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iio: adc: adding support for PAC193x

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This is the iio driver for Microchip
PAC193X series of Power Monitor with Accumulator chip family.

Signed-off-by: Marius Cristea <marius.cristea@microchip.com>
Link: https://lore.kernel.org/r/20240222164206.65700-3-marius.cristea@microchip.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This commit is contained in:
Marius Cristea 2024-02-22 18:42:06 +02:00 • committed by Jonathan Cameron
parent a8ce0b4e56
commit 0fb528c825
5 changed files with 1664 additions and 0 deletions
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9
Documentation/ABI/testing/sysfs-bus-iio-adc-pac1934 Normal file
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@ -0,0 +1,9 @@
What: /sys/bus/iio/devices/iio:deviceX/in_shunt_resistorY
KernelVersion: 6.7
Contact: linux-iio@vger.kernel.org
Description:
The value of the shunt resistor may be known only at runtime
and set by a client application. This attribute allows to
set its value in micro-ohms. X is the IIO index of the device.
Y is the channel number. The value is used to calculate
current, power and accumulated energy.

7
MAINTAINERS
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@ -14426,6 +14426,13 @@ F: Documentation/devicetree/bindings/nvmem/microchip,sama7g5-otpc.yaml
F: drivers/nvmem/microchip-otpc.c F: drivers/nvmem/microchip-otpc.c
F: include/dt-bindings/nvmem/microchip,sama7g5-otpc.h F: include/dt-bindings/nvmem/microchip,sama7g5-otpc.h
MICROCHIP PAC1934 POWER/ENERGY MONITOR DRIVER
M: Marius Cristea <marius.cristea@microchip.com>
L: linux-iio@vger.kernel.org
S: Supported
F: Documentation/devicetree/bindings/iio/adc/microchip,pac1934.yaml
F: drivers/iio/adc/pac1934.c
MICROCHIP PCI1XXXX GP DRIVER MICROCHIP PCI1XXXX GP DRIVER
M: Vaibhaav Ram T.L <vaibhaavram.tl@microchip.com> M: Vaibhaav Ram T.L <vaibhaavram.tl@microchip.com>
M: Kumaravel Thiagarajan <kumaravel.thiagarajan@microchip.com> M: Kumaravel Thiagarajan <kumaravel.thiagarajan@microchip.com>

11
drivers/iio/adc/Kconfig
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@ -930,6 +930,17 @@ config NPCM_ADC
This driver can also be built as a module. If so, the module This driver can also be built as a module. If so, the module
will be called npcm_adc. will be called npcm_adc.
config PAC1934
tristate "Microchip Technology PAC1934 driver"
depends on I2C
help
Say yes here to build support for Microchip Technology's PAC1931,
PAC1932, PAC1933, PAC1934 Single/Multi-Channel Power Monitor with
Accumulator.
This driver can also be built as a module. If so, the module
will be called pac1934.
config PALMAS_GPADC config PALMAS_GPADC
tristate "TI Palmas General Purpose ADC" tristate "TI Palmas General Purpose ADC"
depends on MFD_PALMAS depends on MFD_PALMAS

1
drivers/iio/adc/Makefile
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@ -86,6 +86,7 @@ obj-$(CONFIG_MP2629_ADC) += mp2629_adc.o
obj-$(CONFIG_MXS_LRADC_ADC) += mxs-lradc-adc.o obj-$(CONFIG_MXS_LRADC_ADC) += mxs-lradc-adc.o
obj-$(CONFIG_NAU7802) += nau7802.o obj-$(CONFIG_NAU7802) += nau7802.o
obj-$(CONFIG_NPCM_ADC) += npcm_adc.o obj-$(CONFIG_NPCM_ADC) += npcm_adc.o
obj-$(CONFIG_PAC1934) += pac1934.o
obj-$(CONFIG_PALMAS_GPADC) += palmas_gpadc.o obj-$(CONFIG_PALMAS_GPADC) += palmas_gpadc.o
obj-$(CONFIG_QCOM_SPMI_ADC5) += qcom-spmi-adc5.o obj-$(CONFIG_QCOM_SPMI_ADC5) += qcom-spmi-adc5.o
obj-$(CONFIG_QCOM_SPMI_IADC) += qcom-spmi-iadc.o obj-$(CONFIG_QCOM_SPMI_IADC) += qcom-spmi-iadc.o

1636
drivers/iio/adc/pac1934.c Normal file
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