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1/* SPDX-License-Identifier: GPL-2.0-only */2/*3 * OMAP4xxx bandgap registers, bitfields and temperature definitions4 *5 * Copyright (C) 2013 Texas Instruments Incorporated - http://www.ti.com/6 * Contact:7 *   Eduardo Valentin <eduardo.valentin@ti.com>8 */9#ifndef __OMAP4XXX_BANDGAP_H10#define __OMAP4XXX_BANDGAP_H11 12/**13 * *** OMAP4430 ***14 *15 * Below, in sequence, are the Register definitions,16 * the bitfields and the temperature definitions for OMAP4430.17 */18 19/**20 * OMAP4430 register definitions21 *22 * Registers are defined as offsets. The offsets are23 * relative to FUSE_OPP_BGAP on 4430.24 */25 26/* OMAP4430.FUSE_OPP_BGAP */27#define OMAP4430_FUSE_OPP_BGAP				0x028 29/* OMAP4430.TEMP_SENSOR  */30#define OMAP4430_TEMP_SENSOR_CTRL_OFFSET		0xCC31 32/**33 * Register and bit definitions for OMAP443034 *35 * All the macros bellow define the required bits for36 * controlling temperature on OMAP4430. Bit defines are37 * grouped by register.38 */39 40/* OMAP4430.TEMP_SENSOR bits */41#define OMAP4430_BGAP_TEMPSOFF_MASK			BIT(12)42#define OMAP4430_BGAP_TSHUT_MASK			BIT(11)43#define OMAP4430_CONTINUOUS_MODE_MASK			BIT(10)44#define OMAP4430_BGAP_TEMP_SENSOR_SOC_MASK		BIT(9)45#define OMAP4430_BGAP_TEMP_SENSOR_EOCZ_MASK		BIT(8)46#define OMAP4430_BGAP_TEMP_SENSOR_DTEMP_MASK		(0xff << 0)47 48/**49 * Temperature limits and thresholds for OMAP443050 *51 * All the macros bellow are definitions for handling the52 * ADC conversions and representation of temperature limits53 * and thresholds for OMAP4430.54 */55 56/*57 * ADC conversion table limits. Ignore values outside the TRM listed58 * range to avoid bogus thermal shutdowns. See omap4430 TRM chapter59 * "18.4.10.2.3 ADC Codes Versus Temperature".60 */61#define OMAP4430_ADC_START_VALUE			1362#define OMAP4430_ADC_END_VALUE				10763/* bandgap clock limits (no control on 4430) */64#define OMAP4430_MAX_FREQ				3276865#define OMAP4430_MIN_FREQ				3276866 67/**68 * *** OMAP4460 *** Applicable for OMAP447069 *70 * Below, in sequence, are the Register definitions,71 * the bitfields and the temperature definitions for OMAP4460.72 */73 74/**75 * OMAP4460 register definitions76 *77 * Registers are defined as offsets. The offsets are78 * relative to FUSE_OPP_BGAP on 4460.79 */80 81/* OMAP4460.FUSE_OPP_BGAP */82#define OMAP4460_FUSE_OPP_BGAP				0x083 84/* OMAP4460.TEMP_SENSOR */85#define OMAP4460_TEMP_SENSOR_CTRL_OFFSET		0xCC86 87/* OMAP4460.BANDGAP_CTRL */88#define OMAP4460_BGAP_CTRL_OFFSET			0x11889 90/* OMAP4460.BANDGAP_COUNTER */91#define OMAP4460_BGAP_COUNTER_OFFSET			0x11C92 93/* OMAP4460.BANDGAP_THRESHOLD */94#define OMAP4460_BGAP_THRESHOLD_OFFSET			0x12095 96/* OMAP4460.TSHUT_THRESHOLD */97#define OMAP4460_BGAP_TSHUT_OFFSET			0x12498 99/* OMAP4460.BANDGAP_STATUS */100#define OMAP4460_BGAP_STATUS_OFFSET			0x128101 102/**103 * Register bitfields for OMAP4460104 *105 * All the macros bellow define the required bits for106 * controlling temperature on OMAP4460. Bit defines are107 * grouped by register.108 */109/* OMAP4460.TEMP_SENSOR bits */110#define OMAP4460_BGAP_TEMPSOFF_MASK			BIT(13)111#define OMAP4460_BGAP_TEMP_SENSOR_SOC_MASK		BIT(11)112#define OMAP4460_BGAP_TEMP_SENSOR_EOCZ_MASK		BIT(10)113#define OMAP4460_BGAP_TEMP_SENSOR_DTEMP_MASK		(0x3ff << 0)114 115/* OMAP4460.BANDGAP_CTRL bits */116#define OMAP4460_CONTINUOUS_MODE_MASK			BIT(31)117#define OMAP4460_MASK_HOT_MASK				BIT(1)118#define OMAP4460_MASK_COLD_MASK				BIT(0)119 120/* OMAP4460.BANDGAP_COUNTER bits */121#define OMAP4460_COUNTER_MASK				(0xffffff << 0)122 123/* OMAP4460.BANDGAP_THRESHOLD bits */124#define OMAP4460_T_HOT_MASK				(0x3ff << 16)125#define OMAP4460_T_COLD_MASK				(0x3ff << 0)126 127/* OMAP4460.TSHUT_THRESHOLD bits */128#define OMAP4460_TSHUT_HOT_MASK				(0x3ff << 16)129#define OMAP4460_TSHUT_COLD_MASK			(0x3ff << 0)130 131/* OMAP4460.BANDGAP_STATUS bits */132#define OMAP4460_HOT_FLAG_MASK				BIT(1)133#define OMAP4460_COLD_FLAG_MASK				BIT(0)134 135/**136 * Temperature limits and thresholds for OMAP4460137 *138 * All the macros bellow are definitions for handling the139 * ADC conversions and representation of temperature limits140 * and thresholds for OMAP4460.141 */142 143/* ADC conversion table limits */144#define OMAP4460_ADC_START_VALUE			530145#define OMAP4460_ADC_END_VALUE				932146/* bandgap clock limits */147#define OMAP4460_MAX_FREQ				1500000148#define OMAP4460_MIN_FREQ				1000000149/* interrupts thresholds */150#define OMAP4460_TSHUT_HOT				900	/* 122 deg C */151#define OMAP4460_TSHUT_COLD				895	/* 100 deg C */152#define OMAP4460_T_HOT					800	/* 73 deg C */153#define OMAP4460_T_COLD					795	/* 71 deg C */154 155#endif /* __OMAP4XXX_BANDGAP_H */156