diff options
Diffstat (limited to 'drivers/thermal/ti-soc-thermal/omap4xxx-bandgap.h')
| -rw-r--r-- | drivers/thermal/ti-soc-thermal/omap4xxx-bandgap.h | 48 |
1 files changed, 14 insertions, 34 deletions
diff --git a/drivers/thermal/ti-soc-thermal/omap4xxx-bandgap.h b/drivers/thermal/ti-soc-thermal/omap4xxx-bandgap.h index 6f2de3a3356d..3963f1badfc9 100644 --- a/drivers/thermal/ti-soc-thermal/omap4xxx-bandgap.h +++ b/drivers/thermal/ti-soc-thermal/omap4xxx-bandgap.h @@ -1,24 +1,10 @@ +/* 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> - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * version 2 as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA - * 02110-1301 USA - * */ #ifndef __OMAP4XXX_BANDGAP_H #define __OMAP4XXX_BANDGAP_H @@ -46,7 +32,7 @@ /** * Register and bit definitions for OMAP4430 * - * All the macros bellow define the required bits for + * All the macros below define the required bits for * controlling temperature on OMAP4430. Bit defines are * grouped by register. */ @@ -54,7 +40,7 @@ /* 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_CONTINUOUS_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) @@ -62,21 +48,21 @@ /** * Temperature limits and thresholds for OMAP4430 * - * All the macros bellow are definitions for handling the + * All the macros below are definitions for handling the * ADC conversions and representation of temperature limits * and thresholds for OMAP4430. */ -/* ADC conversion table limits */ -#define OMAP4430_ADC_START_VALUE 0 -#define OMAP4430_ADC_END_VALUE 127 +/* + * 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 -/* sensor limits */ -#define OMAP4430_MIN_TEMP -40000 -#define OMAP4430_MAX_TEMP 125000 -#define OMAP4430_HYST_VAL 5000 /** * *** OMAP4460 *** Applicable for OMAP4470 @@ -116,7 +102,7 @@ /** * Register bitfields for OMAP4460 * - * All the macros bellow define the required bits for + * All the macros below define the required bits for * controlling temperature on OMAP4460. Bit defines are * grouped by register. */ @@ -127,7 +113,7 @@ #define OMAP4460_BGAP_TEMP_SENSOR_DTEMP_MASK (0x3ff << 0) /* OMAP4460.BANDGAP_CTRL bits */ -#define OMAP4460_SINGLE_MODE_MASK BIT(31) +#define OMAP4460_CONTINUOUS_MODE_MASK BIT(31) #define OMAP4460_MASK_HOT_MASK BIT(1) #define OMAP4460_MASK_COLD_MASK BIT(0) @@ -143,15 +129,13 @@ #define OMAP4460_TSHUT_COLD_MASK (0x3ff << 0) /* OMAP4460.BANDGAP_STATUS bits */ -#define OMAP4460_CLEAN_STOP_MASK BIT(3) -#define OMAP4460_BGAP_ALERT_MASK BIT(2) #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 + * All the macros below are definitions for handling the * ADC conversions and representation of temperature limits * and thresholds for OMAP4460. */ @@ -162,10 +146,6 @@ /* bandgap clock limits */ #define OMAP4460_MAX_FREQ 1500000 #define OMAP4460_MIN_FREQ 1000000 -/* sensor limits */ -#define OMAP4460_MIN_TEMP -40000 -#define OMAP4460_MAX_TEMP 123000 -#define OMAP4460_HYST_VAL 5000 /* interrupts thresholds */ #define OMAP4460_TSHUT_HOT 900 /* 122 deg C */ #define OMAP4460_TSHUT_COLD 895 /* 100 deg C */ |