linux-kernel - [PATCH v4 0/3] Add Richtek RT9759 smart cap divider charger support

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Message-ID: <1675647919-11151-1-git-send-email-cy_huang@richtek.com>
Date:   Mon, 6 Feb 2023 09:45:16 +0800
From:   <cy_huang@...htek.com>
To:     <sre@...nel.org>, <robh+dt@...nel.org>,
        <krzysztof.kozlowski+dt@...aro.org>
CC:     <cy_huang@...htek.com>, <allen_chiang@...htek.com>,
        <u0084500@...il.com>, <linux-pm@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <devicetree@...r.kernel.org>
Subject: [PATCH v4 0/3] Add Richtek RT9759 smart cap divider charger support

From: ChiYuan Huang <cy_huang@...htek.com>

This patch set is to add Richtek RT9759 smart cap divider charger.

The RT9759 is a high efficiency and high charge current charger.
The efficiency is up to 97.8% when VBAT=4.2V, IBAT=2.5A, and the maximum
charge current is up to 8A. The device integrates smart cap divider topology
with a dual-phase charge pump core and 9 channel high speed ADCs to monitor
the charging process.

Since v4:
- Since it's 2023 now, change date from 2022 to 2023 for source code and ABI.

Since v3:
- Fix 0002 patch title typo (from 'rt9471' to 'rt9759')
- Remove unused R_VAC_OVP range.
- Refer to ABI document, use 'status' to control battery charging, not 'online'
- Refer to ABI document, use 'online' to indicate bus state

Since v2:
- Add Reviewed-by tag for dt-binding patch
- Change ABI document date from Oct 2022 to Nov 2022 and KernelVersion
  from 6.1 to 6.2

ChiYuan Huang (3):
  dt-bindings: power: supply: Add Richtek RT9759 smart cap divider
    charger
  power: supply: Add Richtek RT9759 smart cap divider charger
  Documentation: power: rt9759: Document exported sysfs entries

 Documentation/ABI/testing/sysfs-class-power-rt9759 |  37 ++
 .../bindings/power/supply/richtek,rt9759.yaml      |  61 ++
 drivers/power/supply/Kconfig                       |  15 +
 drivers/power/supply/Makefile                      |   1 +
 drivers/power/supply/rt9759.c                      | 613 +++++++++++++++++++++
 5 files changed, 727 insertions(+)
 create mode 100644 Documentation/ABI/testing/sysfs-class-power-rt9759
 create mode 100644 Documentation/devicetree/bindings/power/supply/richtek,rt9759.yaml
 create mode 100644 drivers/power/supply/rt9759.c

-- 
2.7.4