Re: [PATCH platform-next v2 07/10] platform: mellanox: Introduce support of Nvidia smart switch

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On Mon, 13 Jan 2025, Vadim Pasternak wrote:

> Provide platform support for Nvidia Smart Switch SN4280.
> 
> The Smart Switch equipped with:
> - Nvidia COME module based on AMD EPYC™ Embedded 3451 CPU.
> - Nvidia Spectrum-3 ASIC.
> - Four DPUs, each equipped with Nvidia BF3 ARM based processor and
>   with Lattice LFD2NX-40 FPGA device.
> - 28xQSFP-DD external ports.
> - Two power supplies.
> - Four cooling drawers.
> 
> Introduce configuration structures for the new systems to allow proper
> activation of the required platform drivers.
> 
> Reviewed-by: Ciju Rajan K <crajank@xxxxxxxxxx>
> Signed-off-by: Vadim Pasternak <vadimp@xxxxxxxxxx>
> ---
>  drivers/platform/mellanox/mlx-platform.c | 1965 +++++++++++++++++++---
>  1 file changed, 1711 insertions(+), 254 deletions(-)
> 
> diff --git a/drivers/platform/mellanox/mlx-platform.c b/drivers/platform/mellanox/mlx-platform.c
> index bd3bb06ff8f2..9d237852d3e0 100644
> --- a/drivers/platform/mellanox/mlx-platform.c
> +++ b/drivers/platform/mellanox/mlx-platform.c
> @@ -38,6 +38,7 @@
>  #define MLXPLAT_CPLD_LPC_REG_CPLD4_PN1_OFFSET	0x0b
>  #define MLXPLAT_CPLD_LPC_REG_RESET_GP1_OFFSET	0x17
>  #define MLXPLAT_CPLD_LPC_REG_RESET_GP2_OFFSET	0x19
> +#define MLXPLAT_CPLD_LPC_REG_RESET_GP3_OFFSET	0x1b
>  #define MLXPLAT_CPLD_LPC_REG_RESET_GP4_OFFSET	0x1c
>  #define MLXPLAT_CPLD_LPC_REG_RESET_CAUSE_OFFSET	0x1d
>  #define MLXPLAT_CPLD_LPC_REG_RST_CAUSE1_OFFSET	0x1e
> @@ -49,9 +50,11 @@
>  #define MLXPLAT_CPLD_LPC_REG_LED5_OFFSET	0x24
>  #define MLXPLAT_CPLD_LPC_REG_LED6_OFFSET	0x25
>  #define MLXPLAT_CPLD_LPC_REG_LED7_OFFSET	0x26
> +#define MLXPLAT_CPLD_LPC_REG_LED8_OFFSET	0x27
>  #define MLXPLAT_CPLD_LPC_REG_FAN_DIRECTION	0x2a
>  #define MLXPLAT_CPLD_LPC_REG_GP0_RO_OFFSET	0x2b
>  #define MLXPLAT_CPLD_LPC_REG_GPCOM0_OFFSET	0x2d
> +#define MLXPLAT_CPLD_LPC_REG_GP1_RO_OFFSET	0x2c
>  #define MLXPLAT_CPLD_LPC_REG_GP0_OFFSET		0x2e
>  #define MLXPLAT_CPLD_LPC_REG_GP_RST_OFFSET	0x2f
>  #define MLXPLAT_CPLD_LPC_REG_GP1_OFFSET		0x30
> @@ -71,12 +74,14 @@
>  #define MLXPLAT_CPLD_LPC_REG_AGGRCO_MASK_OFFSET	0x43
>  #define MLXPLAT_CPLD_LPC_REG_AGGRCX_OFFSET	0x44
>  #define MLXPLAT_CPLD_LPC_REG_AGGRCX_MASK_OFFSET 0x45
> +#define MLXPLAT_CPLD_LPC_REG_GP3_OFFSET		0x46
>  #define MLXPLAT_CPLD_LPC_REG_BRD_OFFSET		0x47
>  #define MLXPLAT_CPLD_LPC_REG_BRD_EVENT_OFFSET	0x48
>  #define MLXPLAT_CPLD_LPC_REG_BRD_MASK_OFFSET	0x49
>  #define MLXPLAT_CPLD_LPC_REG_GWP_OFFSET		0x4a
>  #define MLXPLAT_CPLD_LPC_REG_GWP_EVENT_OFFSET	0x4b
>  #define MLXPLAT_CPLD_LPC_REG_GWP_MASK_OFFSET	0x4c
> +#define MLXPLAT_CPLD_LPC_REG_GPI_MASK_OFFSET	0x4e
>  #define MLXPLAT_CPLD_LPC_REG_ASIC_HEALTH_OFFSET 0x50
>  #define MLXPLAT_CPLD_LPC_REG_ASIC_EVENT_OFFSET	0x51
>  #define MLXPLAT_CPLD_LPC_REG_ASIC_MASK_OFFSET	0x52
> @@ -88,15 +93,20 @@
>  #define MLXPLAT_CPLD_LPC_REG_PSU_OFFSET		0x58
>  #define MLXPLAT_CPLD_LPC_REG_PSU_EVENT_OFFSET	0x59
>  #define MLXPLAT_CPLD_LPC_REG_PSU_MASK_OFFSET	0x5a
> +#define MLXPLAT_CPLD_LPC_REG_PSU_AC_OFFSET	0x5e
>  #define MLXPLAT_CPLD_LPC_REG_PWR_OFFSET		0x64
>  #define MLXPLAT_CPLD_LPC_REG_PWR_EVENT_OFFSET	0x65
>  #define MLXPLAT_CPLD_LPC_REG_PWR_MASK_OFFSET	0x66
> +#define MLXPLAT_CPLD_LPC_REG_PSU_ALERT_OFFSET	0x6a
>  #define MLXPLAT_CPLD_LPC_REG_LC_IN_OFFSET	0x70
>  #define MLXPLAT_CPLD_LPC_REG_LC_IN_EVENT_OFFSET	0x71
>  #define MLXPLAT_CPLD_LPC_REG_LC_IN_MASK_OFFSET	0x72
>  #define MLXPLAT_CPLD_LPC_REG_FAN_OFFSET		0x88
>  #define MLXPLAT_CPLD_LPC_REG_FAN_EVENT_OFFSET	0x89
>  #define MLXPLAT_CPLD_LPC_REG_FAN_MASK_OFFSET	0x8a
> +#define MLXPLAT_CPLD_LPC_REG_FAN2_OFFSET	0x8b
> +#define MLXPLAT_CPLD_LPC_REG_FAN2_EVENT_OFFSET	0x8c
> +#define MLXPLAT_CPLD_LPC_REG_FAN2_MASK_OFFSET	0x8d
>  #define MLXPLAT_CPLD_LPC_REG_CPLD5_VER_OFFSET	0x8e
>  #define MLXPLAT_CPLD_LPC_REG_CPLD5_PN_OFFSET	0x8f
>  #define MLXPLAT_CPLD_LPC_REG_CPLD5_PN1_OFFSET	0x90
> @@ -128,10 +138,15 @@
>  #define MLXPLAT_CPLD_LPC_REG_LC_SD_EVENT_OFFSET	0xaa
>  #define MLXPLAT_CPLD_LPC_REG_LC_SD_MASK_OFFSET	0xab
>  #define MLXPLAT_CPLD_LPC_REG_LC_PWR_ON		0xb2
> +#define MLXPLAT_CPLD_LPC_REG_TACHO19_OFFSET	0xb4
> +#define MLXPLAT_CPLD_LPC_REG_TACHO20_OFFSET	0xb5
>  #define MLXPLAT_CPLD_LPC_REG_DBG1_OFFSET	0xb6
>  #define MLXPLAT_CPLD_LPC_REG_DBG2_OFFSET	0xb7
>  #define MLXPLAT_CPLD_LPC_REG_DBG3_OFFSET	0xb8
>  #define MLXPLAT_CPLD_LPC_REG_DBG4_OFFSET	0xb9
> +#define MLXPLAT_CPLD_LPC_REG_TACHO17_OFFSET	0xba
> +#define MLXPLAT_CPLD_LPC_REG_TACHO18_OFFSET	0xbb
> +#define MLXPLAT_CPLD_LPC_REG_ASIC_CAP_OFFSET	0xc1
>  #define MLXPLAT_CPLD_LPC_REG_GP4_RO_OFFSET	0xc2
>  #define MLXPLAT_CPLD_LPC_REG_SPI_CHNL_SELECT	0xc3
>  #define MLXPLAT_CPLD_LPC_REG_CPLD5_MVER_OFFSET	0xc4
> @@ -182,6 +197,9 @@
>  #define MLXPLAT_CPLD_LPC_REG_CONFIG1_OFFSET	0xfb
>  #define MLXPLAT_CPLD_LPC_REG_CONFIG2_OFFSET	0xfc
>  #define MLXPLAT_CPLD_LPC_REG_CONFIG3_OFFSET	0xfd
> +#define MLXPLAT_CPLD_LPC_REG_TACHO15_OFFSET	0xfe
> +#define MLXPLAT_CPLD_LPC_REG_TACHO16_OFFSET	0xff
> +
>  #define MLXPLAT_CPLD_LPC_IO_RANGE		0x100
>  
>  #define MLXPLAT_CPLD_LPC_PIO_OFFSET		0x10000UL
> @@ -210,9 +228,15 @@
>  #define MLXPLAT_CPLD_AGGR_MASK_NG_DEF	0x04
>  #define MLXPLAT_CPLD_AGGR_MASK_COMEX	BIT(0)
>  #define MLXPLAT_CPLD_AGGR_MASK_LC	BIT(3)
> +#define MLXPLAT_CPLD_AGGR_MASK_DPU_BRD	BIT(4)
> +#define MLXPLAT_CPLD_AGGR_MASK_DPU_CORE	BIT(5)
>  #define MLXPLAT_CPLD_AGGR_MASK_MODULAR	(MLXPLAT_CPLD_AGGR_MASK_NG_DEF | \
>  					 MLXPLAT_CPLD_AGGR_MASK_COMEX | \
>  					 MLXPLAT_CPLD_AGGR_MASK_LC)
> +#define MLXPLAT_CPLD_AGGR_MASK_SMART_SW	(MLXPLAT_CPLD_AGGR_MASK_COMEX | \
> +					 MLXPLAT_CPLD_AGGR_MASK_NG_DEF | \
> +					 MLXPLAT_CPLD_AGGR_MASK_DPU_BRD | \
> +					 MLXPLAT_CPLD_AGGR_MASK_DPU_CORE)
>  #define MLXPLAT_CPLD_AGGR_MASK_LC_PRSNT	BIT(0)
>  #define MLXPLAT_CPLD_AGGR_MASK_LC_RDY	BIT(1)
>  #define MLXPLAT_CPLD_AGGR_MASK_LC_PG	BIT(2)
> @@ -235,15 +259,24 @@
>  #define MLXPLAT_CPLD_PWR_MASK		GENMASK(1, 0)
>  #define MLXPLAT_CPLD_PSU_EXT_MASK	GENMASK(3, 0)
>  #define MLXPLAT_CPLD_PWR_EXT_MASK	GENMASK(3, 0)
> +#define MLXPLAT_CPLD_PSU_XDR_MASK	GENMASK(7, 0)
> +#define MLXPLAT_CPLD_PWR_XDR_MASK	GENMASK(7, 0)
>  #define MLXPLAT_CPLD_FAN_MASK		GENMASK(3, 0)
>  #define MLXPLAT_CPLD_ASIC_MASK		GENMASK(1, 0)
> +#define MLXPLAT_CPLD_ASIC_XDR_MASK	GENMASK(3, 0)
>  #define MLXPLAT_CPLD_FAN_NG_MASK	GENMASK(6, 0)
> +#define MLXPLAT_CPLD_FAN_XDR_MASK	GENMASK(7, 0)
>  #define MLXPLAT_CPLD_LED_LO_NIBBLE_MASK	GENMASK(7, 4)
>  #define MLXPLAT_CPLD_LED_HI_NIBBLE_MASK	GENMASK(3, 0)
>  #define MLXPLAT_CPLD_VOLTREG_UPD_MASK	GENMASK(5, 4)
>  #define MLXPLAT_CPLD_GWP_MASK		GENMASK(0, 0)
>  #define MLXPLAT_CPLD_EROT_MASK		GENMASK(1, 0)
>  #define MLXPLAT_CPLD_FU_CAP_MASK	GENMASK(1, 0)
> +#define MLXPLAT_CPLD_PSU_CAP_MASK	GENMASK(7, 0)
> +#define MLXPLAT_CPLD_FAN_CAP_MASK	GENMASK(7, 0)
> +#define MLXPLAT_CPLD_ASIC_CAP_MASK	GENMASK(7, 0)
> +#define MLXPLAT_CPLD_BIOS_STATUS_MASK	GENMASK(3, 1)
> +#define MLXPLAT_CPLD_DPU_MASK		GENMASK(3, 0)
>  #define MLXPLAT_CPLD_PWR_BUTTON_MASK	BIT(0)
>  #define MLXPLAT_CPLD_LATCH_RST_MASK	BIT(6)
>  #define MLXPLAT_CPLD_THERMAL1_PDB_MASK	BIT(3)
> @@ -267,6 +300,9 @@
>  /* Masks for aggregation for modular systems */
>  #define MLXPLAT_CPLD_LPC_LC_MASK	GENMASK(7, 0)
>  
> +/* Masks for aggregation for smart switch systems */
> +#define MLXPLAT_CPLD_LPC_SM_SW_MASK	GENMASK(7, 0)
> +
>  #define MLXPLAT_CPLD_HALT_MASK		BIT(3)
>  #define MLXPLAT_CPLD_RESET_MASK		GENMASK(7, 1)
>  
> @@ -297,15 +333,18 @@
>  #define MLXPLAT_CPLD_NR_NONE			-1
>  #define MLXPLAT_CPLD_PSU_DEFAULT_NR		10
>  #define MLXPLAT_CPLD_PSU_MSNXXXX_NR		4
> +#define MLXPLAT_CPLD_PSU_XDR_NR			3
>  #define MLXPLAT_CPLD_FAN1_DEFAULT_NR		11
>  #define MLXPLAT_CPLD_FAN2_DEFAULT_NR		12
>  #define MLXPLAT_CPLD_FAN3_DEFAULT_NR		13
>  #define MLXPLAT_CPLD_FAN4_DEFAULT_NR		14
>  #define MLXPLAT_CPLD_NR_ASIC			3
>  #define MLXPLAT_CPLD_NR_LC_BASE			34
> +#define MLXPLAT_CPLD_NR_DPU_BASE		18
>  
>  #define MLXPLAT_CPLD_NR_LC_SET(nr)	(MLXPLAT_CPLD_NR_LC_BASE + (nr))
>  #define MLXPLAT_CPLD_LC_ADDR		0x32
> +#define MLXPLAT_CPLD_DPU_ADDR		0x68
>  
>  /* Masks and default values for watchdogs */
>  #define MLXPLAT_CPLD_WD1_CLEAR_MASK	GENMASK(7, 1)
> @@ -320,6 +359,7 @@
>  #define MLXPLAT_CPLD_WD_DFLT_TIMEOUT	30
>  #define MLXPLAT_CPLD_WD3_DFLT_TIMEOUT	600
>  #define MLXPLAT_CPLD_WD_MAX_DEVS	2
> +#define MLXPLAT_CPLD_DPU_MAX_DEVS	4
>  
>  #define MLXPLAT_CPLD_LPC_SYSIRQ		17
>  
> @@ -346,6 +386,7 @@
>   * @pdev_io_regs - register access platform devices
>   * @pdev_fan - FAN platform devices
>   * @pdev_wd - array of watchdog platform devices
> + * pdev_dpu - array of Data Processor Unit platform devices
>   * @regmap: device register map
>   * @hotplug_resources: system hotplug resources
>   * @hotplug_resources_size: size of system hotplug resources
> @@ -360,6 +401,7 @@ struct mlxplat_priv {
>  	struct platform_device *pdev_io_regs;
>  	struct platform_device *pdev_fan;
>  	struct platform_device *pdev_wd[MLXPLAT_CPLD_WD_MAX_DEVS];
> +	struct platform_device *pdev_dpu[MLXPLAT_CPLD_DPU_MAX_DEVS];
>  	void *regmap;
>  	struct resource *hotplug_resources;
>  	unsigned int hotplug_resources_size;
> @@ -626,6 +668,21 @@ static struct i2c_board_info mlxplat_mlxcpld_pwr_ng800[] = {
>  	},
>  };
>  
> +static struct i2c_board_info mlxplat_mlxcpld_xdr_pwr[] = {
> +	{
> +		I2C_BOARD_INFO("dps460", 0x5d),
> +	},
> +	{
> +		I2C_BOARD_INFO("dps460", 0x5c),
> +	},
> +	{
> +		I2C_BOARD_INFO("dps460", 0x5e),
> +	},
> +	{
> +		I2C_BOARD_INFO("dps460", 0x5f),
> +	},
> +};
> +
>  static struct i2c_board_info mlxplat_mlxcpld_fan[] = {
>  	{
>  		I2C_BOARD_INFO("24c32", 0x50),
> @@ -2370,205 +2427,665 @@ struct mlxreg_core_hotplug_platform_data mlxplat_mlxcpld_rack_switch_data = {
>  	.mask_low = MLXPLAT_CPLD_LOW_AGGR_MASK_LOW,
>  };
>  
> -/* Callback performs graceful shutdown after notification about power button event */
> -static int
> -mlxplat_mlxcpld_l1_switch_pwr_events_handler(void *handle, enum mlxreg_hotplug_kind kind,
> -					     u8 action)
> -{
> -	if (action) {
> -		dev_info(&mlxplat_dev->dev, "System shutdown due to short press of power button");
> -		kernel_power_off();
> -	}
> -
> -	return 0;
> -}
> -
> -static struct mlxreg_core_hotplug_notifier mlxplat_mlxcpld_l1_switch_pwr_events_notifier = {
> -	.user_handler = mlxplat_mlxcpld_l1_switch_pwr_events_handler,
> -};
> -
> -/* Platform hotplug for l1 switch systems family data */
> -static struct mlxreg_core_data mlxplat_mlxcpld_l1_switch_pwr_events_items_data[] = {
> +/* Platform hotplug XDR and smart switch system family data */
> +static struct mlxreg_core_data mlxplat_mlxcpld_xdr_psu_items_data[] = {
>  	{
> -		.label = "power_button",
> -		.reg = MLXPLAT_CPLD_LPC_REG_PWRB_OFFSET,
> -		.mask = MLXPLAT_CPLD_PWR_BUTTON_MASK,
> +		.label = "psu1",
> +		.reg = MLXPLAT_CPLD_LPC_REG_PSU_OFFSET,
> +		.mask = BIT(0),
> +		.slot = 1,
> +		.capability = MLXPLAT_CPLD_LPC_REG_PSU_I2C_CAP_OFFSET,
> +		.capability_mask = MLXPLAT_CPLD_PSU_CAP_MASK,
>  		.hpdev.nr = MLXPLAT_CPLD_NR_NONE,
> -		.hpdev.action = MLXREG_HOTPLUG_DEVICE_NO_ACTION,
> -		.hpdev.notifier = &mlxplat_mlxcpld_l1_switch_pwr_events_notifier,
>  	},
> -};
> -
> -/* Callback activates latch reset flow after notification about intrusion event */
> -static int
> -mlxplat_mlxcpld_l1_switch_intrusion_events_handler(void *handle, enum mlxreg_hotplug_kind kind,
> -						   u8 action)
> -{
> -	struct mlxplat_priv *priv = platform_get_drvdata(mlxplat_dev);
> -	u32 regval;
> -	int err;
> -
> -	err = regmap_read(priv->regmap, MLXPLAT_CPLD_LPC_REG_GP1_OFFSET, &regval);
> -	if (err)
> -		goto fail_regmap_read;
> -
> -	if (action) {
> -		dev_info(&mlxplat_dev->dev, "Detected intrusion - system latch is opened");
> -		err = regmap_write(priv->regmap, MLXPLAT_CPLD_LPC_REG_GP1_OFFSET,
> -				   regval | MLXPLAT_CPLD_LATCH_RST_MASK);
> -	} else {
> -		dev_info(&mlxplat_dev->dev, "System latch is properly closed");
> -		err = regmap_write(priv->regmap, MLXPLAT_CPLD_LPC_REG_GP1_OFFSET,
> -				   regval & ~MLXPLAT_CPLD_LATCH_RST_MASK);
> -	}
> -
> -	if (err)
> -		goto fail_regmap_write;
> -
> -	return 0;
> -
> -fail_regmap_read:
> -fail_regmap_write:
> -	dev_err(&mlxplat_dev->dev, "Register access failed");
> -	return err;
> -}
> -
> -static struct mlxreg_core_hotplug_notifier mlxplat_mlxcpld_l1_switch_intrusion_events_notifier = {
> -	.user_handler = mlxplat_mlxcpld_l1_switch_intrusion_events_handler,
> -};
> -
> -static struct mlxreg_core_data mlxplat_mlxcpld_l1_switch_health_events_items_data[] = {
>  	{
> -		.label = "thermal1_pdb",
> -		.reg = MLXPLAT_CPLD_LPC_REG_BRD_OFFSET,
> -		.mask = MLXPLAT_CPLD_THERMAL1_PDB_MASK,
> +		.label = "psu2",
> +		.reg = MLXPLAT_CPLD_LPC_REG_PSU_OFFSET,
> +		.mask = BIT(1),
> +		.slot = 2,
> +		.capability = MLXPLAT_CPLD_LPC_REG_PSU_I2C_CAP_OFFSET,
> +		.capability_mask = MLXPLAT_CPLD_PSU_CAP_MASK,
>  		.hpdev.nr = MLXPLAT_CPLD_NR_NONE,
>  	},
>  	{
> -		.label = "thermal2_pdb",
> -		.reg = MLXPLAT_CPLD_LPC_REG_BRD_OFFSET,
> -		.mask = MLXPLAT_CPLD_THERMAL2_PDB_MASK,
> +		.label = "psu3",
> +		.reg = MLXPLAT_CPLD_LPC_REG_PSU_OFFSET,
> +		.mask = BIT(2),
> +		.slot = 3,
> +		.capability = MLXPLAT_CPLD_LPC_REG_PSU_I2C_CAP_OFFSET,
> +		.capability_mask = MLXPLAT_CPLD_PSU_CAP_MASK,
>  		.hpdev.nr = MLXPLAT_CPLD_NR_NONE,
>  	},

Why's the diff such a mess in this patch?

