From: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
To: Chen-Yu Tsai <wenst@chromium.org>, Lee Jones <lee@kernel.org>,
Matthias Brugger <matthias.bgg@gmail.com>,
Mark Brown <broonie@kernel.org>
Cc: Zhiyong Tao <zhiyong.tao@mediatek.com>,
linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-mediatek@lists.infradead.org
Subject: Re: [PATCH v3 3/3] regulator: mt6358: Add output voltage fine tuning to variable LDOs
Date: Thu, 21 Sep 2023 11:13:01 +0200 [thread overview]
Message-ID: <71906f4e-8875-7431-aee5-57eae1f55d65@collabora.com> (raw)
In-Reply-To: <20230913082919.1631287-4-wenst@chromium.org>
Il 13/09/23 10:29, Chen-Yu Tsai ha scritto:
> Some of the LDO regulators in the MT6358/MT6366 have sparsely populated
> voltage tables, supported by custom get/set operators. While it works,
> it requires more code and an extra field to store the lookup table.
> These LDOs also have fine voltage calibration settings that can slightly
> boost the output voltage from 0 mV to 100 mV, in 10 mV increments.
>
> These combined could be modeled as a pickable set of linear ranges. The
> coarse voltage setting is modeled as the range selector, while each
> range has 11 selectors, starting from the range's base voltage, up to
> +100 mV, in 10mV increments.
>
> Signed-off-by: Chen-Yu Tsai <wenst@chromium.org>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
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next prev parent reply other threads:[~2023-09-21 9:13 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-09-13 8:29 [PATCH v3 0/3] regulator: mt6358: Remove bogus regulators and improvements Chen-Yu Tsai
2023-09-13 8:29 ` [PATCH v3 1/3] regulator: mt6358: Fail probe on unknown chip ID Chen-Yu Tsai
2023-09-13 8:29 ` [PATCH v3 2/3] regulator: mt6358: Add output voltage fine tuning to fixed regulators Chen-Yu Tsai
2023-09-21 10:30 ` Lee Jones
2023-09-13 8:29 ` [PATCH v3 3/3] regulator: mt6358: Add output voltage fine tuning to variable LDOs Chen-Yu Tsai
2023-09-21 9:13 ` AngeloGioacchino Del Regno [this message]
2023-09-26 12:59 ` [PATCH v3 0/3] regulator: mt6358: Remove bogus regulators and improvements Mark Brown
[not found] <CAKpemQKo2gigO44amj=eFUXgUnUeSmiOoTbS8GdXMx3O07N1vg@mail.gmail.com>
2023-11-15 20:15 ` [PATCH v3 3/3] regulator: mt6358: Add output voltage fine tuning to variable LDOs Mark Brown
2023-11-16 3:50 ` Chen-Yu Tsai
2023-11-23 6:25 ` Chen-Yu Tsai
[not found] ` <CAKpemQJDf9RqeOStB4Rm5hzuQdzYF6JEbuz00Cr-a80cWZKR6w@mail.gmail.com>
2023-11-24 4:29 ` Chen-Yu Tsai
2023-11-24 4:58 ` Bret Joseph
2023-12-12 5:04 ` Bret Joseph
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