Re: [PATCH v1 3/3] Documentation/ABI: Add new attributes for mlxreg-io sysfs interfaces

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Hi Michael,

On 5/11/22 16:58, Michael Shych wrote:
> Hi Hans,
> 
> I'm sorry for this form of patchset.
> It definitely was tested by checkpatch but we have several rounds of
> Internal reviews and looks that on some step patches have these errors.
> Should I resubmit all series?

No need to resubmit, I've already fixed this up manually
so as to have this merged in time for the 5.19 cycle.

Please double-check that my fixed-up version is what you
intended:

https://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86.git/commit/?h=review-hans&id=ae6e1d73ceffc61cb97343dd4fa61c74a3c75682

Regards,

Hans





>> -----Original Message-----
>> From: Hans de Goede <hdegoede@xxxxxxxxxx>
>> Sent: Wednesday, May 11, 2022 5:41 PM
>> To: Michael Shych <michaelsh@xxxxxxxxxx>
>> Cc: platform-driver-x86@xxxxxxxxxxxxxxx; Vadim Pasternak
>> <vadimp@xxxxxxxxxx>
>> Subject: Re: [PATCH v1 3/3] Documentation/ABI: Add new attributes for
>> mlxreg-io sysfs interfaces
>>
>> Hi,
>>
>> On 4/30/22 13:58, michaelsh@xxxxxxxxxx wrote:
>>> From: Michael Shych <michaelsh@xxxxxxxxxx>
>>>
>>> Add documentation for the new attributes:
>>> - "phy_reset" - Reset PHY.
>>> - "mac_reset" - Reset MAC.
>>> - "qsfp_pwr_good" - The power status of QSFP ports.
>>>
>>> Signed-off-by: Michael Shych <michaelsh@xxxxxxxxxx>
>>> Reviewed-by: Vadim Pasternak <vadimp@xxxxxxxxxx>
>>
>> Something has gone seriously wrong with preparing this
>> patch. It seems that the new intended contents of
>> Documentation/ABI/stable/sysfs-driver-mlxreg-io
>> was written over drivers/platform/mellanox/nvsw-sn2201.c
>> and then the result was commited and worse submitted
>> upstream.
>>
>> Next time please do a dummy run before submitting
>> patches upstream like this:
>>
>> 1. Run "git format patch HEAD~3" (3 because this time there were 3 patches)
>> 2. Run "scripts/checkpatch.pl 00*" and check for issues
>> 3. Run "$EDITOR 00*" and manually check if things are as they should be.
>>
>> I've fixed this up now by taking the last 3 documentation
>> entries from drivers/platform/mellanox/nvsw-sn2201.c after
>> applying this patch (which rewrites it into a documentation
>> file) and adding those at the end of:
>> Documentation/ABI/stable/sysfs-driver-mlxreg-io
>>
>> I also had to manually fix the indentation of the 3 new
>> entries using spaces everywhere where as the existing
>> file uses tabs everywhere.
>>
>> Once I'm done running some local tests I will push this to:
>>
>> https://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-
>> x86.git/log/?h=review-hans
>>
>> Please double check (once pushed) that the documentation
>> commit is as it should be.
>>
>> Regards,
>>
>> Hans
>>
>>
>>
>>
>>
>>> ---
>>>  drivers/platform/mellanox/nvsw-sn2201.c | 1766 +++++++++------------------
>> ----
>>>  1 file changed, 505 insertions(+), 1261 deletions(-)
>>>
>>> diff --git a/drivers/platform/mellanox/nvsw-sn2201.c
>> b/drivers/platform/mellanox/nvsw-sn2201.c
>>> index e1ebd871da04..9e397c54dd85 100644
>>> --- a/drivers/platform/mellanox/nvsw-sn2201.c
>>> +++ b/drivers/platform/mellanox/nvsw-sn2201.c
>>> @@ -1,1261 +1,505 @@
>>> -// SPDX-License-Identifier: GPL-2.0+
>>> -/*
>>> - * Nvidia sn2201 driver
>>> - *
>>> - * Copyright (C) 2022 Nvidia Technologies Ltd.
>>> - */
>>> -
>>> -#include <linux/device.h>
>>> -#include <linux/i2c.h>
>>> -#include <linux/interrupt.h>
>>> -#include <linux/irq.h>
>>> -#include <linux/gpio.h>
>>> -#include <linux/module.h>
>>> -#include <linux/platform_data/mlxcpld.h>
>>> -#include <linux/platform_data/mlxreg.h>
>>> -#include <linux/platform_device.h>
>>> -#include <linux/regmap.h>
>>> -
>>> -/* SN2201 CPLD register offset. */
>>> -#define NVSW_SN2201_CPLD_LPC_I2C_BASE_ADRR          0x2000
>>> -#define NVSW_SN2201_CPLD_LPC_IO_RANGE               0x100
>>> -#define NVSW_SN2201_HW_VER_ID_OFFSET                0x00
>>> -#define NVSW_SN2201_BOARD_ID_OFFSET                 0x01
>>> -#define NVSW_SN2201_CPLD_VER_OFFSET                 0x02
>>> -#define NVSW_SN2201_CPLD_MVER_OFFSET                0x03
>>> -#define NVSW_SN2201_CPLD_ID_OFFSET                  0x04
>>> -#define NVSW_SN2201_CPLD_PN_OFFSET                  0x05
>>> -#define NVSW_SN2201_CPLD_PN1_OFFSET                 0x06
>>> -#define NVSW_SN2201_PSU_CTRL_OFFSET                 0x0a
>>> -#define NVSW_SN2201_QSFP28_STATUS_OFFSET            0x0b
>>> -#define NVSW_SN2201_QSFP28_INT_STATUS_OFFSET        0x0c
>>> -#define NVSW_SN2201_QSFP28_LP_STATUS_OFFSET         0x0d
>>> -#define NVSW_SN2201_QSFP28_RST_STATUS_OFFSET        0x0e
>>> -#define NVSW_SN2201_SYS_STATUS_OFFSET               0x0f
>>> -#define NVSW_SN2201_FRONT_SYS_LED_CTRL_OFFSET       0x10
>>> -#define NVSW_SN2201_FRONT_PSU_LED_CTRL_OFFSET       0x12
>>> -#define NVSW_SN2201_FRONT_UID_LED_CTRL_OFFSET       0x13
>>> -#define NVSW_SN2201_QSFP28_LED_TEST_STATUS_OFFSET   0x14
>>> -#define NVSW_SN2201_SYS_RST_STATUS_OFFSET           0x15
>>> -#define NVSW_SN2201_SYS_INT_STATUS_OFFSET           0x21
>>> -#define NVSW_SN2201_SYS_INT_MASK_OFFSET             0x22
>>> -#define NVSW_SN2201_ASIC_STATUS_OFFSET              0x24
>>> -#define NVSW_SN2201_ASIC_EVENT_OFFSET               0x25
>>> -#define NVSW_SN2201_ASIC_MAKS_OFFSET                0x26
>>> -#define NVSW_SN2201_THML_STATUS_OFFSET              0x27
>>> -#define NVSW_SN2201_THML_EVENT_OFFSET               0x28
>>> -#define NVSW_SN2201_THML_MASK_OFFSET                0x29
>>> -#define NVSW_SN2201_PS_ALT_STATUS_OFFSET            0x2a
>>> -#define NVSW_SN2201_PS_ALT_EVENT_OFFSET             0x2b
>>> -#define NVSW_SN2201_PS_ALT_MASK_OFFSET              0x2c
>>> -#define NVSW_SN2201_PS_PRSNT_STATUS_OFFSET          0x30
>>> -#define NVSW_SN2201_PS_PRSNT_EVENT_OFFSET           0x31
>>> -#define NVSW_SN2201_PS_PRSNT_MASK_OFFSET            0x32
>>> -#define NVSW_SN2201_PS_DC_OK_STATUS_OFFSET          0x33
>>> -#define NVSW_SN2201_PS_DC_OK_EVENT_OFFSET           0x34
>>> -#define NVSW_SN2201_PS_DC_OK_MASK_OFFSET            0x35
>>> -#define NVSW_SN2201_RST_CAUSE1_OFFSET               0x36
>>> -#define NVSW_SN2201_RST_CAUSE2_OFFSET               0x37
>>> -#define NVSW_SN2201_RST_SW_CTRL_OFFSET              0x38
>>> -#define NVSW_SN2201_FAN_PRSNT_STATUS_OFFSET         0x3a
>>> -#define NVSW_SN2201_FAN_PRSNT_EVENT_OFFSET          0x3b
>>> -#define NVSW_SN2201_FAN_PRSNT_MASK_OFFSET           0x3c
>>> -#define NVSW_SN2201_WD_TMR_OFFSET_LSB               0x40
>>> -#define NVSW_SN2201_WD_TMR_OFFSET_MSB               0x41
>>> -#define NVSW_SN2201_WD_ACT_OFFSET                   0x42
>>> -#define NVSW_SN2201_FAN_LED1_CTRL_OFFSET            0x50
>>> -#define NVSW_SN2201_FAN_LED2_CTRL_OFFSET            0x51
>>> -#define NVSW_SN2201_REG_MAX                         0x52
>>> -
>>> -/* Number of physical I2C busses. */
>>> -#define NVSW_SN2201_PHY_I2C_BUS_NUM		2
>>> -/* Number of main mux channels. */
>>> -#define NVSW_SN2201_MAIN_MUX_CHNL_NUM		8
>>> -
>>> -#define NVSW_SN2201_MAIN_NR			0
>>> -#define NVSW_SN2201_MAIN_MUX_NR			1
>>> -#define NVSW_SN2201_MAIN_MUX_DEFER_NR
>> 	(NVSW_SN2201_PHY_I2C_BUS_NUM + \
>>> -
>> NVSW_SN2201_MAIN_MUX_CHNL_NUM - 1)
>>> -
>>> -#define NVSW_SN2201_MAIN_MUX_CH0_NR
>> 	NVSW_SN2201_PHY_I2C_BUS_NUM
>>> -#define NVSW_SN2201_MAIN_MUX_CH1_NR
>> 	(NVSW_SN2201_MAIN_MUX_CH0_NR + 1)
>>> -#define NVSW_SN2201_MAIN_MUX_CH2_NR
>> 	(NVSW_SN2201_MAIN_MUX_CH0_NR + 2)
>>> -#define NVSW_SN2201_MAIN_MUX_CH3_NR
>> 	(NVSW_SN2201_MAIN_MUX_CH0_NR + 3)
>>> -#define NVSW_SN2201_MAIN_MUX_CH5_NR
>> 	(NVSW_SN2201_MAIN_MUX_CH0_NR + 5)
>>> -#define NVSW_SN2201_MAIN_MUX_CH6_NR
>> 	(NVSW_SN2201_MAIN_MUX_CH0_NR + 6)
>>> -#define NVSW_SN2201_MAIN_MUX_CH7_NR
>> 	(NVSW_SN2201_MAIN_MUX_CH0_NR + 7)
>>> -
>>> -#define NVSW_SN2201_CPLD_NR
>> 	NVSW_SN2201_MAIN_MUX_CH0_NR
>>> -#define NVSW_SN2201_NR_NONE		-1
>>> -
>>> -/* Masks for aggregation, PSU presence and power, ASIC events
>>> - * in CPLD related registers.