Are you perhaps doing two things in this patch, that is, reorganizing the 
existing code/structs and adding new stuff? If that's the case, please try 
to do the reorganization in another patch before this one so the diff 
spaghetti is hopefully avoided.

--
 i.

>  	{
> -		.label = "intrusion",
> -		.reg = MLXPLAT_CPLD_LPC_REG_BRD_OFFSET,
> -		.mask = MLXPLAT_CPLD_INTRUSION_MASK,
> +		.label = "psu4",
> +		.reg = MLXPLAT_CPLD_LPC_REG_PSU_OFFSET,
> +		.mask = BIT(3),
> +		.slot = 4,
> +		.capability = MLXPLAT_CPLD_LPC_REG_PSU_I2C_CAP_OFFSET,
> +		.capability_mask = MLXPLAT_CPLD_PSU_CAP_MASK,
>  		.hpdev.nr = MLXPLAT_CPLD_NR_NONE,
> -		.hpdev.action = MLXREG_HOTPLUG_DEVICE_NO_ACTION,
> -		.hpdev.notifier = &mlxplat_mlxcpld_l1_switch_intrusion_events_notifier,
>  	},
>  	{
> -		.label = "pwm_pg",
> -		.reg = MLXPLAT_CPLD_LPC_REG_BRD_OFFSET,
> -		.mask = MLXPLAT_CPLD_PWM_PG_MASK,
> +		.label = "psu5",
> +		.reg = MLXPLAT_CPLD_LPC_REG_PSU_OFFSET,
> +		.mask = BIT(4),
> +		.slot = 5,
> +		.capability = MLXPLAT_CPLD_LPC_REG_PSU_I2C_CAP_OFFSET,
> +		.capability_mask = MLXPLAT_CPLD_PSU_CAP_MASK,
>  		.hpdev.nr = MLXPLAT_CPLD_NR_NONE,
>  	},
> -};
> -
> -static struct mlxreg_core_item mlxplat_mlxcpld_l1_switch_events_items[] = {
> -	{
> -		.data = mlxplat_mlxcpld_default_ng_fan_items_data,
> -		.aggr_mask = MLXPLAT_CPLD_AGGR_MASK_NG_DEF,
> -		.reg = MLXPLAT_CPLD_LPC_REG_FAN_OFFSET,
> -		.mask = MLXPLAT_CPLD_FAN_NG_MASK,
> -		.count = ARRAY_SIZE(mlxplat_mlxcpld_default_ng_fan_items_data),
> -		.inversed = 1,
> -		.health = false,
> -	},
> -	{
> -		.data = mlxplat_mlxcpld_erot_ap_items_data,
> -		.aggr_mask = MLXPLAT_CPLD_AGGR_MASK_NG_DEF,
> -		.reg = MLXPLAT_CPLD_LPC_REG_EROT_OFFSET,
> -		.mask = MLXPLAT_CPLD_EROT_MASK,
> -		.count = ARRAY_SIZE(mlxplat_mlxcpld_erot_ap_items_data),
> -		.inversed = 1,
> -		.health = false,
> -	},
>  	{
> -		.data = mlxplat_mlxcpld_erot_error_items_data,
> -		.aggr_mask = MLXPLAT_CPLD_AGGR_MASK_NG_DEF,
> -		.reg = MLXPLAT_CPLD_LPC_REG_EROTE_OFFSET,
> -		.mask = MLXPLAT_CPLD_EROT_MASK,
> -		.count = ARRAY_SIZE(mlxplat_mlxcpld_erot_error_items_data),
> -		.inversed = 1,
> -		.health = false,
> +		.label = "psu6",
> +		.reg = MLXPLAT_CPLD_LPC_REG_PSU_OFFSET,
> +		.mask = BIT(5),
> +		.slot = 6,
> +		.capability = MLXPLAT_CPLD_LPC_REG_PSU_I2C_CAP_OFFSET,
> +		.capability_mask = MLXPLAT_CPLD_PSU_CAP_MASK,
> +		.hpdev.nr = MLXPLAT_CPLD_NR_NONE,
>  	},
>  	{
> -		.data = mlxplat_mlxcpld_l1_switch_pwr_events_items_data,
> -		.aggr_mask = MLXPLAT_CPLD_AGGR_MASK_NG_DEF,
> -		.reg = MLXPLAT_CPLD_LPC_REG_PWRB_OFFSET,
> -		.mask = MLXPLAT_CPLD_PWR_BUTTON_MASK,
> -		.count = ARRAY_SIZE(mlxplat_mlxcpld_l1_switch_pwr_events_items_data),
> -		.inversed = 1,
> -		.health = false,
> +		.label = "psu7",
> +		.reg = MLXPLAT_CPLD_LPC_REG_PSU_OFFSET,
> +		.mask = BIT(6),
> +		.slot = 7,
> +		.capability = MLXPLAT_CPLD_LPC_REG_PSU_I2C_CAP_OFFSET,
> +		.capability_mask = MLXPLAT_CPLD_PSU_CAP_MASK,
> +		.hpdev.nr = MLXPLAT_CPLD_NR_NONE,
>  	},
>  	{
> -		.data = mlxplat_mlxcpld_l1_switch_health_events_items_data,
> -		.aggr_mask = MLXPLAT_CPLD_AGGR_MASK_NG_DEF,
> -		.reg = MLXPLAT_CPLD_LPC_REG_BRD_OFFSET,
> -		.mask = MLXPLAT_CPLD_L1_CHA_HEALTH_MASK,
> -		.count = ARRAY_SIZE(mlxplat_mlxcpld_l1_switch_health_events_items_data),
> -		.inversed = 1,
> -		.health = false,
> -		.ind = 8,
> +		.label = "psu8",
> +		.reg = MLXPLAT_CPLD_LPC_REG_PSU_OFFSET,
> +		.mask = BIT(7),
> +		.slot = 8,
> +		.capability = MLXPLAT_CPLD_LPC_REG_PSU_I2C_CAP_OFFSET,
> +		.capability_mask = MLXPLAT_CPLD_PSU_CAP_MASK,
> +		.hpdev.nr = MLXPLAT_CPLD_NR_NONE,
>  	},
>  };
>  
> -static
> -struct mlxreg_core_hotplug_platform_data mlxplat_mlxcpld_l1_switch_data = {
> -	.items = mlxplat_mlxcpld_l1_switch_events_items,
> -	.counter = ARRAY_SIZE(mlxplat_mlxcpld_l1_switch_events_items),
> -	.cell = MLXPLAT_CPLD_LPC_REG_AGGR_OFFSET,
> -	.mask = MLXPLAT_CPLD_AGGR_MASK_NG_DEF | MLXPLAT_CPLD_AGGR_MASK_COMEX,
> -	.cell_low = MLXPLAT_CPLD_LPC_REG_AGGRLO_OFFSET,
> -	.mask_low = MLXPLAT_CPLD_LOW_AGGR_MASK_LOW | MLXPLAT_CPLD_LOW_AGGR_MASK_PWR_BUT,
> -};
> -
> -/* Platform led default data */
> -static struct mlxreg_core_data mlxplat_mlxcpld_default_led_data[] = {
> +static struct mlxreg_core_data mlxplat_mlxcpld_xdr_pwr_items_data[] = {
>  	{
> -		.label = "status:green",
> -		.reg = MLXPLAT_CPLD_LPC_REG_LED1_OFFSET,
> -		.mask = MLXPLAT_CPLD_LED_LO_NIBBLE_MASK,
> +		.label = "pwr1",
> +		.reg = MLXPLAT_CPLD_LPC_REG_PWR_OFFSET,
> +		.mask = BIT(0),
> +		.slot = 1,
> +		.capability = MLXPLAT_CPLD_LPC_REG_PSU_I2C_CAP_OFFSET,
> +		.capability_mask = MLXPLAT_CPLD_PSU_CAP_MASK,
> +		.hpdev.brdinfo = &mlxplat_mlxcpld_pwr[0],
> +		.hpdev.nr = MLXPLAT_CPLD_PSU_MSNXXXX_NR,
>  	},
>  	{
> -		.label = "status:red",
> -		.reg = MLXPLAT_CPLD_LPC_REG_LED1_OFFSET,
> -		.mask = MLXPLAT_CPLD_LED_LO_NIBBLE_MASK
> +		.label = "pwr2",
> +		.reg = MLXPLAT_CPLD_LPC_REG_PWR_OFFSET,
> +		.mask = BIT(1),
> +		.slot = 2,
> +		.capability = MLXPLAT_CPLD_LPC_REG_PSU_I2C_CAP_OFFSET,
> +		.capability_mask = MLXPLAT_CPLD_PSU_CAP_MASK,
> +		.hpdev.brdinfo = &mlxplat_mlxcpld_pwr[1],
> +		.hpdev.nr = MLXPLAT_CPLD_PSU_MSNXXXX_NR,
>  	},
>  	{
> -		.label = "psu:green",
> -		.reg = MLXPLAT_CPLD_LPC_REG_LED1_OFFSET,
> -		.mask = MLXPLAT_CPLD_LED_HI_NIBBLE_MASK,
> +		.label = "pwr3",
> +		.reg = MLXPLAT_CPLD_LPC_REG_PWR_OFFSET,
> +		.mask = BIT(2),
> +		.slot = 3,
> +		.capability = MLXPLAT_CPLD_LPC_REG_PSU_I2C_CAP_OFFSET,
> +		.capability_mask = MLXPLAT_CPLD_PSU_CAP_MASK,
> +		.hpdev.brdinfo = &mlxplat_mlxcpld_ext_pwr[0],
> +		.hpdev.nr = MLXPLAT_CPLD_PSU_MSNXXXX_NR,
>  	},
>  	{
> -		.label = "psu:red",
> -		.reg = MLXPLAT_CPLD_LPC_REG_LED1_OFFSET,
> -		.mask = MLXPLAT_CPLD_LED_HI_NIBBLE_MASK,
> +		.label = "pwr4",
> +		.reg = MLXPLAT_CPLD_LPC_REG_PWR_OFFSET,
> +		.mask = BIT(3),
> +		.slot = 4,
> +		.capability = MLXPLAT_CPLD_LPC_REG_PSU_I2C_CAP_OFFSET,
> +		.capability_mask = MLXPLAT_CPLD_PSU_CAP_MASK,
> +		.hpdev.brdinfo = &mlxplat_mlxcpld_ext_pwr[1],
> +		.hpdev.nr = MLXPLAT_CPLD_PSU_MSNXXXX_NR,
>  	},
>  	{
> -		.label = "fan1:green",
> -		.reg = MLXPLAT_CPLD_LPC_REG_LED2_OFFSET,
> -		.mask = MLXPLAT_CPLD_LED_LO_NIBBLE_MASK,
> +		.label = "pwr5",
> +		.reg = MLXPLAT_CPLD_LPC_REG_PWR_OFFSET,
> +		.mask = BIT(4),
> +		.slot = 5,
> +		.capability = MLXPLAT_CPLD_LPC_REG_PSU_I2C_CAP_OFFSET,
> +		.capability_mask = MLXPLAT_CPLD_PSU_CAP_MASK,
> +		.hpdev.brdinfo = &mlxplat_mlxcpld_xdr_pwr[0],
> +		.hpdev.nr = MLXPLAT_CPLD_PSU_XDR_NR,
>  	},
>  	{
> -		.label = "fan1:red",
> -		.reg = MLXPLAT_CPLD_LPC_REG_LED2_OFFSET,
> -		.mask = MLXPLAT_CPLD_LED_LO_NIBBLE_MASK,
> +		.label = "pwr6",
> +		.reg = MLXPLAT_CPLD_LPC_REG_PWR_OFFSET,
> +		.mask = BIT(5),
> +		.slot = 6,
> +		.capability = MLXPLAT_CPLD_LPC_REG_PSU_I2C_CAP_OFFSET,
> +		.capability_mask = MLXPLAT_CPLD_PSU_CAP_MASK,
> +		.hpdev.brdinfo = &mlxplat_mlxcpld_xdr_pwr[1],
> +		.hpdev.nr = MLXPLAT_CPLD_PSU_XDR_NR,
>  	},
>  	{
> -		.label = "fan2:green",
> -		.reg = MLXPLAT_CPLD_LPC_REG_LED2_OFFSET,
> -		.mask = MLXPLAT_CPLD_LED_HI_NIBBLE_MASK,
> +		.label = "pwr7",
> +		.reg = MLXPLAT_CPLD_LPC_REG_PWR_OFFSET,
> +		.mask = BIT(6),
> +		.slot = 7,
> +		.capability = MLXPLAT_CPLD_LPC_REG_PSU_I2C_CAP_OFFSET,
> +		.capability_mask = MLXPLAT_CPLD_PSU_CAP_MASK,
> +		.hpdev.brdinfo = &mlxplat_mlxcpld_xdr_pwr[2],
> +		.hpdev.nr = MLXPLAT_CPLD_PSU_XDR_NR,
>  	},
>  	{
> -		.label = "fan2:red",
> -		.reg = MLXPLAT_CPLD_LPC_REG_LED2_OFFSET,
> -		.mask = MLXPLAT_CPLD_LED_HI_NIBBLE_MASK,
> +		.label = "pwr8",
> +		.reg = MLXPLAT_CPLD_LPC_REG_PWR_OFFSET,
> +		.mask = BIT(7),
> +		.slot = 8,
> +		.capability = MLXPLAT_CPLD_LPC_REG_PSU_I2C_CAP_OFFSET,
> +		.capability_mask = MLXPLAT_CPLD_PSU_CAP_MASK,
> +		.hpdev.brdinfo = &mlxplat_mlxcpld_xdr_pwr[3],
> +		.hpdev.nr = MLXPLAT_CPLD_PSU_XDR_NR,
>  	},
> +};
> +
> +static struct mlxreg_core_data mlxplat_mlxcpld_xdr_fan_items_data[] = {
>  	{
> -		.label = "fan3:green",
> +		.label = "fan1",
> +		.reg = MLXPLAT_CPLD_LPC_REG_FAN_OFFSET,
> +		.mask = BIT(0),
> +		.slot = 1,
> +		.capability = MLXPLAT_CPLD_LPC_REG_FAN_DRW_CAP_OFFSET,
> +		.capability_mask = MLXPLAT_CPLD_FAN_XDR_MASK,
> +		.bit = BIT(0),
> +		.hpdev.nr = MLXPLAT_CPLD_NR_NONE,
> +	},
> +	{
> +		.label = "fan2",
> +		.reg = MLXPLAT_CPLD_LPC_REG_FAN_OFFSET,
> +		.mask = BIT(1),
> +		.slot = 2,
> +		.capability = MLXPLAT_CPLD_LPC_REG_FAN_DRW_CAP_OFFSET,
> +		.capability_mask = MLXPLAT_CPLD_FAN_XDR_MASK,
> +		.bit = BIT(1),
> +		.hpdev.nr = MLXPLAT_CPLD_NR_NONE,
> +	},
> +	{
> +		.label = "fan3",
> +		.reg = MLXPLAT_CPLD_LPC_REG_FAN_OFFSET,
> +		.mask = BIT(2),
> +		.slot = 3,
> +		.capability = MLXPLAT_CPLD_LPC_REG_FAN_DRW_CAP_OFFSET,
> +		.capability_mask = MLXPLAT_CPLD_FAN_XDR_MASK,
> +		.bit = BIT(2),
> +		.hpdev.nr = MLXPLAT_CPLD_NR_NONE,
> +	},
> +	{
> +		.label = "fan4",
> +		.reg = MLXPLAT_CPLD_LPC_REG_FAN_OFFSET,
> +		.mask = BIT(3),
> +		.slot = 4,
> +		.capability = MLXPLAT_CPLD_LPC_REG_FAN_DRW_CAP_OFFSET,
> +		.capability_mask = MLXPLAT_CPLD_FAN_XDR_MASK,
> +		.bit = BIT(3),
> +		.hpdev.nr = MLXPLAT_CPLD_NR_NONE,
> +	},
> +	{
> +		.label = "fan5",
> +		.reg = MLXPLAT_CPLD_LPC_REG_FAN_OFFSET,
> +		.mask = BIT(4),
> +		.slot = 5,
> +		.capability = MLXPLAT_CPLD_LPC_REG_FAN_DRW_CAP_OFFSET,
> +		.capability_mask = MLXPLAT_CPLD_FAN_XDR_MASK,
> +		.bit = BIT(4),
> +		.hpdev.nr = MLXPLAT_CPLD_NR_NONE,
> +	},
> +	{
> +		.label = "fan6",
> +		.reg = MLXPLAT_CPLD_LPC_REG_FAN_OFFSET,
> +		.mask = BIT(5),
> +		.slot = 6,
> +		.capability = MLXPLAT_CPLD_LPC_REG_FAN_DRW_CAP_OFFSET,
> +		.capability_mask = MLXPLAT_CPLD_FAN_XDR_MASK,
> +		.bit = BIT(5),
