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After syncing the enable status of VCN33_WIFI to VCN33_BT, the driver
will disable VCN33_WIFI. If it fails it will error out with a message.
However the error message incorrectly refers to VCN33_BT.
Fix the error message so that it correctly refers to VCN33_WIFI.
Suggested-by: Fei Shao <fshao@chromium.org>
Fixes: 65bae54e08c1 ("regulator: mt6358: Merge VCN33_* regulators")
Signed-off-by: Chen-Yu Tsai <wenst@chromium.org>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20230721082903.2038975-4-wenst@chromium.org
Signed-off-by: Mark Brown <broonie@kernel.org>
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Syncing VCN33_* enable status should be done after checking the PMIC's
ID, to avoid setting random bits on other PMICs.
Suggested-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Fixes: 65bae54e08c1 ("regulator: mt6358: Merge VCN33_* regulators")
Signed-off-by: Chen-Yu Tsai <wenst@chromium.org>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20230721082903.2038975-3-wenst@chromium.org
Signed-off-by: Mark Brown <broonie@kernel.org>
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Some of the regulators on the MT6358/MT6366 PMICs have just one linear
voltage range. These are the bulk regulators and VSRAM_* LDOs. Currently
they are modeled with one linear range, but also have their minimum,
maximum, and step voltage described.
Convert them to the linear voltage helpers. These helpers are a bit
simpler, and we can also drop the linear range definitions. Also reflow
the touched lines now that they are shorter.
Signed-off-by: Chen-Yu Tsai <wenst@chromium.org>
Link: https://lore.kernel.org/r/20230609083009.2822259-7-wenst@chromium.org
Signed-off-by: Mark Brown <broonie@kernel.org>
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In the MT6358 regulator driver, each regulator is described by a
|struct regulator_desc| wrapped by a |struct mt6358_regulator_info|.
The latter was tied to the regulator device using the config's
driver_data field, which meant that the variables could not be constant.
Since each regulator device has a pointer to its regulator_desc, and
mt6358_regulator_info wraps that, the driver could use container_of()
to retrieve it instead.
Switch to using container_of(), drop tha driver_data setting, and
const-ify all the regulator descriptions.
Signed-off-by: Chen-Yu Tsai <wenst@chromium.org>
Link: https://lore.kernel.org/r/20230609083009.2822259-6-wenst@chromium.org
Signed-off-by: Mark Brown <broonie@kernel.org>
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The *_SSHUB regulators are actually alternate configuration interfaces
for their non *_SSHUB counterparts. They are not separate regulator
outputs. These registers are intended for the companion processor to
use to configure the power rails while the main processor is sleeping.
They are not intended for the main operating system to use.
Since they are not real outputs they shouldn't be modeled separately.
Remove them. Luckily no device tree actually uses them.
Signed-off-by: Chen-Yu Tsai <wenst@chromium.org>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Reviewed-by: Matthias Brugger <matthias.bgg@gmail.com>
Link: https://lore.kernel.org/r/20230609083009.2822259-5-wenst@chromium.org
Signed-off-by: Mark Brown <broonie@kernel.org>
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The VCN33_BT and VCN33_WIFI regulators are actually the same regulator,
having the same voltage setting and output pin. There are simply two
enable bits that are ORed together to enable the regulator.
Having two regulators representing the same output pin is misleading
from a design matching standpoint, and also error-prone in driver
implementations. If consumers try to set different voltages on either
regulator, the one set later would override the one set before. There
are ways around this, such as chaining them together and having the
downstream one act as a switch. But given there's only one output pin,
such a workaround doesn't match reality.
Remove the VCN33_WIFI regulator. During the probe phase, have the driver
sync the enable status of VCN33_WIFI to VCN33_BT. Also drop the suffix
so that the regulator name matches the pin name in the datasheet.
Signed-off-by: Chen-Yu Tsai <wenst@chromium.org>
Link: https://lore.kernel.org/r/20230609083009.2822259-4-wenst@chromium.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 4.19 but did exist in Linux 5.4.
Signed-off-by: Douglas Anderson <dianders@chromium.org>
Link: https://lore.kernel.org/r/20230316125351.3.I45bf925ca9537da5f647e2acb0ad207c0c98af81@changeid
Signed-off-by: Mark Brown <broonie@kernel.org>
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The MT6366 is a regulator found on boards based on MediaTek MT8186 and
probably other SoCs. It is a so called pmic and connects as a slave to
SoC using SPI, wrapped inside the pmic-wrapper.
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Signed-off-by: Johnson Wang <johnson.wang@mediatek.com>
Link: https://lore.kernel.org/r/20220401080212.27383-2-johnson.wang@mediatek.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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The shift setting can be calculated via the corresponding mask field,
so remove these shift fields.
The usage of da_vsel_mask is different from other mask defines because
current code does shift regval before mask with the da_vsel_mask.
Do proper shit to da_vsel_mask setting so we can calculate the shift.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Link: https://lore.kernel.org/r/20210629130503.2183574-1-axel.lin@ingics.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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The regulator_desc expects "const unsigned int *volt_table", thus use
unsigned int instead of u32.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Link: https://lore.kernel.org/r/20210606065052.1417111-1-axel.lin@ingics.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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The valid vsel value are 0 and 12, so the .vsel_mask should be 0xf.
Signed-off-by: Hsin-Hsiung Wang <hsin-hsiung.wang@mediatek.com>
Reviewed-by: Axel Lin <axel.lin@ingics.com>
Link: https://lore.kernel.org/r/1624424169-510-1-git-send-email-hsin-hsiung.wang@mediatek.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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Change the regulator helpers to use common linear_ranges code.
Signed-off-by: Matti Vaittinen <matti.vaittinen@fi.rohmeurope.com>
Reviewed-by: Mark Brown <broonie@kernel.org>
Acked-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Acked-by: Adam Thomson <Adam.Thomson.Opensource@diasemi.com>
Link: https://lore.kernel.org/r/64f01d5e381b8631a271616b7790f9d5640974fb.1588944082.git.matti.vaittinen@fi.rohmeurope.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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The MT6358 is a regulator found on boards based on MediaTek MT8183 and
probably other SoCs. It is a so called pmic and connects as a slave to
SoC using SPI, wrapped inside the pmic-wrapper.
Signed-off-by: Hsin-Hsiung Wang <hsin-hsiung.wang@mediatek.com>
Link: https://lore.kernel.org/r/1566531931-9772-8-git-send-email-hsin-hsiung.wang@mediatek.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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