linux_dsm_epyc7002/include/dt-bindings/mfd/max77620.h
Laxman Dewangan e5e3dea890 mfd: Add device-tree binding doc for PMIC MAX77620/MAX20024
The MAXIM PMIC MAX77620 and MAX20024 are power management IC
which supports RTC, GPIO, DCDC/LDO regulators, interrupt,
watchdog etc.

Add DT binding document for the different functionality of
this device.

Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2016-05-09 15:42:08 +01:00

40 lines
1.3 KiB
C

/*
* This header provides macros for MAXIM MAX77620 device bindings.
*
* Copyright (c) 2016, NVIDIA Corporation.
* Author: Laxman Dewangan <ldewangan@nvidia.com>
*/
#ifndef _DT_BINDINGS_MFD_MAX77620_H
#define _DT_BINDINGS_MFD_MAX77620_H
/* MAX77620 interrupts */
#define MAX77620_IRQ_TOP_GLBL 0 /* Low-Battery */
#define MAX77620_IRQ_TOP_SD 1 /* SD power fail */
#define MAX77620_IRQ_TOP_LDO 2 /* LDO power fail */
#define MAX77620_IRQ_TOP_GPIO 3 /* GPIO internal int to MAX77620 */
#define MAX77620_IRQ_TOP_RTC 4 /* RTC */
#define MAX77620_IRQ_TOP_32K 5 /* 32kHz oscillator */
#define MAX77620_IRQ_TOP_ONOFF 6 /* ON/OFF oscillator */
#define MAX77620_IRQ_LBT_MBATLOW 7 /* Thermal alarm status, > 120C */
#define MAX77620_IRQ_LBT_TJALRM1 8 /* Thermal alarm status, > 120C */
#define MAX77620_IRQ_LBT_TJALRM2 9 /* Thermal alarm status, > 140C */
/* FPS event source */
#define MAX77620_FPS_EVENT_SRC_EN0 0
#define MAX77620_FPS_EVENT_SRC_EN1 1
#define MAX77620_FPS_EVENT_SRC_SW 2
/* Device state when FPS event LOW */
#define MAX77620_FPS_INACTIVE_STATE_SLEEP 0
#define MAX77620_FPS_INACTIVE_STATE_LOW_POWER 1
/* FPS source */
#define MAX77620_FPS_SRC_0 0
#define MAX77620_FPS_SRC_1 1
#define MAX77620_FPS_SRC_2 2
#define MAX77620_FPS_SRC_NONE 3
#define MAX77620_FPS_SRC_DEF 4
#endif