>>> - */
>>> -#define NVSW_SN2201_CPLD_AGGR_ASIC_MASK_DEF	0xe0
>>> -#define NVSW_SN2201_CPLD_AGGR_PSU_MASK_DEF	0x04
>>> -#define NVSW_SN2201_CPLD_AGGR_PWR_MASK_DEF	0x02
>>> -#define NVSW_SN2201_CPLD_AGGR_FAN_MASK_DEF	0x10
>>> -#define NVSW_SN2201_CPLD_AGGR_MASK_DEF      \
>>> -	(NVSW_SN2201_CPLD_AGGR_ASIC_MASK_DEF \
>>> -	| NVSW_SN2201_CPLD_AGGR_PSU_MASK_DEF \
>>> -	| NVSW_SN2201_CPLD_AGGR_PWR_MASK_DEF \
>>> -	| NVSW_SN2201_CPLD_AGGR_FAN_MASK_DEF)
>>> -
>>> -#define NVSW_SN2201_CPLD_ASIC_MASK		GENMASK(3, 1)
>>> -#define NVSW_SN2201_CPLD_PSU_MASK		GENMASK(1, 0)
>>> -#define NVSW_SN2201_CPLD_PWR_MASK		GENMASK(1, 0)
>>> -#define NVSW_SN2201_CPLD_FAN_MASK		GENMASK(3, 0)
>>> -
>>> -#define NVSW_SN2201_CPLD_SYSIRQ			26
>>> -#define NVSW_SN2201_LPC_SYSIRQ			28
>>> -#define NVSW_SN2201_CPLD_I2CADDR		0x41
>>> -
>>> -#define NVSW_SN2201_WD_DFLT_TIMEOUT		600
>>> -
>>> -/* nvsw_sn2201 - device private data
>>> - * @dev: platform device;
>>> - * @io_data: register access platform data;
>>> - * @led_data: LED platform data;
>>> - * @hotplug_data: hotplug platform data;
>>> - * @i2c_data: I2C controller platform data;
>>> - * @led: LED device;
>>> - * @io_regs: register access device;
>>> - * @pdev_hotplug: hotplug device;
>>> - * @sn2201_devs: I2C devices for sn2201 devices;
>>> - * @sn2201_devs_num: number of I2C devices for sn2201 device;
>>> - * @main_mux_devs: I2C devices for main mux;
>>> - * @main_mux_devs_num: number of I2C devices for main mux;
>>> - * @cpld_devs: I2C devices for cpld;
>>> - * @cpld_devs_num: number of I2C devices for cpld;
>>> - * @main_mux_deferred_nr: I2C adapter number must be exist prior
>> creating devices execution;
>>> - */
>>> -struct nvsw_sn2201 {
>>> -	struct device *dev;
>>> -	struct mlxreg_core_platform_data *io_data;
>>> -	struct mlxreg_core_platform_data *led_data;
>>> -	struct mlxreg_core_platform_data *wd_data;
>>> -	struct mlxreg_core_hotplug_platform_data *hotplug_data;
>>> -	struct mlxreg_core_hotplug_platform_data *i2c_data;
>>> -	struct platform_device *led;
>>> -	struct platform_device *wd;
>>> -	struct platform_device *io_regs;
>>> -	struct platform_device *pdev_hotplug;
>>> -	struct platform_device *pdev_i2c;
>>> -	struct mlxreg_hotplug_device *sn2201_devs;
>>> -	int sn2201_devs_num;
>>> -	struct mlxreg_hotplug_device *main_mux_devs;
>>> -	int main_mux_devs_num;
>>> -	struct mlxreg_hotplug_device *cpld_devs;
>>> -	int cpld_devs_num;
>>> -	int main_mux_deferred_nr;
>>> -};
>>> -
>>> -static bool nvsw_sn2201_writeable_reg(struct device *dev, unsigned int
>> reg)
>>> -{
>>> -	switch (reg) {
>>> -	case NVSW_SN2201_PSU_CTRL_OFFSET:
>>> -	case NVSW_SN2201_QSFP28_LP_STATUS_OFFSET:
>>> -	case NVSW_SN2201_QSFP28_RST_STATUS_OFFSET:
>>> -	case NVSW_SN2201_FRONT_SYS_LED_CTRL_OFFSET:
>>> -	case NVSW_SN2201_FRONT_PSU_LED_CTRL_OFFSET:
>>> -	case NVSW_SN2201_FRONT_UID_LED_CTRL_OFFSET:
>>> -	case NVSW_SN2201_QSFP28_LED_TEST_STATUS_OFFSET:
>>> -	case NVSW_SN2201_SYS_RST_STATUS_OFFSET:
>>> -	case NVSW_SN2201_SYS_INT_MASK_OFFSET:
>>> -	case NVSW_SN2201_ASIC_EVENT_OFFSET:
>>> -	case NVSW_SN2201_ASIC_MAKS_OFFSET:
>>> -	case NVSW_SN2201_THML_EVENT_OFFSET:
>>> -	case NVSW_SN2201_THML_MASK_OFFSET:
>>> -	case NVSW_SN2201_PS_ALT_EVENT_OFFSET:
>>> -	case NVSW_SN2201_PS_ALT_MASK_OFFSET:
>>> -	case NVSW_SN2201_PS_PRSNT_EVENT_OFFSET:
>>> -	case NVSW_SN2201_PS_PRSNT_MASK_OFFSET:
>>> -	case NVSW_SN2201_PS_DC_OK_EVENT_OFFSET:
>>> -	case NVSW_SN2201_PS_DC_OK_MASK_OFFSET:
>>> -	case NVSW_SN2201_RST_SW_CTRL_OFFSET:
>>> -	case NVSW_SN2201_FAN_PRSNT_EVENT_OFFSET:
>>> -	case NVSW_SN2201_FAN_PRSNT_MASK_OFFSET:
>>> -	case NVSW_SN2201_WD_TMR_OFFSET_LSB:
>>> -	case NVSW_SN2201_WD_TMR_OFFSET_MSB:
>>> -	case NVSW_SN2201_WD_ACT_OFFSET:
>>> -	case NVSW_SN2201_FAN_LED1_CTRL_OFFSET:
>>> -	case NVSW_SN2201_FAN_LED2_CTRL_OFFSET:
>>> -		return true;
>>> -	}
>>> -	return false;
>>> -}
>>> -
>>> -static bool nvsw_sn2201_readable_reg(struct device *dev, unsigned int
>> reg)
>>> -{
>>> -	switch (reg) {
>>> -	case NVSW_SN2201_HW_VER_ID_OFFSET:
>>> -	case NVSW_SN2201_BOARD_ID_OFFSET:
>>> -	case NVSW_SN2201_CPLD_VER_OFFSET:
>>> -	case NVSW_SN2201_CPLD_MVER_OFFSET:
>>> -	case NVSW_SN2201_CPLD_ID_OFFSET:
>>> -	case NVSW_SN2201_CPLD_PN_OFFSET:
>>> -	case NVSW_SN2201_CPLD_PN1_OFFSET:
>>> -	case NVSW_SN2201_PSU_CTRL_OFFSET:
>>> -	case NVSW_SN2201_QSFP28_STATUS_OFFSET:
>>> -	case NVSW_SN2201_QSFP28_INT_STATUS_OFFSET:
>>> -	case NVSW_SN2201_QSFP28_LP_STATUS_OFFSET:
>>> -	case NVSW_SN2201_QSFP28_RST_STATUS_OFFSET:
>>> -	case NVSW_SN2201_SYS_STATUS_OFFSET:
>>> -	case NVSW_SN2201_FRONT_SYS_LED_CTRL_OFFSET:
>>> -	case NVSW_SN2201_FRONT_PSU_LED_CTRL_OFFSET:
>>> -	case NVSW_SN2201_FRONT_UID_LED_CTRL_OFFSET:
>>> -	case NVSW_SN2201_QSFP28_LED_TEST_STATUS_OFFSET:
>>> -	case NVSW_SN2201_SYS_RST_STATUS_OFFSET:
>>> -	case NVSW_SN2201_RST_CAUSE1_OFFSET:
>>> -	case NVSW_SN2201_RST_CAUSE2_OFFSET:
>>> -	case NVSW_SN2201_SYS_INT_STATUS_OFFSET:
>>> -	case NVSW_SN2201_SYS_INT_MASK_OFFSET:
>>> -	case NVSW_SN2201_ASIC_STATUS_OFFSET:
>>> -	case NVSW_SN2201_ASIC_EVENT_OFFSET:
>>> -	case NVSW_SN2201_ASIC_MAKS_OFFSET:
>>> -	case NVSW_SN2201_THML_STATUS_OFFSET:
>>> -	case NVSW_SN2201_THML_EVENT_OFFSET:
>>> -	case NVSW_SN2201_THML_MASK_OFFSET:
>>> -	case NVSW_SN2201_PS_ALT_STATUS_OFFSET:
>>> -	case NVSW_SN2201_PS_ALT_EVENT_OFFSET:
>>> -	case NVSW_SN2201_PS_ALT_MASK_OFFSET:
>>> -	case NVSW_SN2201_PS_PRSNT_STATUS_OFFSET:
>>> -	case NVSW_SN2201_PS_PRSNT_EVENT_OFFSET:
>>> -	case NVSW_SN2201_PS_PRSNT_MASK_OFFSET:
>>> -	case NVSW_SN2201_PS_DC_OK_STATUS_OFFSET:
>>> -	case NVSW_SN2201_PS_DC_OK_EVENT_OFFSET:
>>> -	case NVSW_SN2201_PS_DC_OK_MASK_OFFSET:
>>> -	case NVSW_SN2201_RST_SW_CTRL_OFFSET:
>>> -	case NVSW_SN2201_FAN_PRSNT_STATUS_OFFSET:
>>> -	case NVSW_SN2201_FAN_PRSNT_EVENT_OFFSET:
>>> -	case NVSW_SN2201_FAN_PRSNT_MASK_OFFSET:
>>> -	case NVSW_SN2201_WD_TMR_OFFSET_LSB:
>>> -	case NVSW_SN2201_WD_TMR_OFFSET_MSB:
>>> -	case NVSW_SN2201_WD_ACT_OFFSET:
>>> -	case NVSW_SN2201_FAN_LED1_CTRL_OFFSET:
>>> -	case NVSW_SN2201_FAN_LED2_CTRL_OFFSET:
>>> -		return true;
>>> -	}
>>> -	return false;
>>> -}
>>> -
>>> -static bool nvsw_sn2201_volatile_reg(struct device *dev, unsigned int reg)
>>> -{
>>> -	switch (reg) {
>>> -	case NVSW_SN2201_HW_VER_ID_OFFSET:
>>> -	case NVSW_SN2201_BOARD_ID_OFFSET:
>>> -	case NVSW_SN2201_CPLD_VER_OFFSET:
>>> -	case NVSW_SN2201_CPLD_MVER_OFFSET:
>>> -	case NVSW_SN2201_CPLD_ID_OFFSET:
>>> -	case NVSW_SN2201_CPLD_PN_OFFSET:
>>> -	case NVSW_SN2201_CPLD_PN1_OFFSET:
>>> -	case NVSW_SN2201_PSU_CTRL_OFFSET:
>>> -	case NVSW_SN2201_QSFP28_STATUS_OFFSET:
>>> -	case NVSW_SN2201_QSFP28_INT_STATUS_OFFSET:
>>> -	case NVSW_SN2201_QSFP28_LP_STATUS_OFFSET:
>>> -	case NVSW_SN2201_QSFP28_RST_STATUS_OFFSET:
>>> -	case NVSW_SN2201_SYS_STATUS_OFFSET:
>>> -	case NVSW_SN2201_FRONT_SYS_LED_CTRL_OFFSET:
>>> -	case NVSW_SN2201_FRONT_PSU_LED_CTRL_OFFSET:
>>> -	case NVSW_SN2201_FRONT_UID_LED_CTRL_OFFSET:
>>> -	case NVSW_SN2201_QSFP28_LED_TEST_STATUS_OFFSET:
>>> -	case NVSW_SN2201_SYS_RST_STATUS_OFFSET:
>>> -	case NVSW_SN2201_RST_CAUSE1_OFFSET:
>>> -	case NVSW_SN2201_RST_CAUSE2_OFFSET:
>>> -	case NVSW_SN2201_SYS_INT_STATUS_OFFSET:
>>> -	case NVSW_SN2201_SYS_INT_MASK_OFFSET:
>>> -	case NVSW_SN2201_ASIC_STATUS_OFFSET:
>>> -	case NVSW_SN2201_ASIC_EVENT_OFFSET:
>>> -	case NVSW_SN2201_ASIC_MAKS_OFFSET:
>>> -	case NVSW_SN2201_THML_STATUS_OFFSET:
>>> -	case NVSW_SN2201_THML_EVENT_OFFSET:
>>> -	case NVSW_SN2201_THML_MASK_OFFSET:
>>> -	case NVSW_SN2201_PS_ALT_STATUS_OFFSET:
>>> -	case NVSW_SN2201_PS_ALT_EVENT_OFFSET:
>>> -	case NVSW_SN2201_PS_ALT_MASK_OFFSET:
>>> -	case NVSW_SN2201_PS_PRSNT_STATUS_OFFSET:
>>> -	case NVSW_SN2201_PS_PRSNT_EVENT_OFFSET:
>>> -	case NVSW_SN2201_PS_PRSNT_MASK_OFFSET:
>>> -	case NVSW_SN2201_PS_DC_OK_STATUS_OFFSET:
>>> -	case NVSW_SN2201_PS_DC_OK_EVENT_OFFSET:
>>> -	case NVSW_SN2201_PS_DC_OK_MASK_OFFSET:
>>> -	case NVSW_SN2201_RST_SW_CTRL_OFFSET:
>>> -	case NVSW_SN2201_FAN_PRSNT_STATUS_OFFSET:
>>> -	case NVSW_SN2201_FAN_PRSNT_EVENT_OFFSET:
>>> -	case NVSW_SN2201_FAN_PRSNT_MASK_OFFSET:
>>> -	case NVSW_SN2201_WD_TMR_OFFSET_LSB:
>>> -	case NVSW_SN2201_WD_TMR_OFFSET_MSB:
>>> -	case NVSW_SN2201_FAN_LED1_CTRL_OFFSET:
>>> -	case NVSW_SN2201_FAN_LED2_CTRL_OFFSET:
>>> -		return true;
>>> -	}
>>> -	return false;
>>> -}
>>> -
>>> -static const struct reg_default nvsw_sn2201_regmap_default[] = {
>>> -	{ NVSW_SN2201_QSFP28_LED_TEST_STATUS_OFFSET, 0x00 },
>>> -	{ NVSW_SN2201_WD_ACT_OFFSET, 0x00 },
>>> -};
>>> -
>>> -/* Configuration for the register map of a device with 1 bytes address
>> space. */
