Commit 5c9353f5 authored by Ugur Usug's avatar Ugur Usug Committed by Guenter Roeck
Browse files

hwmon: (pmbus/max20730) Add max20710 support 



Add support for max20710 into the existing max20730 driver.

Signed-off-by: default avatarUgur Usug <ugur.usug@maximintegrated.com>
Link: https://lore.kernel.org/r/BYAPR11MB317423C13909AE6F1913BBD7FD9C0@BYAPR11MB3174.namprd11.prod.outlook.com


[groeck: Fixed various whitespace errors]
Signed-off-by: default avatarGuenter Roeck <linux@roeck-us.net>
parent a4872f7a

Documentation/hwmon/max20730.rst

+9 −1
Original line number Diff line number Diff line
@@ -5,6 +5,14 @@ Kernel driver max20730 


Supported chips:



  * Maxim MAX20710



    Prefix: 'max20710'



    Addresses scanned: -



    Datasheet: https://datasheets.maximintegrated.com/en/ds/MAX20710.pdf



  * Maxim MAX20730



    Prefix: 'max20730'
@@ -35,7 +43,7 @@ Author: Guenter Roeck <linux@roeck-us.net> 
Description

-----------



This driver implements support for Maxim MAX20730, MAX20734, and MAX20743

This driver implements support for Maxim MAX20710, MAX20730, MAX20734, and MAX20743

Integrated, Step-Down Switching Regulators with PMBus support.



The driver is a client driver to the core PMBus driver.

drivers/hwmon/pmbus/Kconfig

+2 −2
Original line number Diff line number Diff line
@@ -156,10 +156,10 @@ config SENSORS_MAX16601 
	  be called max16601.



config SENSORS_MAX20730

	tristate "Maxim MAX20730, MAX20734, MAX20743"

	tristate "Maxim MAX20710, MAX20730, MAX20734, MAX20743"

	help

	  If you say yes here you get hardware monitoring support for Maxim

	  MAX20730, MAX20734, and MAX20743.

	  MAX20710, MAX20730, MAX20734, and MAX20743.



	  This driver can also be built as a module. If so, the module will

	  be called max20730.

drivers/hwmon/pmbus/max20730.c

+43 −6
Original line number Diff line number Diff line 
// SPDX-License-Identifier: GPL-2.0-or-later

/*

 * Driver for MAX20730, MAX20734, and MAX20743 Integrated, Step-Down

 * Switching Regulators

 * Driver for MAX20710, MAX20730, MAX20734, and MAX20743 Integrated,

 * Step-Down Switching Regulators

 *

 * Copyright 2019 Google LLC.

 * Copyright 2020 Maxim Integrated

 */



#include <linux/bits.h>
@@ -19,6 +20,7 @@ 
#include "pmbus.h"



enum chips {

	max20710,

	max20730,

	max20734,

	max20743
@@ -80,6 +82,7 @@ static long direct_to_val(u16 w, enum pmbus_sensor_classes class, 
}



static u32 max_current[][5] = {

	[max20710] = { 6200, 8000, 9700, 11600 },

	[max20730] = { 13000, 16600, 20100, 23600 },

	[max20734] = { 21000, 27000, 32000, 38000 },

	[max20743] = { 18900, 24100, 29200, 34100 },
@@ -164,6 +167,35 @@ static int max20730_write_word_data(struct i2c_client *client, int page, 
}



