT-vger.kernel.org, devicetree-AT-vger.kernel.org, linux-kernel-AT-vger.kernel.org, linux-tegra-AT-vger.kernel.org
Archive-link:  Article

The Pegatron Chagall is an Android tablet utilizing a customized Cypress
CG7153AM microcontroller (MCU) as its battery fuel gauge. It supports a
single-cell battery and features a dual-color charging LED.

---
Changes in v3:
- status update handled via default-trigger
- chagall_battery_prop_offs sorted by chagall_battery_properties
- separated status logic into chagall_battery_get_status helper
- removed controversial POWER_SUPPLY_STATUS_NOT_CHARGING use
- code formatting improvemets

Changes in v2:
- removed CG7153AM mentions in code, documentation and commit messages
- moved schema to power/supply
- left only pegatron,chagall compatible, other is dropped
---

Svyatoslav Ryhel (4):
  dt-bindings: vendor-prefixes: add prefix for Pegatron Corporation
  dt-bindings: power: supply: Document Pegatron Chagall fuel gauge
  power: supply: Add driver for Pegatron Chagall battery
  ARM: tegra: chagall: Add embedded controller node

 .../power/supply/pegatron,chagall-ec.yaml     |  49 +++
 .../devicetree/bindings/vendor-prefixes.yaml  |   2 +
 .../dts/nvidia/tegra30-pegatron-chagall.dts   |  16 +
 drivers/power/supply/Kconfig                  |  12 +
 drivers/power/supply/Makefile                 |   1 +
 drivers/power/supply/chagall-battery.c        | 291 ++++++++++++++++++
 6 files changed, 371 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/power/supply/pegatron,chagall-ec.yaml
 create mode 100644 drivers/power/supply/chagall-battery.c

-- 
2.48.1




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