> +		.hpdev.nr = MLXPLAT_CPLD_NR_NONE,
> +	},
> +	{
> +		.label = "fan7",
> +		.reg = MLXPLAT_CPLD_LPC_REG_FAN_OFFSET,
> +		.mask = BIT(6),
> +		.slot = 7,
> +		.capability = MLXPLAT_CPLD_LPC_REG_FAN_DRW_CAP_OFFSET,
> +		.capability_mask = MLXPLAT_CPLD_FAN_XDR_MASK,
> +		.bit = BIT(6),
> +		.hpdev.nr = MLXPLAT_CPLD_NR_NONE,
> +	},
> +	{
> +		.label = "fan8",
> +		.reg = MLXPLAT_CPLD_LPC_REG_FAN_OFFSET,
> +		.mask = BIT(7),
> +		.slot = 8,
> +		.capability = MLXPLAT_CPLD_LPC_REG_FAN_DRW_CAP_OFFSET,
> +		.capability_mask = MLXPLAT_CPLD_FAN_XDR_MASK,
> +		.bit = BIT(7),
> +		.hpdev.nr = MLXPLAT_CPLD_NR_NONE,
> +	},
> +};
> +
> +static struct mlxreg_core_data mlxplat_mlxcpld_xdr_asic1_items_data[] = {
> +	{
> +		.label = "asic1",
> +		.reg = MLXPLAT_CPLD_LPC_REG_ASIC_HEALTH_OFFSET,
> +		.mask = MLXPLAT_CPLD_ASIC_MASK,
> +		.slot = 1,
> +		.capability = MLXPLAT_CPLD_LPC_REG_ASIC_CAP_OFFSET,
> +		.capability_mask = MLXPLAT_CPLD_ASIC_CAP_MASK,
> +		.hpdev.nr = MLXPLAT_CPLD_NR_NONE,
> +	}
> +};
> +
> +/* Platform hotplug for smart switch systems families data */
> +static struct mlxreg_core_data mlxplat_mlxcpld_smart_switch_dpu_ready_data[] = {
> +	{
> +		.label = "dpu1_ready",
> +		.reg = MLXPLAT_CPLD_LPC_REG_LC_RD_OFFSET,
> +		.mask = BIT(0),
> +		.slot = 1,
> +		.capability = MLXPLAT_CPLD_LPC_REG_SLOT_QTY_OFFSET,
> +		.capability_mask = MLXPLAT_CPLD_DPU_MASK,
> +		.hpdev.nr = MLXPLAT_CPLD_NR_NONE,
> +	},
> +	{
> +		.label = "dpu2_ready",
> +		.reg = MLXPLAT_CPLD_LPC_REG_LC_RD_OFFSET,
> +		.mask = BIT(1),
> +		.slot = 2,
> +		.capability = MLXPLAT_CPLD_LPC_REG_SLOT_QTY_OFFSET,
> +		.capability_mask = MLXPLAT_CPLD_DPU_MASK,
> +		.hpdev.nr = MLXPLAT_CPLD_NR_NONE,
> +	},
> +	{
> +		.label = "dpu3_ready",
> +		.reg = MLXPLAT_CPLD_LPC_REG_LC_RD_OFFSET,
> +		.mask = BIT(2),
> +		.slot = 3,
> +		.capability = MLXPLAT_CPLD_LPC_REG_SLOT_QTY_OFFSET,
> +		.capability_mask = MLXPLAT_CPLD_DPU_MASK,
> +		.hpdev.nr = MLXPLAT_CPLD_NR_NONE,
> +	},
> +	{
> +		.label = "dpu4_ready",
> +		.reg = MLXPLAT_CPLD_LPC_REG_LC_RD_OFFSET,
> +		.mask = BIT(3),
> +		.slot = 4,
> +		.capability = MLXPLAT_CPLD_LPC_REG_SLOT_QTY_OFFSET,
> +		.capability_mask = MLXPLAT_CPLD_DPU_MASK,
> +		.hpdev.nr = MLXPLAT_CPLD_NR_NONE,
> +	},
> +};
> +
> +static struct mlxreg_core_data mlxplat_mlxcpld_smart_switch_dpu_shtdn_ready_data[] = {
> +	{
> +		.label = "dpu1_shtdn_ready",
> +		.reg = MLXPLAT_CPLD_LPC_REG_LC_SN_OFFSET,
> +		.mask = BIT(0),
> +		.slot = 1,
> +		.capability = MLXPLAT_CPLD_LPC_REG_SLOT_QTY_OFFSET,
> +		.capability_mask = MLXPLAT_CPLD_DPU_MASK,
> +		.hpdev.nr = MLXPLAT_CPLD_NR_NONE,
> +	},
> +	{
> +		.label = "dpu2_shtdn_ready",
> +		.reg = MLXPLAT_CPLD_LPC_REG_LC_SN_OFFSET,
> +		.mask = BIT(1),
> +		.slot = 2,
> +		.capability = MLXPLAT_CPLD_LPC_REG_SLOT_QTY_OFFSET,
> +		.capability_mask = MLXPLAT_CPLD_DPU_MASK,
> +		.hpdev.nr = MLXPLAT_CPLD_NR_NONE,
> +	},
> +	{
> +		.label = "dpu3_shtdn_ready",
> +		.reg = MLXPLAT_CPLD_LPC_REG_LC_SN_OFFSET,
> +		.mask = BIT(2),
> +		.slot = 3,
> +		.capability = MLXPLAT_CPLD_LPC_REG_SLOT_QTY_OFFSET,
> +		.capability_mask = MLXPLAT_CPLD_DPU_MASK,
> +		.hpdev.nr = MLXPLAT_CPLD_NR_NONE,
> +	},
> +	{
> +		.label = "dpu4_shtdn_ready",
> +		.reg = MLXPLAT_CPLD_LPC_REG_LC_SN_OFFSET,
> +		.mask = BIT(3),
> +		.slot = 4,
> +		.capability = MLXPLAT_CPLD_LPC_REG_SLOT_QTY_OFFSET,
> +		.capability_mask = MLXPLAT_CPLD_DPU_MASK,
> +		.hpdev.nr = MLXPLAT_CPLD_NR_NONE,
> +	},
> +};
> +
> +static struct mlxreg_core_item mlxplat_mlxcpld_smart_switch_items[] = {
> +	{
> +		.data = mlxplat_mlxcpld_xdr_psu_items_data,
> +		.aggr_mask = MLXPLAT_CPLD_AGGR_MASK_NG_DEF,
> +		.reg = MLXPLAT_CPLD_LPC_REG_PSU_OFFSET,
> +		.mask = MLXPLAT_CPLD_PSU_XDR_MASK,
> +		.capability = MLXPLAT_CPLD_LPC_REG_PSU_I2C_CAP_OFFSET,
> +		.capability_mask = MLXPLAT_CPLD_PSU_CAP_MASK,
> +		.count = ARRAY_SIZE(mlxplat_mlxcpld_xdr_psu_items_data),
> +		.inversed = 1,
> +		.health = false,
> +	},
> +	{
> +		.data = mlxplat_mlxcpld_xdr_pwr_items_data,
> +		.aggr_mask = MLXPLAT_CPLD_AGGR_MASK_NG_DEF,
> +		.reg = MLXPLAT_CPLD_LPC_REG_PWR_OFFSET,
> +		.mask = MLXPLAT_CPLD_PWR_XDR_MASK,
> +		.capability = MLXPLAT_CPLD_LPC_REG_PSU_I2C_CAP_OFFSET,
> +		.capability_mask = MLXPLAT_CPLD_PSU_CAP_MASK,
> +		.count = ARRAY_SIZE(mlxplat_mlxcpld_xdr_pwr_items_data),
> +		.inversed = 0,
> +		.health = false,
> +	},
> +	{
> +		.data = mlxplat_mlxcpld_xdr_fan_items_data,
> +		.aggr_mask = MLXPLAT_CPLD_AGGR_MASK_NG_DEF,
> +		.reg = MLXPLAT_CPLD_LPC_REG_FAN_OFFSET,
> +		.mask = MLXPLAT_CPLD_FAN_XDR_MASK,
> +		.capability = MLXPLAT_CPLD_LPC_REG_FAN_DRW_CAP_OFFSET,
> +		.capability_mask = MLXPLAT_CPLD_FAN_CAP_MASK,
> +		.count = ARRAY_SIZE(mlxplat_mlxcpld_xdr_fan_items_data),
> +		.inversed = 1,
> +		.health = false,
> +	},
> +	{
> +		.data = mlxplat_mlxcpld_xdr_asic1_items_data,
> +		.aggr_mask = MLXPLAT_CPLD_AGGR_MASK_NG_DEF,
> +		.reg = MLXPLAT_CPLD_LPC_REG_ASIC_HEALTH_OFFSET,
> +		.mask = MLXPLAT_CPLD_ASIC_XDR_MASK,
> +		.capability = MLXPLAT_CPLD_LPC_REG_ASIC_CAP_OFFSET,
> +		.capability_mask = MLXPLAT_CPLD_ASIC_CAP_MASK,
> +		.count = ARRAY_SIZE(mlxplat_mlxcpld_xdr_asic1_items_data),
> +		.inversed = 0,
> +		.health = true,
> +	},
> +	{
> +		.data = mlxplat_mlxcpld_smart_switch_dpu_ready_data,
> +		.aggr_mask = MLXPLAT_CPLD_AGGR_MASK_DPU_CORE,
> +		.reg = MLXPLAT_CPLD_LPC_REG_LC_RD_OFFSET,
> +		.mask = MLXPLAT_CPLD_DPU_MASK,
> +		.capability = MLXPLAT_CPLD_LPC_REG_SLOT_QTY_OFFSET,
> +		.capability_mask = MLXPLAT_CPLD_DPU_MASK,
> +		.count = ARRAY_SIZE(mlxplat_mlxcpld_smart_switch_dpu_ready_data),
> +		.inversed = 1,
> +		.health = false,
> +	},
> +	{
> +		.data = mlxplat_mlxcpld_smart_switch_dpu_shtdn_ready_data,
> +		.aggr_mask = MLXPLAT_CPLD_AGGR_MASK_DPU_CORE,
> +		.reg = MLXPLAT_CPLD_LPC_REG_LC_SN_OFFSET,
> +		.mask = MLXPLAT_CPLD_DPU_MASK,
> +		.capability = MLXPLAT_CPLD_LPC_REG_SLOT_QTY_OFFSET,
> +		.capability_mask = MLXPLAT_CPLD_DPU_MASK,
> +		.count = ARRAY_SIZE(mlxplat_mlxcpld_smart_switch_dpu_shtdn_ready_data),
> +		.inversed = 1,
> +		.health = false,
> +	},
> +};
> +
> +static
> +struct mlxreg_core_hotplug_platform_data mlxplat_mlxcpld_smart_switch_data = {
> +	.items = mlxplat_mlxcpld_smart_switch_items,
> +	.counter = ARRAY_SIZE(mlxplat_mlxcpld_smart_switch_items),
> +	.cell = MLXPLAT_CPLD_LPC_REG_AGGR_OFFSET,
> +	.mask = MLXPLAT_CPLD_AGGR_MASK_NG_DEF | MLXPLAT_CPLD_AGGR_MASK_COMEX |
> +		MLXPLAT_CPLD_AGGR_MASK_DPU_BRD | MLXPLAT_CPLD_AGGR_MASK_DPU_CORE,
> +	.cell_low = MLXPLAT_CPLD_LPC_REG_AGGRLO_OFFSET,
> +	.mask_low = MLXPLAT_CPLD_LOW_AGGR_MASK_LOW,
> +};
> +
> +/* Smart switch data  processor units data */
> +static struct i2c_board_info mlxplat_mlxcpld_smart_switch_dpu_devs[] = {
> +	{
> +		I2C_BOARD_INFO("mlxreg-dpu", MLXPLAT_CPLD_DPU_ADDR),
> +		.irq = MLXPLAT_CPLD_LPC_SYSIRQ,
> +	},
> +	{
> +		I2C_BOARD_INFO("mlxreg-dpu", MLXPLAT_CPLD_DPU_ADDR),
> +		.irq = MLXPLAT_CPLD_LPC_SYSIRQ,
> +	},
> +	{
> +		I2C_BOARD_INFO("mlxreg-dpu", MLXPLAT_CPLD_DPU_ADDR),
> +		.irq = MLXPLAT_CPLD_LPC_SYSIRQ,
> +	},
> +	{
> +		I2C_BOARD_INFO("mlxreg-dpu", MLXPLAT_CPLD_DPU_ADDR),
> +		.irq = MLXPLAT_CPLD_LPC_SYSIRQ,
> +	},
> +};
> +
> +static struct mlxreg_core_data mlxplat_mlxcpld_smart_switch_dpu_data[] = {
> +	{
> +		.label = "dpu1",
> +		.hpdev.brdinfo = &mlxplat_mlxcpld_smart_switch_dpu_devs[0],
> +		.hpdev.nr = MLXPLAT_CPLD_NR_DPU_BASE,
> +		.slot = 1,
> +	},
> +	{
> +		.label = "dpu2",
> +		.hpdev.brdinfo = &mlxplat_mlxcpld_smart_switch_dpu_devs[1],
> +		.hpdev.nr = MLXPLAT_CPLD_NR_DPU_BASE + 1,
> +		.slot = 2,
> +	},
> +	{
> +		.label = "dpu3",
> +		.hpdev.brdinfo = &mlxplat_mlxcpld_smart_switch_dpu_devs[2],
> +		.hpdev.nr = MLXPLAT_CPLD_NR_DPU_BASE + 2,
> +		.slot = 3,
> +	},
> +	{
> +		.label = "dpu4",
> +		.hpdev.brdinfo = &mlxplat_mlxcpld_smart_switch_dpu_devs[2],
> +		.hpdev.nr = MLXPLAT_CPLD_NR_DPU_BASE + 3,
> +		.slot = 4,
> +	},
> +};
> +
> +/* Callback performs graceful shutdown after notification about power button event */
> +static int
> +mlxplat_mlxcpld_l1_switch_pwr_events_handler(void *handle, enum mlxreg_hotplug_kind kind,
> +					     u8 action)
> +{
> +	if (action) {
> +		dev_info(&mlxplat_dev->dev, "System shutdown due to short press of power button");
> +		kernel_power_off();
> +	}
> +
> +	return 0;
> +}
> +
> +static struct mlxreg_core_hotplug_notifier mlxplat_mlxcpld_l1_switch_pwr_events_notifier = {
> +	.user_handler = mlxplat_mlxcpld_l1_switch_pwr_events_handler,
> +};
> +
> +/* Platform hotplug for l1 switch systems family data */
> +static struct mlxreg_core_data mlxplat_mlxcpld_l1_switch_pwr_events_items_data[] = {
> +	{
> +		.label = "power_button",
> +		.reg = MLXPLAT_CPLD_LPC_REG_PWRB_OFFSET,
> +		.mask = MLXPLAT_CPLD_PWR_BUTTON_MASK,
> +		.hpdev.nr = MLXPLAT_CPLD_NR_NONE,
> +		.hpdev.action = MLXREG_HOTPLUG_DEVICE_NO_ACTION,
> +		.hpdev.notifier = &mlxplat_mlxcpld_l1_switch_pwr_events_notifier,
> +	},
> +};
> +
> +/* Callback activates latch reset flow after notification about intrusion event */
> +static int
> +mlxplat_mlxcpld_l1_switch_intrusion_events_handler(void *handle, enum mlxreg_hotplug_kind kind,
> +						   u8 action)
> +{
> +	struct mlxplat_priv *priv = platform_get_drvdata(mlxplat_dev);
> +	u32 regval;
> +	int err;
> +
> +	err = regmap_read(priv->regmap, MLXPLAT_CPLD_LPC_REG_GP1_OFFSET, &regval);
> +	if (err)
> +		goto fail_regmap_read;
> +
> +	if (action) {
> +		dev_info(&mlxplat_dev->dev, "Detected intrusion - system latch is opened");
> +		err = regmap_write(priv->regmap, MLXPLAT_CPLD_LPC_REG_GP1_OFFSET,
> +				   regval | MLXPLAT_CPLD_LATCH_RST_MASK);
> +	} else {
> +		dev_info(&mlxplat_dev->dev, "System latch is properly closed");
