it8xxx2_vcmp.h File Reference

Devicetree binding constants for the ITE IT8xxx2 voltage comparator. More...

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Macros
Voltage comparator channels
Values for the vcmp-ch devicetree property.
#define	VCMP_CHANNEL_0   0
	Channel 0.
#define	VCMP_CHANNEL_1   1
	Channel 1.
#define	VCMP_CHANNEL_2   2
	Channel 2.
#define	VCMP_CHANNEL_3   3
	Channel 3.
#define	VCMP_CHANNEL_4   4
	Channel 4.
#define	VCMP_CHANNEL_5   5
	Channel 5.
#define	VCMP_CHANNEL_CNT   6
	Number of channels.
Scan period across all channels
Values for the scan-period devicetree property.
#define	IT8XXX2_VCMP_SCAN_PERIOD_100US   0x10
	100 µs
#define	IT8XXX2_VCMP_SCAN_PERIOD_200US   0x20
	200 µs
#define	IT8XXX2_VCMP_SCAN_PERIOD_400US   0x30
	400 µs
#define	IT8XXX2_VCMP_SCAN_PERIOD_600US   0x40
	600 µs
#define	IT8XXX2_VCMP_SCAN_PERIOD_800US   0x50
	800 µs
#define	IT8XXX2_VCMP_SCAN_PERIOD_1MS   0x60
	1 ms
#define	IT8XXX2_VCMP_SCAN_PERIOD_1_5MS   0x70
	1.5 ms
#define	IT8XXX2_VCMP_SCAN_PERIOD_2MS   0x80
	2 ms
#define	IT8XXX2_VCMP_SCAN_PERIOD_2_5MS   0x90
	2.5 ms
#define	IT8XXX2_VCMP_SCAN_PERIOD_3MS   0xa0
	3 ms
#define	IT8XXX2_VCMP_SCAN_PERIOD_4MS   0xb0
	4 ms
#define	IT8XXX2_VCMP_SCAN_PERIOD_5MS   0xc0
	5 ms
Interrupt trigger mode
Values for the comparison devicetree property.
#define	IT8XXX2_VCMP_LESS_OR_EQUAL   0
	Trigger when ≤ threshold.
#define	IT8XXX2_VCMP_GREATER   1
	Trigger when > threshold.
#define	IT8XXX2_VCMP_UNDEFINED   0xffff
	Undefined / unused.

Detailed Description

Devicetree binding constants for the ITE IT8xxx2 voltage comparator.