Devicetree binding constants for the Analog Devices MAX30009 BioZ AFE. More...

Macros
BioZ digital high-pass filter cutoff
Values for the bioz-dhpf devicetree property.
#define	MAX30009_DT_DHPF_BYPASS 0
	DHPF bypass (filter disabled).
#define	MAX30009_DT_DHPF_0_00025_SR 1
	DHPF cutoff 0.00025 x SR_BIOZ.
#define	MAX30009_DT_DHPF_0_002_SR 2
	DHPF cutoff 0.002 x SR_BIOZ.
BioZ digital low-pass filter cutoff
Values for the bioz-dlpf devicetree property.
#define	MAX30009_DT_DLPF_BYPASS 0
	DLPF bypass (filter disabled).
#define	MAX30009_DT_DLPF_0_005_SR 1
	DLPF cutoff 0.005 x SR_BIOZ.
#define	MAX30009_DT_DLPF_0_02_SR 2
	DLPF cutoff 0.02 x SR_BIOZ.
#define	MAX30009_DT_DLPF_0_08_SR 3
	DLPF cutoff 0.08 x SR_BIOZ.
#define	MAX30009_DT_DLPF_0_25_SR 4
	DLPF cutoff 0.25 x SR_BIOZ.
BioZ threshold comparator channel
Values for the bioz-cmp devicetree property.
#define	MAX30009_DT_CMP_I 0
	Compare the I channel.
#define	MAX30009_DT_CMP_Q 1
	Compare the Q channel.
#define	MAX30009_DT_CMP_Z 2
	Compare the magnitude (Z).
BioZ transmit drive mode
Values for the bioz-drv-mode devicetree property.
#define	MAX30009_DT_DRV_MODE_CURRENT 0
	Current drive.
#define	MAX30009_DT_DRV_MODE_VOLTAGE 1
	Voltage drive.
#define	MAX30009_DT_DRV_MODE_HBRIDGE 2
	H-bridge drive.
#define	MAX30009_DT_DRV_MODE_STANDBY 3
	Standby.
BioZ internal current-range resistor
Values for the bioz-idrv-rge devicetree property.
#define	MAX30009_DT_IDRV_RGE_552_5K 0
	552.5 kOhm
#define	MAX30009_DT_IDRV_RGE_110_5K 1
	110.5 kOhm
#define	MAX30009_DT_IDRV_RGE_5_525K 2
	5.525 kOhm
#define	MAX30009_DT_IDRV_RGE_276_25R 3
	276.25 Ohm
BioZ voltage-drive magnitude
Values for the bioz-vdrv-mag devicetree property.
#define	MAX30009_DT_VDRV_MAG_50MV 0
	50 mVpk
#define	MAX30009_DT_VDRV_MAG_100MV 1
	100 mVpk
#define	MAX30009_DT_VDRV_MAG_250MV 2
	250 mVpk
#define	MAX30009_DT_VDRV_MAG_500MV 3
	500 mVpk
BioZ analog high-pass filter (AHPF) selection
Values for the bioz-ahpf devicetree property.
#define	MAX30009_DT_AHPF_100HZ 0
	100 Hz
#define	MAX30009_DT_AHPF_200HZ 1
	200 Hz
#define	MAX30009_DT_AHPF_500HZ 2
	500 Hz
#define	MAX30009_DT_AHPF_1KHZ 3
	1 kHz
#define	MAX30009_DT_AHPF_2KHZ 4
	2 kHz
#define	MAX30009_DT_AHPF_5KHZ 5
	5 kHz
#define	MAX30009_DT_AHPF_10KHZ 6
	10 kHz
#define	MAX30009_DT_AHPF_BYPASS 7
	AHPF bypassed (resistor opened, internal capacitors shorted).
#define	MAX30009_DT_AHPF_42_4M 8
	42.4 MOhm, internal capacitors shorted
#define	MAX30009_DT_AHPF_21_2M 9
	21.2 MOhm, internal capacitors shorted
#define	MAX30009_DT_AHPF_8_4M 10
	8.4 MOhm, internal capacitors shorted
#define	MAX30009_DT_AHPF_4_2M 11
	4.2 MOhm, internal capacitors shorted
#define	MAX30009_DT_AHPF_2_2M 12
	2.2 MOhm, internal capacitors shorted
#define	MAX30009_DT_AHPF_848K 13
	848 kOhm, internal capacitors shorted
#define	MAX30009_DT_AHPF_848K_ALT 14
	848 kOhm, internal capacitors shorted
#define	MAX30009_DT_AHPF_BYPASS_ALT 15
	AHPF bypassed (resistor opened, internal capacitors shorted).
BioZ instrumentation amplifier power mode
Values for the bioz-ina-mode devicetree property.
#define	MAX30009_DT_INA_MODE_HIGH_POWER 0
	High-power (low-noise) mode.
#define	MAX30009_DT_INA_MODE_LOW_POWER 1
	Low-power mode.
BioZ receive-channel gain
Values for the bioz-gain devicetree property.
#define	MAX30009_DT_GAIN_1X 0
	1x gain
#define	MAX30009_DT_GAIN_2X 1
	2x gain
#define	MAX30009_DT_GAIN_5X 2
	5x gain
#define	MAX30009_DT_GAIN_10X 3
	10x gain
BioZ DC-restore switch
Values for the bioz-dc-restore devicetree property.
#define	MAX30009_DT_DC_RESTORE_OPEN 0
	DC_RESTORE switch open.
#define	MAX30009_DT_DC_RESTORE_CLOSED 1