static const struct pmbus_driver_info max20730_info[] = {

	[max20710] = {

		.pages = 1,

		.read_word_data = max20730_read_word_data,

		.write_word_data = max20730_write_word_data,



		/* Source : Maxim AN6140 and AN6042 */

		.format[PSC_TEMPERATURE] = direct,

		.m[PSC_TEMPERATURE] = 21,

		.b[PSC_TEMPERATURE] = 5887,

		.R[PSC_TEMPERATURE] = -1,



		.format[PSC_VOLTAGE_IN] = direct,

		.m[PSC_VOLTAGE_IN] = 3609,

		.b[PSC_VOLTAGE_IN] = 0,

		.R[PSC_VOLTAGE_IN] = -2,



		.format[PSC_CURRENT_OUT] = direct,

		.m[PSC_CURRENT_OUT] = 153,

		.b[PSC_CURRENT_OUT] = 4976,

		.R[PSC_CURRENT_OUT] = -1,



		.format[PSC_VOLTAGE_OUT] = linear,



		.func[0] = PMBUS_HAVE_VIN |

			PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT |

			PMBUS_HAVE_IOUT | PMBUS_HAVE_STATUS_IOUT |

			PMBUS_HAVE_TEMP | PMBUS_HAVE_STATUS_TEMP |

			PMBUS_HAVE_STATUS_INPUT,

	},

	[max20730] = {

		.pages = 1,

		.read_word_data = max20730_read_word_data,
@@ -200,7 +232,8 @@ static const struct pmbus_driver_info max20730_info[] = { 
		.func[0] = PMBUS_HAVE_VIN |

			PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT |

			PMBUS_HAVE_IOUT | PMBUS_HAVE_STATUS_IOUT |

			PMBUS_HAVE_TEMP | PMBUS_HAVE_STATUS_TEMP,

			PMBUS_HAVE_TEMP | PMBUS_HAVE_STATUS_TEMP |

			PMBUS_HAVE_STATUS_INPUT,

	},

	[max20734] = {

		.pages = 1,
@@ -228,7 +261,8 @@ static const struct pmbus_driver_info max20730_info[] = { 
		.func[0] = PMBUS_HAVE_VIN |

			PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT |

			PMBUS_HAVE_IOUT | PMBUS_HAVE_STATUS_IOUT |

			PMBUS_HAVE_TEMP | PMBUS_HAVE_STATUS_TEMP,

			PMBUS_HAVE_TEMP | PMBUS_HAVE_STATUS_TEMP |

			PMBUS_HAVE_STATUS_INPUT,

	},

	[max20743] = {

		.pages = 1,
@@ -256,7 +290,8 @@ static const struct pmbus_driver_info max20730_info[] = { 
		.func[0] = PMBUS_HAVE_VIN |

			PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT |

			PMBUS_HAVE_IOUT | PMBUS_HAVE_STATUS_IOUT |

			PMBUS_HAVE_TEMP | PMBUS_HAVE_STATUS_TEMP,

			PMBUS_HAVE_TEMP | PMBUS_HAVE_STATUS_TEMP |

			PMBUS_HAVE_STATUS_INPUT,

	},

};
@@ -339,6 +374,7 @@ static int max20730_probe(struct i2c_client *client, 
}



static const struct i2c_device_id max20730_id[] = {

	{ "max20710", max20710 },

	{ "max20730", max20730 },

	{ "max20734", max20734 },

	{ "max20743", max20743 },
@@ -348,6 +384,7 @@ static const struct i2c_device_id max20730_id[] = { 
MODULE_DEVICE_TABLE(i2c, max20730_id);



static const struct of_device_id max20730_of_match[] = {

	{ .compatible = "maxim,max20710", .data = (void *)max20710 },

	{ .compatible = "maxim,max20730", .data = (void *)max20730 },

	{ .compatible = "maxim,max20734", .data = (void *)max20734 },

	{ .compatible = "maxim,max20743", .data = (void *)max20743 },
@@ -369,5 +406,5 @@ static struct i2c_driver max20730_driver = { 
module_i2c_driver(max20730_driver);



MODULE_AUTHOR("Guenter Roeck <linux@roeck-us.net>");

MODULE_DESCRIPTION("PMBus driver for Maxim MAX20730 / MAX20734 / MAX20743");

MODULE_DESCRIPTION("PMBus driver for Maxim MAX20710 / MAX20730 / MAX20734 / MAX20743");

MODULE_LICENSE("GPL");

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