> +		err = regmap_write(priv->regmap, MLXPLAT_CPLD_LPC_REG_GP1_OFFSET,
> +				   regval & ~MLXPLAT_CPLD_LATCH_RST_MASK);
> +	}
> +
> +	if (err)
> +		goto fail_regmap_write;
> +
> +	return 0;
> +
> +fail_regmap_read:
> +fail_regmap_write:
> +	dev_err(&mlxplat_dev->dev, "Register access failed");
> +	return err;
> +}
> +
> +static struct mlxreg_core_hotplug_notifier mlxplat_mlxcpld_l1_switch_intrusion_events_notifier = {
> +	.user_handler = mlxplat_mlxcpld_l1_switch_intrusion_events_handler,
> +};
> +
> +static struct mlxreg_core_data mlxplat_mlxcpld_l1_switch_health_events_items_data[] = {
> +	{
> +		.label = "thermal1_pdb",
> +		.reg = MLXPLAT_CPLD_LPC_REG_BRD_OFFSET,
> +		.mask = MLXPLAT_CPLD_THERMAL1_PDB_MASK,
> +		.hpdev.nr = MLXPLAT_CPLD_NR_NONE,
> +	},
> +	{
> +		.label = "thermal2_pdb",
> +		.reg = MLXPLAT_CPLD_LPC_REG_BRD_OFFSET,
> +		.mask = MLXPLAT_CPLD_THERMAL2_PDB_MASK,
> +		.hpdev.nr = MLXPLAT_CPLD_NR_NONE,
> +	},
> +	{
> +		.label = "intrusion",
> +		.reg = MLXPLAT_CPLD_LPC_REG_BRD_OFFSET,
> +		.mask = MLXPLAT_CPLD_INTRUSION_MASK,
> +		.hpdev.nr = MLXPLAT_CPLD_NR_NONE,
> +		.hpdev.action = MLXREG_HOTPLUG_DEVICE_NO_ACTION,
> +		.hpdev.notifier = &mlxplat_mlxcpld_l1_switch_intrusion_events_notifier,
> +	},
> +	{
> +		.label = "pwm_pg",
> +		.reg = MLXPLAT_CPLD_LPC_REG_BRD_OFFSET,
> +		.mask = MLXPLAT_CPLD_PWM_PG_MASK,
> +		.hpdev.nr = MLXPLAT_CPLD_NR_NONE,
> +	},
> +};
> +
> +static struct mlxreg_core_item mlxplat_mlxcpld_l1_switch_events_items[] = {
> +	{
> +		.data = mlxplat_mlxcpld_default_ng_fan_items_data,
> +		.aggr_mask = MLXPLAT_CPLD_AGGR_MASK_NG_DEF,
> +		.reg = MLXPLAT_CPLD_LPC_REG_FAN_OFFSET,
> +		.mask = MLXPLAT_CPLD_FAN_NG_MASK,
> +		.count = ARRAY_SIZE(mlxplat_mlxcpld_default_ng_fan_items_data),
> +		.inversed = 1,
> +		.health = false,
> +	},
> +	{
> +		.data = mlxplat_mlxcpld_erot_ap_items_data,
> +		.aggr_mask = MLXPLAT_CPLD_AGGR_MASK_NG_DEF,
> +		.reg = MLXPLAT_CPLD_LPC_REG_EROT_OFFSET,
> +		.mask = MLXPLAT_CPLD_EROT_MASK,
> +		.count = ARRAY_SIZE(mlxplat_mlxcpld_erot_ap_items_data),
> +		.inversed = 1,
> +		.health = false,
> +	},
> +	{
> +		.data = mlxplat_mlxcpld_erot_error_items_data,
> +		.aggr_mask = MLXPLAT_CPLD_AGGR_MASK_NG_DEF,
> +		.reg = MLXPLAT_CPLD_LPC_REG_EROTE_OFFSET,
> +		.mask = MLXPLAT_CPLD_EROT_MASK,
> +		.count = ARRAY_SIZE(mlxplat_mlxcpld_erot_error_items_data),
> +		.inversed = 1,
> +		.health = false,
> +	},
> +	{
> +		.data = mlxplat_mlxcpld_l1_switch_pwr_events_items_data,
> +		.aggr_mask = MLXPLAT_CPLD_AGGR_MASK_NG_DEF,
> +		.reg = MLXPLAT_CPLD_LPC_REG_PWRB_OFFSET,
> +		.mask = MLXPLAT_CPLD_PWR_BUTTON_MASK,
> +		.count = ARRAY_SIZE(mlxplat_mlxcpld_l1_switch_pwr_events_items_data),
> +		.inversed = 1,
> +		.health = false,
> +	},
> +	{
> +		.data = mlxplat_mlxcpld_l1_switch_health_events_items_data,
> +		.aggr_mask = MLXPLAT_CPLD_AGGR_MASK_NG_DEF,
> +		.reg = MLXPLAT_CPLD_LPC_REG_BRD_OFFSET,
> +		.mask = MLXPLAT_CPLD_L1_CHA_HEALTH_MASK,
> +		.count = ARRAY_SIZE(mlxplat_mlxcpld_l1_switch_health_events_items_data),
> +		.inversed = 1,
> +		.health = false,
> +		.ind = 8,
> +	},
> +};
> +
> +static
> +struct mlxreg_core_hotplug_platform_data mlxplat_mlxcpld_l1_switch_data = {
> +	.items = mlxplat_mlxcpld_l1_switch_events_items,
> +	.counter = ARRAY_SIZE(mlxplat_mlxcpld_l1_switch_events_items),
> +	.cell = MLXPLAT_CPLD_LPC_REG_AGGR_OFFSET,
> +	.mask = MLXPLAT_CPLD_AGGR_MASK_NG_DEF | MLXPLAT_CPLD_AGGR_MASK_COMEX,
> +	.cell_low = MLXPLAT_CPLD_LPC_REG_AGGRLO_OFFSET,
> +	.mask_low = MLXPLAT_CPLD_LOW_AGGR_MASK_LOW | MLXPLAT_CPLD_LOW_AGGR_MASK_PWR_BUT,
> +};
> +
> +/* Platform led default data */
> +static struct mlxreg_core_data mlxplat_mlxcpld_default_led_data[] = {
> +	{
> +		.label = "status:green",
> +		.reg = MLXPLAT_CPLD_LPC_REG_LED1_OFFSET,
> +		.mask = MLXPLAT_CPLD_LED_LO_NIBBLE_MASK,
> +	},
> +	{
> +		.label = "status:red",
> +		.reg = MLXPLAT_CPLD_LPC_REG_LED1_OFFSET,
> +		.mask = MLXPLAT_CPLD_LED_LO_NIBBLE_MASK
> +	},
> +	{
> +		.label = "psu:green",
> +		.reg = MLXPLAT_CPLD_LPC_REG_LED1_OFFSET,
> +		.mask = MLXPLAT_CPLD_LED_HI_NIBBLE_MASK,
> +	},
> +	{
> +		.label = "psu:red",
> +		.reg = MLXPLAT_CPLD_LPC_REG_LED1_OFFSET,
> +		.mask = MLXPLAT_CPLD_LED_HI_NIBBLE_MASK,
> +	},
> +	{
> +		.label = "fan1:green",
> +		.reg = MLXPLAT_CPLD_LPC_REG_LED2_OFFSET,
> +		.mask = MLXPLAT_CPLD_LED_LO_NIBBLE_MASK,
> +	},
> +	{
> +		.label = "fan1:red",
> +		.reg = MLXPLAT_CPLD_LPC_REG_LED2_OFFSET,
> +		.mask = MLXPLAT_CPLD_LED_LO_NIBBLE_MASK,
> +	},
> +	{
> +		.label = "fan2:green",
> +		.reg = MLXPLAT_CPLD_LPC_REG_LED2_OFFSET,
> +		.mask = MLXPLAT_CPLD_LED_HI_NIBBLE_MASK,
> +	},
> +	{
> +		.label = "fan2:red",
> +		.reg = MLXPLAT_CPLD_LPC_REG_LED2_OFFSET,
> +		.mask = MLXPLAT_CPLD_LED_HI_NIBBLE_MASK,
> +	},
> +	{
> +		.label = "fan3:green",
>  		.reg = MLXPLAT_CPLD_LPC_REG_LED3_OFFSET,
>  		.mask = MLXPLAT_CPLD_LED_LO_NIBBLE_MASK,
>  	},
> @@ -3088,67 +3605,241 @@ static struct mlxreg_core_data mlxplat_mlxcpld_l1_switch_led_data[] = {
>  		.bit = BIT(1),
>  	},
>  	{
> -		.label = "fan2:orange",
> -		.reg = MLXPLAT_CPLD_LPC_REG_LED2_OFFSET,
> +		.label = "fan2:orange",
> +		.reg = MLXPLAT_CPLD_LPC_REG_LED2_OFFSET,
> +		.mask = MLXPLAT_CPLD_LED_HI_NIBBLE_MASK,
> +		.capability = MLXPLAT_CPLD_LPC_REG_FAN_DRW_CAP_OFFSET,
> +		.bit = BIT(1),
> +	},
> +	{
> +		.label = "fan3:green",
> +		.reg = MLXPLAT_CPLD_LPC_REG_LED3_OFFSET,
> +		.mask = MLXPLAT_CPLD_LED_LO_NIBBLE_MASK,
> +		.capability = MLXPLAT_CPLD_LPC_REG_FAN_DRW_CAP_OFFSET,
> +		.bit = BIT(2),
> +	},
> +	{
> +		.label = "fan3:orange",
> +		.reg = MLXPLAT_CPLD_LPC_REG_LED3_OFFSET,
> +		.mask = MLXPLAT_CPLD_LED_LO_NIBBLE_MASK,
> +		.capability = MLXPLAT_CPLD_LPC_REG_FAN_DRW_CAP_OFFSET,
> +		.bit = BIT(2),
> +	},
> +	{
> +		.label = "fan4:green",
> +		.reg = MLXPLAT_CPLD_LPC_REG_LED3_OFFSET,
> +		.mask = MLXPLAT_CPLD_LED_HI_NIBBLE_MASK,
> +		.capability = MLXPLAT_CPLD_LPC_REG_FAN_DRW_CAP_OFFSET,
> +		.bit = BIT(3),
> +	},
> +	{
> +		.label = "fan4:orange",
> +		.reg = MLXPLAT_CPLD_LPC_REG_LED3_OFFSET,
> +		.mask = MLXPLAT_CPLD_LED_HI_NIBBLE_MASK,
> +		.capability = MLXPLAT_CPLD_LPC_REG_FAN_DRW_CAP_OFFSET,
> +		.bit = BIT(3),
> +	},
> +	{
> +		.label = "fan5:green",
> +		.reg = MLXPLAT_CPLD_LPC_REG_LED4_OFFSET,
> +		.mask = MLXPLAT_CPLD_LED_LO_NIBBLE_MASK,
> +		.capability = MLXPLAT_CPLD_LPC_REG_FAN_DRW_CAP_OFFSET,
> +		.bit = BIT(4),
> +	},
> +	{
> +		.label = "fan5:orange",
> +		.reg = MLXPLAT_CPLD_LPC_REG_LED4_OFFSET,
> +		.mask = MLXPLAT_CPLD_LED_LO_NIBBLE_MASK,
> +		.capability = MLXPLAT_CPLD_LPC_REG_FAN_DRW_CAP_OFFSET,
> +		.bit = BIT(4),
> +	},
> +	{
> +		.label = "fan6:green",
> +		.reg = MLXPLAT_CPLD_LPC_REG_LED4_OFFSET,
> +		.mask = MLXPLAT_CPLD_LED_HI_NIBBLE_MASK,
> +		.capability = MLXPLAT_CPLD_LPC_REG_FAN_DRW_CAP_OFFSET,
> +		.bit = BIT(5),
> +	},
> +	{
> +		.label = "fan6:orange",
> +		.reg = MLXPLAT_CPLD_LPC_REG_LED4_OFFSET,
> +		.mask = MLXPLAT_CPLD_LED_HI_NIBBLE_MASK,
> +		.capability = MLXPLAT_CPLD_LPC_REG_FAN_DRW_CAP_OFFSET,
> +		.bit = BIT(5),
> +	},
> +	{
> +		.label = "uid:blue",
> +		.reg = MLXPLAT_CPLD_LPC_REG_LED5_OFFSET,
> +		.mask = MLXPLAT_CPLD_LED_LO_NIBBLE_MASK,
> +	},
> +};
> +
> +static struct mlxreg_core_platform_data mlxplat_l1_switch_led_data = {
> +		.data = mlxplat_mlxcpld_l1_switch_led_data,
> +		.counter = ARRAY_SIZE(mlxplat_mlxcpld_l1_switch_led_data),
> +};
> +
> +/* Platform led data for XDR and smart switch systems */
> +static struct mlxreg_core_data mlxplat_mlxcpld_xdr_led_data[] = {
> +	{
> +		.label = "status:green",
> +		.reg = MLXPLAT_CPLD_LPC_REG_LED1_OFFSET,
> +		.mask = MLXPLAT_CPLD_LED_LO_NIBBLE_MASK,
> +	},
> +	{
> +		.label = "status:orange",
> +		.reg = MLXPLAT_CPLD_LPC_REG_LED1_OFFSET,
> +		.mask = MLXPLAT_CPLD_LED_LO_NIBBLE_MASK
> +	},
> +	{
> +		.label = "psu:green",
> +		.reg = MLXPLAT_CPLD_LPC_REG_LED1_OFFSET,
> +		.mask = MLXPLAT_CPLD_LED_HI_NIBBLE_MASK,
> +	},
> +	{
> +		.label = "psu:orange",
> +		.reg = MLXPLAT_CPLD_LPC_REG_LED1_OFFSET,
> +		.mask = MLXPLAT_CPLD_LED_HI_NIBBLE_MASK,
> +	},
> +	{
> +		.label = "fan1:green",
> +		.reg = MLXPLAT_CPLD_LPC_REG_LED2_OFFSET,
> +		.mask = MLXPLAT_CPLD_LED_LO_NIBBLE_MASK,
> +		.capability = MLXPLAT_CPLD_LPC_REG_FAN_DRW_CAP_OFFSET,
> +		.slot = 1,
> +	},
> +	{
> +		.label = "fan1:orange",
> +		.reg = MLXPLAT_CPLD_LPC_REG_LED2_OFFSET,
> +		.mask = MLXPLAT_CPLD_LED_LO_NIBBLE_MASK,
> +		.capability = MLXPLAT_CPLD_LPC_REG_FAN_DRW_CAP_OFFSET,
> +		.slot = 1,
> +	},
> +	{
> +		.label = "fan2:green",
> +		.reg = MLXPLAT_CPLD_LPC_REG_LED2_OFFSET,
> +		.mask = MLXPLAT_CPLD_LED_HI_NIBBLE_MASK,
> +		.capability = MLXPLAT_CPLD_LPC_REG_FAN_DRW_CAP_OFFSET,
> +		.slot = 2,
> +	},
> +	{
> +		.label = "fan2:orange",
> +		.reg = MLXPLAT_CPLD_LPC_REG_LED2_OFFSET,
> +		.mask = MLXPLAT_CPLD_LED_HI_NIBBLE_MASK,
> +		.capability = MLXPLAT_CPLD_LPC_REG_FAN_DRW_CAP_OFFSET,
> +		.slot = 2,
> +	},
> +	{
> +		.label = "fan3:green",
> +		.reg = MLXPLAT_CPLD_LPC_REG_LED3_OFFSET,
> +		.mask = MLXPLAT_CPLD_LED_LO_NIBBLE_MASK,
> +		.capability = MLXPLAT_CPLD_LPC_REG_FAN_DRW_CAP_OFFSET,
> +		.slot = 3,
> +	},
> +	{
> +		.label = "fan3:orange",
> +		.reg = MLXPLAT_CPLD_LPC_REG_LED3_OFFSET,
> +		.mask = MLXPLAT_CPLD_LED_LO_NIBBLE_MASK,
> +		.capability = MLXPLAT_CPLD_LPC_REG_FAN_DRW_CAP_OFFSET,
> +		.slot = 3,
> +	},
> +	{
> +		.label = "fan4:green",
> +		.reg = MLXPLAT_CPLD_LPC_REG_LED3_OFFSET,
> +		.mask = MLXPLAT_CPLD_LED_HI_NIBBLE_MASK,
> +		.capability = MLXPLAT_CPLD_LPC_REG_FAN_DRW_CAP_OFFSET,
> +		.slot = 4,
> +	},
> +	{
> +		.label = "fan4:orange",
> +		.reg = MLXPLAT_CPLD_LPC_REG_LED3_OFFSET,