>>> -static const struct regmap_config nvsw_sn2201_regmap_conf = {
>>> -	.reg_bits = 8,
>>> -	.val_bits = 8,
>>> -	.max_register = NVSW_SN2201_REG_MAX,
>>> -	.cache_type = REGCACHE_FLAT,
>>> -	.writeable_reg = nvsw_sn2201_writeable_reg,
>>> -	.readable_reg = nvsw_sn2201_readable_reg,
>>> -	.volatile_reg = nvsw_sn2201_volatile_reg,
>>> -	.reg_defaults = nvsw_sn2201_regmap_default,
>>> -	.num_reg_defaults = ARRAY_SIZE(nvsw_sn2201_regmap_default),
>>> -};
>>> -
>>> -/* Regions for LPC I2C controller and LPC base register space. */
>>> -static const struct resource nvsw_sn2201_lpc_io_resources[] = {
>>> -	[0] =
>> DEFINE_RES_NAMED(NVSW_SN2201_CPLD_LPC_I2C_BASE_ADRR,
>>> -			       NVSW_SN2201_CPLD_LPC_IO_RANGE,
>>> -			       "mlxplat_cpld_lpc_i2c_ctrl", IORESOURCE_IO),
>>> -};
>>> -
>>> -static struct resource nvsw_sn2201_cpld_res[] = {
>>> -	[0] = DEFINE_RES_IRQ_NAMED(NVSW_SN2201_CPLD_SYSIRQ,
>> "mlxreg-hotplug"),
>>> -};
>>> -
>>> -static struct resource nvsw_sn2201_lpc_res[] = {
>>> -	[0] = DEFINE_RES_IRQ_NAMED(NVSW_SN2201_LPC_SYSIRQ, "i2c-
>> mlxcpld"),
>>> -};
>>> -
>>> -/* SN2201 I2C platform data. */
>>> -struct mlxreg_core_hotplug_platform_data nvsw_sn2201_i2c_data = {
>>> -	.irq = NVSW_SN2201_CPLD_SYSIRQ,
>>> -};
>>> -
>>> -/* SN2201 CPLD device. */
>>> -static struct i2c_board_info nvsw_sn2201_cpld_devices[] = {
>>> -	{
>>> -		I2C_BOARD_INFO("nvsw-sn2201", 0x41),
>>> -	},
>>> -};
>>> -
>>> -/* SN2201 CPLD board info. */
>>> -static struct mlxreg_hotplug_device nvsw_sn2201_cpld_brdinfo[] = {
>>> -	{
>>> -		.brdinfo = &nvsw_sn2201_cpld_devices[0],
>>> -		.nr = NVSW_SN2201_CPLD_NR,
>>> -	},
>>> -};
>>> -
>>> -/* SN2201 main mux device. */
>>> -static struct i2c_board_info nvsw_sn2201_main_mux_devices[] = {
>>> -	{
>>> -		I2C_BOARD_INFO("pca9548", 0x70),
>>> -	},
>>> -};
>>> -
>>> -/* SN2201 main mux board info. */
>>> -static struct mlxreg_hotplug_device nvsw_sn2201_main_mux_brdinfo[] = {
>>> -	{
>>> -		.brdinfo = &nvsw_sn2201_main_mux_devices[0],
>>> -		.nr = NVSW_SN2201_MAIN_MUX_NR,
>>> -	},
>>> -};
>>> -
>>> -/* SN2201 power devices. */
>>> -static struct i2c_board_info nvsw_sn2201_pwr_devices[] = {
>>> -	{
>>> -		I2C_BOARD_INFO("pmbus", 0x58),
>>> -	},
>>> -	{
>>> -		I2C_BOARD_INFO("pmbus", 0x58),
>>> -	},
>>> -};
>>> -
>>> -/* SN2201 fan devices. */
>>> -static struct i2c_board_info nvsw_sn2201_fan_devices[] = {
>>> -	{
>>> -		I2C_BOARD_INFO("24c02", 0x50),
>>> -	},
>>> -	{
>>> -		I2C_BOARD_INFO("24c02", 0x51),
>>> -	},
>>> -	{
>>> -		I2C_BOARD_INFO("24c02", 0x52),
>>> -	},
>>> -	{
>>> -		I2C_BOARD_INFO("24c02", 0x53),
>>> -	},
>>> -};
>>> -
>>> -/* SN2201 hotplug default data. */
>>> -static struct mlxreg_core_data nvsw_sn2201_psu_items_data[] = {
>>> -	{
>>> -		.label = "psu1",
>>> -		.reg = NVSW_SN2201_PS_PRSNT_STATUS_OFFSET,
>>> -		.mask = BIT(0),
>>> -		.hpdev.nr = NVSW_SN2201_NR_NONE,
>>> -	},
>>> -	{
>>> -		.label = "psu2",
>>> -		.reg = NVSW_SN2201_PS_PRSNT_STATUS_OFFSET,
>>> -		.mask = BIT(1),
>>> -		.hpdev.nr = NVSW_SN2201_NR_NONE,
>>> -	},
>>> -};
>>> -
>>> -static struct mlxreg_core_data nvsw_sn2201_pwr_items_data[] = {
>>> -	{
>>> -		.label = "pwr1",
>>> -		.reg = NVSW_SN2201_PS_DC_OK_STATUS_OFFSET,
>>> -		.mask = BIT(0),
>>> -		.hpdev.brdinfo = &nvsw_sn2201_pwr_devices[0],
>>> -		.hpdev.nr = NVSW_SN2201_MAIN_MUX_CH1_NR,
>>> -	},
>>> -	{
>>> -		.label = "pwr2",
>>> -		.reg = NVSW_SN2201_PS_DC_OK_STATUS_OFFSET,
>>> -		.mask = BIT(1),
>>> -		.hpdev.brdinfo = &nvsw_sn2201_pwr_devices[1],
>>> -		.hpdev.nr = NVSW_SN2201_MAIN_MUX_CH2_NR,
>>> -	},
>>> -};
>>> -
>>> -static struct mlxreg_core_data nvsw_sn2201_fan_items_data[] = {
>>> -	{
>>> -		.label = "fan1",
>>> -		.reg = NVSW_SN2201_FAN_PRSNT_STATUS_OFFSET,
>>> -		.mask = BIT(0),
>>> -		.hpdev.brdinfo = &nvsw_sn2201_fan_devices[0],
>>> -		.hpdev.nr = NVSW_SN2201_NR_NONE,
>>> -	},
>>> -	{
>>> -		.label = "fan2",
>>> -		.reg = NVSW_SN2201_FAN_PRSNT_STATUS_OFFSET,
>>> -		.mask = BIT(1),
>>> -		.hpdev.brdinfo = &nvsw_sn2201_fan_devices[1],
>>> -		.hpdev.nr = NVSW_SN2201_NR_NONE,
>>> -	},
>>> -	{
>>> -		.label = "fan3",
>>> -		.reg = NVSW_SN2201_FAN_PRSNT_STATUS_OFFSET,
>>> -		.mask = BIT(2),
>>> -		.hpdev.brdinfo = &nvsw_sn2201_fan_devices[2],
>>> -		.hpdev.nr = NVSW_SN2201_NR_NONE,
>>> -	},
>>> -	{
>>> -		.label = "fan4",
>>> -		.reg = NVSW_SN2201_FAN_PRSNT_STATUS_OFFSET,
>>> -		.mask = BIT(3),
>>> -		.hpdev.brdinfo = &nvsw_sn2201_fan_devices[3],
>>> -		.hpdev.nr = NVSW_SN2201_NR_NONE,
>>> -	},
>>> -};
>>> -
>>> -static struct mlxreg_core_data nvsw_sn2201_sys_items_data[] = {
>>> -	{
>>> -		.label = "nic_smb_alert",
>>> -		.reg = NVSW_SN2201_ASIC_STATUS_OFFSET,
>>> -		.mask = BIT(1),
>>> -		.hpdev.nr = NVSW_SN2201_NR_NONE,
>>> -	},
>>> -	{
>>> -		.label = "cpu_sd",
>>> -		.reg = NVSW_SN2201_ASIC_STATUS_OFFSET,
>>> -		.mask = BIT(2),
>>> -		.hpdev.nr = NVSW_SN2201_NR_NONE,
>>> -	},
>>> -	{
>>> -		.label = "mac_health",
>>> -		.reg = NVSW_SN2201_ASIC_STATUS_OFFSET,
>>> -		.mask = BIT(3),
>>> -		.hpdev.nr = NVSW_SN2201_NR_NONE,
>>> -	},
>>> -};
>>> -
>>> -static struct mlxreg_core_item nvsw_sn2201_items[] = {
>>> -	{
>>> -		.data = nvsw_sn2201_psu_items_data,
>>> -		.aggr_mask = NVSW_SN2201_CPLD_AGGR_PSU_MASK_DEF,
>>> -		.reg = NVSW_SN2201_PS_PRSNT_STATUS_OFFSET,
>>> -		.mask = NVSW_SN2201_CPLD_PSU_MASK,
>>> -		.count = ARRAY_SIZE(nvsw_sn2201_psu_items_data),
>>> -		.inversed = 1,
>>> -		.health = false,
>>> -	},
>>> -	{
>>> -		.data = nvsw_sn2201_pwr_items_data,
>>> -		.aggr_mask = NVSW_SN2201_CPLD_AGGR_PWR_MASK_DEF,
>>> -		.reg = NVSW_SN2201_PS_DC_OK_STATUS_OFFSET,
>>> -		.mask = NVSW_SN2201_CPLD_PWR_MASK,
>>> -		.count = ARRAY_SIZE(nvsw_sn2201_pwr_items_data),
>>> -		.inversed = 0,
>>> -		.health = false,
>>> -	},
>>> -	{
>>> -		.data = nvsw_sn2201_fan_items_data,
>>> -		.aggr_mask = NVSW_SN2201_CPLD_AGGR_FAN_MASK_DEF,
>>> -		.reg = NVSW_SN2201_FAN_PRSNT_STATUS_OFFSET,
>>> -		.mask = NVSW_SN2201_CPLD_FAN_MASK,
>>> -		.count = ARRAY_SIZE(nvsw_sn2201_fan_items_data),
>>> -		.inversed = 1,
>>> -		.health = false,
>>> -	},
>>> -	{
>>> -		.data = nvsw_sn2201_sys_items_data,
>>> -		.aggr_mask = NVSW_SN2201_CPLD_AGGR_ASIC_MASK_DEF,
>>> -		.reg = NVSW_SN2201_ASIC_STATUS_OFFSET,
>>> -		.mask = NVSW_SN2201_CPLD_ASIC_MASK,
>>> -		.count = ARRAY_SIZE(nvsw_sn2201_sys_items_data),
>>> -		.inversed = 1,
>>> -		.health = false,
>>> -	},
>>> -};
>>> -
>>> -static
>>> -struct mlxreg_core_hotplug_platform_data nvsw_sn2201_hotplug = {
>>> -	.items = nvsw_sn2201_items,
>>> -	.counter = ARRAY_SIZE(nvsw_sn2201_items),
>>> -	.cell = NVSW_SN2201_SYS_INT_STATUS_OFFSET,
>>> -	.mask = NVSW_SN2201_CPLD_AGGR_MASK_DEF,
>>> -};
>>> -
>>> -/* SN2201 static devices. */
>>> -static struct i2c_board_info nvsw_sn2201_static_devices[] = {
>>> -	{
>>> -		I2C_BOARD_INFO("24c02", 0x57),
>>> -	},
>>> -	{
>>> -		I2C_BOARD_INFO("lm75", 0x4b),
>>> -	},
>>> -	{
>>> -		I2C_BOARD_INFO("24c64", 0x56),
>>> -	},
>>> -	{
>>> -		I2C_BOARD_INFO("ads1015", 0x49),
>>> -	},
>>> -	{
>>> -		I2C_BOARD_INFO("pca9546", 0x71),
>>> -	},
>>> -	{
>>> -		I2C_BOARD_INFO("emc2305", 0x4d),
>>> -	},
>>> -	{
>>> -		I2C_BOARD_INFO("lm75", 0x49),
>>> -	},
>>> -	{
>>> -		I2C_BOARD_INFO("pca9555", 0x27),
>>> -	},
>>> -	{
>>> -		I2C_BOARD_INFO("powr1014", 0x37),
>>> -	},
>>> -	{
>>> -		I2C_BOARD_INFO("lm75", 0x4f),
>>> -	},
>>> -	{
>>> -		I2C_BOARD_INFO("pmbus", 0x40),
>>> -	},
>>> -};
>>> -
>>> -/* SN2201 default static board info. */
>>> -static struct mlxreg_hotplug_device nvsw_sn2201_static_brdinfo[] = {
>>> -	{
>>> -		.brdinfo = &nvsw_sn2201_static_devices[0],
>>> -		.nr = NVSW_SN2201_MAIN_NR,
>>> -	},
>>> -	{
>>> -		.brdinfo = &nvsw_sn2201_static_devices[1],
>>> -		.nr = NVSW_SN2201_MAIN_MUX_CH0_NR,
>>> -	},
>>> -	{
>>> -		.brdinfo = &nvsw_sn2201_static_devices[2],
>>> -		.nr = NVSW_SN2201_MAIN_MUX_CH0_NR,
>>> -	},
>>> -	{
>>> -		.brdinfo = &nvsw_sn2201_static_devices[3],
>>> -		.nr = NVSW_SN2201_MAIN_MUX_CH0_NR,
>>> -	},
>>> -	{
>>> -		.brdinfo = &nvsw_sn2201_static_devices[4],
>>> -		.nr = NVSW_SN2201_MAIN_MUX_CH3_NR,
>>> -	},
>>> -	{
>>> -		.brdinfo = &nvsw_sn2201_static_devices[5],
>>> -		.nr = NVSW_SN2201_MAIN_MUX_CH5_NR,
>>> -	},
>>> -	{
>>> -		.brdinfo = &nvsw_sn2201_static_devices[6],
>>> -		.nr = NVSW_SN2201_MAIN_MUX_CH5_NR,
>>> -	},
>>> -	{
>>> -		.brdinfo = &nvsw_sn2201_static_devices[7],
>>> -		.nr = NVSW_SN2201_MAIN_MUX_CH5_NR,
>>> -	},
>>> -	{
>>> -		.brdinfo = &nvsw_sn2201_static_devices[8],
>>> -		.nr = NVSW_SN2201_MAIN_MUX_CH6_NR,
>>> -	},
>>> -	{
>>> -		.brdinfo = &nvsw_sn2201_static_devices[9],
