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The MediaTek MT8196 Chromebook SoC features one DVFSRC regulator
with 6 voltage steps.
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://patch.msgid.link/20250623120144.109359-5-angelogioacchino.delregno@collabora.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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The MediaTek Dimensity 1200 (MT6893) features the same DVFSRC
regulators as the other currently supported SoCs, but with a
different select value: add an array describing the possible
voltages for the VCORE and VSCP regulators, and assign it to
a new compatible for this SoC.
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://patch.msgid.link/20250623120144.109359-3-angelogioacchino.delregno@collabora.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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Driver does not modify static data with regulator description (struct
regulator_desc), so make it const for code safety.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://patch.msgid.link/20240909-regulator-const-v1-11-8934704a5787@linaro.org
Signed-off-by: Mark Brown <broonie@kernel.org>
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The previous driver never worked, and never got even compiled because
it was missing the DVFSRC driver entirely, including needed neaders.
This is a full (or nearly full) refactoring of the MediaTek DVFSRC
controlled Regulators driver, retaining support for the MT6873, MT8183
and MT8192 SoC, and adding MT8195.
As part of the refactoring, this driver is now probed using its own
devicetree compatible, as this is a child of the main DVFSRC driver
and gets probed as a subnode of that.
Reviewed-by: Mark Brown <broonie@kernel.org>
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://patch.msgid.link/20240610085735.147134-7-angelogioacchino.delregno@collabora.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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This driver never worked, and never got even compiled, because it was
missing the DVFSRC driver entirely, including headers it relies on!
In preparation of a full refactoring of this driver, remove it.
The Makefile and Kconfig entries are retained, as those are reused
as-is for the refactored code.
Acked-by: Mark Brown <broonie@kernel.org>
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://patch.msgid.link/20240610085735.147134-6-angelogioacchino.delregno@collabora.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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The DT of_device.h and of_platform.h date back to the separate
of_platform_bus_type before it as merged into the regular platform bus.
As part of that merge prepping Arm DT support 13 years ago, they
"temporarily" include each other. They also include platform_device.h
and of.h. As a result, there's a pretty much random mix of those include
files used throughout the tree. In order to detangle these headers and
replace the implicit includes with struct declarations, users need to
explicitly include the correct includes.
Signed-off-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20230714174930.4063320-1-robh@kernel.org
Signed-off-by: Mark Brown <broonie@kernel.org>
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This follows on the change ("regulator: Set PROBE_PREFER_ASYNCHRONOUS
for drivers that existed in 4.14") but changes regulators didn't exist
in Linux 5.10 but did exist in Linux 5.15.
Signed-off-by: Douglas Anderson <dianders@chromium.org>
Link: https://lore.kernel.org/r/20230316125351.5.Ia0e6d859bdfe42ea5c187fb1eb4705c1b5ea23a1@changeid
Signed-off-by: Mark Brown <broonie@kernel.org>
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If use dev->parent, the regulator_unregister will not be called when this
driver is unloaded. Fix it by using dev instead.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Link: https://lore.kernel.org/r/20210702142140.2678130-1-axel.lin@ingics.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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Driver for regulators exposed by the DVFSRC (dynamic voltage and
frequency scaling resource collector) found in devices based on
mt8183 and newer platforms.
Signed-off-by: Henry Chen <henryc.chen@mediatek.com>
Link: https://lore.kernel.org/r/1608790134-27425-12-git-send-email-henryc.chen@mediatek.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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