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c13636babc
When we set bit 10 high we use continuous mode and not single mode. Let's correct this to avoid confusion. No functional changes here, the code does the right thing with bit 10. Cc: Adam Ford <aford173@gmail.com> Cc: Carl Philipp Klemm <philipp@uvos.xyz> Cc: Eduardo Valentin <edubezval@gmail.com> Cc: H. Nikolaus Schaller <hns@goldelico.com> Cc: Merlijn Wajer <merlijn@wizzup.org> Cc: Pavel Machek <pavel@ucw.cz> Cc: Peter Ujfalusi <peter.ujfalusi@gmail.com> Cc: Sebastian Reichel <sre@kernel.org> Signed-off-by: Tony Lindgren <tony@atomide.com> Tested-by: Adam Ford <aford173@gmail.com> #logicpd-torpedo-37xx-devkit Acked-by: Pavel Machek <pavel@ucw.cz> Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org> Link: https://lore.kernel.org/r/20210205134534.49200-5-tony@atomide.com
156 lines
4.3 KiB
C
156 lines
4.3 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* OMAP4xxx bandgap registers, bitfields and temperature definitions
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*
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* Copyright (C) 2013 Texas Instruments Incorporated - http://www.ti.com/
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* Contact:
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* Eduardo Valentin <eduardo.valentin@ti.com>
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*/
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#ifndef __OMAP4XXX_BANDGAP_H
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#define __OMAP4XXX_BANDGAP_H
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/**
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* *** OMAP4430 ***
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*
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* Below, in sequence, are the Register definitions,
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* the bitfields and the temperature definitions for OMAP4430.
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*/
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/**
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* OMAP4430 register definitions
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*
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* Registers are defined as offsets. The offsets are
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* relative to FUSE_OPP_BGAP on 4430.
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*/
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/* OMAP4430.FUSE_OPP_BGAP */
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#define OMAP4430_FUSE_OPP_BGAP 0x0
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/* OMAP4430.TEMP_SENSOR */
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#define OMAP4430_TEMP_SENSOR_CTRL_OFFSET 0xCC
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/**
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* Register and bit definitions for OMAP4430
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*
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* All the macros bellow define the required bits for
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* controlling temperature on OMAP4430. Bit defines are
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* grouped by register.
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*/
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/* OMAP4430.TEMP_SENSOR bits */
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#define OMAP4430_BGAP_TEMPSOFF_MASK BIT(12)
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#define OMAP4430_BGAP_TSHUT_MASK BIT(11)
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#define OMAP4430_CONTINUOUS_MODE_MASK BIT(10)
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#define OMAP4430_BGAP_TEMP_SENSOR_SOC_MASK BIT(9)
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#define OMAP4430_BGAP_TEMP_SENSOR_EOCZ_MASK BIT(8)
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#define OMAP4430_BGAP_TEMP_SENSOR_DTEMP_MASK (0xff << 0)
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/**
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* Temperature limits and thresholds for OMAP4430
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*
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* All the macros bellow are definitions for handling the
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* ADC conversions and representation of temperature limits
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* and thresholds for OMAP4430.
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*/
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/*
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* ADC conversion table limits. Ignore values outside the TRM listed
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* range to avoid bogus thermal shutdowns. See omap4430 TRM chapter
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* "18.4.10.2.3 ADC Codes Versus Temperature".
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*/
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#define OMAP4430_ADC_START_VALUE 13
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#define OMAP4430_ADC_END_VALUE 107
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/* bandgap clock limits (no control on 4430) */
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#define OMAP4430_MAX_FREQ 32768
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#define OMAP4430_MIN_FREQ 32768
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/**
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* *** OMAP4460 *** Applicable for OMAP4470
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*
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* Below, in sequence, are the Register definitions,
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* the bitfields and the temperature definitions for OMAP4460.
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*/
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/**
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* OMAP4460 register definitions
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*
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* Registers are defined as offsets. The offsets are
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* relative to FUSE_OPP_BGAP on 4460.
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*/
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/* OMAP4460.FUSE_OPP_BGAP */
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#define OMAP4460_FUSE_OPP_BGAP 0x0
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/* OMAP4460.TEMP_SENSOR */
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#define OMAP4460_TEMP_SENSOR_CTRL_OFFSET 0xCC
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/* OMAP4460.BANDGAP_CTRL */
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#define OMAP4460_BGAP_CTRL_OFFSET 0x118
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/* OMAP4460.BANDGAP_COUNTER */
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#define OMAP4460_BGAP_COUNTER_OFFSET 0x11C
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/* OMAP4460.BANDGAP_THRESHOLD */
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#define OMAP4460_BGAP_THRESHOLD_OFFSET 0x120
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/* OMAP4460.TSHUT_THRESHOLD */
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#define OMAP4460_BGAP_TSHUT_OFFSET 0x124
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/* OMAP4460.BANDGAP_STATUS */
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#define OMAP4460_BGAP_STATUS_OFFSET 0x128
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/**
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* Register bitfields for OMAP4460
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*
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* All the macros bellow define the required bits for
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* controlling temperature on OMAP4460. Bit defines are
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* grouped by register.
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*/
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/* OMAP4460.TEMP_SENSOR bits */
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#define OMAP4460_BGAP_TEMPSOFF_MASK BIT(13)
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#define OMAP4460_BGAP_TEMP_SENSOR_SOC_MASK BIT(11)
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#define OMAP4460_BGAP_TEMP_SENSOR_EOCZ_MASK BIT(10)
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#define OMAP4460_BGAP_TEMP_SENSOR_DTEMP_MASK (0x3ff << 0)
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/* OMAP4460.BANDGAP_CTRL bits */
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#define OMAP4460_CONTINUOUS_MODE_MASK BIT(31)
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#define OMAP4460_MASK_HOT_MASK BIT(1)
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#define OMAP4460_MASK_COLD_MASK BIT(0)
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/* OMAP4460.BANDGAP_COUNTER bits */
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#define OMAP4460_COUNTER_MASK (0xffffff << 0)
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/* OMAP4460.BANDGAP_THRESHOLD bits */
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#define OMAP4460_T_HOT_MASK (0x3ff << 16)
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#define OMAP4460_T_COLD_MASK (0x3ff << 0)
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/* OMAP4460.TSHUT_THRESHOLD bits */
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#define OMAP4460_TSHUT_HOT_MASK (0x3ff << 16)
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#define OMAP4460_TSHUT_COLD_MASK (0x3ff << 0)
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/* OMAP4460.BANDGAP_STATUS bits */
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#define OMAP4460_HOT_FLAG_MASK BIT(1)
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#define OMAP4460_COLD_FLAG_MASK BIT(0)
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/**
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* Temperature limits and thresholds for OMAP4460
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*
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* All the macros bellow are definitions for handling the
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* ADC conversions and representation of temperature limits
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* and thresholds for OMAP4460.
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*/
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/* ADC conversion table limits */
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#define OMAP4460_ADC_START_VALUE 530
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#define OMAP4460_ADC_END_VALUE 932
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/* bandgap clock limits */
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#define OMAP4460_MAX_FREQ 1500000
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#define OMAP4460_MIN_FREQ 1000000
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/* interrupts thresholds */
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#define OMAP4460_TSHUT_HOT 900 /* 122 deg C */
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#define OMAP4460_TSHUT_COLD 895 /* 100 deg C */
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#define OMAP4460_T_HOT 800 /* 73 deg C */
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#define OMAP4460_T_COLD 795 /* 71 deg C */
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#endif /* __OMAP4XXX_BANDGAP_H */
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