>>> -		.nr = NVSW_SN2201_MAIN_MUX_CH6_NR,
>>> -	},
>>> -	{
>>> -		.brdinfo = &nvsw_sn2201_static_devices[10],
>>> -		.nr = NVSW_SN2201_MAIN_MUX_CH7_NR,
>>> -	},
>>> -};
>>> -
>>> -/* LED default data. */
>>> -static struct mlxreg_core_data nvsw_sn2201_led_data[] = {
>>> -	{
>>> -		.label = "status:green",
>>> -		.reg = NVSW_SN2201_FRONT_SYS_LED_CTRL_OFFSET,
>>> -		.mask = GENMASK(7, 4),
>>> -	},
>>> -	{
>>> -		.label = "status:orange",
>>> -		.reg = NVSW_SN2201_FRONT_SYS_LED_CTRL_OFFSET,
>>> -		.mask = GENMASK(7, 4),
>>> -	},
>>> -	{
>>> -		.label = "psu:green",
>>> -		.reg = NVSW_SN2201_FRONT_PSU_LED_CTRL_OFFSET,
>>> -		.mask = GENMASK(7, 4),
>>> -	},
>>> -	{
>>> -		.label = "psu:orange",
>>> -		.reg = NVSW_SN2201_FRONT_PSU_LED_CTRL_OFFSET,
>>> -		.mask = GENMASK(7, 4),
>>> -	},
>>> -	{
>>> -		.label = "uid:blue",
>>> -		.reg = NVSW_SN2201_FRONT_UID_LED_CTRL_OFFSET,
>>> -		.mask = GENMASK(7, 4),
>>> -	},
>>> -	{
>>> -		.label = "fan1:green",
>>> -		.reg = NVSW_SN2201_FAN_LED1_CTRL_OFFSET,
>>> -		.mask = GENMASK(7, 4),
>>> -	},
>>> -	{
>>> -		.label = "fan1:orange",
>>> -		.reg = NVSW_SN2201_FAN_LED1_CTRL_OFFSET,
>>> -		.mask = GENMASK(7, 4),
>>> -	},
>>> -	{
>>> -		.label = "fan2:green",
>>> -		.reg = NVSW_SN2201_FAN_LED1_CTRL_OFFSET,
>>> -		.mask = GENMASK(3, 0),
>>> -	},
>>> -	{
>>> -		.label = "fan2:orange",
>>> -		.reg = NVSW_SN2201_FAN_LED1_CTRL_OFFSET,
>>> -		.mask = GENMASK(3, 0),
>>> -	},
>>> -	{
>>> -		.label = "fan3:green",
>>> -		.reg = NVSW_SN2201_FAN_LED2_CTRL_OFFSET,
>>> -		.mask = GENMASK(7, 4),
>>> -	},
>>> -	{
>>> -		.label = "fan3:orange",
>>> -		.reg = NVSW_SN2201_FAN_LED2_CTRL_OFFSET,
>>> -		.mask = GENMASK(7, 4),
>>> -	},
>>> -	{
>>> -		.label = "fan4:green",
>>> -		.reg = NVSW_SN2201_FAN_LED2_CTRL_OFFSET,
>>> -		.mask = GENMASK(3, 0),
>>> -	},
>>> -	{
>>> -		.label = "fan4:orange",
>>> -		.reg = NVSW_SN2201_FAN_LED2_CTRL_OFFSET,
>>> -		.mask = GENMASK(3, 0),
>>> -	},
>>> -};
>>> -
>>> -static struct mlxreg_core_platform_data nvsw_sn2201_led = {
>>> -	.data = nvsw_sn2201_led_data,
>>> -	.counter = ARRAY_SIZE(nvsw_sn2201_led_data),
>>> -};
>>> -
>>> -/* Default register access data. */
>>> -static struct mlxreg_core_data nvsw_sn2201_io_data[] = {
>>> -	{
>>> -		.label = "cpld1_version",
>>> -		.reg = NVSW_SN2201_CPLD_VER_OFFSET,
>>> -		.bit = GENMASK(7, 0),
>>> -		.mode = 0444,
>>> -	},
>>> -	{
>>> -		.label = "cpld1_version_min",
>>> -		.reg = NVSW_SN2201_CPLD_MVER_OFFSET,
>>> -		.bit = GENMASK(7, 0),
>>> -		.mode = 0444,
>>> -	},
>>> -	{
>>> -		.label = "cpld1_pn",
>>> -		.reg = NVSW_SN2201_CPLD_PN_OFFSET,
>>> -		.bit = GENMASK(15, 0),
>>> -		.mode = 0444,
>>> -		.regnum = 2,
>>> -	},
>>> -	{
>>> -		.label = "psu1_on",
>>> -		.reg = NVSW_SN2201_PSU_CTRL_OFFSET,
>>> -		.mask = GENMASK(7, 0) & ~BIT(0),
>>> -		.mode = 0644,
>>> -	},
>>> -	{
>>> -		.label = "psu2_on",
>>> -		.reg = NVSW_SN2201_PSU_CTRL_OFFSET,
>>> -		.mask = GENMASK(7, 0) & ~BIT(1),
>>> -		.mode = 0644,
>>> -	},
>>> -	{
>>> -		.label = "pwr_cycle",
>>> -		.reg = NVSW_SN2201_PSU_CTRL_OFFSET,
>>> -		.mask = GENMASK(7, 0) & ~BIT(2),
>>> -		.mode = 0644,
>>> -	},
>>> -	{
>>> -		.label = "asic_health",
>>> -		.reg = NVSW_SN2201_SYS_STATUS_OFFSET,
>>> -		.mask = GENMASK(4, 3),
>>> -		.bit = 4,
>>> -		.mode = 0444,
>>> -	},
>>> -	{
>>> -		.label = "qsfp_pwr_good",
>>> -		.reg = NVSW_SN2201_SYS_STATUS_OFFSET,
>>> -		.mask = GENMASK(7, 0) & ~BIT(0),
>>> -		.mode = 0444,
>>> -	},
>>> -	{
>>> -		.label = "phy_reset",
>>> -		.reg = NVSW_SN2201_SYS_RST_STATUS_OFFSET,
>>> -		.mask = GENMASK(7, 0) & ~BIT(3),
>>> -		.mode = 0644,
>>> -	},
>>> -	{
>>> -		.label = "mac_reset",
>>> -		.reg = NVSW_SN2201_SYS_RST_STATUS_OFFSET,
>>> -		.mask = GENMASK(7, 0) & ~BIT(2),
>>> -		.mode = 0644,
>>> -	},
>>> -	{
>>> -		.label = "pwr_down",
>>> -		.reg = NVSW_SN2201_RST_SW_CTRL_OFFSET,
>>> -		.mask = GENMASK(7, 0) & ~BIT(0),
>>> -		.mode = 0644,
>>> -	},
>>> -	{
>>> -		.label = "reset_long_pb",
>>> -		.reg = NVSW_SN2201_RST_CAUSE1_OFFSET,
>>> -		.mask = GENMASK(7, 0) & ~BIT(0),
>>> -		.mode = 0444,
>>> -	},
>>> -	{
>>> -		.label = "reset_short_pb",
>>> -		.reg = NVSW_SN2201_RST_CAUSE1_OFFSET,
>>> -		.mask = GENMASK(7, 0) & ~BIT(1),
>>> -		.mode = 0444,
>>> -	},
>>> -	{
>>> -		.label = "reset_aux_pwr_or_fu",
>>> -		.reg = NVSW_SN2201_RST_CAUSE1_OFFSET,
>>> -		.mask = GENMASK(7, 0) & ~BIT(2),
>>> -		.mode = 0444,
>>> -	},
>>> -	{
>>> -		.label = "reset_swb_dc_dc_pwr_fail",
>>> -		.reg = NVSW_SN2201_RST_CAUSE1_OFFSET,
>>> -		.mask = GENMASK(7, 0) & ~BIT(3),
>>> -		.mode = 0444,
>>> -	},
>>> -	{
>>> -		.label = "reset_sw_reset",
>>> -		.reg = NVSW_SN2201_RST_CAUSE1_OFFSET,
>>> -		.mask = GENMASK(7, 0) & ~BIT(4),
>>> -		.mode = 0444,
>>> -	},
>>> -	{
>>> -		.label = "reset_fw_reset",
>>> -		.reg = NVSW_SN2201_RST_CAUSE1_OFFSET,
>>> -		.mask = GENMASK(7, 0) & ~BIT(5),
>>> -		.mode = 0444,
>>> -	},
>>> -	{
>>> -		.label = "reset_swb_wd",
>>> -		.reg = NVSW_SN2201_RST_CAUSE1_OFFSET,
>>> -		.mask = GENMASK(7, 0) & ~BIT(6),
>>> -		.mode = 0444,
>>> -	},
>>> -	{
>>> -		.label = "reset_asic_thermal",
>>> -		.reg = NVSW_SN2201_RST_CAUSE1_OFFSET,
>>> -		.mask = GENMASK(7, 0) & ~BIT(7),
>>> -		.mode = 0444,
>>> -	},
>>> -	{
>>> -		.label = "reset_system",
>>> -		.reg = NVSW_SN2201_RST_CAUSE2_OFFSET,
>>> -		.mask = GENMASK(7, 0) & ~BIT(1),
>>> -		.mode = 0444,
>>> -	},
>>> -	{
>>> -		.label = "reset_sw_pwr_off",
>>> -		.reg = NVSW_SN2201_RST_CAUSE2_OFFSET,
>>> -		.mask = GENMASK(7, 0) & ~BIT(2),
>>> -		.mode = 0444,
>>> -	},
>>> -	{
>>> -		.label = "reset_cpu_pwr_fail_thermal",
>>> -		.reg = NVSW_SN2201_RST_CAUSE2_OFFSET,
>>> -		.mask = GENMASK(7, 0) & ~BIT(4),
>>> -		.mode = 0444,
>>> -	},
>>> -	{
>>> -		.label = "reset_reload_bios",
>>> -		.reg = NVSW_SN2201_RST_CAUSE2_OFFSET,
>>> -		.mask = GENMASK(7, 0) & ~BIT(5),
>>> -		.mode = 0444,
>>> -	},
>>> -	{
>>> -		.label = "reset_ac_pwr_fail",
>>> -		.reg = NVSW_SN2201_RST_CAUSE2_OFFSET,
>>> -		.mask = GENMASK(7, 0) & ~BIT(6),
>>> -		.mode = 0444,
>>> -	},
>>> -	{
>>> -		.label = "psu1",
>>> -		.reg = NVSW_SN2201_PS_PRSNT_STATUS_OFFSET,
>>> -		.mask = GENMASK(7, 0) & ~BIT(0),
>>> -		.mode = 0444,
>>> -	},
>>> -	{
>>> -		.label = "psu2",
>>> -		.reg = NVSW_SN2201_PS_PRSNT_STATUS_OFFSET,
>>> -		.mask = GENMASK(7, 0) & ~BIT(1),
>>> -		.mode = 0444,
>>> -	},
>>> -};
>>> -
>>> -static struct mlxreg_core_platform_data nvsw_sn2201_regs_io = {
>>> -	.data = nvsw_sn2201_io_data,
>>> -	.counter = ARRAY_SIZE(nvsw_sn2201_io_data),
>>> -};
>>> -
>>> -/* Default watchdog data. */
>>> -static struct mlxreg_core_data nvsw_sn2201_wd_data[] = {
>>> -	{
>>> -		.label = "action",
>>> -		.reg = NVSW_SN2201_WD_ACT_OFFSET,
>>> -		.mask = GENMASK(7, 1),
>>> -		.bit = 0,
>>> -	},
>>> -	{
>>> -		.label = "timeout",
>>> -		.reg = NVSW_SN2201_WD_TMR_OFFSET_LSB,
>>> -		.mask = 0,
>>> -		.health_cntr = NVSW_SN2201_WD_DFLT_TIMEOUT,
>>> -	},
>>> -	{
>>> -		.label = "timeleft",
>>> -		.reg = NVSW_SN2201_WD_TMR_OFFSET_LSB,
>>> -		.mask = 0,
>>> -	},
>>> -	{
>>> -		.label = "ping",
>>> -		.reg = NVSW_SN2201_WD_ACT_OFFSET,
>>> -		.mask = GENMASK(7, 1),
>>> -		.bit = 0,
>>> -	},
>>> -	{
>>> -		.label = "reset",
>>> -		.reg = NVSW_SN2201_RST_CAUSE1_OFFSET,
>>> -		.mask = GENMASK(7, 0) & ~BIT(6),
>>> -		.bit = 6,
>>> -	},
>>> -};
>>> -
>>> -static struct mlxreg_core_platform_data nvsw_sn2201_wd = {
>>> -	.data = nvsw_sn2201_wd_data,
>>> -	.counter = ARRAY_SIZE(nvsw_sn2201_wd_data),
>>> -	.version = MLX_WDT_TYPE3,
>>> -	.identity = "mlx-wdt-main",
>>> -};
>>> -
>>> -static int
>>> -nvsw_sn2201_create_static_devices(struct nvsw_sn2201 *nvsw_sn2201,
>>> -				  struct mlxreg_hotplug_device *devs,
>>> -				  int size)
>>> -{
>>> -	struct mlxreg_hotplug_device *dev = devs;
>>> -	int i;
>>> -
>>> -	/* Create I2C static devices. */
>>> -	for (i = 0; i < size; i++, dev++) {
>>> -		dev->client = i2c_new_client_device(dev->adapter, dev-
>>> brdinfo);
>>> -		if (IS_ERR(dev->client)) {
>>> -			dev_err(nvsw_sn2201->dev, "Failed to create client
>> %s at bus %d at addr 0x%02x\n",
>>> -				dev->brdinfo->type,
>>> -				dev->nr, dev->brdinfo->addr);
>>> -
>>> -			dev->adapter = NULL;
>>> -			goto fail_create_static_devices;
>>> -		}
>>> -	}
>>> -
>>> -	return 0;
>>> -
>>> -fail_create_static_devices:
>>> -	while (--i >= 0) {
>>> -		dev = devs + i;
>>> -		i2c_unregister_device(dev->client);
>>> -		dev->client = NULL;
>>> -		dev->adapter = NULL;
>>> -	}
>>> -	return IS_ERR(dev->client);
>>> -}
>>> -
>>> -static void nvsw_sn2201_destroy_static_devices(struct nvsw_sn2201
>> *nvsw_sn2201,
>>> -					       struct mlxreg_hotplug_device