> +		.mask = MLXPLAT_CPLD_LED_HI_NIBBLE_MASK,
> +		.capability = MLXPLAT_CPLD_LPC_REG_FAN_DRW_CAP_OFFSET,
> +		.slot = 4,
> +	},
> +	{
> +		.label = "fan5:green",
> +		.reg = MLXPLAT_CPLD_LPC_REG_LED4_OFFSET,
> +		.mask = MLXPLAT_CPLD_LED_LO_NIBBLE_MASK,
> +		.capability = MLXPLAT_CPLD_LPC_REG_FAN_DRW_CAP_OFFSET,
> +		.slot = 5,
> +	},
> +	{
> +		.label = "fan5:orange",
> +		.reg = MLXPLAT_CPLD_LPC_REG_LED4_OFFSET,
> +		.mask = MLXPLAT_CPLD_LED_LO_NIBBLE_MASK,
> +		.capability = MLXPLAT_CPLD_LPC_REG_FAN_DRW_CAP_OFFSET,
> +		.slot = 5,
> +	},
> +	{
> +		.label = "fan6:green",
> +		.reg = MLXPLAT_CPLD_LPC_REG_LED4_OFFSET,
> +		.mask = MLXPLAT_CPLD_LED_HI_NIBBLE_MASK,
> +		.capability = MLXPLAT_CPLD_LPC_REG_FAN_DRW_CAP_OFFSET,
> +		.slot = 6,
> +	},
> +	{
> +		.label = "fan6:orange",
> +		.reg = MLXPLAT_CPLD_LPC_REG_LED4_OFFSET,
> +		.mask = MLXPLAT_CPLD_LED_HI_NIBBLE_MASK,
> +		.capability = MLXPLAT_CPLD_LPC_REG_FAN_DRW_CAP_OFFSET,
> +		.slot = 6,
> +	},
> +	{
> +		.label = "fan7:green",
> +		.reg = MLXPLAT_CPLD_LPC_REG_LED6_OFFSET,
> +		.mask = MLXPLAT_CPLD_LED_HI_NIBBLE_MASK,
> +		.capability = MLXPLAT_CPLD_LPC_REG_FAN_DRW_CAP_OFFSET,
> +		.slot = 7,
> +	},
> +	{
> +		.label = "fan7:orange",
> +		.reg = MLXPLAT_CPLD_LPC_REG_LED6_OFFSET,
>  		.mask = MLXPLAT_CPLD_LED_HI_NIBBLE_MASK,
>  		.capability = MLXPLAT_CPLD_LPC_REG_FAN_DRW_CAP_OFFSET,
> -		.bit = BIT(1),
> +		.slot = 7,
>  	},
>  	{
> -		.label = "fan3:green",
> -		.reg = MLXPLAT_CPLD_LPC_REG_LED3_OFFSET,
> +		.label = "fan8:green",
> +		.reg = MLXPLAT_CPLD_LPC_REG_LED7_OFFSET,
>  		.mask = MLXPLAT_CPLD_LED_LO_NIBBLE_MASK,
>  		.capability = MLXPLAT_CPLD_LPC_REG_FAN_DRW_CAP_OFFSET,
> -		.bit = BIT(2),
> +		.slot = 8,
>  	},
>  	{
> -		.label = "fan3:orange",
> -		.reg = MLXPLAT_CPLD_LPC_REG_LED3_OFFSET,
> +		.label = "fan8:orange",
> +		.reg = MLXPLAT_CPLD_LPC_REG_LED7_OFFSET,
>  		.mask = MLXPLAT_CPLD_LED_LO_NIBBLE_MASK,
>  		.capability = MLXPLAT_CPLD_LPC_REG_FAN_DRW_CAP_OFFSET,
> -		.bit = BIT(2),
> +		.slot = 8,
>  	},
>  	{
> -		.label = "fan4:green",
> -		.reg = MLXPLAT_CPLD_LPC_REG_LED3_OFFSET,
> +		.label = "fan9:green",
> +		.reg = MLXPLAT_CPLD_LPC_REG_LED7_OFFSET,
>  		.mask = MLXPLAT_CPLD_LED_HI_NIBBLE_MASK,
>  		.capability = MLXPLAT_CPLD_LPC_REG_FAN_DRW_CAP_OFFSET,
> -		.bit = BIT(3),
> +		.slot = 9,
>  	},
>  	{
> -		.label = "fan4:orange",
> -		.reg = MLXPLAT_CPLD_LPC_REG_LED3_OFFSET,
> +		.label = "fan9:orange",
> +		.reg = MLXPLAT_CPLD_LPC_REG_LED7_OFFSET,
>  		.mask = MLXPLAT_CPLD_LED_HI_NIBBLE_MASK,
>  		.capability = MLXPLAT_CPLD_LPC_REG_FAN_DRW_CAP_OFFSET,
> -		.bit = BIT(3),
> +		.slot = 9,
>  	},
>  	{
> -		.label = "fan5:green",
> -		.reg = MLXPLAT_CPLD_LPC_REG_LED4_OFFSET,
> +		.label = "fan10:green",
> +		.reg = MLXPLAT_CPLD_LPC_REG_LED8_OFFSET,
>  		.mask = MLXPLAT_CPLD_LED_LO_NIBBLE_MASK,
>  		.capability = MLXPLAT_CPLD_LPC_REG_FAN_DRW_CAP_OFFSET,
> -		.bit = BIT(4),
> +		.slot = 10,
>  	},
>  	{
> -		.label = "fan5:orange",
> -		.reg = MLXPLAT_CPLD_LPC_REG_LED4_OFFSET,
> +		.label = "fan10:orange",
> +		.reg = MLXPLAT_CPLD_LPC_REG_LED8_OFFSET,
>  		.mask = MLXPLAT_CPLD_LED_LO_NIBBLE_MASK,
>  		.capability = MLXPLAT_CPLD_LPC_REG_FAN_DRW_CAP_OFFSET,
> -		.bit = BIT(4),
> -	},
> -	{
> -		.label = "fan6:green",
> -		.reg = MLXPLAT_CPLD_LPC_REG_LED4_OFFSET,
> -		.mask = MLXPLAT_CPLD_LED_HI_NIBBLE_MASK,
> -		.capability = MLXPLAT_CPLD_LPC_REG_FAN_DRW_CAP_OFFSET,
> -		.bit = BIT(5),
> -	},
> -	{
> -		.label = "fan6:orange",
> -		.reg = MLXPLAT_CPLD_LPC_REG_LED4_OFFSET,
> -		.mask = MLXPLAT_CPLD_LED_HI_NIBBLE_MASK,
> -		.capability = MLXPLAT_CPLD_LPC_REG_FAN_DRW_CAP_OFFSET,
> -		.bit = BIT(5),
> +		.slot = 10,
>  	},
>  	{
>  		.label = "uid:blue",
> @@ -3157,9 +3848,9 @@ static struct mlxreg_core_data mlxplat_mlxcpld_l1_switch_led_data[] = {
>  	},
>  };
>  
> -static struct mlxreg_core_platform_data mlxplat_l1_switch_led_data = {
> -		.data = mlxplat_mlxcpld_l1_switch_led_data,
> -		.counter = ARRAY_SIZE(mlxplat_mlxcpld_l1_switch_led_data),
> +static struct mlxreg_core_platform_data mlxplat_xdr_led_data = {
> +		.data = mlxplat_mlxcpld_xdr_led_data,
> +		.counter = ARRAY_SIZE(mlxplat_mlxcpld_xdr_led_data),
>  };
>  
>  /* Platform register access default */
> @@ -4396,19 +5087,240 @@ static struct mlxreg_core_data mlxplat_mlxcpld_modular_regs_io_data[] = {
>  	},
>  };
>  
> -static struct mlxreg_core_platform_data mlxplat_modular_regs_io_data = {
> -		.data = mlxplat_mlxcpld_modular_regs_io_data,
> -		.counter = ARRAY_SIZE(mlxplat_mlxcpld_modular_regs_io_data),
> +static struct mlxreg_core_platform_data mlxplat_modular_regs_io_data = {
> +		.data = mlxplat_mlxcpld_modular_regs_io_data,
> +		.counter = ARRAY_SIZE(mlxplat_mlxcpld_modular_regs_io_data),
> +};
> +
> +/* Platform register access for chassis blade systems family data */
> +static struct mlxreg_core_data mlxplat_mlxcpld_chassis_blade_regs_io_data[] = {
> +	{
> +		.label = "cpld1_version",
> +		.reg = MLXPLAT_CPLD_LPC_REG_CPLD1_VER_OFFSET,
> +		.bit = GENMASK(7, 0),
> +		.mode = 0444,
> +	},
> +	{
> +		.label = "cpld1_pn",
> +		.reg = MLXPLAT_CPLD_LPC_REG_CPLD1_PN_OFFSET,
> +		.bit = GENMASK(15, 0),
> +		.mode = 0444,
> +		.regnum = 2,
> +	},
> +	{
> +		.label = "cpld1_version_min",
> +		.reg = MLXPLAT_CPLD_LPC_REG_CPLD1_MVER_OFFSET,
> +		.bit = GENMASK(7, 0),
> +		.mode = 0444,
> +	},
> +	{
> +		.label = "reset_aux_pwr_or_ref",
> +		.reg = MLXPLAT_CPLD_LPC_REG_RESET_CAUSE_OFFSET,
> +		.mask = GENMASK(7, 0) & ~BIT(2),
> +		.mode = 0444,
> +	},
> +	{
> +		.label = "reset_from_comex",
> +		.reg = MLXPLAT_CPLD_LPC_REG_RESET_CAUSE_OFFSET,
> +		.mask = GENMASK(7, 0) & ~BIT(4),
> +		.mode = 0444,
> +	},
> +	{
> +		.label = "reset_comex_pwr_fail",
> +		.reg = MLXPLAT_CPLD_LPC_REG_RST_CAUSE1_OFFSET,
> +		.mask = GENMASK(7, 0) & ~BIT(3),
> +		.mode = 0444,
> +	},
> +	{
> +		.label = "reset_platform",
> +		.reg = MLXPLAT_CPLD_LPC_REG_RST_CAUSE1_OFFSET,
> +		.mask = GENMASK(7, 0) & ~BIT(4),
> +		.mode = 0444,
> +	},
> +	{
> +		.label = "reset_soc",
> +		.reg = MLXPLAT_CPLD_LPC_REG_RST_CAUSE1_OFFSET,
> +		.mask = GENMASK(7, 0) & ~BIT(5),
> +		.mode = 0444,
> +	},
> +	{
> +		.label = "reset_comex_wd",
> +		.reg = MLXPLAT_CPLD_LPC_REG_RST_CAUSE1_OFFSET,
> +		.mask = GENMASK(7, 0) & ~BIT(6),
> +		.mode = 0444,
> +	},
> +	{
> +		.label = "reset_voltmon_upgrade_fail",
> +		.reg = MLXPLAT_CPLD_LPC_REG_RST_CAUSE2_OFFSET,
> +		.mask = GENMASK(7, 0) & ~BIT(0),
> +		.mode = 0444,
> +	},
> +	{
> +		.label = "reset_system",
> +		.reg = MLXPLAT_CPLD_LPC_REG_RST_CAUSE2_OFFSET,
> +		.mask = GENMASK(7, 0) & ~BIT(1),
> +		.mode = 0444,
> +	},
> +	{
> +		.label = "reset_sw_pwr_off",
> +		.reg = MLXPLAT_CPLD_LPC_REG_RST_CAUSE2_OFFSET,
> +		.mask = GENMASK(7, 0) & ~BIT(2),
> +		.mode = 0444,
> +	},
> +	{
> +		.label = "reset_comex_thermal",
> +		.reg = MLXPLAT_CPLD_LPC_REG_RST_CAUSE2_OFFSET,
> +		.mask = GENMASK(7, 0) & ~BIT(3),
> +		.mode = 0444,
> +	},
> +	{
> +		.label = "reset_reload_bios",
> +		.reg = MLXPLAT_CPLD_LPC_REG_RST_CAUSE2_OFFSET,
> +		.mask = GENMASK(7, 0) & ~BIT(5),
> +		.mode = 0444,
> +	},
> +	{
> +		.label = "reset_ac_pwr_fail",
> +		.reg = MLXPLAT_CPLD_LPC_REG_RST_CAUSE2_OFFSET,
> +		.mask = GENMASK(7, 0) & ~BIT(6),
> +		.mode = 0444,
> +	},
> +	{
> +		.label = "reset_long_pwr_pb",
> +		.reg = MLXPLAT_CPLD_LPC_REG_RST_CAUSE2_OFFSET,
> +		.mask = GENMASK(7, 0) & ~BIT(7),
> +		.mode = 0444,
> +	},
> +	{
> +		.label = "pwr_cycle",
> +		.reg = MLXPLAT_CPLD_LPC_REG_GP1_OFFSET,
> +		.mask = GENMASK(7, 0) & ~BIT(2),
> +		.mode = 0200,
> +	},
> +	{
> +		.label = "pwr_down",
> +		.reg = MLXPLAT_CPLD_LPC_REG_GP1_OFFSET,
> +		.mask = GENMASK(7, 0) & ~BIT(3),
> +		.mode = 0200,
> +	},
> +	{
> +		.label = "global_wp_request",
> +		.reg = MLXPLAT_CPLD_LPC_REG_GP2_OFFSET,
> +		.mask = GENMASK(7, 0) & ~BIT(0),
> +		.mode = 0644,
> +	},
> +	{
> +		.label = "jtag_enable",
> +		.reg = MLXPLAT_CPLD_LPC_REG_GP2_OFFSET,
> +		.mask = GENMASK(7, 0) & ~BIT(4),
> +		.mode = 0644,
> +	},
> +	{
> +		.label = "comm_chnl_ready",
> +		.reg = MLXPLAT_CPLD_LPC_REG_GP2_OFFSET,
> +		.mask = GENMASK(7, 0) & ~BIT(6),
> +		.mode = 0200,
> +	},
> +	{
> +		.label = "bios_safe_mode",
> +		.reg = MLXPLAT_CPLD_LPC_REG_GPCOM0_OFFSET,
> +		.mask = GENMASK(7, 0) & ~BIT(4),
> +		.mode = 0444,
> +	},
> +	{
> +		.label = "bios_active_image",
> +		.reg = MLXPLAT_CPLD_LPC_REG_GPCOM0_OFFSET,
> +		.mask = GENMASK(7, 0) & ~BIT(5),
> +		.mode = 0444,
> +	},
> +	{
> +		.label = "bios_auth_fail",
> +		.reg = MLXPLAT_CPLD_LPC_REG_GPCOM0_OFFSET,
> +		.mask = GENMASK(7, 0) & ~BIT(6),
> +		.mode = 0444,
> +	},
> +	{
> +		.label = "bios_upgrade_fail",
> +		.reg = MLXPLAT_CPLD_LPC_REG_GPCOM0_OFFSET,
> +		.mask = GENMASK(7, 0) & ~BIT(7),
> +		.mode = 0444,
> +	},
> +	{
> +		.label = "voltreg_update_status",
> +		.reg = MLXPLAT_CPLD_LPC_REG_GP0_RO_OFFSET,
> +		.mask = MLXPLAT_CPLD_VOLTREG_UPD_MASK,
> +		.bit = 5,
> +		.mode = 0444,
> +	},
> +	{
> +		.label = "vpd_wp",
> +		.reg = MLXPLAT_CPLD_LPC_REG_GP0_OFFSET,
> +		.mask = GENMASK(7, 0) & ~BIT(3),
> +		.mode = 0644,
> +	},
> +	{
> +		.label = "pcie_asic_reset_dis",
> +		.reg = MLXPLAT_CPLD_LPC_REG_GP0_OFFSET,
> +		.mask = GENMASK(7, 0) & ~BIT(4),
> +		.mode = 0644,
> +	},
> +	{
> +		.label = "global_wp_response",
> +		.reg = MLXPLAT_CPLD_LPC_REG_GWP_OFFSET,
> +		.mask = GENMASK(7, 0) & ~BIT(0),
> +		.mode = 0444,
> +	},
> +	{
> +		.label = "config1",
> +		.reg = MLXPLAT_CPLD_LPC_REG_CONFIG1_OFFSET,
> +		.bit = GENMASK(7, 0),
> +		.mode = 0444,
> +	},
> +	{
> +		.label = "config2",
> +		.reg = MLXPLAT_CPLD_LPC_REG_CONFIG2_OFFSET,
> +		.bit = GENMASK(7, 0),
> +		.mode = 0444,
> +	},
> +	{
> +		.label = "config3",
