| /* SPDX-License-Identifier: GPL-2.0-only */ |
| /* |
| * OMAP4xxx bandgap registers, bitfields and temperature definitions |
| * |
| * Copyright (C) 2013 Texas Instruments Incorporated - http://www.ti.com/ |
| * Contact: |
| * Eduardo Valentin <eduardo.valentin@ti.com> |
| */ |
| #ifndef __OMAP4XXX_BANDGAP_H |
| #define __OMAP4XXX_BANDGAP_H |
| |
| /** |
| * *** OMAP4430 *** |
| * |
| * Below, in sequence, are the Register definitions, |
| * the bitfields and the temperature definitions for OMAP4430. |
| */ |
| |
| /** |
| * OMAP4430 register definitions |
| * |
| * Registers are defined as offsets. The offsets are |
| * relative to FUSE_OPP_BGAP on 4430. |
| */ |
| |
| /* OMAP4430.FUSE_OPP_BGAP */ |
| #define OMAP4430_FUSE_OPP_BGAP 0x0 |
| |
| /* OMAP4430.TEMP_SENSOR */ |
| #define OMAP4430_TEMP_SENSOR_CTRL_OFFSET 0xCC |
| |
| /** |
| * Register and bit definitions for OMAP4430 |
| * |
| * All the macros bellow define the required bits for |
| * controlling temperature on OMAP4430. Bit defines are |
| * grouped by register. |
| */ |
| |
| /* OMAP4430.TEMP_SENSOR bits */ |
| #define OMAP4430_BGAP_TEMPSOFF_MASK BIT(12) |
| #define OMAP4430_BGAP_TSHUT_MASK BIT(11) |
| #define OMAP4430_SINGLE_MODE_MASK BIT(10) |
| #define OMAP4430_BGAP_TEMP_SENSOR_SOC_MASK BIT(9) |
| #define OMAP4430_BGAP_TEMP_SENSOR_EOCZ_MASK BIT(8) |
| #define OMAP4430_BGAP_TEMP_SENSOR_DTEMP_MASK (0xff << 0) |
| |
| /** |
| * Temperature limits and thresholds for OMAP4430 |
| * |
| * All the macros bellow are definitions for handling the |
| * ADC conversions and representation of temperature limits |
| * and thresholds for OMAP4430. |
| */ |
| |
| /* |
| * ADC conversion table limits. Ignore values outside the TRM listed |
| * range to avoid bogus thermal shutdowns. See omap4430 TRM chapter |
| * "18.4.10.2.3 ADC Codes Versus Temperature". |
| */ |
| #define OMAP4430_ADC_START_VALUE 13 |
| #define OMAP4430_ADC_END_VALUE 107 |
| /* bandgap clock limits (no control on 4430) */ |
| #define OMAP4430_MAX_FREQ 32768 |
| #define OMAP4430_MIN_FREQ 32768 |
| |
| /** |
| * *** OMAP4460 *** Applicable for OMAP4470 |
| * |
| * Below, in sequence, are the Register definitions, |
| * the bitfields and the temperature definitions for OMAP4460. |
| */ |
| |
| /** |
| * OMAP4460 register definitions |
| * |
| * Registers are defined as offsets. The offsets are |
| * relative to FUSE_OPP_BGAP on 4460. |
| */ |
| |
| /* OMAP4460.FUSE_OPP_BGAP */ |
| #define OMAP4460_FUSE_OPP_BGAP 0x0 |
| |
| /* OMAP4460.TEMP_SENSOR */ |
| #define OMAP4460_TEMP_SENSOR_CTRL_OFFSET 0xCC |
| |
| /* OMAP4460.BANDGAP_CTRL */ |
| #define OMAP4460_BGAP_CTRL_OFFSET 0x118 |
| |
| /* OMAP4460.BANDGAP_COUNTER */ |
| #define OMAP4460_BGAP_COUNTER_OFFSET 0x11C |
| |
| /* OMAP4460.BANDGAP_THRESHOLD */ |
| #define OMAP4460_BGAP_THRESHOLD_OFFSET 0x120 |
| |
| /* OMAP4460.TSHUT_THRESHOLD */ |
| #define OMAP4460_BGAP_TSHUT_OFFSET 0x124 |
| |
| /* OMAP4460.BANDGAP_STATUS */ |
| #define OMAP4460_BGAP_STATUS_OFFSET 0x128 |
| |
| /** |
| * Register bitfields for OMAP4460 |
| * |
| * All the macros bellow define the required bits for |
| * controlling temperature on OMAP4460. Bit defines are |
| * grouped by register. |
| */ |
| /* OMAP4460.TEMP_SENSOR bits */ |
| #define OMAP4460_BGAP_TEMPSOFF_MASK BIT(13) |
| #define OMAP4460_BGAP_TEMP_SENSOR_SOC_MASK BIT(11) |
| #define OMAP4460_BGAP_TEMP_SENSOR_EOCZ_MASK BIT(10) |
| #define OMAP4460_BGAP_TEMP_SENSOR_DTEMP_MASK (0x3ff << 0) |
| |
| /* OMAP4460.BANDGAP_CTRL bits */ |
| #define OMAP4460_SINGLE_MODE_MASK BIT(31) |
| #define OMAP4460_MASK_HOT_MASK BIT(1) |
| #define OMAP4460_MASK_COLD_MASK BIT(0) |
| |
| /* OMAP4460.BANDGAP_COUNTER bits */ |
| #define OMAP4460_COUNTER_MASK (0xffffff << 0) |
| |
| /* OMAP4460.BANDGAP_THRESHOLD bits */ |
| #define OMAP4460_T_HOT_MASK (0x3ff << 16) |
| #define OMAP4460_T_COLD_MASK (0x3ff << 0) |
| |
| /* OMAP4460.TSHUT_THRESHOLD bits */ |
| #define OMAP4460_TSHUT_HOT_MASK (0x3ff << 16) |
| #define OMAP4460_TSHUT_COLD_MASK (0x3ff << 0) |
| |
| /* OMAP4460.BANDGAP_STATUS bits */ |
| #define OMAP4460_HOT_FLAG_MASK BIT(1) |
| #define OMAP4460_COLD_FLAG_MASK BIT(0) |
| |
| /** |
| * Temperature limits and thresholds for OMAP4460 |
| * |
| * All the macros bellow are definitions for handling the |
| * ADC conversions and representation of temperature limits |
| * and thresholds for OMAP4460. |
| */ |
| |
| /* ADC conversion table limits */ |
| #define OMAP4460_ADC_START_VALUE 530 |
| #define OMAP4460_ADC_END_VALUE 932 |
| /* bandgap clock limits */ |
| #define OMAP4460_MAX_FREQ 1500000 |
| #define OMAP4460_MIN_FREQ 1000000 |
| /* interrupts thresholds */ |
| #define OMAP4460_TSHUT_HOT 900 /* 122 deg C */ |
| #define OMAP4460_TSHUT_COLD 895 /* 100 deg C */ |
| #define OMAP4460_T_HOT 800 /* 73 deg C */ |
| #define OMAP4460_T_COLD 795 /* 71 deg C */ |
| |
| #endif /* __OMAP4XXX_BANDGAP_H */ |
