Commit Graph

19 Commits

Author SHA1 Message Date
Axel Lin 0b1e552673
regulator: da9121: Return REGULATOR_MODE_INVALID for invalid mode
-EINVAL is not a valid return value for .of_map_mode, return
REGULATOR_MODE_INVALID instead.

Fixes: 65ac97042d ("regulator: da9121: add mode support")
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Acked-by: Adam Ward <Adam.Ward.opensource@diasemi.com>
Link: https://lore.kernel.org/r/20210517052721.1063375-1-axel.lin@ingics.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2021-05-18 14:04:21 +01:00
Adam Ward 013592be14
regulator: da9121: automotive variants identity fix
This patch fixes identification of DA913x parts by the DA9121 driver,
where a lack of clarity lead to implementation on the basis that variant
IDs were to be identical to the equivalent rated non-automotive parts.

There is a new emphasis on the DT identity to cope with overlap in these
ID's - this is not considered to be problematic, because projects would
be exclusively using automotive or consumer grade parts.

Signed-off-by: Adam Ward <Adam.Ward.opensource@diasemi.com>
Link: https://lore.kernel.org/r/20210421120306.DB5B880007F@slsrvapps-01.diasemi.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2021-04-21 15:49:51 +01:00
Mark Brown 9d125387d9
Merge series "regulator: da9121: bug fixes" from Adam Ward <Adam.Ward.opensource@diasemi.com>:
This patch fixes a couple of bugs in the DA9121 driver.
One in an uninialised string I forgot to remove when changing to of_parse_cb()
The other is an index for an optional DT property which overflows

Adam Ward (2):
  regulator: da9121: Remove uninitialised string variable
  regulator: da9121: Fix index used for DT property

 drivers/regulator/da9121-regulator.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

--
1.9.1
2020-12-08 17:06:43 +00:00
Dan Carpenter 8db06423e0
regulator: da9121: Potential Oops in da9121_assign_chip_model()
There is a missing "return ret;" on this error path so we call
"da9121_check_device_type(i2c, chip);" which will end up dereferencing
"chip->regmap" and lead to an Oops.

Fixes: c860476b9e ("regulator: da9121: Add device variant regmaps")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Adam Ward <Adam.Ward.opensource@diasemi.com>
Link: https://lore.kernel.org/r/X85soGKnWAjPUA7a@mwanda
Signed-off-by: Mark Brown <broonie@kernel.org>
2020-12-08 14:21:13 +00:00
Adam Ward 9536ce6370
regulator: da9121: Fix index used for DT property
Signed-off-by: Adam Ward <Adam.Ward.opensource@diasemi.com>
Link: https://lore.kernel.org/r/2cf324b68d37c4059c7995e8cab5fc9a608ea65d.1607361013.git.Adam.Ward.opensource@diasemi.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2020-12-07 18:51:32 +00:00
Adam Ward 416c29e9ce
regulator: da9121: Remove uninitialised string variable
Erroneously left in when switched to using of_parse_cb()

Signed-off-by: Adam Ward <Adam.Ward.opensource@diasemi.com>
Link: https://lore.kernel.org/r/c7a9e947a9582fe0150d860b5eab7e093cd832bb.1607361013.git.Adam.Ward.opensource@diasemi.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2020-12-07 18:51:31 +00:00
Arnd Bergmann b4b277760a
regulator: da9121: include linux/gpio/consumer.h
When CONFIG_GPIOLIB is disabled, the declarations from linux/gpio/consumer.h
are not visible:

drivers/regulator/da9121-regulator.c:371:14: error: implicit declaration of function 'fwnode_gpiod_get_index' [-Werror,-Wimplicit-function-declaration]
        ena_gpiod = fwnode_gpiod_get_index(of_fwnode_handle(np), "enable", 0,
                    ^
drivers/regulator/da9121-regulator.c:372:7: error: use of undeclared identifier 'GPIOD_OUT_HIGH'
                                                GPIOD_OUT_HIGH |
                                                ^
drivers/regulator/da9121-regulator.c:373:7: error: use of undeclared identifier 'GPIOD_FLAGS_BIT_NONEXCLUSIVE'
                                                GPIOD_FLAGS_BIT_NONEXCLUSIVE,

Include this explicitly to help compile testing.

Fixes: 46c413d5bb ("regulator: da9121: Add support for device variants via devicetree")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Link: https://lore.kernel.org/r/20201204165229.3754763-1-arnd@kernel.org
Signed-off-by: Mark Brown <broonie@kernel.org>
2020-12-04 17:46:16 +00:00
Zou Wei c8dbf2f200
regulator: da9121: Mark some symbols with static keyword
Fix the following sparse warnings:

drivers/regulator/da9121-regulator.c:55:21: warning: symbol 'da9121_10A_2phase_current' was not declared. Should it be static?
drivers/regulator/da9121-regulator.c:63:21: warning: symbol 'da9121_6A_2phase_current' was not declared. Should it be static?
drivers/regulator/da9121-regulator.c:71:21: warning: symbol 'da9121_5A_1phase_current' was not declared. Should it be static?
drivers/regulator/da9121-regulator.c:79:21: warning: symbol 'da9121_3A_1phase_current' was not declared. Should it be static?
drivers/regulator/da9121-regulator.c:151:32: warning: symbol 'status_event_handling' was not declared. Should it be static?