>> *devs, int size)
>>> -{
>>> -	struct mlxreg_hotplug_device *dev = devs;
>>> -	int i;
>>> -
>>> -	/* Destroy static I2C device for SN2201 static devices. */
>>> -	for (i = 0; i < size; i++, dev++) {
>>> -		if (dev->client) {
>>> -			i2c_unregister_device(dev->client);
>>> -			dev->client = NULL;
>>> -			i2c_put_adapter(dev->adapter);
>>> -			dev->adapter = NULL;
>>> -		}
>>> -	}
>>> -}
>>> -
>>> -static int nvsw_sn2201_config_post_init(struct nvsw_sn2201
>> *nvsw_sn2201)
>>> -{
>>> -	struct mlxreg_hotplug_device *sn2201_dev;
>>> -	struct i2c_adapter *adap;
>>> -	struct device *dev;
>>> -	int i, j, err;
>>> -
>>> -	dev = nvsw_sn2201->dev;
>>> -	adap = i2c_get_adapter(nvsw_sn2201->main_mux_deferred_nr);
>>> -	if (!adap) {
>>> -		dev_err(dev, "Failed to get adapter for bus %d\n",
>>> -			nvsw_sn2201->main_mux_deferred_nr);
>>> -		return -ENODEV;
>>> -	}
>>> -	i2c_put_adapter(adap);
>>> -
>>> -	/* Update board info. */
>>> -	sn2201_dev = nvsw_sn2201->sn2201_devs;
>>> -	for (i = 0, j = 0; i < nvsw_sn2201->sn2201_devs_num; i++,
>> sn2201_dev++) {
>>> -		sn2201_dev->adapter = i2c_get_adapter(sn2201_dev->nr);
>>> -		if (!sn2201_dev->adapter)
>>> -			return -ENODEV;
>>> -		i2c_put_adapter(sn2201_dev->adapter);
>>> -	}
>>> -
>>> -	err = nvsw_sn2201_create_static_devices(nvsw_sn2201,
>> nvsw_sn2201->sn2201_devs,
>>> -						nvsw_sn2201-
>>> sn2201_devs_num);
>>> -	if (err)
>>> -		dev_err(dev, "Failed to create static devices\n");
>>> -
>>> -	return err;
>>> -}
>>> -
>>> -static int nvsw_sn2201_config_init(struct nvsw_sn2201 *nvsw_sn2201,
>> void *regmap)
>>> -{
>>> -	struct device *dev = nvsw_sn2201->dev;
>>> -	int err;
>>> -
>>> -	nvsw_sn2201->io_data = &nvsw_sn2201_regs_io;
>>> -	nvsw_sn2201->led_data = &nvsw_sn2201_led;
>>> -	nvsw_sn2201->wd_data = &nvsw_sn2201_wd;
>>> -	nvsw_sn2201->hotplug_data = &nvsw_sn2201_hotplug;
>>> -
>>> -	/* Register IO access driver. */
>>> -	if (nvsw_sn2201->io_data) {
>>> -		nvsw_sn2201->io_data->regmap = regmap;
>>> -		nvsw_sn2201->io_regs =
>>> -		platform_device_register_resndata(dev, "mlxreg-io",
>> PLATFORM_DEVID_NONE, NULL, 0,
>>> -						  nvsw_sn2201->io_data,
>>> -						  sizeof(*nvsw_sn2201-
>>> io_data));
>>> -		if (IS_ERR(nvsw_sn2201->io_regs)) {
>>> -			err = PTR_ERR(nvsw_sn2201->io_regs);
>>> -			goto fail_register_io;
>>> -		}
>>> -	}
>>> -
>>> -	/* Register LED driver. */
>>> -	if (nvsw_sn2201->led_data) {
>>> -		nvsw_sn2201->led_data->regmap = regmap;
>>> -		nvsw_sn2201->led =
>>> -		platform_device_register_resndata(dev, "leds-mlxreg",
>> PLATFORM_DEVID_NONE, NULL, 0,
>>> -						  nvsw_sn2201->led_data,
>>> -						  sizeof(*nvsw_sn2201-
>>> led_data));
>>> -		if (IS_ERR(nvsw_sn2201->led)) {
>>> -			err = PTR_ERR(nvsw_sn2201->led);
>>> -			goto fail_register_led;
>>> -		}
>>> -	}
>>> -
>>> -	/* Register WD driver. */
>>> -	if (nvsw_sn2201->wd_data) {
>>> -		nvsw_sn2201->wd_data->regmap = regmap;
>>> -		nvsw_sn2201->wd =
>>> -		platform_device_register_resndata(dev, "mlx-wdt",
>> PLATFORM_DEVID_NONE, NULL, 0,
>>> -						  nvsw_sn2201->wd_data,
>>> -						  sizeof(*nvsw_sn2201-
>>> wd_data));
>>> -		if (IS_ERR(nvsw_sn2201->wd)) {
>>> -			err = PTR_ERR(nvsw_sn2201->wd);
>>> -			goto fail_register_wd;
>>> -		}
>>> -	}
>>> -
>>> -	/* Register hotplug driver. */
>>> -	if (nvsw_sn2201->hotplug_data) {
>>> -		nvsw_sn2201->hotplug_data->regmap = regmap;
>>> -		nvsw_sn2201->pdev_hotplug =
>>> -		platform_device_register_resndata(dev, "mlxreg-hotplug",
>> PLATFORM_DEVID_NONE,
>>> -						  nvsw_sn2201_cpld_res,
>>> -
>> ARRAY_SIZE(nvsw_sn2201_cpld_res),
>>> -						  nvsw_sn2201-
>>> hotplug_data,
>>> -						  sizeof(*nvsw_sn2201-
>>> hotplug_data));
>>> -		if (IS_ERR(nvsw_sn2201->pdev_hotplug)) {
>>> -			err = PTR_ERR(nvsw_sn2201->pdev_hotplug);
>>> -			goto fail_register_hotplug;
>>> -		}
>>> -	}
>>> -
>>> -	return nvsw_sn2201_config_post_init(nvsw_sn2201);
>>> -
>>> -fail_register_hotplug:
>>> -	if (nvsw_sn2201->wd)
>>> -		platform_device_unregister(nvsw_sn2201->wd);
>>> -fail_register_wd:
>>> -	if (nvsw_sn2201->led)
>>> -		platform_device_unregister(nvsw_sn2201->led);
>>> -fail_register_led:
>>> -	if (nvsw_sn2201->io_regs)
>>> -		platform_device_unregister(nvsw_sn2201->io_regs);
>>> -fail_register_io:
>>> -
>>> -	return err;
>>> -}
>>> -
>>> -static void nvsw_sn2201_config_exit(struct nvsw_sn2201 *nvsw_sn2201)
>>> -{
>>> -	/* Unregister hotplug driver. */
>>> -	if (nvsw_sn2201->pdev_hotplug)
>>> -		platform_device_unregister(nvsw_sn2201->pdev_hotplug);
>>> -	/* Unregister WD driver. */
>>> -	if (nvsw_sn2201->wd)
>>> -		platform_device_unregister(nvsw_sn2201->wd);
>>> -	/* Unregister LED driver. */
>>> -	if (nvsw_sn2201->led)
>>> -		platform_device_unregister(nvsw_sn2201->led);
>>> -	/* Unregister IO access driver. */
>>> -	if (nvsw_sn2201->io_regs)
>>> -		platform_device_unregister(nvsw_sn2201->io_regs);
>>> -}
>>> -
>>> -/*
>>> - * Initialization is divided into two parts:
>>> - * - I2C main bus init.
>>> - * - Mux creation and attaching devices to the mux,
>>> - *   which assumes that the main bus is already created.
>>> - * This separation is required for synchronization between these two
>> parts.
>>> - * Completion notify callback is used to make this flow synchronized.
>>> - */
>>> -static int nvsw_sn2201_i2c_completion_notify(void *handle, int id)
>>> -{
>>> -	struct nvsw_sn2201 *nvsw_sn2201 = handle;
>>> -	void *regmap;
>>> -	int i, err;
>>> -
>>> -	/* Create main mux. */
>>> -	nvsw_sn2201->main_mux_devs->adapter =
>> i2c_get_adapter(nvsw_sn2201->main_mux_devs->nr);
>>> -	if (!nvsw_sn2201->main_mux_devs->adapter) {
>>> -		err = -ENODEV;
>>> -		dev_err(nvsw_sn2201->dev, "Failed to get adapter for bus
>> %d\n",
>>> -			nvsw_sn2201->cpld_devs->nr);
>>> -		goto i2c_get_adapter_main_fail;
>>> -	}
>>> -
>>> -	nvsw_sn2201->main_mux_devs_num =
>> ARRAY_SIZE(nvsw_sn2201_main_mux_brdinfo);
>>> -	err = nvsw_sn2201_create_static_devices(nvsw_sn2201,
>> nvsw_sn2201->main_mux_devs,
>>> -						nvsw_sn2201-
>>> main_mux_devs_num);
>>> -	if (err) {
>>> -		dev_err(nvsw_sn2201->dev, "Failed to create main mux
>> devices\n");
>>> -		goto nvsw_sn2201_create_static_devices_fail;
>>> -	}
>>> -
>>> -	nvsw_sn2201->cpld_devs->adapter = i2c_get_adapter(nvsw_sn2201-
>>> cpld_devs->nr);
>>> -	if (!nvsw_sn2201->cpld_devs->adapter) {
>>> -		err = -ENODEV;
>>> -		dev_err(nvsw_sn2201->dev, "Failed to get adapter for bus
>> %d\n",
>>> -			nvsw_sn2201->cpld_devs->nr);
>>> -		goto i2c_get_adapter_fail;
>>> -	}
>>> -
>>> -	/* Create CPLD device. */
>>> -	nvsw_sn2201->cpld_devs->client =
>> i2c_new_dummy_device(nvsw_sn2201->cpld_devs->adapter,
>>> -
>> NVSW_SN2201_CPLD_I2CADDR);
>>> -	if (IS_ERR(nvsw_sn2201->cpld_devs->client)) {
>>> -		err = PTR_ERR(nvsw_sn2201->cpld_devs->client);
>>> -		dev_err(nvsw_sn2201->dev, "Failed to create %s cpld device
>> at bus %d at addr 0x%02x\n",
>>> -			nvsw_sn2201->cpld_devs->brdinfo->type,
>> nvsw_sn2201->cpld_devs->nr,
>>> -			nvsw_sn2201->cpld_devs->brdinfo->addr);
>>> -		goto i2c_new_dummy_fail;
>>> -	}
>>> -
>>> -	regmap = devm_regmap_init_i2c(nvsw_sn2201->cpld_devs->client,
>> &nvsw_sn2201_regmap_conf);
>>> -	if (IS_ERR(regmap)) {
>>> -		err = PTR_ERR(regmap);
>>> -		dev_err(nvsw_sn2201->dev, "Failed to initialise managed
>> register map\n");
>>> -		goto devm_regmap_init_i2c_fail;
>>> -	}
>>> -
>>> -	/* Set default registers. */
>>> -	for (i = 0; i < nvsw_sn2201_regmap_conf.num_reg_defaults; i++) {
>>> -		err = regmap_write(regmap,
>> nvsw_sn2201_regmap_default[i].reg,
>>> -				   nvsw_sn2201_regmap_default[i].def);
>>> -		if (err) {
>>> -			dev_err(nvsw_sn2201->dev, "Failed to set register at
>> offset 0x%02x to default value: 0x%02x\n",
>>> -				nvsw_sn2201_regmap_default[i].reg,
>>> -				nvsw_sn2201_regmap_default[i].def);
>>> -			goto regmap_write_fail;
>>> -		}
>>> -	}
>>> -
>>> -	/* Sync registers with hardware. */
>>> -	regcache_mark_dirty(regmap);
>>> -	err = regcache_sync(regmap);
>>> -	if (err) {
>>> -		dev_err(nvsw_sn2201->dev, "Failed to Sync registers with
>> hardware\n");
>>> -		goto regcache_sync_fail;
>>> -	}
>>> -
>>> -	/* Configure SN2201 board. */
>>> -	err = nvsw_sn2201_config_init(nvsw_sn2201, regmap);
>>> -	if (err) {
>>> -		dev_err(nvsw_sn2201->dev, "Failed to configure board\n");
>>> -		goto nvsw_sn2201_config_init_fail;
>>> -	}
>>> -
>>> -	return 0;
>>> -
>>> -nvsw_sn2201_config_init_fail:
>>> -	nvsw_sn2201_config_exit(nvsw_sn2201);
>>> -regcache_sync_fail:
>>> -regmap_write_fail:
>>> -devm_regmap_init_i2c_fail:
>>> -i2c_new_dummy_fail:
>>> -	i2c_put_adapter(nvsw_sn2201->cpld_devs->adapter);
>>> -	nvsw_sn2201->cpld_devs->adapter = NULL;
>>> -i2c_get_adapter_fail:
>>> -	/* Destroy SN2201 static I2C devices. */
>>> -	nvsw_sn2201_destroy_static_devices(nvsw_sn2201, nvsw_sn2201-
>>> sn2201_devs,
>>> -					   nvsw_sn2201->sn2201_devs_num);
>>> -	/* Destroy main mux device. */
>>> -	nvsw_sn2201_destroy_static_devices(nvsw_sn2201, nvsw_sn2201-
>>> main_mux_devs,
>>> -					   nvsw_sn2201-
>>> main_mux_devs_num);
>>> -nvsw_sn2201_create_static_devices_fail:
>>> -	i2c_put_adapter(nvsw_sn2201->main_mux_devs->adapter);
>>> -i2c_get_adapter_main_fail:
>>> -	return err;
>>> -}
>>> -
>>> -static int nvsw_sn2201_config_pre_init(struct nvsw_sn2201
>> *nvsw_sn2201)
>>> -{
>>> -	nvsw_sn2201->i2c_data = &nvsw_sn2201_i2c_data;
>>> -
>>> -	/* Register I2C controller. */
>>> -	nvsw_sn2201->i2c_data->handle = nvsw_sn2201;
>>> -	nvsw_sn2201->i2c_data->completion_notify =
>> nvsw_sn2201_i2c_completion_notify;
>>> -	nvsw_sn2201->pdev_i2c =
>> platform_device_register_resndata(nvsw_sn2201->dev, "i2c_mlxcpld",
>>> -
>> NVSW_SN2201_MAIN_MUX_NR,
>>> -
>> nvsw_sn2201_lpc_res,
>>> -
>> ARRAY_SIZE(nvsw_sn2201_lpc_res),
>>> -
>> nvsw_sn2201->i2c_data,
>>> -
>> sizeof(*nvsw_sn2201->i2c_data));
>>> -	if (IS_ERR(nvsw_sn2201->pdev_i2c))
>>> -		return PTR_ERR(nvsw_sn2201->pdev_i2c);
>>> -
>>> -	return 0;
>>> -}
>>> -
>>> -static int nvsw_sn2201_probe(struct platform_device *pdev)
>>> -{
>>> -	struct nvsw_sn2201 *nvsw_sn2201;
>>> -
>>> -	nvsw_sn2201 = devm_kzalloc(&pdev->dev, sizeof(*nvsw_sn2201),
>> GFP_KERNEL);
>>> -	if (!nvsw_sn2201)
>>> -		return -ENOMEM;
>>> -
>>> -	nvsw_sn2201->dev = &pdev->dev;
>>> -	platform_set_drvdata(pdev, nvsw_sn2201);
>>> -	platform_device_add_resources(pdev,
>> nvsw_sn2201_lpc_io_resources,
>>> -
>> ARRAY_SIZE(nvsw_sn2201_lpc_io_resources));
>>> -
>>> -	nvsw_sn2201->main_mux_deferred_nr =
>> NVSW_SN2201_MAIN_MUX_DEFER_NR;
>>> -	nvsw_sn2201->main_mux_devs = nvsw_sn2201_main_mux_brdinfo;
>>> -	nvsw_sn2201->cpld_devs = nvsw_sn2201_cpld_brdinfo;
>>> -	nvsw_sn2201->sn2201_devs = nvsw_sn2201_static_brdinfo;
>>> -	nvsw_sn2201->sn2201_devs_num =
>> ARRAY_SIZE(nvsw_sn2201_static_brdinfo);
>>> -
>>> -	return nvsw_sn2201_config_pre_init(nvsw_sn2201);
>>> -}
>>> -
>>> -static int nvsw_sn2201_remove(struct platform_device *pdev)
>>> -{
>>> -	struct nvsw_sn2201 *nvsw_sn2201 = platform_get_drvdata(pdev);
>>> -
>>> -	/* Unregister underlying drivers. */
>>> -	nvsw_sn2201_config_exit(nvsw_sn2201);
>>> -
>>> -	/* Destroy SN2201 static I2C devices. */
>>> -	nvsw_sn2201_destroy_static_devices(nvsw_sn2201,
>>> -					   nvsw_sn2201->sn2201_devs,
>>> -					   nvsw_sn2201->sn2201_devs_num);
>>> -
>>> -	i2c_put_adapter(nvsw_sn2201->cpld_devs->adapter);
>>> -	nvsw_sn2201->cpld_devs->adapter = NULL;
>>> -	/* Destroy main mux device. */
>>> -	nvsw_sn2201_destroy_static_devices(nvsw_sn2201,
>>> -					   nvsw_sn2201->main_mux_devs,
>>> -					   nvsw_sn2201-
>>> main_mux_devs_num);
>>> -
>>> -	/* Unregister I2C controller. */
>>> -	if (nvsw_sn2201->pdev_i2c)
>>> -		platform_device_unregister(nvsw_sn2201->pdev_i2c);
>>> -
>>> -	return 0;
>>> -}
>>> -
>>> -static const struct acpi_device_id nvsw_sn2201_acpi_ids[] = {
>>> -	{"NVSN2201", 0},
>>> -	{}
>>> -};
>>> -
>>> -MODULE_DEVICE_TABLE(acpi, nvsw_sn2201_acpi_ids);
>>> -
>>> -static struct platform_driver nvsw_sn2201_driver = {
>>> -	.probe = nvsw_sn2201_probe,
>>> -	.remove = nvsw_sn2201_remove,
>>> -	.driver = {
>>> -		.name = "nvsw-sn2201",
>>> -	.acpi_match_table = nvsw_sn2201_acpi_ids,
>>> -	},
>>> -};
>>> -
>>> -module_platform_driver(nvsw_sn2201_driver);
>>> -
>>> -MODULE_AUTHOR("Nvidia");
>>> -MODULE_DESCRIPTION("Nvidia sn2201 platform driver");
>>> -MODULE_LICENSE("Dual BSD/GPL");
>>> -MODULE_ALIAS("platform:nvsw-sn2201");
>>> +What:		/sys/devices/platform/mlxplat/mlxreg-
>> io/hwmon/hwmon*/asic_health
>>> +Date:		June 2018
>>> +KernelVersion:	4.19
>>> +Contact:	Vadim Pasternak <vadimpmellanox.com>
>>> +Description:	This file shows ASIC health status. The possible values are:
>>> +		0 - health failed, 2 - health OK, 3 - ASIC in booting state.
>>> +
>>> +		The files are read only.
>>> +
>>> +What:		/sys/devices/platform/mlxplat/mlxreg-
>> io/hwmon/hwmon*/cpld1_version
>>> +What:		/sys/devices/platform/mlxplat/mlxreg-
>> io/hwmon/hwmon*/cpld2_version
>>> +Date:		June 2018
>>> +KernelVersion:	4.19
>>> +Contact:	Vadim Pasternak <vadimpmellanox.com>
>>> +Description:	These files show with which CPLD versions have been burned
>>> +		on carrier and switch boards.
>>> +
>>> +		The files are read only.
>>> +
>>> +What:		/sys/devices/platform/mlxplat/mlxreg-
>> io/hwmon/hwmon*/fan_dir
>>> +Date:		December 2018
>>> +KernelVersion:	5.0
>>> +Contact:	Vadim Pasternak <vadimpmellanox.com>
>>> +Description:	This file shows the system fans direction:
>>> +		forward direction - relevant bit is set 0;
>>> +		reversed direction - relevant bit is set 1.
>>> +
>>> +		The files are read only.
>>> +
>>> +What:		/sys/devices/platform/mlxplat/mlxreg-
>> io/hwmon/hwmon*/cpld3_version
>>> +Date:		November 2018
>>> +KernelVersion:	5.0
>>> +Contact:	Vadim Pasternak <vadimpmellanox.com>
>>> +Description:	These files show with which CPLD versions have been burned
>>> +		on LED or Gearbox board.
>>> +
>>> +		The files are read only.
>>> +
>>> +What:		/sys/devices/platform/mlxplat/mlxreg-
>> io/hwmon/hwmon*/jtag_enable
>>> +Date:		November 2018
>>> +KernelVersion:	5.0
>>> +Contact:	Vadim Pasternak <vadimpmellanox.com>
>>> +Description:	These files enable and disable the access to the JTAG domain.
>>> +		By default access to the JTAG domain is disabled.
>>> +
>>> +		The file is read/write.
>>> +
>>> +What:		/sys/devices/platform/mlxplat/mlxreg-
>> io/hwmon/hwmon*/select_iio
>>> +Date:		June 2018
>>> +KernelVersion:	4.19
>>> +Contact:	Vadim Pasternak <vadimpmellanox.com>
>>> +Description:	This file allows iio devices selection.
>>> +
>>> +		Attribute select_iio can be written with 0 or with 1. It
>>> +		selects which one of iio devices can be accessed.
>>> +
>>> +		The file is read/write.
>>> +
>>> +What:		/sys/devices/platform/mlxplat/mlxreg-
>> io/hwmon/hwmon*/psu1_on
>>> +		/sys/devices/platform/mlxplat/mlxreg-
>> io/hwmon/hwmon*/psu2_on
>>> +		/sys/devices/platform/mlxplat/mlxreg-
>> io/hwmon/hwmon*/pwr_cycle
>>> +		/sys/devices/platform/mlxplat/mlxreg-
>> io/hwmon/hwmon*/pwr_down
>>> +Date:		June 2018
>>> +KernelVersion:	4.19
>>> +Contact:	Vadim Pasternak <vadimpmellanox.com>
>>> +Description:	These files allow asserting system power cycling, switching
>>> +		power supply units on and off and system's main power
>> domain
>>> +		shutdown.
>>> +		Expected behavior:
>>> +		When pwr_cycle is written 1: auxiliary power domain will go
>>> +		down and after short period (about 1 second) up.
>>> +		When  psu1_on or psu2_on is written 1, related unit will be
>>> +		disconnected from the power source, when written 0 -
>> connected.
>>> +		If both are written 1 - power supplies main power domain
>> will
>>> +		go down.
>>> +		When pwr_down is written 1, system's main power domain
>> will go
>>> +		down.
>>> +
>>> +		The files are write only.
>>> +
>>> +What:		/sys/devices/platform/mlxplat/mlxreg-
>> io/hwmon/hwmon*/reset_aux_pwr_or_ref
>>> +What:		/sys/devices/platform/mlxplat/mlxreg-
>> io/hwmon/hwmon*/reset_asic_thermal
>>> +What:		/sys/devices/platform/mlxplat/mlxreg-
>> io/hwmon/hwmon*/reset_hotswap_or_halt
>>> +What:		/sys/devices/platform/mlxplat/mlxreg-
>> io/hwmon/hwmon*/reset_hotswap_or_wd
>>> +What:		/sys/devices/platform/mlxplat/mlxreg-
>> io/hwmon/hwmon*/reset_fw_reset
>>> +What:		/sys/devices/platform/mlxplat/mlxreg-
>> io/hwmon/hwmon*/reset_long_pb
>>> +What:		/sys/devices/platform/mlxplat/mlxreg-
>> io/hwmon/hwmon*/reset_main_pwr_fail
>>> +What:		/sys/devices/platform/mlxplat/mlxreg-
>> io/hwmon/hwmon*/reset_short_pb
>>> +What:		/sys/devices/platform/mlxplat/mlxreg-
>> io/hwmon/hwmon*/reset_sw_reset
>>> +Date:		June 2018
>>> +KernelVersion:	4.19
>>> +Contact:	Vadim Pasternak <vadimpmellanox.com>
>>> +Description:	These files show the system reset cause, as following: power
>>> +		auxiliary outage or power refresh, ASIC thermal shutdown,
>> halt,
>>> +		hotswap, watchdog, firmware reset, long press power
>> button,
>>> +		short press power button, software reset. Value 1 in file
>> means
>>> +		this is reset cause, 0 - otherwise. Only one of the above
>>> +		causes could be 1 at the same time, representing only last
>>> +		reset cause.
>>> +
>>> +		The files are read only.