> +		.reg = MLXPLAT_CPLD_LPC_REG_CONFIG3_OFFSET,
> +		.bit = GENMASK(7, 0),
> +		.mode = 0444,
> +	},
> +	{
> +		.label = "ufm_version",
> +		.reg = MLXPLAT_CPLD_LPC_REG_UFM_VERSION_OFFSET,
> +		.bit = GENMASK(7, 0),
> +		.mode = 0444,
> +	},
> +};
> +
> +static struct mlxreg_core_platform_data mlxplat_chassis_blade_regs_io_data = {
> +		.data = mlxplat_mlxcpld_chassis_blade_regs_io_data,
> +		.counter = ARRAY_SIZE(mlxplat_mlxcpld_chassis_blade_regs_io_data),
>  };
>  
> -/* Platform register access for chassis blade systems family data */
> -static struct mlxreg_core_data mlxplat_mlxcpld_chassis_blade_regs_io_data[] = {
> +/* Platform register access for smart switch systems families data */
> +static struct mlxreg_core_data mlxplat_mlxcpld_smart_switch_regs_io_data[] = {
>  	{
>  		.label = "cpld1_version",
>  		.reg = MLXPLAT_CPLD_LPC_REG_CPLD1_VER_OFFSET,
>  		.bit = GENMASK(7, 0),
>  		.mode = 0444,
>  	},
> +	{
> +		.label = "cpld2_version",
> +		.reg = MLXPLAT_CPLD_LPC_REG_CPLD2_VER_OFFSET,
> +		.bit = GENMASK(7, 0),
> +		.mode = 0444,
> +	},
> +	{
> +		.label = "cpld3_version",
> +		.reg = MLXPLAT_CPLD_LPC_REG_CPLD3_VER_OFFSET,
> +		.bit = GENMASK(7, 0),
> +		.mode = 0444,
> +	},
>  	{
>  		.label = "cpld1_pn",
>  		.reg = MLXPLAT_CPLD_LPC_REG_CPLD1_PN_OFFSET,
> @@ -4416,12 +5328,116 @@ static struct mlxreg_core_data mlxplat_mlxcpld_chassis_blade_regs_io_data[] = {
>  		.mode = 0444,
>  		.regnum = 2,
>  	},
> +	{
> +		.label = "cpld2_pn",
> +		.reg = MLXPLAT_CPLD_LPC_REG_CPLD2_PN_OFFSET,
> +		.bit = GENMASK(15, 0),
> +		.mode = 0444,
> +		.regnum = 2,
> +	},
> +	{
> +		.label = "cpld3_pn",
> +		.reg = MLXPLAT_CPLD_LPC_REG_CPLD3_PN_OFFSET,
> +		.bit = GENMASK(15, 0),
> +		.mode = 0444,
> +		.regnum = 2,
> +	},
>  	{
>  		.label = "cpld1_version_min",
>  		.reg = MLXPLAT_CPLD_LPC_REG_CPLD1_MVER_OFFSET,
>  		.bit = GENMASK(7, 0),
>  		.mode = 0444,
>  	},
> +	{
> +		.label = "cpld2_version_min",
> +		.reg = MLXPLAT_CPLD_LPC_REG_CPLD2_MVER_OFFSET,
> +		.bit = GENMASK(7, 0),
> +		.mode = 0444,
> +	},
> +	{
> +		.label = "cpld3_version_min",
> +		.reg = MLXPLAT_CPLD_LPC_REG_CPLD3_MVER_OFFSET,
> +		.bit = GENMASK(7, 0),
> +		.mode = 0444,
> +	},
> +	{
> +		.label = "kexec_activated",
> +		.reg = MLXPLAT_CPLD_LPC_REG_RESET_GP1_OFFSET,
> +		.mask = GENMASK(7, 0) & ~BIT(1),
> +		.mode = 0644,
> +	},
> +	{
> +		.label = "asic_reset",
> +		.reg = MLXPLAT_CPLD_LPC_REG_RESET_GP2_OFFSET,
> +		.mask = GENMASK(7, 0) & ~BIT(3),
> +		.mode = 0644,
> +	},
> +	{
> +		.label = "eth_switch_reset",
> +		.reg = MLXPLAT_CPLD_LPC_REG_RESET_GP2_OFFSET,
> +		.mask = GENMASK(7, 0) & ~BIT(4),
> +		.mode = 0644,
> +	},
> +	{
> +		.label = "dpu1_rst",
> +		.reg = MLXPLAT_CPLD_LPC_REG_RESET_GP3_OFFSET,
> +		.mask = GENMASK(7, 0) & ~BIT(0),
> +		.mode = 0200,
> +	},
> +	{
> +		.label = "dpu2_rst",
> +		.reg = MLXPLAT_CPLD_LPC_REG_RESET_GP3_OFFSET,
> +		.mask = GENMASK(7, 0) & ~BIT(1),
> +		.mode = 0200,
> +	},
> +	{
> +		.label = "dpu3_rst",
> +		.reg = MLXPLAT_CPLD_LPC_REG_RESET_GP3_OFFSET,
> +		.mask = GENMASK(7, 0) & ~BIT(2),
> +		.mode = 0200,
> +	},
> +	{
> +		.label = "dpu4_rst",
> +		.reg = MLXPLAT_CPLD_LPC_REG_RESET_GP3_OFFSET,
> +		.mask = GENMASK(7, 0) & ~BIT(3),
> +		.mode = 0200,
> +	},
> +	{
> +		.label = "dpu1_pwr",
> +		.reg = MLXPLAT_CPLD_LPC_REG_RESET_GP4_OFFSET,
> +		.mask = GENMASK(7, 0) & ~BIT(0),
> +		.mode = 0200,
> +	},
> +	{
> +		.label = "dpu2_pwr",
> +		.reg = MLXPLAT_CPLD_LPC_REG_RESET_GP4_OFFSET,
> +		.mask = GENMASK(7, 0) & ~BIT(1),
> +		.mode = 0200,
> +	},
> +	{
> +		.label = "dpu3_pwr",
> +		.reg = MLXPLAT_CPLD_LPC_REG_RESET_GP4_OFFSET,
> +		.mask = GENMASK(7, 0) & ~BIT(2),
> +		.mode = 0200,
> +	},
> +	{
> +		.label = "dpu4_pwr",
> +		.reg = MLXPLAT_CPLD_LPC_REG_RESET_GP4_OFFSET,
> +		.mask = GENMASK(7, 0) & ~BIT(3),
> +		.mode = 0200,
> +	},
> +	{
> +		.label = "reset_long_pb",
> +		.reg = MLXPLAT_CPLD_LPC_REG_RESET_CAUSE_OFFSET,
> +		.mask = GENMASK(7, 0) & ~BIT(0),
> +		.mode = 0444,
> +	},
> +	{
> +		.label = "reset_short_pb",
> +		.reg = MLXPLAT_CPLD_LPC_REG_RESET_CAUSE_OFFSET,
> +		.mask = GENMASK(7, 0) & ~BIT(1),
> +		.mode = 0444,
> +	},
>  	{
>  		.label = "reset_aux_pwr_or_ref",
>  		.reg = MLXPLAT_CPLD_LPC_REG_RESET_CAUSE_OFFSET,
> @@ -4429,9 +5445,33 @@ static struct mlxreg_core_data mlxplat_mlxcpld_chassis_blade_regs_io_data[] = {
>  		.mode = 0444,
>  	},
>  	{
> -		.label = "reset_from_comex",
> +		.label = "reset_swb_dc_dc_pwr_fail",
>  		.reg = MLXPLAT_CPLD_LPC_REG_RESET_CAUSE_OFFSET,
> -		.mask = GENMASK(7, 0) & ~BIT(4),
> +		.mask = GENMASK(7, 0) & ~BIT(3),
> +		.mode = 0444,
> +	},
> +	{
> +		.label = "reset_swb_wd",
> +		.reg = MLXPLAT_CPLD_LPC_REG_RESET_CAUSE_OFFSET,
> +		.mask = GENMASK(7, 0) & ~BIT(6),
> +		.mode = 0444,
> +	},
> +	{
> +		.label = "reset_asic_thermal",
> +		.reg = MLXPLAT_CPLD_LPC_REG_RESET_CAUSE_OFFSET,
> +		.mask = GENMASK(7, 0) & ~BIT(7),
> +		.mode = 0444,
> +	},
> +	{
> +		.label = "reset_sw_reset",
> +		.reg = MLXPLAT_CPLD_LPC_REG_RST_CAUSE1_OFFSET,
> +		.mask = GENMASK(7, 0) & ~BIT(0),
> +		.mode = 0444,
> +	},
> +	{
> +		.label = "reset_aux_pwr_or_reload",
> +		.reg = MLXPLAT_CPLD_LPC_REG_RST_CAUSE1_OFFSET,
> +		.mask = GENMASK(7, 0) & ~BIT(2),
>  		.mode = 0444,
>  	},
>  	{
> @@ -4453,13 +5493,13 @@ static struct mlxreg_core_data mlxplat_mlxcpld_chassis_blade_regs_io_data[] = {
>  		.mode = 0444,
>  	},
>  	{
> -		.label = "reset_comex_wd",
> +		.label = "reset_pwr",
>  		.reg = MLXPLAT_CPLD_LPC_REG_RST_CAUSE1_OFFSET,
> -		.mask = GENMASK(7, 0) & ~BIT(6),
> +		.mask = GENMASK(7, 0) & ~BIT(7),
>  		.mode = 0444,
>  	},
>  	{
> -		.label = "reset_voltmon_upgrade_fail",
> +		.label = "reset_pwr_converter_fail",
>  		.reg = MLXPLAT_CPLD_LPC_REG_RST_CAUSE2_OFFSET,
>  		.mask = GENMASK(7, 0) & ~BIT(0),
>  		.mode = 0444,
> @@ -4483,23 +5523,103 @@ static struct mlxreg_core_data mlxplat_mlxcpld_chassis_blade_regs_io_data[] = {
>  		.mode = 0444,
>  	},
>  	{
> -		.label = "reset_reload_bios",
> +		.label = "reset_ac_pwr_fail",
>  		.reg = MLXPLAT_CPLD_LPC_REG_RST_CAUSE2_OFFSET,
> -		.mask = GENMASK(7, 0) & ~BIT(5),
> +		.mask = GENMASK(7, 0) & ~BIT(6),
>  		.mode = 0444,
>  	},
>  	{
> -		.label = "reset_ac_pwr_fail",
> -		.reg = MLXPLAT_CPLD_LPC_REG_RST_CAUSE2_OFFSET,
> -		.mask = GENMASK(7, 0) & ~BIT(6),
> +		.label = "voltreg_update_status",
> +		.reg = MLXPLAT_CPLD_LPC_REG_GP0_RO_OFFSET,
> +		.mask = MLXPLAT_CPLD_VOLTREG_UPD_MASK,
> +		.bit = 5,
>  		.mode = 0444,
>  	},
>  	{
> -		.label = "reset_long_pwr_pb",
> -		.reg = MLXPLAT_CPLD_LPC_REG_RST_CAUSE2_OFFSET,
> -		.mask = GENMASK(7, 0) & ~BIT(7),
> +		.label = "port80",
> +		.reg = MLXPLAT_CPLD_LPC_REG_GP1_RO_OFFSET,
> +		.bit = GENMASK(7, 0),
> +		.mode = 0444,
> +	},
> +	{
> +		.label = "bios_status",
> +		.reg = MLXPLAT_CPLD_LPC_REG_GPCOM0_OFFSET,
> +		.mask = MLXPLAT_CPLD_BIOS_STATUS_MASK,
> +		.bit = 2,
> +		.mode = 0444,
> +	},
> +	{
> +		.label = "bios_start_retry",
> +		.reg = MLXPLAT_CPLD_LPC_REG_GPCOM0_OFFSET,
> +		.mask = GENMASK(7, 0) & ~BIT(4),
> +		.mode = 0444,
> +	},
> +	{
> +		.label = "bios_active_image",
> +		.reg = MLXPLAT_CPLD_LPC_REG_GPCOM0_OFFSET,
> +		.mask = GENMASK(7, 0) & ~BIT(5),
> +		.mode = 0444,
> +	},
> +	{
> +		.label = "vpd_wp",
> +		.reg = MLXPLAT_CPLD_LPC_REG_GP0_OFFSET,
> +		.mask = GENMASK(7, 0) & ~BIT(3),
> +		.mode = 0644,
> +	},
> +	{
> +		.label = "pcie_asic_reset_dis",
> +		.reg = MLXPLAT_CPLD_LPC_REG_GP0_OFFSET,
> +		.mask = GENMASK(7, 0) & ~BIT(4),
> +		.mode = 0644,
> +	},
> +	{
> +		.label = "shutdown_unlock",
> +		.reg = MLXPLAT_CPLD_LPC_REG_GP0_OFFSET,
> +		.mask = GENMASK(7, 0) & ~BIT(5),
> +		.mode = 0644,
> +	},
> +	{
> +		.label = "fan_dir",
> +		.reg = MLXPLAT_CPLD_LPC_REG_FAN_DIRECTION,
> +		.bit = GENMASK(7, 0),
>  		.mode = 0444,
>  	},
> +	{
> +		.label = "dpu1_rst_en",
> +		.reg = MLXPLAT_CPLD_LPC_REG_GP_RST_OFFSET,
> +		.mask = GENMASK(7, 0) & ~BIT(0),
> +		.mode = 0200,
> +	},
> +	{
> +		.label = "dpu2_rst_en",
> +		.reg = MLXPLAT_CPLD_LPC_REG_GP_RST_OFFSET,
> +		.mask = GENMASK(7, 0) & ~BIT(1),
> +		.mode = 0200,
> +	},
> +	{
> +		.label = "dpu3_rst_en",
> +		.reg = MLXPLAT_CPLD_LPC_REG_GP_RST_OFFSET,
> +		.mask = GENMASK(7, 0) & ~BIT(2),
> +		.mode = 0200,
> +	},
> +	{
> +		.label = "dpu4_rst_en",
> +		.reg = MLXPLAT_CPLD_LPC_REG_GP_RST_OFFSET,
> +		.mask = GENMASK(7, 0) & ~BIT(3),
> +		.mode = 0200,
> +	},
> +	{
> +		.label = "psu1_on",
> +		.reg = MLXPLAT_CPLD_LPC_REG_GP1_OFFSET,
> +		.mask = GENMASK(7, 0) & ~BIT(0),
> +		.mode = 0200,
> +	},
> +	{
> +		.label = "psu2_on",
> +		.reg = MLXPLAT_CPLD_LPC_REG_GP1_OFFSET,
> +		.mask = GENMASK(7, 0) & ~BIT(1),
> +		.mode = 0200,
> +	},
>  	{
>  		.label = "pwr_cycle",
>  		.reg = MLXPLAT_CPLD_LPC_REG_GP1_OFFSET,
> @@ -4513,72 +5633,117 @@ static struct mlxreg_core_data mlxplat_mlxcpld_chassis_blade_regs_io_data[] = {
>  		.mode = 0200,
>  	},
>  	{
> -		.label = "global_wp_request",
> -		.reg = MLXPLAT_CPLD_LPC_REG_GP2_OFFSET,
> -		.mask = GENMASK(7, 0) & ~BIT(0),
> +		.label = "jtag_cap",
> +		.reg = MLXPLAT_CPLD_LPC_REG_FU_CAP_OFFSET,
> +		.mask = MLXPLAT_CPLD_FU_CAP_MASK,
> +		.bit = 1,
> +		.mode = 0444,
> +	},
> +	{
> +		.label = "jtag_enable",
> +		.reg = MLXPLAT_CPLD_LPC_REG_FIELD_UPGRADE,
> +		.mask = GENMASK(1, 0),
> +		.bit = 1,
> +		.mode = 0644,
> +	},
> +	{
> +		.label = "non_active_bios_select",
> +		.reg = MLXPLAT_CPLD_LPC_SAFE_BIOS_OFFSET,
> +		.mask = GENMASK(7, 0) & ~BIT(4),
> +		.mode = 0644,
> +	},
> +	{
> +	    .label = "bios_upgrade_fail",
> +		.reg = MLXPLAT_CPLD_LPC_SAFE_BIOS_OFFSET,
> +		.mask = GENMASK(7, 0) & ~BIT(5),
> +		.mode = 0444,
> +	},