	DC_RESTORE switch closed.
BioZ amplifier range
Values for the bioz-amp-rge devicetree property.
#define	MAX30009_DT_AMP_RGE_LOW 0
	Low.
#define	MAX30009_DT_AMP_RGE_MEDIUM_LOW 1
	Medium-low.
#define	MAX30009_DT_AMP_RGE_MEDIUM_HIGH 2
	Medium-high.
#define	MAX30009_DT_AMP_RGE_HIGH 3
	High.
BioZ amplifier bandwidth
Values for the bioz-amp-bw devicetree property.
#define	MAX30009_DT_AMP_BW_LOW 0
	Low bandwidth.
#define	MAX30009_DT_AMP_BW_MEDIUM_LOW 1
	Medium-low bandwidth.
#define	MAX30009_DT_AMP_BW_MEDIUM_HIGH 2
	Medium-high bandwidth.
#define	MAX30009_DT_AMP_BW_HIGH 3
	High bandwidth.
BioZ Q-channel demodulator clock phase
Values for the bioz-q-clk-phase devicetree property.
#define	MAX30009_DT_Q_CLK_PHASE_NORMAL 0
	Normal operation (Q demodulator clock in quadrature phase).
#define	MAX30009_DT_Q_CLK_PHASE_I 1
	I phase (Q demodulator clock in phase with stimulus).
BioZ I-channel demodulator clock phase
Values for the bioz-i-clk-phase devicetree property.
#define	MAX30009_DT_I_CLK_PHASE_NORMAL 0
	Normal operation (I demodulator clock in phase with stimulus).
#define	MAX30009_DT_I_CLK_PHASE_Q 1
	Q phase (I demodulator clock in quadrature phase).
BioZ mux internal-load resistor
Values for the bmux-rsel devicetree property.
#define	MAX30009_DT_BMUX_RSEL_5100R 0
	5100 Ohm
#define	MAX30009_DT_BMUX_RSEL_900R 1
	900 Ohm
#define	MAX30009_DT_BMUX_RSEL_600R 2
	600 Ohm
#define	MAX30009_DT_BMUX_RSEL_280R 3
	280 Ohm
BioZ GSR-load resistor
Values for the bmux-gsr-rsel devicetree property.
#define	MAX30009_DT_BMUX_GSR_RSEL_25_7K 0
	25.7 kOhm
#define	MAX30009_DT_BMUX_GSR_RSEL_101K 1
	101 kOhm
#define	MAX30009_DT_BMUX_GSR_RSEL_505K 2
	505 kOhm
#define	MAX30009_DT_BMUX_GSR_RSEL_1000K 3
	1000 kOhm
BioZ positive-input (BIP) electrode assignment
Values for the bip-assign devicetree property.
#define	MAX30009_DT_BIP_ASSIGN_EL1 0
	EL1.
#define	MAX30009_DT_BIP_ASSIGN_EL2A 1
	EL2A.
#define	MAX30009_DT_BIP_ASSIGN_EL2B 2
	EL2B.
BioZ negative-input (BIN) electrode assignment
Values for the bin-assign devicetree property.
#define	MAX30009_DT_BIN_ASSIGN_EL4 0
	EL4.
#define	MAX30009_DT_BIN_ASSIGN_EL3A 1
	EL3A.
#define	MAX30009_DT_BIN_ASSIGN_EL3B 2
	EL3B.
BioZ positive-drive (DRVP) electrode assignment
Values for the drvp-assign devicetree property.
#define	MAX30009_DT_DRVP_ASSIGN_EL1 0
	EL1 (low resistance).
#define	MAX30009_DT_DRVP_ASSIGN_EL2A 1
	EL2A.
#define	MAX30009_DT_DRVP_ASSIGN_EL2B 2
	EL2B.
BioZ negative-drive (DRVN) electrode assignment
Values for the drvn-assign devicetree property.
#define	MAX30009_DT_DRVN_ASSIGN_EL4 0
	EL4 (low resistance).
#define	MAX30009_DT_DRVN_ASSIGN_EL3A 1
	EL3A.
#define	MAX30009_DT_DRVN_ASSIGN_EL3B 2
	EL3B.
DC lead-off current polarity
Values for the loff-ipol devicetree property.
#define	MAX30009_DT_LOFF_IPOL_NON_INVERTED 0
	Non-inverted (BIP sources, BIN sinks).
#define	MAX30009_DT_LOFF_IPOL_INVERTED 1
	Inverted (BIP sinks, BIN sources).
DC lead-off current magnitude
Values for the loff-imag devicetree property.
#define	MAX30009_DT_LOFF_IMAG_0NA 0
	0 nA (sources disabled)
#define	MAX30009_DT_LOFF_IMAG_5NA 1
	5 nA
#define	MAX30009_DT_LOFF_IMAG_10NA 2
	10 nA
#define	MAX30009_DT_LOFF_IMAG_20NA 3
	20 nA
#define	MAX30009_DT_LOFF_IMAG_50NA 4
	50 nA
#define	MAX30009_DT_LOFF_IMAG_100NA 5
	100 nA
Lead-bias resistor value
Values for the rbias-value devicetree property.
#define	MAX30009_DT_RBIAS_50M 0
	50 MOhm
#define	MAX30009_DT_RBIAS_100M 1
	100 MOhm
#define	MAX30009_DT_RBIAS_200M 2
	200 MOhm

Detailed Description

Devicetree binding constants for the Analog Devices MAX30009 BioZ AFE.

Macros

Detailed Description