From: "Otto Pflüger" <otto.pflueger@abscue.de>
To: Baolin Wang <baolin.wang@linux.alibaba.com>
Cc: Sebastian Reichel <sre@kernel.org>, Rob Herring <robh@kernel.org>,
Krzysztof Kozlowski <krzk+dt@kernel.org>,
Conor Dooley <conor+dt@kernel.org>,
Orson Zhai <orsonzhai@gmail.com>,
Chunyan Zhang <zhang.lyra@gmail.com>, Lee Jones <lee@kernel.org>,
linux-pm@vger.kernel.org, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH 4/5] power: reset: sc27xx: Add support for SC2730 and OF match table
Date: Tue, 30 Sep 2025 07:30:10 +0200 [thread overview]
Message-ID: <aNtq4qyYNqZThjeI@abscue.de> (raw)
In-Reply-To: <58441250-1f00-45ee-8583-9863efc938e0@linux.alibaba.com>
On Tue, Sep 30, 2025 at 11:30:16AM +0800, Baolin Wang wrote:
>
> If I remember correctly, the original driver supported SC2730 and SC2731
> chips. Are you sure the current changes are still needed? Have you tested
> them on the SC2730 chip?
>
>
> config POWER_RESET_SC27XX
> tristate "Spreadtrum SC27xx PMIC power-off driver"
> depends on MFD_SC27XX_PMIC || COMPILE_TEST
> help
> This driver supports powering off a system through
> Spreadtrum SC27xx series PMICs. The SC27xx series
> PMICs includes the SC2720, SC2721, SC2723, SC2730
> and SC2731 chips.
The driver was hard-coded to use registers 0xc2c and 0xdf0. SC2730 has
different registers, which were added to the downstream version of the
driver in [1]. I have tested this with a UMS9230 phone which has an
SC2730 PMIC according to the device tree.
[1]: https://github.com/MotorolaMobilityLLC/kernel-sprd/commit/6165e1afe3eba33089fecc86767d47af9ab176d6
next prev parent reply other threads:[~2025-09-30 5:30 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-09-26 16:23 [PATCH 0/5] power: reset: sc27xx: Add SC2730 and reboot support Otto Pflüger
2025-09-26 16:23 ` [PATCH 1/5] dt-bindings: power: reset: Add SC27xx series PMIC poweroff Otto Pflüger
2025-09-26 16:23 ` [PATCH 2/5] dt-bindings: mfd: sc2731: Reference sprd,sc2731-poweroff Otto Pflüger
2025-10-02 2:53 ` Rob Herring
2025-09-26 16:23 ` [PATCH 3/5] power: reset: sc27xx: Use devm_register_sys_off_handler Otto Pflüger
2025-09-30 3:23 ` Baolin Wang
2025-09-26 16:23 ` [PATCH 4/5] power: reset: sc27xx: Add support for SC2730 and OF match table Otto Pflüger
2025-09-30 3:30 ` Baolin Wang
2025-09-30 5:30 ` Otto Pflüger [this message]
2025-10-14 1:44 ` Baolin Wang
2025-10-14 6:10 ` Otto Pflüger
2025-09-26 16:23 ` [PATCH 5/5] power: reset: sc27xx: Add reboot support for SC2730 Otto Pflüger
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