> +	{
> +		.label = "bios_image_invert",
> +		.reg = MLXPLAT_CPLD_LPC_SAFE_BIOS_OFFSET,
> +		.mask = GENMASK(7, 0) & ~BIT(6),
>  		.mode = 0644,
>  	},
>  	{
> -		.label = "jtag_enable",
> -		.reg = MLXPLAT_CPLD_LPC_REG_GP2_OFFSET,
> -		.mask = GENMASK(7, 0) & ~BIT(4),
> +		.label = "me_reboot",
> +		.reg = MLXPLAT_CPLD_LPC_SAFE_BIOS_OFFSET,
> +		.mask = GENMASK(7, 0) & ~BIT(7),
>  		.mode = 0644,
>  	},
>  	{
> -		.label = "comm_chnl_ready",
> -		.reg = MLXPLAT_CPLD_LPC_REG_GP2_OFFSET,
> -		.mask = GENMASK(7, 0) & ~BIT(6),
> +		.label = "dpu1_pwr_force",
> +		.reg = MLXPLAT_CPLD_LPC_REG_GP3_OFFSET,
> +		.mask = GENMASK(7, 0) & ~BIT(0),
>  		.mode = 0200,
>  	},
>  	{
> -		.label = "bios_safe_mode",
> -		.reg = MLXPLAT_CPLD_LPC_REG_GPCOM0_OFFSET,
> -		.mask = GENMASK(7, 0) & ~BIT(4),
> -		.mode = 0444,
> +		.label = "dpu2_pwr_force",
> +		.reg = MLXPLAT_CPLD_LPC_REG_GP3_OFFSET,
> +		.mask = GENMASK(7, 0) & ~BIT(1),
> +		.mode = 0200,
>  	},
>  	{
> -		.label = "bios_active_image",
> -		.reg = MLXPLAT_CPLD_LPC_REG_GPCOM0_OFFSET,
> -		.mask = GENMASK(7, 0) & ~BIT(5),
> -		.mode = 0444,
> +		.label = "dpu3_pwr_force",
> +		.reg = MLXPLAT_CPLD_LPC_REG_GP3_OFFSET,
> +		.mask = GENMASK(7, 0) & ~BIT(2),
> +		.mode = 0200,
>  	},
>  	{
> -		.label = "bios_auth_fail",
> -		.reg = MLXPLAT_CPLD_LPC_REG_GPCOM0_OFFSET,
> -		.mask = GENMASK(7, 0) & ~BIT(6),
> -		.mode = 0444,
> +		.label = "dpu4_pwr_force",
> +		.reg = MLXPLAT_CPLD_LPC_REG_GP3_OFFSET,
> +		.mask = GENMASK(7, 0) & ~BIT(3),
> +		.mode = 0200,
>  	},
>  	{
> -		.label = "bios_upgrade_fail",
> -		.reg = MLXPLAT_CPLD_LPC_REG_GPCOM0_OFFSET,
> -		.mask = GENMASK(7, 0) & ~BIT(7),
> +		.label = "ufm_done",
> +		.reg = MLXPLAT_CPLD_LPC_REG_GPI_MASK_OFFSET,
> +		.bit = GENMASK(7, 0),
>  		.mode = 0444,
>  	},
>  	{
> -		.label = "voltreg_update_status",
> -		.reg = MLXPLAT_CPLD_LPC_REG_GP0_RO_OFFSET,
> -		.mask = MLXPLAT_CPLD_VOLTREG_UPD_MASK,
> -		.bit = 5,
> +		.label = "asic_health",
> +		.reg = MLXPLAT_CPLD_LPC_REG_ASIC_HEALTH_OFFSET,
> +		.mask = MLXPLAT_CPLD_ASIC_MASK,
> +		.bit = 1,
>  		.mode = 0444,
>  	},
>  	{
> -		.label = "vpd_wp",
> -		.reg = MLXPLAT_CPLD_LPC_REG_GP0_OFFSET,
> -		.mask = GENMASK(7, 0) & ~BIT(3),
> +		.label = "psu1_ac_ok",
> +		.reg = MLXPLAT_CPLD_LPC_REG_PSU_AC_OFFSET,
> +		.mask = GENMASK(7, 0) & ~BIT(0),
>  		.mode = 0644,
>  	},
>  	{
> -		.label = "pcie_asic_reset_dis",
> -		.reg = MLXPLAT_CPLD_LPC_REG_GP0_OFFSET,
> -		.mask = GENMASK(7, 0) & ~BIT(4),
> +		.label = "psu2_ac_ok",
> +		.reg = MLXPLAT_CPLD_LPC_REG_PSU_AC_OFFSET,
> +		.mask = GENMASK(7, 0) & ~BIT(1),
>  		.mode = 0644,
>  	},
>  	{
> -		.label = "global_wp_response",
> -		.reg = MLXPLAT_CPLD_LPC_REG_GWP_OFFSET,
> +		.label = "psu1_no_alert",
> +		.reg = MLXPLAT_CPLD_LPC_REG_PSU_ALERT_OFFSET,
>  		.mask = GENMASK(7, 0) & ~BIT(0),
> +		.mode = 0644,
> +	},
> +	{
> +		.label = "psu2_no_alert",
> +		.reg = MLXPLAT_CPLD_LPC_REG_PSU_ALERT_OFFSET,
> +		.mask = GENMASK(7, 0) & ~BIT(1),
> +		.mode = 0644,
> +	},
> +	{
> +		.label = "asic_pg_fail",
> +		.reg = MLXPLAT_CPLD_LPC_REG_GP4_RO_OFFSET,
> +		.mask = GENMASK(7, 0) & ~BIT(7),
>  		.mode = 0444,
>  	},
> +	{
> +		.label = "spi_chnl_select",
> +		.reg = MLXPLAT_CPLD_LPC_REG_SPI_CHNL_SELECT,
> +		.mask = GENMASK(7, 0),
> +		.bit = 1,
> +		.mode = 0644,
> +	},
>  	{
>  		.label = "config1",
>  		.reg = MLXPLAT_CPLD_LPC_REG_CONFIG1_OFFSET,
> @@ -4605,9 +5770,9 @@ static struct mlxreg_core_data mlxplat_mlxcpld_chassis_blade_regs_io_data[] = {
>  	},
>  };
>  
> -static struct mlxreg_core_platform_data mlxplat_chassis_blade_regs_io_data = {
> -		.data = mlxplat_mlxcpld_chassis_blade_regs_io_data,
> -		.counter = ARRAY_SIZE(mlxplat_mlxcpld_chassis_blade_regs_io_data),
> +static struct mlxreg_core_platform_data mlxplat_smart_switch_regs_io_data = {
> +		.data = mlxplat_mlxcpld_smart_switch_regs_io_data,
> +		.counter = ARRAY_SIZE(mlxplat_mlxcpld_smart_switch_regs_io_data),
>  };
>  
>  /* Platform FAN default */
> @@ -4751,6 +5916,185 @@ static struct mlxreg_core_platform_data mlxplat_default_fan_data = {
>  		.capability = MLXPLAT_CPLD_LPC_REG_FAN_DRW_CAP_OFFSET,
>  };
>  
> +/* XDR and smart switch platform fan data */
> +static struct mlxreg_core_data mlxplat_mlxcpld_xdr_fan_data[] = {
> +	{
> +		.label = "pwm1",
> +		.reg = MLXPLAT_CPLD_LPC_REG_PWM1_OFFSET,
> +	},
> +	{
> +		.label = "tacho1",
> +		.reg = MLXPLAT_CPLD_LPC_REG_TACHO1_OFFSET,
> +		.mask = GENMASK(7, 0),
> +		.capability = MLXPLAT_CPLD_LPC_REG_FAN_CAP1_OFFSET,
> +		.slot = 1,
> +		.reg_prsnt = MLXPLAT_CPLD_LPC_REG_FAN_OFFSET,
> +	},
> +	{
> +		.label = "tacho2",
> +		.reg = MLXPLAT_CPLD_LPC_REG_TACHO2_OFFSET,
> +		.mask = GENMASK(7, 0),
> +		.capability = MLXPLAT_CPLD_LPC_REG_FAN_CAP1_OFFSET,
> +		.slot = 2,
> +		.reg_prsnt = MLXPLAT_CPLD_LPC_REG_FAN_OFFSET,
> +	},
> +	{
> +		.label = "tacho3",
> +		.reg = MLXPLAT_CPLD_LPC_REG_TACHO3_OFFSET,
> +		.mask = GENMASK(7, 0),
> +		.capability = MLXPLAT_CPLD_LPC_REG_FAN_CAP1_OFFSET,
> +		.slot = 3,
> +		.reg_prsnt = MLXPLAT_CPLD_LPC_REG_FAN_OFFSET,
> +	},
> +	{
> +		.label = "tacho4",
> +		.reg = MLXPLAT_CPLD_LPC_REG_TACHO4_OFFSET,
> +		.mask = GENMASK(7, 0),
> +		.capability = MLXPLAT_CPLD_LPC_REG_FAN_CAP1_OFFSET,
> +		.slot = 4,
> +		.reg_prsnt = MLXPLAT_CPLD_LPC_REG_FAN_OFFSET,
> +	},
> +	{
> +		.label = "tacho5",
> +		.reg = MLXPLAT_CPLD_LPC_REG_TACHO5_OFFSET,
> +		.mask = GENMASK(7, 0),
> +		.capability = MLXPLAT_CPLD_LPC_REG_FAN_CAP1_OFFSET,
> +		.slot = 5,
> +		.reg_prsnt = MLXPLAT_CPLD_LPC_REG_FAN_OFFSET,
> +	},
> +	{
> +		.label = "tacho6",
> +		.reg = MLXPLAT_CPLD_LPC_REG_TACHO6_OFFSET,
> +		.mask = GENMASK(7, 0),
> +		.capability = MLXPLAT_CPLD_LPC_REG_FAN_CAP1_OFFSET,
> +		.slot = 6,
> +		.reg_prsnt = MLXPLAT_CPLD_LPC_REG_FAN_OFFSET,
> +	},
> +	{
> +		.label = "tacho7",
> +		.reg = MLXPLAT_CPLD_LPC_REG_TACHO7_OFFSET,
> +		.mask = GENMASK(7, 0),
> +		.capability = MLXPLAT_CPLD_LPC_REG_FAN_CAP1_OFFSET,
> +		.slot = 7,
> +		.reg_prsnt = MLXPLAT_CPLD_LPC_REG_FAN_OFFSET,
> +	},
> +	{
> +		.label = "tacho8",
> +		.reg = MLXPLAT_CPLD_LPC_REG_TACHO8_OFFSET,
> +		.mask = GENMASK(7, 0),
> +		.capability = MLXPLAT_CPLD_LPC_REG_FAN_CAP1_OFFSET,
> +		.slot = 8,
> +		.reg_prsnt = MLXPLAT_CPLD_LPC_REG_FAN_OFFSET,
> +	},
> +	{
> +		.label = "tacho9",
> +		.reg = MLXPLAT_CPLD_LPC_REG_TACHO9_OFFSET,
> +		.mask = GENMASK(7, 0),
> +		.capability = MLXPLAT_CPLD_LPC_REG_FAN_CAP1_OFFSET,
> +		.slot = 9,
> +		.reg_prsnt = MLXPLAT_CPLD_LPC_REG_FAN_OFFSET,
> +	},
> +	{
> +		.label = "tacho10",
> +		.reg = MLXPLAT_CPLD_LPC_REG_TACHO10_OFFSET,
> +		.mask = GENMASK(7, 0),
> +		.capability = MLXPLAT_CPLD_LPC_REG_FAN_CAP1_OFFSET,
> +		.slot = 10,
> +		.reg_prsnt = MLXPLAT_CPLD_LPC_REG_FAN_OFFSET,
> +	},
> +	{
> +		.label = "tacho11",
> +		.reg = MLXPLAT_CPLD_LPC_REG_TACHO11_OFFSET,
> +		.mask = GENMASK(7, 0),
> +		.capability = MLXPLAT_CPLD_LPC_REG_FAN_CAP1_OFFSET,
> +		.slot = 11,
> +		.reg_prsnt = MLXPLAT_CPLD_LPC_REG_FAN_OFFSET,
> +	},
> +	{
> +		.label = "tacho12",
> +		.reg = MLXPLAT_CPLD_LPC_REG_TACHO12_OFFSET,
> +		.mask = GENMASK(7, 0),
> +		.capability = MLXPLAT_CPLD_LPC_REG_FAN_CAP1_OFFSET,
> +		.slot = 12,
> +		.reg_prsnt = MLXPLAT_CPLD_LPC_REG_FAN_OFFSET,
> +	},
> +	{
> +		.label = "tacho13",
> +		.reg = MLXPLAT_CPLD_LPC_REG_TACHO13_OFFSET,
> +		.mask = GENMASK(7, 0),
> +		.capability = MLXPLAT_CPLD_LPC_REG_FAN_CAP1_OFFSET,
> +		.slot = 13,
> +		.reg_prsnt = MLXPLAT_CPLD_LPC_REG_FAN_OFFSET,
> +	},
> +	{
> +		.label = "tacho14",
> +		.reg = MLXPLAT_CPLD_LPC_REG_TACHO14_OFFSET,
> +		.mask = GENMASK(7, 0),
> +		.capability = MLXPLAT_CPLD_LPC_REG_FAN_CAP1_OFFSET,
> +		.slot = 14,
> +		.reg_prsnt = MLXPLAT_CPLD_LPC_REG_FAN_OFFSET,
> +	},
> +	{
> +		.label = "tacho15",
> +		.reg = MLXPLAT_CPLD_LPC_REG_TACHO15_OFFSET,
> +		.mask = GENMASK(7, 0),
> +		.capability = MLXPLAT_CPLD_LPC_REG_FAN_CAP1_OFFSET,
> +		.slot = 15,
> +		.reg_prsnt = MLXPLAT_CPLD_LPC_REG_FAN_OFFSET,
> +	},
> +	{
> +		.label = "tacho16",
> +		.reg = MLXPLAT_CPLD_LPC_REG_TACHO16_OFFSET,
> +		.mask = GENMASK(7, 0),
> +		.capability = MLXPLAT_CPLD_LPC_REG_FAN_CAP1_OFFSET,
> +		.slot = 16,
> +		.reg_prsnt = MLXPLAT_CPLD_LPC_REG_FAN_OFFSET,
> +	},
> +	{
> +		.label = "tacho17",
> +		.reg = MLXPLAT_CPLD_LPC_REG_TACHO17_OFFSET,
> +		.mask = GENMASK(7, 0),
> +		.capability = MLXPLAT_CPLD_LPC_REG_FAN_CAP1_OFFSET,
> +		.slot = 17,
> +		.reg_prsnt = MLXPLAT_CPLD_LPC_REG_FAN2_OFFSET,
> +	},
> +	{
> +		.label = "tacho18",
> +		.reg = MLXPLAT_CPLD_LPC_REG_TACHO18_OFFSET,
> +		.mask = GENMASK(7, 0),
> +		.capability = MLXPLAT_CPLD_LPC_REG_FAN_CAP1_OFFSET,
> +		.slot = 18,
> +		.reg_prsnt = MLXPLAT_CPLD_LPC_REG_FAN2_OFFSET,
> +	},
> +	{
> +		.label = "tacho19",
> +		.reg = MLXPLAT_CPLD_LPC_REG_TACHO19_OFFSET,
> +		.mask = GENMASK(7, 0),
> +		.capability = MLXPLAT_CPLD_LPC_REG_FAN_CAP1_OFFSET,
> +		.slot = 19,
> +		.reg_prsnt = MLXPLAT_CPLD_LPC_REG_FAN2_OFFSET,
> +	},
> +	{
> +		.label = "tacho20",
> +		.reg = MLXPLAT_CPLD_LPC_REG_TACHO20_OFFSET,
> +		.mask = GENMASK(7, 0),
> +		.capability = MLXPLAT_CPLD_LPC_REG_FAN_CAP1_OFFSET,
> +		.slot = 20,
> +		.reg_prsnt = MLXPLAT_CPLD_LPC_REG_FAN2_OFFSET,
> +	},
> +	{
> +		.label = "conf",
> +		.capability = MLXPLAT_CPLD_LPC_REG_TACHO_SPEED_OFFSET,
> +	},
> +};
> +
> +static struct mlxreg_core_platform_data mlxplat_xdr_fan_data = {
> +		.data = mlxplat_mlxcpld_xdr_fan_data,
> +		.counter = ARRAY_SIZE(mlxplat_mlxcpld_xdr_fan_data),
> +		.capability = MLXPLAT_CPLD_LPC_REG_FAN_DRW_CAP_OFFSET,
> +		.version = 1,
> +};
> +
>  /* Watchdog type1: hardware implementation version1
>   * (MSN2700, MSN2410, MSN2740, MSN2100 and MSN2140 systems).