Signed-off-by: Zou Wei <zou_wei@huawei.com>
Acked-by: Adam Ward <Adam.Ward.opensource@diasemi.com>
Link: https://lore.kernel.org/r/1606994795-36182-1-git-send-email-zou_wei@huawei.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2020-12-03 14:53:49 +00:00
Adam Ward 5e191d2e05
regulator: da9121: Request IRQ directly and free in release function to avoid masking race
Signed-off-by: Adam Ward <Adam.Ward.opensource@diasemi.com>
Link: https://lore.kernel.org/r/24b2d8b0c3536408369add034221b1141e58bbfc.1606908582.git.Adam.Ward.opensource@diasemi.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2020-12-02 16:09:00 +00:00
Adam Ward 40bb5b02ff
regulator: da9121: add interrupt support
Adds interrupt handler for variants, and notifications for events; over
temperature/voltage/current. Because the IRQs are triggered by persisting
status, they must be masked and the status polled until clear, before the
IRQ can be enabled again.

Signed-off-by: Adam Ward <Adam.Ward.opensource@diasemi.com>
Link: https://lore.kernel.org/r/fe21796bbcbadff84a472a4cc581ae8fafc7f8f5.1606755367.git.Adam.Ward.opensource@diasemi.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2020-12-01 12:18:04 +00:00
Adam Ward 65ac97042d
regulator: da9121: add mode support
Adds get/set for mode, and mapping from REGULATOR_MODE_* to select
PFM/PWM/Auto operation.

Signed-off-by: Adam Ward <Adam.Ward.opensource@diasemi.com>
Link: https://lore.kernel.org/r/7844c8f6facb6f7c0649381629cc75ccad14723d.1606755367.git.Adam.Ward.opensource@diasemi.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2020-12-01 12:18:03 +00:00
Adam Ward 5c4b62af1d
regulator: da9121: add current support
This commit adds support for getting/setting current for all supported
variants. Limits are adjusted per variant to match HW implementation.

Signed-off-by: Adam Ward <Adam.Ward.opensource@diasemi.com>
Link: https://lore.kernel.org/r/9aa80b909893dbe609730919ed595c6a8ac26606.1606755367.git.Adam.Ward.opensource@diasemi.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2020-12-01 12:18:02 +00:00
Adam Ward 9929900d18
regulator: da9121: Update registration to support multiple buck variants
Add function which iterates the regulator descriptors for the confirmed
variant ID and registers each buck.

Signed-off-by: Adam Ward <Adam.Ward.opensource@diasemi.com>
Link: https://lore.kernel.org/r/1fd53c3ab032ef3c8a92f80a2247381db1c09ced.1606755367.git.Adam.Ward.opensource@diasemi.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2020-12-01 12:18:01 +00:00
Adam Ward 46c413d5bb
regulator: da9121: Add support for device variants via devicetree
Add devicetree configuration and device variant parameters. Use the latter
to enable the check and use of parameters specific to dual buck variants.

Signed-off-by: Adam Ward <Adam.Ward.opensource@diasemi.com>
Link: https://lore.kernel.org/r/5849ce60595aef1018bdde7dcfb54a7397597545.1606755367.git.Adam.Ward.opensource@diasemi.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2020-12-01 12:18:00 +00:00
Adam Ward 91863239ce
regulator: da9121: Add device variant descriptors
Descriptors for bucks in all variants, ready for of_regulator_match

Signed-off-by: Adam Ward <Adam.Ward.opensource@diasemi.com>
Link: https://lore.kernel.org/r/8f7a11d59e5ac3ba1bfd448bcfc905efc99b7874.1606755367.git.Adam.Ward.opensource@diasemi.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2020-12-01 12:17:59 +00:00
Adam Ward c860476b9e
regulator: da9121: Add device variant regmaps
Add ability to probe device and validate configuration, then apply a regmap
configuration for a single or dual buck device accordingly.

Signed-off-by: Adam Ward <Adam.Ward.opensource@diasemi.com>
Link: https://lore.kernel.org/r/068c6b8d5e1b4e221e899e4c914c429429a2ec7d.1606755367.git.Adam.Ward.opensource@diasemi.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2020-12-01 12:17:58 +00:00
Adam Ward f3fbd5566f
regulator: da9121: Add device variants
Add basic support for configuration to reference variants of this device,
and track the selected variant within the driver.

Signed-off-by: Adam Ward <Adam.Ward.opensource@diasemi.com>
Link: https://lore.kernel.org/r/aaabd3063593e5172fa6b605884d475df64e6d65.1606755367.git.Adam.Ward.opensource@diasemi.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2020-12-01 12:17:57 +00:00
Adam Ward 86f162c91f
regulator: da9121: Add header file
Add header file for Dialog Semiconductor DA9121 regulator and related
devices, mostly autogenerated from the chip design databases, and update
driver to replace local defines with those from header.

Signed-off-by: Adam Ward <Adam.Ward.opensource@diasemi.com>
Link: https://lore.kernel.org/r/3527d84448d1e6ddc0fcb883ae564880f75a6cb0.1606755367.git.Adam.Ward.opensource@diasemi.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2020-12-01 12:17:56 +00:00
Vincent Whitchurch e6ff10f24c
regulator: Add support for DA9121 regulator
Add support for the Dialog Semiconductor DA9121, a single-channel
dual-phase buck converter controlled via I2C.

Signed-off-by: Vincent Whitchurch <vincent.whitchurch@axis.com>
Link: https://lore.kernel.org/r/20201103100021.19603-3-vincent.whitchurch@axis.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2020-11-03 13:19:46 +00:00