Hi,
On 12/10/21 10:09, Krzysztof Kozlowski wrote:
> On 11/10/2021 17:56, Luca Ceresoli wrote:
>> Add a simple driver for the Maxim MAX77714 PMIC, supporting RTC and
>> watchdog only.
>>
>> Signed-off-by: Luca Ceresoli <luca@xxxxxxxxxxxxxxxx>
>> ---
>> MAINTAINERS | 2 +
>> drivers/mfd/Kconfig | 14 ++++
>> drivers/mfd/Makefile | 1 +
>> drivers/mfd/max77714.c | 151 +++++++++++++++++++++++++++++++++++
>> include/linux/mfd/max77714.h | 68 ++++++++++++++++
>> 5 files changed, 236 insertions(+)
>> create mode 100644 drivers/mfd/max77714.c
>> create mode 100644 include/linux/mfd/max77714.h
>>
>> diff --git a/MAINTAINERS b/MAINTAINERS
>> index 4d0134752537..df394192f14e 100644
>> --- a/MAINTAINERS
>> +++ b/MAINTAINERS
>> @@ -11389,6 +11389,8 @@ MAXIM MAX77714 PMIC MFD DRIVER
>> M: Luca Ceresoli <luca@xxxxxxxxxxxxxxxx>
>> S: Maintained
>> F: Documentation/devicetree/bindings/mfd/maxim,max77714.yaml
>> +F: drivers/mfd/max77714.c
>> +F: include/linux/mfd/max77714.h
>>
>> MAXIM MAX77802 PMIC REGULATOR DEVICE DRIVER
>> M: Javier Martinez Canillas <javier@xxxxxxxxxxxx>
>> diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig
>> index ca0edab91aeb..b5f6e6174508 100644
>> --- a/drivers/mfd/Kconfig
>> +++ b/drivers/mfd/Kconfig
>> @@ -853,6 +853,20 @@ config MFD_MAX77693
>> additional drivers must be enabled in order to use the functionality
>> of the device.
>>
>> +config MFD_MAX77714
>> + bool "Maxim Semiconductor MAX77714 PMIC Support"
>
> Why it cannot be a tristate (module)?
Because it's not done in the driver I initially copied from, I guess. :)
And also because I thought it's appropriate for a PMIC driver since
regulators tend to be always instantiated. But I understand there are
valid use cases for that -- will do in v2 unless a good reason pops up
for not doing it.
>> diff --git a/include/linux/mfd/max77714.h b/include/linux/mfd/max77714.h
>> new file mode 100644
>> index 000000000000..ca6b747b73c2
>> --- /dev/null
>> +++ b/include/linux/mfd/max77714.h
>> @@ -0,0 +1,68 @@
>> +/* SPDX-License-Identifier: GPL-2.0-only */
>> +/*
>> + * Maxim MAX77714 Register and data structures definition.
>> + *
>> + * Copyright (C) 2021 Luca Ceresoli
>> + * Author: Luca Ceresoli <luca@xxxxxxxxxxxxxxxx>
>> + */
>> +
>> +#ifndef _MFD_MAX77714_H_
>> +#define _MFD_MAX77714_H_
>
> Header guard:
> __LINUX_MFD_MAX77714_H_
OK.
>> +
>> +struct max77714 {
>> + struct device *dev;
>> + struct regmap *regmap;
>> + struct regmap_irq_chip_data *irq_data;
>> +
>> + int irq;
>> +};
>
> Do you have to make it a public structure? If not, please put it in the
> max77714.c
Good point. Will fix.
--
Luca