>>> +
>>> +What:		/sys/devices/platform/mlxplat/mlxreg-
>> io/hwmon/hwmon*/reset_comex_pwr_fail
>>> +What:		/sys/devices/platform/mlxplat/mlxreg-
>> io/hwmon/hwmon*/reset_from_comex
>>> +What:		/sys/devices/platform/mlxplat/mlxreg-
>> io/hwmon/hwmon*/reset_system
>>> +What:		/sys/devices/platform/mlxplat/mlxreg-
>> io/hwmon/hwmon*/reset_voltmon_upgrade_fail
>>> +Date:		November 2018
>>> +KernelVersion:	5.0
>>> +Contact:	Vadim Pasternak <vadimpmellanox.com>
>>> +Description:	These files show the system reset cause, as following: ComEx
>>> +		power fail, reset from ComEx, system platform reset, reset
>>> +		due to voltage monitor devices upgrade failure,
>>> +		Value 1 in file means this is reset cause, 0 - otherwise.
>>> +		Only one bit could be 1 at the same time, representing only
>>> +		the last reset cause.
>>> +
>>> +		The files are read only.
>>> +
>>> +What:		/sys/devices/platform/mlxplat/mlxreg-
>> io/hwmon/hwmon*/cpld4_version
>>> +Date:		November 2018
>>> +KernelVersion:	5.0
>>> +Contact:	Vadim Pasternak <vadimpmellanox.com>
>>> +Description:	These files show with which CPLD versions have been burned
>>> +		on LED board.
>>> +
>>> +		The files are read only.
>>> +
>>> +What:		/sys/devices/platform/mlxplat/mlxreg-
>> io/hwmon/hwmon*/reset_comex_thermal
>>> +What:		/sys/devices/platform/mlxplat/mlxreg-
>> io/hwmon/hwmon*/reset_comex_wd
>>> +What:		/sys/devices/platform/mlxplat/mlxreg-
>> io/hwmon/hwmon*/reset_from_asic
>>> +What:		/sys/devices/platform/mlxplat/mlxreg-
>> io/hwmon/hwmon*/reset_reload_bios
>>> +What:		/sys/devices/platform/mlxplat/mlxreg-
>> io/hwmon/hwmon*/reset_sff_wd
>>> +What:		/sys/devices/platform/mlxplat/mlxreg-
>> io/hwmon/hwmon*/reset_swb_wd
>>> +Date:		June 2019
>>> +KernelVersion:	5.3
>>> +Contact:	Vadim Pasternak <vadimpmellanox.com>
>>> +Description:	These files show the system reset cause, as following:
>>> +		COMEX thermal shutdown; wathchdog power off or reset
>> was derived
>>> +		by one of the next components: COMEX, switch board or by
>> Small Form
>>> +		Factor mezzanine, reset requested from ASIC, reset caused
>> by BIOS
>>> +		reload. Value 1 in file means this is reset cause, 0 - otherwise.
>>> +		Only one of the above causes could be 1 at the same time,
>> representing
>>> +		only last reset cause.
>>> +
>>> +		The files are read only.
>>> +
>>> +What:		/sys/devices/platform/mlxplat/mlxreg-
>> io/hwmon/hwmon*/config1
>>> +What:		/sys/devices/platform/mlxplat/mlxreg-
>> io/hwmon/hwmon*/config2
>>> +Date:		January 2020
>>> +KernelVersion:	5.6
>>> +Contact:	Vadim Pasternak <vadimpmellanox.com>
>>> +Description:	These files show system static topology identification
>>> +		like system's static I2C topology, number and type of FPGA
>>> +		devices within the system and so on.
>>> +
>>> +		The files are read only.
>>> +
>>> +What:		/sys/devices/platform/mlxplat/mlxreg-
>> io/hwmon/hwmon*/reset_ac_pwr_fail
>>> +What:		/sys/devices/platform/mlxplat/mlxreg-
>> io/hwmon/hwmon*/reset_platform
>>> +What:		/sys/devices/platform/mlxplat/mlxreg-
>> io/hwmon/hwmon*/reset_soc
>>> +What:		/sys/devices/platform/mlxplat/mlxreg-
>> io/hwmon/hwmon*/reset_sw_pwr_off
>>> +Date:		January 2020
>>> +KernelVersion:	5.6
>>> +Contact:	Vadim Pasternak <vadimpmellanox.com>
>>> +Description:	These files show the system reset causes, as following: reset
>>> +		due to AC power failure, reset invoked from software by
>>> +		assertion reset signal through CPLD. reset caused by signal
>>> +		asserted by SOC through ACPI register, reset invoked from
>>> +		software by assertion power off signal through CPLD.
>>> +
>>> +		The files are read only.
>>> +
>>> +What:		/sys/devices/platform/mlxplat/mlxreg-
>> io/hwmon/hwmon*/pcie_asic_reset_dis
>>> +Date:		January 2020
>>> +KernelVersion:	5.6
>>> +Contact:	Vadim Pasternak <vadimpmellanox.com>
>>> +Description:	This file allows to retain ASIC up during PCIe root complex
>>> +		reset, when attribute is set 1.
>>> +
>>> +		The file is read/write.
>>> +
>>> +What:		/sys/devices/platform/mlxplat/mlxreg-
>> io/hwmon/hwmon*/vpd_wp
>>> +Date:		January 2020
>>> +KernelVersion:	5.6
>>> +Contact:	Vadim Pasternak <vadimpmellanox.com>
>>> +Description:	This file allows to overwrite system VPD hardware write
>>> +		protection when attribute is set 1.
>>> +
>>> +		The file is read/write.
>>> +
>>> +What:		/sys/devices/platform/mlxplat/mlxreg-
>> io/hwmon/hwmon*/voltreg_update_status
>>> +Date:		January 2020
>>> +KernelVersion:	5.6
>>> +Contact:	Vadim Pasternak <vadimpmellanox.com>
>>> +Description:	This file exposes the configuration update status of burnable
>>> +		voltage regulator devices. The status values are as following:
>>> +		0 - OK; 1 - CRC failure; 2 = I2C failure; 3 - in progress.
>>> +
>>> +		The file is read only.
>>> +
>>> +What:		/sys/devices/platform/mlxplat/mlxreg-
>> io/hwmon/hwmon*/ufm_version
>>> +Date:		January 2020
>>> +KernelVersion:	5.6
>>> +Contact:	Vadim Pasternak <vadimpmellanox.com>
>>> +Description:	This file exposes the firmware version of burnable voltage
>>> +		regulator devices.
>>> +
>>> +		The file is read only.
>>> +
>>> +What:		/sys/devices/platform/mlxplat/mlxreg-
>> io/hwmon/hwmon*/cpld1_pn
>>> +What:		/sys/devices/platform/mlxplat/mlxreg-
>> io/hwmon/hwmon*/cpld2_pn
>>> +What:		/sys/devices/platform/mlxplat/mlxreg-
>> io/hwmon/hwmon*/cpld3_pn
>>> +What:		/sys/devices/platform/mlxplat/mlxreg-
>> io/hwmon/hwmon*/cpld4_pn
>>> +What:		/sys/devices/platform/mlxplat/mlxreg-
>> io/hwmon/hwmon*/cpld1_version_min
>>> +What:		/sys/devices/platform/mlxplat/mlxreg-
>> io/hwmon/hwmon*/cpld2_version_min
>>> +What:		/sys/devices/platform/mlxplat/mlxreg-
>> io/hwmon/hwmon*/cpld3_version_min
>>> +What:		/sys/devices/platform/mlxplat/mlxreg-
>> io/hwmon/hwmon*/cpld4_version_min
>>> +Date:		July 2020
>>> +KernelVersion:	5.9
>>> +Contact:	Vadim Pasternak <vadimpmellanox.com>
>>> +Description:	These files show with which CPLD part numbers and minor
>>> +		versions have been burned CPLD devices equipped on a
>>> +		system.
>>> +
>>> +		The files are read only.
>>> +
>>> +What:		/sys/devices/platform/mlxplat/mlxreg-
>> io/hwmon/hwmon*/bios_active_image
>>> +What:		/sys/devices/platform/mlxplat/mlxreg-
>> io/hwmon/hwmon*/bios_auth_fail
>>> +What:		/sys/devices/platform/mlxplat/mlxreg-
>> io/hwmon/hwmon*/bios_upgrade_fail
>>> +Date:		October 2021
>>> +KernelVersion:	5.16
>>> +Contact:	Vadim Pasternak <vadimp@xxxxxxxxxx>
>>> +Description:	The files represent BIOS statuses:
>>> +
>>> +		bios_active_image: location of current active BIOS image:
>>> +		0: Top, 1: Bottom.
>>> +		The reported value should correspond to value expected by
>> OS
>>> +		in case of BIOS safe mode is 0. This bit is related to Intel
>>> +		top-swap feature of DualBios on the same flash.
>>> +
>>> +		bios_auth_fail: BIOS upgrade is failed because provided BIOS
>>> +		image is not signed correctly.
>>> +
>>> +		bios_upgrade_fail: BIOS upgrade is failed by some other
>>> +		reason not because authentication. For example due to
>>> +		physical SPI flash problem.
>>> +
>>> +		The files are read only.
>>> +
>>> +What:		/sys/devices/platform/mlxplat/mlxreg-
>> io/hwmon/hwmon*/lc1_enable
>>> +What:		/sys/devices/platform/mlxplat/mlxreg-
>> io/hwmon/hwmon*/lc2_enable
>>> +What:		/sys/devices/platform/mlxplat/mlxreg-
>> io/hwmon/hwmon*/lc3_enable
>>> +What:		/sys/devices/platform/mlxplat/mlxreg-
>> io/hwmon/hwmon*/lc4_enable
>>> +What:		/sys/devices/platform/mlxplat/mlxreg-
>> io/hwmon/hwmon*/lc5_enable
>>> +What:		/sys/devices/platform/mlxplat/mlxreg-
>> io/hwmon/hwmon*/lc6_enable
>>> +What:		/sys/devices/platform/mlxplat/mlxreg-
>> io/hwmon/hwmon*/lc7_enable
>>> +What:		/sys/devices/platform/mlxplat/mlxreg-
>> io/hwmon/hwmon*/lc8_enable
>>> +Date:		October 2021
>>> +KernelVersion:	5.16
>>> +Contact:	Vadim Pasternak <vadimp@xxxxxxxxxx>
>>> +Description:	These files allow line cards enable state control.
>>> +		Expected behavior:
>>> +		When  lc{n}_enable is written 1, related line card is released
>>> +		from the reset state, when 0 - is hold in reset state.
>>> +
>>> +		The files are read/write.
>>> +
>>> +What:		/sys/devices/platform/mlxplat/mlxreg-
>> io/hwmon/hwmon*/lc1_pwr
>>> +What:		/sys/devices/platform/mlxplat/mlxreg-
>> io/hwmon/hwmon*/lc2_pwr
>>> +What:		/sys/devices/platform/mlxplat/mlxreg-
>> io/hwmon/hwmon*/lc3_pwr
>>> +What:		/sys/devices/platform/mlxplat/mlxreg-
>> io/hwmon/hwmon*/lc4_pwr
>>> +What:		/sys/devices/platform/mlxplat/mlxreg-
>> io/hwmon/hwmon*/lc5_pwr
>>> +What:		/sys/devices/platform/mlxplat/mlxreg-
>> io/hwmon/hwmon*/lc6_pwr
>>> +What:		/sys/devices/platform/mlxplat/mlxreg-
>> io/hwmon/hwmon*/lc7_pwr
>>> +What:		/sys/devices/platform/mlxplat/mlxreg-
>> io/hwmon/hwmon*/lc8_pwr
>>> +Date:		October 2021
>>> +KernelVersion:	5.16
>>> +Contact:	Vadim Pasternak <vadimp@xxxxxxxxxx>
>>> +Description:	These files switching line cards power on and off.
>>> +		Expected behavior:
>>> +		When  lc{n}_pwr is written 1, related line card is powered
>>> +		on, when written 0 - powered off.
>>> +
>>> +		The files are read/write.
>>> +
>>> +What:		/sys/devices/platform/mlxplat/mlxreg-
>> io/hwmon/hwmon*/lc1_rst_mask
>>> +What:		/sys/devices/platform/mlxplat/mlxreg-
>> io/hwmon/hwmon*/lc2_rst_mask
>>> +What:		/sys/devices/platform/mlxplat/mlxreg-
>> io/hwmon/hwmon*/lc3_rst_mask
>>> +What:		/sys/devices/platform/mlxplat/mlxreg-
>> io/hwmon/hwmon*/lc4_rst_mask
>>> +What:		/sys/devices/platform/mlxplat/mlxreg-
>> io/hwmon/hwmon*/lc5_rst_mask
>>> +What:		/sys/devices/platform/mlxplat/mlxreg-
>> io/hwmon/hwmon*/lc6_rst_mask
>>> +What:		/sys/devices/platform/mlxplat/mlxreg-
>> io/hwmon/hwmon*/lc7_rst_mask
>>> +What:		/sys/devices/platform/mlxplat/mlxreg-
>> io/hwmon/hwmon*/lc8_rst_mask
>>> +Date:		October 2021
>>> +KernelVersion:	5.16
>>> +Contact:	Vadim Pasternak <vadimp@xxxxxxxxxx>
>>> +Description:	These files clear line card reset bit enforced by ASIC, when it
>>> +		sets it due to some abnormal ASIC behavior.
>>> +		Expected behavior:
>>> +		When lc{n}_rst_mask is written 1, related line card reset bit
>>> +		is cleared, when written 0 - no effect.
>>> +
>>> +		The files are write only.
>>> +
>>> +What:		/sys/devices/platform/mlxplat/mlxreg-
>> io/hwmon/hwmon*/os_started
>>> +Date:		October 2021
>>> +KernelVersion:	5.16
>>> +Contact:	Vadim Pasternak <vadimp@xxxxxxxxxx>
>>> +Description:	This file, when written 1, indicates to programmable devices
>>> +		that OS is taking control over it.
