Re: [PATCH 1/3] hwmon: (pmbus) add BEL PFE1100 power supply driver

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On Mon, Oct 28, 2019 at 04:49:02PM -0700, rentao.bupt@xxxxxxxxx wrote:
> From: Tao Ren <rentao.bupt@xxxxxxxxx>
> 
> Add the driver to support BEL PFE1100 which is 1100 Wat AC to DC power
> supply. The chip has only 1 page.
> 
> Signed-off-by: Tao Ren <rentao.bupt@xxxxxxxxx>

Please combine with the next patch.

> ---
>  drivers/hwmon/pmbus/Kconfig   |  9 +++++
>  drivers/hwmon/pmbus/Makefile  |  1 +
>  drivers/hwmon/pmbus/bel-pfe.c | 68 +++++++++++++++++++++++++++++++++++
>  3 files changed, 78 insertions(+)
>  create mode 100644 drivers/hwmon/pmbus/bel-pfe.c
> 
> diff --git a/drivers/hwmon/pmbus/Kconfig b/drivers/hwmon/pmbus/Kconfig
> index d62d69bb7e49..59859979571d 100644
> --- a/drivers/hwmon/pmbus/Kconfig
> +++ b/drivers/hwmon/pmbus/Kconfig
> @@ -36,6 +36,15 @@ config SENSORS_ADM1275
>  	  This driver can also be built as a module. If so, the module will
>  	  be called adm1275.
>  
> +config SENSORS_BEL_PFE
> +	tristate "Bel PFE Compatible Power Supplies"
> +	help
> +	  If you say yes here you get hardware monitoring support for BEL
> +	  PFE1100 and PFE3000 Power Supplies.
> +
> +	  This driver can also be built as a module. If so, the module will
> +	  be called bel-pfe.
> +
>  config SENSORS_IBM_CFFPS
>  	tristate "IBM Common Form Factor Power Supply"
>  	depends on LEDS_CLASS
> diff --git a/drivers/hwmon/pmbus/Makefile b/drivers/hwmon/pmbus/Makefile
> index 03bacfcfd660..3f8c1014938b 100644
> --- a/drivers/hwmon/pmbus/Makefile
> +++ b/drivers/hwmon/pmbus/Makefile
> @@ -6,6 +6,7 @@
>  obj-$(CONFIG_PMBUS)		+= pmbus_core.o
>  obj-$(CONFIG_SENSORS_PMBUS)	+= pmbus.o
>  obj-$(CONFIG_SENSORS_ADM1275)	+= adm1275.o
> +obj-$(CONFIG_SENSORS_BEL_PFE)	+= bel-pfe.o
>  obj-$(CONFIG_SENSORS_IBM_CFFPS)	+= ibm-cffps.o
>  obj-$(CONFIG_SENSORS_INSPUR_IPSPS) += inspur-ipsps.o
>  obj-$(CONFIG_SENSORS_IR35221)	+= ir35221.o
> diff --git a/drivers/hwmon/pmbus/bel-pfe.c b/drivers/hwmon/pmbus/bel-pfe.c
> new file mode 100644
> index 000000000000..117f9af21bf3
> --- /dev/null
> +++ b/drivers/hwmon/pmbus/bel-pfe.c
> @@ -0,0 +1,68 @@
> +// SPDX-License-Identifier: GPL-2.0+
> +/*
> + * Hardware monitoring driver for BEL PFE family power supplies.
> + *
> + * Copyright (c) 2019 Facebook Inc.
> + */
> +
> +#include <linux/kernel.h>
> +#include <linux/module.h>
> +#include <linux/init.h>
> +#include <linux/err.h>
> +#include <linux/i2c.h>

Alphabetic include file order, please.

> +#include "pmbus.h"
> +
> +enum chips {pfe1100};
> +
> +static struct pmbus_driver_info pfe_driver_info[] = {
> +	[pfe1100] = {
> +		.pages = 1,
> +		.format[PSC_VOLTAGE_IN] = linear,
> +		.format[PSC_VOLTAGE_OUT] = linear,
> +		.format[PSC_CURRENT_IN] = linear,
> +		.format[PSC_CURRENT_OUT] = linear,
> +		.format[PSC_POWER] = linear,
> +		.format[PSC_TEMPERATURE] = linear,
> +		.format[PSC_FAN] = linear,
> +
> +		.func[0] = PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT |
> +			   PMBUS_HAVE_IOUT | PMBUS_HAVE_STATUS_IOUT |
> +			   PMBUS_HAVE_POUT |
> +			   PMBUS_HAVE_VIN | PMBUS_HAVE_IIN |
> +			   PMBUS_HAVE_PIN | PMBUS_HAVE_STATUS_INPUT |
> +			   PMBUS_HAVE_TEMP | PMBUS_HAVE_TEMP2 |
> +			   PMBUS_HAVE_STATUS_TEMP |
> +			   PMBUS_HAVE_FAN12,
> +	},
> +};
> +
> +static int pfe_pmbus_probe(struct i2c_client *client,
> +			   const struct i2c_device_id *id)
> +{
> +	int model;
> +
> +	model = (int)id->driver_data;
> +	return pmbus_do_probe(client, id, &pfe_driver_info[model]);
> +}
> +
> +static const struct i2c_device_id pfe_device_id[] = {
> +	{"pfe1100", pfe1100},
> +	{}
> +};
> +
> +MODULE_DEVICE_TABLE(i2c, pfe_device_id);
> +
> +static struct i2c_driver pfe_pmbus_driver = {
> +	.driver = {
> +		   .name = "bel-pfe",
> +	},
> +	.probe = pfe_pmbus_probe,
> +	.remove = pmbus_do_remove,
> +	.id_table = pfe_device_id,
> +};
> +
> +module_i2c_driver(pfe_pmbus_driver);
> +
> +MODULE_AUTHOR("Tao Ren <rentao.bupt@xxxxxxxxx>");
> +MODULE_DESCRIPTION("PMBus driver for BEL PFE Family Power Supplies");
> +MODULE_LICENSE("GPL");



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