Commit aff47580 authored by Vadim Pasternak's avatar Vadim Pasternak Committed by Darren Hart (VMware)
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platform/x86: mlx-platform: Add support for fan direction register 



Provide support for the fan direction register.
This register shows configuration for system fans direction, which could
be forward or reversed.
For forward direction - relevant bit is set 0;
For reversed direction - relevant bit is set 1.

Signed-off-by: default avatarVadim Pasternak <vadimp@mellanox.com>
Signed-off-by: default avatarDarren Hart (VMware) <dvhart@infradead.org>
parent 522e4ee6

drivers/platform/x86/mlx-platform.c

+9 −0
Original line number Diff line number Diff line
@@ -33,6 +33,7 @@ 
#define MLXPLAT_CPLD_LPC_REG_LED3_OFFSET	0x22

#define MLXPLAT_CPLD_LPC_REG_LED4_OFFSET	0x23

#define MLXPLAT_CPLD_LPC_REG_LED5_OFFSET	0x24

#define MLXPLAT_CPLD_LPC_REG_FAN_DIRECTION	0x2a

#define MLXPLAT_CPLD_LPC_REG_GP1_OFFSET		0x30

#define MLXPLAT_CPLD_LPC_REG_WP1_OFFSET		0x31

#define MLXPLAT_CPLD_LPC_REG_GP2_OFFSET		0x32
@@ -1184,6 +1185,12 @@ static struct mlxreg_core_data mlxplat_mlxcpld_default_ng_regs_io_data[] = { 
		.bit = 1,

		.mode = 0444,

	},

	{

		.label = "fan_dir",

		.reg = MLXPLAT_CPLD_LPC_REG_FAN_DIRECTION,

		.bit = GENMASK(7, 0),

		.mode = 0200,

	},

};



static struct mlxreg_core_platform_data mlxplat_default_ng_regs_io_data = {
@@ -1307,6 +1314,7 @@ static bool mlxplat_mlxcpld_readable_reg(struct device *dev, unsigned int reg) 
	case MLXPLAT_CPLD_LPC_REG_LED3_OFFSET:

	case MLXPLAT_CPLD_LPC_REG_LED4_OFFSET:

	case MLXPLAT_CPLD_LPC_REG_LED5_OFFSET:

	case MLXPLAT_CPLD_LPC_REG_FAN_DIRECTION:

	case MLXPLAT_CPLD_LPC_REG_GP1_OFFSET:

	case MLXPLAT_CPLD_LPC_REG_WP1_OFFSET:

	case MLXPLAT_CPLD_LPC_REG_GP2_OFFSET:
@@ -1360,6 +1368,7 @@ static bool mlxplat_mlxcpld_volatile_reg(struct device *dev, unsigned int reg) 
	case MLXPLAT_CPLD_LPC_REG_LED3_OFFSET:

	case MLXPLAT_CPLD_LPC_REG_LED4_OFFSET:

	case MLXPLAT_CPLD_LPC_REG_LED5_OFFSET:

	case MLXPLAT_CPLD_LPC_REG_FAN_DIRECTION:

	case MLXPLAT_CPLD_LPC_REG_GP1_OFFSET:

	case MLXPLAT_CPLD_LPC_REG_GP2_OFFSET:

	case MLXPLAT_CPLD_LPC_REG_AGGR_OFFSET:

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