>   */
> @@ -4975,6 +6319,8 @@ static bool mlxplat_mlxcpld_writeable_reg(struct device *dev, unsigned int reg)
>  {
>  	switch (reg) {
>  	case MLXPLAT_CPLD_LPC_REG_RESET_GP1_OFFSET:
> +	case MLXPLAT_CPLD_LPC_REG_RESET_GP2_OFFSET:
> +	case MLXPLAT_CPLD_LPC_REG_RESET_GP3_OFFSET:
>  	case MLXPLAT_CPLD_LPC_REG_RESET_GP4_OFFSET:
>  	case MLXPLAT_CPLD_LPC_REG_LED1_OFFSET:
>  	case MLXPLAT_CPLD_LPC_REG_LED2_OFFSET:
> @@ -4983,12 +6329,14 @@ static bool mlxplat_mlxcpld_writeable_reg(struct device *dev, unsigned int reg)
>  	case MLXPLAT_CPLD_LPC_REG_LED5_OFFSET:
>  	case MLXPLAT_CPLD_LPC_REG_LED6_OFFSET:
>  	case MLXPLAT_CPLD_LPC_REG_LED7_OFFSET:
> +	case MLXPLAT_CPLD_LPC_REG_LED8_OFFSET:
>  	case MLXPLAT_CPLD_LPC_REG_GP0_OFFSET:
>  	case MLXPLAT_CPLD_LPC_REG_GP_RST_OFFSET:
>  	case MLXPLAT_CPLD_LPC_REG_GP1_OFFSET:
>  	case MLXPLAT_CPLD_LPC_REG_WP1_OFFSET:
>  	case MLXPLAT_CPLD_LPC_REG_GP2_OFFSET:
>  	case MLXPLAT_CPLD_LPC_REG_WP2_OFFSET:
> +	case MLXPLAT_CPLD_LPC_REG_GP3_OFFSET:
>  	case MLXPLAT_CPLD_LPC_REG_FIELD_UPGRADE:
>  	case MLXPLAT_CPLD_LPC_SAFE_BIOS_OFFSET:
>  	case MLXPLAT_CPLD_LPC_SAFE_BIOS_WP_OFFSET:
> @@ -5012,10 +6360,14 @@ static bool mlxplat_mlxcpld_writeable_reg(struct device *dev, unsigned int reg)
>  	case MLXPLAT_CPLD_LPC_REG_ASIC2_MASK_OFFSET:
>  	case MLXPLAT_CPLD_LPC_REG_PSU_EVENT_OFFSET:
>  	case MLXPLAT_CPLD_LPC_REG_PSU_MASK_OFFSET:
> +	case MLXPLAT_CPLD_LPC_REG_PSU_AC_OFFSET:
>  	case MLXPLAT_CPLD_LPC_REG_PWR_EVENT_OFFSET:
>  	case MLXPLAT_CPLD_LPC_REG_PWR_MASK_OFFSET:
> +	case MLXPLAT_CPLD_LPC_REG_PSU_ALERT_OFFSET:
>  	case MLXPLAT_CPLD_LPC_REG_FAN_EVENT_OFFSET:
>  	case MLXPLAT_CPLD_LPC_REG_FAN_MASK_OFFSET:
> +	case MLXPLAT_CPLD_LPC_REG_FAN2_EVENT_OFFSET:
> +	case MLXPLAT_CPLD_LPC_REG_FAN2_MASK_OFFSET:
>  	case MLXPLAT_CPLD_LPC_REG_EROT_EVENT_OFFSET:
>  	case MLXPLAT_CPLD_LPC_REG_EROT_MASK_OFFSET:
>  	case MLXPLAT_CPLD_LPC_REG_EROTE_EVENT_OFFSET:
> @@ -5083,6 +6435,8 @@ static bool mlxplat_mlxcpld_readable_reg(struct device *dev, unsigned int reg)
>  	case MLXPLAT_CPLD_LPC_REG_CPLD5_PN_OFFSET:
>  	case MLXPLAT_CPLD_LPC_REG_CPLD5_PN1_OFFSET:
>  	case MLXPLAT_CPLD_LPC_REG_RESET_GP1_OFFSET:
> +	case MLXPLAT_CPLD_LPC_REG_RESET_GP2_OFFSET:
> +	case MLXPLAT_CPLD_LPC_REG_RESET_GP3_OFFSET:
>  	case MLXPLAT_CPLD_LPC_REG_RESET_GP4_OFFSET:
>  	case MLXPLAT_CPLD_LPC_REG_RESET_CAUSE_OFFSET:
>  	case MLXPLAT_CPLD_LPC_REG_RST_CAUSE1_OFFSET:
> @@ -5094,15 +6448,18 @@ static bool mlxplat_mlxcpld_readable_reg(struct device *dev, unsigned int reg)
>  	case MLXPLAT_CPLD_LPC_REG_LED5_OFFSET:
>  	case MLXPLAT_CPLD_LPC_REG_LED6_OFFSET:
>  	case MLXPLAT_CPLD_LPC_REG_LED7_OFFSET:
> +	case MLXPLAT_CPLD_LPC_REG_LED8_OFFSET:
>  	case MLXPLAT_CPLD_LPC_REG_FAN_DIRECTION:
>  	case MLXPLAT_CPLD_LPC_REG_GP0_RO_OFFSET:
>  	case MLXPLAT_CPLD_LPC_REG_GPCOM0_OFFSET:
> +	case MLXPLAT_CPLD_LPC_REG_GP1_RO_OFFSET:
>  	case MLXPLAT_CPLD_LPC_REG_GP0_OFFSET:
>  	case MLXPLAT_CPLD_LPC_REG_GP_RST_OFFSET:
>  	case MLXPLAT_CPLD_LPC_REG_GP1_OFFSET:
>  	case MLXPLAT_CPLD_LPC_REG_WP1_OFFSET:
>  	case MLXPLAT_CPLD_LPC_REG_GP2_OFFSET:
>  	case MLXPLAT_CPLD_LPC_REG_WP2_OFFSET:
> +	case MLXPLAT_CPLD_LPC_REG_GP3_OFFSET:
>  	case MLXPLAT_CPLD_LPC_REG_FIELD_UPGRADE:
>  	case MLXPLAT_CPLD_LPC_SAFE_BIOS_OFFSET:
>  	case MLXPLAT_CPLD_LPC_SAFE_BIOS_WP_OFFSET:
> @@ -5122,6 +6479,7 @@ static bool mlxplat_mlxcpld_readable_reg(struct device *dev, unsigned int reg)
>  	case MLXPLAT_CPLD_LPC_REG_GWP_OFFSET:
>  	case MLXPLAT_CPLD_LPC_REG_GWP_EVENT_OFFSET:
>  	case MLXPLAT_CPLD_LPC_REG_GWP_MASK_OFFSET:
> +	case MLXPLAT_CPLD_LPC_REG_GPI_MASK_OFFSET:
>  	case MLXPLAT_CPLD_LPC_REG_BRD_OFFSET:
>  	case MLXPLAT_CPLD_LPC_REG_BRD_EVENT_OFFSET:
>  	case MLXPLAT_CPLD_LPC_REG_BRD_MASK_OFFSET:
> @@ -5134,12 +6492,17 @@ static bool mlxplat_mlxcpld_readable_reg(struct device *dev, unsigned int reg)
>  	case MLXPLAT_CPLD_LPC_REG_PSU_OFFSET:
>  	case MLXPLAT_CPLD_LPC_REG_PSU_EVENT_OFFSET:
>  	case MLXPLAT_CPLD_LPC_REG_PSU_MASK_OFFSET:
> +	case MLXPLAT_CPLD_LPC_REG_PSU_AC_OFFSET:
>  	case MLXPLAT_CPLD_LPC_REG_PWR_OFFSET:
>  	case MLXPLAT_CPLD_LPC_REG_PWR_EVENT_OFFSET:
>  	case MLXPLAT_CPLD_LPC_REG_PWR_MASK_OFFSET:
> +	case MLXPLAT_CPLD_LPC_REG_PSU_ALERT_OFFSET:
>  	case MLXPLAT_CPLD_LPC_REG_FAN_OFFSET:
>  	case MLXPLAT_CPLD_LPC_REG_FAN_EVENT_OFFSET:
>  	case MLXPLAT_CPLD_LPC_REG_FAN_MASK_OFFSET:
> +	case MLXPLAT_CPLD_LPC_REG_FAN2_OFFSET:
> +	case MLXPLAT_CPLD_LPC_REG_FAN2_EVENT_OFFSET:
> +	case MLXPLAT_CPLD_LPC_REG_FAN2_MASK_OFFSET:
>  	case MLXPLAT_CPLD_LPC_REG_EROT_OFFSET:
>  	case MLXPLAT_CPLD_LPC_REG_EROT_EVENT_OFFSET:
>  	case MLXPLAT_CPLD_LPC_REG_EROT_MASK_OFFSET:
> @@ -5213,6 +6576,13 @@ static bool mlxplat_mlxcpld_readable_reg(struct device *dev, unsigned int reg)
>  	case MLXPLAT_CPLD_LPC_REG_TACHO12_OFFSET:
>  	case MLXPLAT_CPLD_LPC_REG_TACHO13_OFFSET:
>  	case MLXPLAT_CPLD_LPC_REG_TACHO14_OFFSET:
> +	case MLXPLAT_CPLD_LPC_REG_TACHO15_OFFSET:
> +	case MLXPLAT_CPLD_LPC_REG_TACHO16_OFFSET:
> +	case MLXPLAT_CPLD_LPC_REG_TACHO17_OFFSET:
> +	case MLXPLAT_CPLD_LPC_REG_TACHO18_OFFSET:
> +	case MLXPLAT_CPLD_LPC_REG_TACHO19_OFFSET:
> +	case MLXPLAT_CPLD_LPC_REG_TACHO20_OFFSET:
> +	case MLXPLAT_CPLD_LPC_REG_ASIC_CAP_OFFSET:
>  	case MLXPLAT_CPLD_LPC_REG_PWM_CONTROL_OFFSET:
>  	case MLXPLAT_CPLD_LPC_REG_FAN_CAP1_OFFSET:
>  	case MLXPLAT_CPLD_LPC_REG_FAN_CAP2_OFFSET:
> @@ -5248,6 +6618,8 @@ static bool mlxplat_mlxcpld_volatile_reg(struct device *dev, unsigned int reg)
>  	case MLXPLAT_CPLD_LPC_REG_CPLD5_PN_OFFSET:
>  	case MLXPLAT_CPLD_LPC_REG_CPLD5_PN1_OFFSET:
>  	case MLXPLAT_CPLD_LPC_REG_RESET_GP1_OFFSET:
> +	case MLXPLAT_CPLD_LPC_REG_RESET_GP2_OFFSET:
> +	case MLXPLAT_CPLD_LPC_REG_RESET_GP3_OFFSET:
>  	case MLXPLAT_CPLD_LPC_REG_RESET_GP4_OFFSET:
>  	case MLXPLAT_CPLD_LPC_REG_RESET_CAUSE_OFFSET:
>  	case MLXPLAT_CPLD_LPC_REG_RST_CAUSE1_OFFSET:
> @@ -5259,13 +6631,16 @@ static bool mlxplat_mlxcpld_volatile_reg(struct device *dev, unsigned int reg)
>  	case MLXPLAT_CPLD_LPC_REG_LED5_OFFSET:
>  	case MLXPLAT_CPLD_LPC_REG_LED6_OFFSET:
>  	case MLXPLAT_CPLD_LPC_REG_LED7_OFFSET:
> +	case MLXPLAT_CPLD_LPC_REG_LED8_OFFSET:
>  	case MLXPLAT_CPLD_LPC_REG_FAN_DIRECTION:
>  	case MLXPLAT_CPLD_LPC_REG_GP0_RO_OFFSET:
>  	case MLXPLAT_CPLD_LPC_REG_GPCOM0_OFFSET:
> +	case MLXPLAT_CPLD_LPC_REG_GP1_RO_OFFSET:
>  	case MLXPLAT_CPLD_LPC_REG_GP0_OFFSET:
>  	case MLXPLAT_CPLD_LPC_REG_GP_RST_OFFSET:
>  	case MLXPLAT_CPLD_LPC_REG_GP1_OFFSET:
>  	case MLXPLAT_CPLD_LPC_REG_GP2_OFFSET:
> +	case MLXPLAT_CPLD_LPC_REG_GP3_OFFSET:
>  	case MLXPLAT_CPLD_LPC_REG_FIELD_UPGRADE:
>  	case MLXPLAT_CPLD_LPC_SAFE_BIOS_OFFSET:
>  	case MLXPLAT_CPLD_LPC_SAFE_BIOS_WP_OFFSET:
> @@ -5285,6 +6660,7 @@ static bool mlxplat_mlxcpld_volatile_reg(struct device *dev, unsigned int reg)
>  	case MLXPLAT_CPLD_LPC_REG_GWP_OFFSET:
>  	case MLXPLAT_CPLD_LPC_REG_GWP_EVENT_OFFSET:
>  	case MLXPLAT_CPLD_LPC_REG_GWP_MASK_OFFSET:
> +	case MLXPLAT_CPLD_LPC_REG_GPI_MASK_OFFSET:
>  	case MLXPLAT_CPLD_LPC_REG_BRD_OFFSET:
>  	case MLXPLAT_CPLD_LPC_REG_BRD_EVENT_OFFSET:
>  	case MLXPLAT_CPLD_LPC_REG_BRD_MASK_OFFSET:
> @@ -5297,9 +6673,11 @@ static bool mlxplat_mlxcpld_volatile_reg(struct device *dev, unsigned int reg)
>  	case MLXPLAT_CPLD_LPC_REG_PSU_OFFSET:
>  	case MLXPLAT_CPLD_LPC_REG_PSU_EVENT_OFFSET:
>  	case MLXPLAT_CPLD_LPC_REG_PSU_MASK_OFFSET:
> +	case MLXPLAT_CPLD_LPC_REG_PSU_AC_OFFSET:
>  	case MLXPLAT_CPLD_LPC_REG_PWR_OFFSET:
>  	case MLXPLAT_CPLD_LPC_REG_PWR_EVENT_OFFSET:
>  	case MLXPLAT_CPLD_LPC_REG_PWR_MASK_OFFSET:
> +	case MLXPLAT_CPLD_LPC_REG_PSU_ALERT_OFFSET:
>  	case MLXPLAT_CPLD_LPC_REG_FAN_OFFSET:
>  	case MLXPLAT_CPLD_LPC_REG_FAN_EVENT_OFFSET:
>  	case MLXPLAT_CPLD_LPC_REG_FAN_MASK_OFFSET:
> @@ -5370,6 +6748,13 @@ static bool mlxplat_mlxcpld_volatile_reg(struct device *dev, unsigned int reg)
>  	case MLXPLAT_CPLD_LPC_REG_TACHO12_OFFSET:
>  	case MLXPLAT_CPLD_LPC_REG_TACHO13_OFFSET:
>  	case MLXPLAT_CPLD_LPC_REG_TACHO14_OFFSET:
> +	case MLXPLAT_CPLD_LPC_REG_TACHO15_OFFSET:
> +	case MLXPLAT_CPLD_LPC_REG_TACHO16_OFFSET:
> +	case MLXPLAT_CPLD_LPC_REG_TACHO17_OFFSET:
> +	case MLXPLAT_CPLD_LPC_REG_TACHO18_OFFSET:
> +	case MLXPLAT_CPLD_LPC_REG_TACHO19_OFFSET:
> +	case MLXPLAT_CPLD_LPC_REG_TACHO20_OFFSET:
> +	case MLXPLAT_CPLD_LPC_REG_ASIC_CAP_OFFSET:
>  	case MLXPLAT_CPLD_LPC_REG_PWM_CONTROL_OFFSET:
>  	case MLXPLAT_CPLD_LPC_REG_FAN_CAP1_OFFSET:
>  	case MLXPLAT_CPLD_LPC_REG_FAN_CAP2_OFFSET:
> @@ -5431,6 +6816,15 @@ static const struct reg_default mlxplat_mlxcpld_regmap_eth_modular[] = {
>  	  MLXPLAT_CPLD_AGGR_MASK_LC_LOW },
>  };
>  
> +static const struct reg_default mlxplat_mlxcpld_regmap_smart_switch[] = {
> +	{ MLXPLAT_CPLD_LPC_REG_PWM_CONTROL_OFFSET, 0x00 },
> +	{ MLXPLAT_CPLD_LPC_REG_WD1_ACT_OFFSET, 0x00 },
> +	{ MLXPLAT_CPLD_LPC_REG_WD2_ACT_OFFSET, 0x00 },
> +	{ MLXPLAT_CPLD_LPC_REG_WD3_ACT_OFFSET, 0x00 },
> +	{ MLXPLAT_CPLD_LPC_REG_AGGRCX_MASK_OFFSET,
> +	  MLXPLAT_CPLD_LPC_SM_SW_MASK },
> +};
> +
>  struct mlxplat_mlxcpld_regmap_context {
>  	void __iomem *base;
>  };
> @@ -5539,6 +6933,20 @@ static const struct regmap_config mlxplat_mlxcpld_regmap_config_eth_modular = {
>  	.reg_write = mlxplat_mlxcpld_reg_write,
>  };
>  
> +static const struct regmap_config mlxplat_mlxcpld_regmap_config_smart_switch = {
> +	.reg_bits = 8,
> +	.val_bits = 8,
> +	.max_register = 255,
> +	.cache_type = REGCACHE_FLAT,
> +	.writeable_reg = mlxplat_mlxcpld_writeable_reg,
> +	.readable_reg = mlxplat_mlxcpld_readable_reg,
> +	.volatile_reg = mlxplat_mlxcpld_volatile_reg,
> +	.reg_defaults = mlxplat_mlxcpld_regmap_smart_switch,
> +	.num_reg_defaults = ARRAY_SIZE(mlxplat_mlxcpld_regmap_smart_switch),
> +	.reg_read = mlxplat_mlxcpld_reg_read,
> +	.reg_write = mlxplat_mlxcpld_reg_write,
> +};
> +
>  static struct resource mlxplat_mlxcpld_resources[] = {
>  	[0] = DEFINE_RES_IRQ_NAMED(MLXPLAT_CPLD_LPC_SYSIRQ, "mlxreg-hotplug"),
>  };
> @@ -5550,6 +6958,7 @@ static struct mlxreg_core_platform_data *mlxplat_regs_io;
>  static struct mlxreg_core_platform_data *mlxplat_fan;
>  static struct mlxreg_core_platform_data
>  	*mlxplat_wd_data[MLXPLAT_CPLD_WD_MAX_DEVS];
> +static struct mlxreg_core_data *mlxplat_dpu_data[MLXPLAT_CPLD_DPU_MAX_DEVS];
>  static const struct regmap_config *mlxplat_regmap_config;
>  static struct pci_dev *lpc_bridge;
>  static struct pci_dev *i2c_bridge;
> @@ -5921,6 +7330,29 @@ static int __init mlxplat_dmi_l1_switch_matched(const struct dmi_system_id *dmi)
>  	return mlxplat_register_platform_device();
>  }
>  
> +static int __init mlxplat_dmi_smart_switch_matched(const struct dmi_system_id *dmi)
> +{
> +	int i;
> +
> +	mlxplat_max_adap_num = MLXPLAT_CPLD_MAX_PHYS_ADAPTER_NUM;
> +	mlxplat_mux_num = ARRAY_SIZE(mlxplat_ng800_mux_data);
> +	mlxplat_mux_data = mlxplat_ng800_mux_data;
> +	mlxplat_hotplug = &mlxplat_mlxcpld_smart_switch_data;
> +	mlxplat_hotplug->deferred_nr =
> +		mlxplat_msn21xx_channels[MLXPLAT_CPLD_GRP_CHNL_NUM - 1];
> +	mlxplat_led = &mlxplat_xdr_led_data;
> +	mlxplat_regs_io = &mlxplat_smart_switch_regs_io_data;
> +	mlxplat_fan = &mlxplat_xdr_fan_data;
> +	for (i = 0; i < ARRAY_SIZE(mlxplat_mlxcpld_wd_set_type2); i++)
> +		mlxplat_wd_data[i] = &mlxplat_mlxcpld_wd_set_type2[i];
> +	for (i = 0; i < ARRAY_SIZE(mlxplat_mlxcpld_smart_switch_dpu_data); i++)
> +		mlxplat_dpu_data[i] = &mlxplat_mlxcpld_smart_switch_dpu_data[i];
> +	mlxplat_i2c = &mlxplat_mlxcpld_i2c_ng_data;
> +	mlxplat_regmap_config = &mlxplat_mlxcpld_regmap_config_smart_switch;
> +
> +	return mlxplat_register_platform_device();
> +}
> +
>  static const struct dmi_system_id mlxplat_dmi_table[] __initconst = {
>  	{
>  		.callback = mlxplat_dmi_default_wc_matched,
> @@ -6015,6 +7447,12 @@ static const struct dmi_system_id mlxplat_dmi_table[] __initconst = {
>  			DMI_MATCH(DMI_BOARD_NAME, "VMOD0017"),
>  		},
>  	},
> +	{
> +		.callback = mlxplat_dmi_smart_switch_matched,
> +		.matches = {
> +			DMI_MATCH(DMI_BOARD_NAME, "VMOD0019"),
> +		},
> +	},
>  	{
>  		.callback = mlxplat_dmi_msn274x_matched,
>  		.matches = {
> @@ -6390,8 +7828,25 @@ static int mlxplat_platdevs_init(struct mlxplat_priv *priv)
>  		}
>  	}
>  
> +	/* Add DPU drivers. */
> +	for (i = 0; i < MLXPLAT_CPLD_DPU_MAX_DEVS; i++) {
> +		if (mlxplat_dpu_data[i]) {
> +			priv->pdev_dpu[i] =
> +				platform_device_register_resndata(&mlxplat_dev->dev, "mlxreg-dpu",
> +								  i, NULL, 0, mlxplat_dpu_data[i],
> +								  sizeof(*mlxplat_dpu_data[i]));
> +			if (IS_ERR(priv->pdev_dpu[i])) {
> +				err = PTR_ERR(priv->pdev_dpu[i]);
> +				goto fail_platform_dpu_register;
> +			}
> +		}
> +	}
> +
>  	return 0;
>  
> +fail_platform_dpu_register:
> +	while (--i >= 0)
> +		platform_device_unregister(priv->pdev_dpu[i]);
>  fail_platform_wd_register:
>  	while (--i >= 0)
>  		platform_device_unregister(priv->pdev_wd[i]);
> @@ -6412,6 +7867,8 @@ static void mlxplat_platdevs_exit(struct mlxplat_priv *priv)
>  {
>  	int i;
>  
> +	for (i = MLXPLAT_CPLD_DPU_MAX_DEVS - 1; i >= 0 ; i--)
> +		platform_device_unregister(priv->pdev_dpu[i]);
>  	for (i = MLXPLAT_CPLD_WD_MAX_DEVS - 1; i >= 0 ; i--)
>  		platform_device_unregister(priv->pdev_wd[i]);
>  	if (priv->pdev_fan)
> 

-- 
 i.

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