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Message-ID: <20260108172735.GK302752@google.com>
Date: Thu, 8 Jan 2026 17:27:35 +0000
From: Lee Jones <lee@...nel.org>
To: Matti Vaittinen <mazziesaccount@...il.com>
Cc: Matti Vaittinen <matti.vaittinen@...rohmeurope.com>,
Pavel Machek <pavel@...nel.org>, Rob Herring <robh@...nel.org>,
Krzysztof Kozlowski <krzk+dt@...nel.org>,
Conor Dooley <conor+dt@...nel.org>,
Sebastian Reichel <sre@...nel.org>,
Liam Girdwood <lgirdwood@...il.com>,
Mark Brown <broonie@...nel.org>,
Michael Turquette <mturquette@...libre.com>,
Stephen Boyd <sboyd@...nel.org>, Linus Walleij <linusw@...nel.org>,
Bartosz Golaszewski <brgl@...nel.org>,
Alexandre Belloni <alexandre.belloni@...tlin.com>,
linux-leds@...r.kernel.org, devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org, linux-pm@...r.kernel.org,
linux-clk@...r.kernel.org, linux-gpio@...r.kernel.org,
linux-rtc@...r.kernel.org, Andreas Kemnade <andreas@...nade.info>
Subject: Re: [PATCH RESEND v6 00/17] Support ROHM BD72720 PMIC
On Mon, 15 Dec 2025, Matti Vaittinen wrote:
> Resending the v6
>
> Series is same as v6 _except_ being rebased on v6.19-rc1 - and adding rb
> tags which were replied to v6.
>
> The ROHM BD72720 is a new power management IC for portable, battery
> powered devices. It integrates 10 BUCKs and 11 LDOs, RTC, charger, LEDs,
> GPIOs and a clock gate. To me the BD72720 seems like a successor to the
> BD71828 and BD71815 PMICs.
>
> This series depends on
> 5bff79dad20a ("power: supply: Add bd718(15/28/78) charger driver")
> which is in power-supply tree, for-next. Thus, the series is based on
> it.
>
> The testing since v4 has suffered some hardware-issues after I
> accidentally enabled charging while the PMIC's battery pin was connected
> to the I/O domain. Some heat was generated, not terribly lot smoke
> though...
>
> After the incident I've had occasional I2C failures. I, however, suspect
> the root cause is HW damage in I/O lines.
>
> Revision history:
> v6 resend:
> - Rebased on v6.19-rc1 and collected rb-tags from v6.
>
> v5 => v6:
> - MFD fixes as suggested by Lee
> - Styling mostly
> - New patch to Fix comment style for MFD driver
> More accurate changelog in individual patches
>
> v4 => v5:
> - dt-binding fixes as discussed in v4 reviews.
> - Drop rohm,vdr-battery.yaml and add vdr properties to battery.yaml
> - Drop 'rohm,' -vendor-prefix from vdr properties
> - Link to v4:
> https://lore.kernel.org/all/cover.1763022807.git.mazziesaccount@gmail.com/
> More accurate changelog in individual patches
>
> v3 => v4:
> - dt-binding fixes to the BD72720 MFD example and regulator bindings
> More accurate changelog in individual patches
>
> v2 => v3:
> - rebased to power-supply/for-next as dependencies are merged to there
> - plenty of dt-binding changes as suggested by reviewers
> - add new patch to better document existing 'trickle-charging' property
> More accurate changelog in individual patches
>
> RFCv1 => v2:
> - Drop RFC status
> - Use stacked regmaps to hide secondary map from the sub-drivers
> - Quite a few styling fixes and improvements as suggested by
> reviewers. More accurate changelog in individual patches.
> - Link to v1:
> https://lore.kernel.org/all/cover.1759824376.git.mazziesaccount@gmail.com/
>
> ---
>
> Matti Vaittinen (17):
> dt-bindings: regulator: ROHM BD72720
> dt-bindings: battery: Clarify trickle-charge
> dt-bindings: battery: Add trickle-charge upper limit
> dt-bindings: battery: Voltage drop properties
> dt-bindings: mfd: ROHM BD72720
> dt-bindings: leds: bd72720: Add BD72720
> mfd: rohm-bd71828: Use regmap_reg_range()
> mfd: rohm-bd71828: Use standard file header format
> mfd: rohm-bd71828: Support ROHM BD72720
> regulator: bd71828: rename IC specific entities
> regulator: bd71828: Support ROHM BD72720
> gpio: Support ROHM BD72720 gpios
> clk: clk-bd718x7: Support BD72720 clk gate
> rtc: bd70528: Support BD72720 rtc
> power: supply: bd71828: Support wider register addresses
> power: supply: bd71828-power: Support ROHM BD72720
> MAINTAINERS: Add ROHM BD72720 PMIC
>
> .../bindings/leds/rohm,bd71828-leds.yaml | 7 +-
> .../bindings/mfd/rohm,bd72720-pmic.yaml | 339 ++++++
> .../bindings/power/supply/battery.yaml | 33 +-
> .../regulator/rohm,bd72720-regulator.yaml | 148 +++
> MAINTAINERS | 2 +
> drivers/clk/Kconfig | 4 +-
> drivers/clk/clk-bd718x7.c | 10 +-
> drivers/gpio/Kconfig | 9 +
> drivers/gpio/Makefile | 1 +
> drivers/gpio/gpio-bd72720.c | 281 +++++
> drivers/mfd/Kconfig | 18 +-
> drivers/mfd/rohm-bd71828.c | 555 ++++++++-
> drivers/power/supply/bd71828-power.c | 160 ++-
> drivers/regulator/Kconfig | 8 +-
> drivers/regulator/bd71828-regulator.c | 1025 ++++++++++++++++-
> drivers/rtc/Kconfig | 3 +-
> drivers/rtc/rtc-bd70528.c | 21 +-
> include/linux/mfd/rohm-bd72720.h | 634 ++++++++++
> include/linux/mfd/rohm-generic.h | 1 +
> 19 files changed, 3127 insertions(+), 132 deletions(-)
> create mode 100644 Documentation/devicetree/bindings/mfd/rohm,bd72720-pmic.yaml
> create mode 100644 Documentation/devicetree/bindings/regulator/rohm,bd72720-regulator.yaml
> create mode 100644 drivers/gpio/gpio-bd72720.c
> create mode 100644 include/linux/mfd/rohm-bd72720.h
The MFD parts LGTM.
What Acks are you waiting on? What's the merge strategy?
> --
> 2.52.0
>
--
Lee Jones [李琼斯]
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