>>> +
>>> +		The file is read/write.
>>> +
>>> +What:		/sys/devices/platform/mlxplat/mlxreg-
>> io/hwmon/hwmon*/pm_mgmt_en
>>> +Date:		October 2021
>>> +KernelVersion:	5.16
>>> +Contact:	Vadim Pasternak <vadimp@xxxxxxxxxx>
>>> +Description:	This file assigns power management control ownership.
>>> +		When power management control is provided by hardware,
>> hardware
>>> +		will automatically power off one or more line previously
>>> +		powered line cards in case system power budget is getting
>>> +		insufficient. It could be in case when some of power units
>> lost
>>> +		power good state.
>>> +		When pm_mgmt_en is written 1, power management control
>> by
>>> +		software is enabled, 0 - power management control by
>> hardware.
>>> +		Note that for any setting of pm_mgmt_en attribute hardware
>> will
>>> +		not allow to power on any new line card in case system
>> power
>>> +		budget is insufficient.
>>> +		Same in case software will try to power on several line cards
>>> +		at once - hardware will power line cards while system has
>>> +		enough power budget.
>>> +		Default is 0.
>>> +
>>> +		The file is read/write.
>>> +
>>> +What:		/sys/devices/platform/mlxplat/mlxreg-
>> io/hwmon/hwmon*/psu3_on
>>> +What:		/sys/devices/platform/mlxplat/mlxreg-
>> io/hwmon/hwmon*/psu4_on
>>> +Date:		October 2021
>>> +KernelVersion:	5.16
>>> +Contact:	Vadim Pasternak <vadimp@xxxxxxxxxx>
>>> +Description:	These files switching power supply units on and off.
>>> +		Expected behavior:
>>> +		When  psu3_on or psu4_on is written 1, related unit will be
>>> +		disconnected from the power source, when written 0 -
>> connected.
>>> +
>>> +		The files are write only.
>>> +
>>> +What:		/sys/devices/platform/mlxplat/mlxreg-
>> io/hwmon/hwmon*/shutdown_unlock
>>> +Date:		October 2021
>>> +KernelVersion:	5.16
>>> +Contact:	Vadim Pasternak <vadimp@xxxxxxxxxx>
>>> +Description:	This file allows to unlock ASIC after thermal shutdown event.
>>> +		When system thermal shutdown is enforced by ASIC, ASIC is
>>> +		getting locked and after system boot it will not be available.
>>> +		Software can decide to unlock it by setting this attribute to
>>> +		1 and then perform system power cycle by setting pwr_cycle
>>> +		attribute to 1 (power cycle of main power domain).
>>> +		Before setting shutdown_unlock to 1 it is recommended to
>>> +		validate that system reboot cause is reset_asic_thermal or
>>> +		reset_thermal_spc_or_pciesw.
>>> +		In case shutdown_unlock is not set 1, the only way to release
>>> +		ASIC from locking - is full system power cycle through the
>>> +		external power distribution unit.
>>> +		Default is 1.
>>> +
>>> +		The file is read/write.
>>> +
>>> +What:		/sys/devices/platform/mlxplat/i2c_mlxcpld.*/i2c-
>> */i2c-*/i2c-*/*-0032/mlxreg-io.*/hwmon/hwmon*/cpld1_pn
>>> +What:		/sys/devices/platform/mlxplat/i2c_mlxcpld.*/i2c-
>> */i2c-*/i2c-*/*-0032/mlxreg-io.*/hwmon/hwmon*/cpld1_version
>>> +What:		/sys/devices/platform/mlxplat/i2c_mlxcpld.*/i2c-
>> */i2c-*/i2c-*/*-0032/mlxreg-io.*/hwmon/hwmon*/cpld1_version_min
>>> +Date:		October 2021
>>> +KernelVersion:	5.16
>>> +Contact:	Vadim Pasternak <vadimp@xxxxxxxxxx>
>>> +Description:	These files show with which CPLD major and minor versions
>>> +		and part number has been burned CPLD device on line card.
>>> +
>>> +		The files are read only.
>>> +
>>> +What:		/sys/devices/platform/mlxplat/i2c_mlxcpld.*/i2c-
>> */i2c-*/i2c-*/*-0032/mlxreg-io.*/hwmon/hwmon*/fpga1_pn
>>> +What:		/sys/devices/platform/mlxplat/i2c_mlxcpld.*/i2c-
>> */i2c-*/i2c-*/*-0032/mlxreg-io.*/hwmon/hwmon*/fpga1_version
>>> +What:		/sys/devices/platform/mlxplat/i2c_mlxcpld.*/i2c-
>> */i2c-*/i2c-*/*-0032/mlxreg-io.*/hwmon/hwmon*/fpga1_version_min
>>> +Date:		October 2021
>>> +KernelVersion:	5.16
>>> +Contact:	Vadim Pasternak <vadimp@xxxxxxxxxx>
>>> +Description:	These files show with which FPGA major and minor versions
>>> +		and part number has been burned FPGA device on line card.
>>> +
>>> +		The files are read only.
>>> +
>>> +What:		/sys/devices/platform/mlxplat/i2c_mlxcpld.*/i2c-
>> */i2c-*/i2c-*/*-0032/mlxreg-io.*/hwmon/hwmon*/vpd_wp
>>> +Date:		October 2021
>>> +KernelVersion:	5.16
>>> +Contact:	Vadim Pasternak <vadimp@xxxxxxxxxx>
>>> +Description:	This file allow to overwrite line card VPD hardware write
>>> +		protection mode. When attribute is set 1 - write protection is
>>> +		disabled, when 0 - enabled.
>>> +		Default is 0.
>>> +		If the system is in locked-down mode writing this file will not
>>> +		be allowed.
>>> +		The purpose if this file is to allow line card VPD burning
>>> +		during production flow.
>>> +
>>> +		The file is read/write.
>>> +
>>> +What:		/sys/devices/platform/mlxplat/i2c_mlxcpld.*/i2c-
>> */i2c-*/i2c-*/*-0032/mlxreg-io.*/hwmon/hwmon*/reset_aux_pwr_or_ref
>>> +What:		/sys/devices/platform/mlxplat/i2c_mlxcpld.*/i2c-
>> */i2c-*/i2c-*/*-0032/mlxreg-io.*/hwmon/hwmon*/reset_dc_dc_pwr_fail
>>> +What:		/sys/devices/platform/mlxplat/i2c_mlxcpld.*/i2c-
>> */i2c-*/i2c-*/*-0032/mlxreg-io.*/hwmon/hwmon*/reset_fpga_not_done
>>> +What:		/sys/devices/platform/mlxplat/i2c_mlxcpld.*/i2c-
>> */i2c-*/i2c-*/*-0032/mlxreg-io.*/hwmon/hwmon*/reset_from_chassis
>>> +What:		/sys/devices/platform/mlxplat/i2c_mlxcpld.*/i2c-
>> */i2c-*/i2c-*/*-0032/mlxreg-io.*/hwmon/hwmon*/reset_line_card
>>> +What:		/sys/devices/platform/mlxplat/i2c_mlxcpld.*/i2c-
>> */i2c-*/i2c-*/*-0032/mlxreg-
>> io.*/hwmon/hwmon*/reset_pwr_off_from_chassis
>>> +Date:		October 2021
>>> +KernelVersion:	5.16
>>> +Contact:	Vadim Pasternak <vadimp@xxxxxxxxxx>
>>> +Description:	These files show the line reset cause, as following: power
>>> +		auxiliary outage or power refresh, DC-to-DC power failure,
>> FPGA reset
>>> +		failed, line card reset failed, power off from chassis.
>>> +		Value 1 in file means this is reset cause, 0 - otherwise. Only
>> one of
>>> +		the above causes could be 1 at the same time, representing
>> only last
>>> +		reset cause.
>>> +
>>> +		The files are read only.
>>> +
>>> +What:		/sys/devices/platform/mlxplat/i2c_mlxcpld.*/i2c-
>> */i2c-*/i2c-*/*-0032/mlxreg-io.*/hwmon/hwmon*/cpld_upgrade_en
>>> +What:		/sys/devices/platform/mlxplat/i2c_mlxcpld.*/i2c-
>> */i2c-*/i2c-*/*-0032/mlxreg-io.*/hwmon/hwmon*/fpga_upgrade_en
>>> +Date:		October 2021
>>> +KernelVersion:	5.16
>>> +Contact:	Vadim Pasternak <vadimp@xxxxxxxxxx>
>>> +Description:	These files allow CPLD and FPGA burning. Value 1 in file
>> means burning
>>> +		is enabled, 0 - otherwise.
>>> +		If the system is in locked-down mode writing these files will
>>> +		not be allowed.
>>> +		The purpose of these files to allow line card CPLD and FPGA
>>> +		upgrade through the JTAG daisy-chain.
>>> +
>>> +		The files are read/write.
>>> +
>>> +What:		/sys/devices/platform/mlxplat/i2c_mlxcpld.*/i2c-
>> */i2c-*/i2c-*/*-0032/mlxreg-io.*/hwmon/hwmon*/qsfp_pwr_en
>>> +What:		/sys/devices/platform/mlxplat/i2c_mlxcpld.*/i2c-
>> */i2c-*/i2c-*/*-0032/mlxreg-io.*/hwmon/hwmon*/pwr_en
>>> +Date:		October 2021
>>> +KernelVersion:	5.16
>>> +Contact:	Vadim Pasternak <vadimp@xxxxxxxxxx>
>>> +Description:	These files allow to power on/off all QSFP ports and whole
>> line card.
>>> +		The attributes are set 1 for power on, 0 - for power off.
>>> +
>>> +		The files are read/write.
>>> +
>>> +What:		/sys/devices/platform/mlxplat/i2c_mlxcpld.*/i2c-
>> */i2c-*/i2c-*/*-0032/mlxreg-io.*/hwmon/hwmon*/agb_spi_burn_en
>>> +What:		/sys/devices/platform/mlxplat/i2c_mlxcpld.*/i2c-
>> */i2c-*/i2c-*/*-0032/mlxreg-io.*/hwmon/hwmon*/fpga_spi_burn_en
>>> +Date:		October 2021
>>> +KernelVersion:	5.16
>>> +Contact:	Vadim Pasternak <vadimp@xxxxxxxxxx>
>>> +Description:	These files allow gearboxes and FPGA SPI flash burning.
>>> +		The attributes are set 1 to enable burning, 0 - to disable.
>>> +		If the system is in locked-down mode writing these files will
>>> +		not be allowed.
>>> +		The purpose of these files to allow line card Gearboxes and
>> FPGA
>>> +		burning during production flow.
>>> +
>>> +		The file is read/write.
>>> +
>>> +What:		/sys/devices/platform/mlxplat/i2c_mlxcpld.*/i2c-
>> */i2c-*/i2c-*/*-0032/mlxreg-io.*/hwmon/hwmon*/max_power
>>> +What:		/sys/devices/platform/mlxplat/i2c_mlxcpld.*/i2c-
>> */i2c-*/i2c-*/*-0032/mlxreg-io.*/hwmon/hwmon*/config
>>> +Date:		October 2021
>>> +KernelVersion:	5.16
>>> +Contact:	Vadim Pasternak <vadimp@xxxxxxxxxx>
>>> +Description:	These files provide the maximum powered required for line
>> card
>>> +		feeding and line card configuration Id.
>>> +
>>> +		The files are read only.
>>> +
>>> +What:           /sys/devices/platform/mlxplat/mlxreg-
>> io/hwmon/hwmon*/phy_reset
>>> +Date:           May 2022
>>> +KernelVersion:  5.19
>>> +Contact:        Vadim Pasternak <vadimpmellanox.com>
>>> +Description:    This file allows to reset PHY 88E1548 when attribute is set 0
>>> +                due to some abnormal PHY behavior.
>>> +                Expected behavior:
>>> +                When phy_reset is written 1, all PHY 88E1548 are released
>>> +                from the reset state, when 0 - are hold in reset state.
>>> +
>>> +                The files are read/write.
>>> +
>>> +What:           /sys/devices/platform/mlxplat/mlxreg-
>> io/hwmon/hwmon*/mac_reset
>>> +Date:           May 2022
>>> +KernelVersion:  5.19
>>> +Contact:        Vadim Pasternak <vadimpmellanox.com>
>>> +Description:    This file allows to reset ASIC MT52132 when attribute is set
>> 0
>>> +                due to some abnormal ASIC behavior.
>>> +                Expected behavior:
>>> +                When mac_reset is written 1, the ASIC MT52132 is released
>>> +                from the reset state, when 0 - is hold in reset state.
>>> +
>>> +                The files are read/write.
>>> +
>>> +What:           /sys/devices/platform/mlxplat/mlxreg-
>> io/hwmon/hwmon*/qsfp_pwr_good
>>> +Date:           May 2022
>>> +KernelVersion:  5.19
>>> +Contact:        Vadim Pasternak <vadimpmellanox.com>
>>> +Description:    This file shows QSFP ports power status. The value is set to
>> 0
>>> +                when one of any QSFP ports is plugged. The value is set to 1
>> when
>>> +                there are no any QSFP ports are plugged.
>>> +                The possible values are:
>>> +                0 - Power good, 1 - Not power good.
>>> +
>>> +                The files are read only.
> 




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