Gitiles
Code Review Sign In
gerrit-public.fairphone.software / kernel / msm-4.9 / ebdf8cc0009d535a79fb3ac34a2ee341886c7472 / . / drivers / thermal / ti-soc-thermal / omap4xxx-bandgap.h
blob: 6f2de3a3356d4bd803cf944364f6d43de9729a69 [file] [log] [blame]
Eduardo Valentin787f3c22013-03-15 08:59:51 -0400[diff] [blame]1/*
2 * OMAP4xxx bandgap registers, bitfields and temperature definitions
3 *
4 * Copyright (C) 2013 Texas Instruments Incorporated - http://www.ti.com/
5 * Contact:
6 * Eduardo Valentin <eduardo.valentin@ti.com>
7 *
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License
10 * version 2 as published by the Free Software Foundation.
11 *
12 * This program is distributed in the hope that it will be useful, but
13 * WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
20 * 02110-1301 USA
21 *
22 */
23#ifndef __OMAP4XXX_BANDGAP_H
24#define __OMAP4XXX_BANDGAP_H
25
26/**
27 * *** OMAP4430 ***
28 *
29 * Below, in sequence, are the Register definitions,
30 * the bitfields and the temperature definitions for OMAP4430.
31 */
32
33/**
34 * OMAP4430 register definitions
35 *
36 * Registers are defined as offsets. The offsets are
37 * relative to FUSE_OPP_BGAP on 4430.
38 */
39
40/* OMAP4430.FUSE_OPP_BGAP */
41#define OMAP4430_FUSE_OPP_BGAP 0x0
42
43/* OMAP4430.TEMP_SENSOR */
44#define OMAP4430_TEMP_SENSOR_CTRL_OFFSET 0xCC
45
46/**
47 * Register and bit definitions for OMAP4430
48 *
49 * All the macros bellow define the required bits for
50 * controlling temperature on OMAP4430. Bit defines are
51 * grouped by register.
52 */
53
54/* OMAP4430.TEMP_SENSOR bits */
55#define OMAP4430_BGAP_TEMPSOFF_MASK BIT(12)
56#define OMAP4430_BGAP_TSHUT_MASK BIT(11)
57#define OMAP4430_SINGLE_MODE_MASK BIT(10)
58#define OMAP4430_BGAP_TEMP_SENSOR_SOC_MASK BIT(9)
59#define OMAP4430_BGAP_TEMP_SENSOR_EOCZ_MASK BIT(8)
60#define OMAP4430_BGAP_TEMP_SENSOR_DTEMP_MASK (0xff << 0)
61
62/**
63 * Temperature limits and thresholds for OMAP4430
64 *
65 * All the macros bellow are definitions for handling the
66 * ADC conversions and representation of temperature limits
67 * and thresholds for OMAP4430.
68 */
69
70/* ADC conversion table limits */
71#define OMAP4430_ADC_START_VALUE 0
72#define OMAP4430_ADC_END_VALUE 127
73/* bandgap clock limits (no control on 4430) */
74#define OMAP4430_MAX_FREQ 32768
75#define OMAP4430_MIN_FREQ 32768
76/* sensor limits */
77#define OMAP4430_MIN_TEMP -40000
78#define OMAP4430_MAX_TEMP 125000
79#define OMAP4430_HYST_VAL 5000
80
81/**
82 * *** OMAP4460 *** Applicable for OMAP4470
83 *
84 * Below, in sequence, are the Register definitions,
85 * the bitfields and the temperature definitions for OMAP4460.
86 */
87
88/**
89 * OMAP4460 register definitions
90 *
91 * Registers are defined as offsets. The offsets are
92 * relative to FUSE_OPP_BGAP on 4460.
93 */
94
95/* OMAP4460.FUSE_OPP_BGAP */
96#define OMAP4460_FUSE_OPP_BGAP 0x0
97
98/* OMAP4460.TEMP_SENSOR */
99#define OMAP4460_TEMP_SENSOR_CTRL_OFFSET 0xCC
100
101/* OMAP4460.BANDGAP_CTRL */
102#define OMAP4460_BGAP_CTRL_OFFSET 0x118
103
104/* OMAP4460.BANDGAP_COUNTER */
105#define OMAP4460_BGAP_COUNTER_OFFSET 0x11C
106
107/* OMAP4460.BANDGAP_THRESHOLD */
108#define OMAP4460_BGAP_THRESHOLD_OFFSET 0x120
109
110/* OMAP4460.TSHUT_THRESHOLD */
111#define OMAP4460_BGAP_TSHUT_OFFSET 0x124
112
113/* OMAP4460.BANDGAP_STATUS */
114#define OMAP4460_BGAP_STATUS_OFFSET 0x128
115
116/**
117 * Register bitfields for OMAP4460
118 *
119 * All the macros bellow define the required bits for
120 * controlling temperature on OMAP4460. Bit defines are
121 * grouped by register.
122 */
123/* OMAP4460.TEMP_SENSOR bits */
124#define OMAP4460_BGAP_TEMPSOFF_MASK BIT(13)
125#define OMAP4460_BGAP_TEMP_SENSOR_SOC_MASK BIT(11)
126#define OMAP4460_BGAP_TEMP_SENSOR_EOCZ_MASK BIT(10)
127#define OMAP4460_BGAP_TEMP_SENSOR_DTEMP_MASK (0x3ff << 0)
128
129/* OMAP4460.BANDGAP_CTRL bits */
130#define OMAP4460_SINGLE_MODE_MASK BIT(31)
131#define OMAP4460_MASK_HOT_MASK BIT(1)
132#define OMAP4460_MASK_COLD_MASK BIT(0)
133
134/* OMAP4460.BANDGAP_COUNTER bits */
135#define OMAP4460_COUNTER_MASK (0xffffff << 0)
136
137/* OMAP4460.BANDGAP_THRESHOLD bits */
138#define OMAP4460_T_HOT_MASK (0x3ff << 16)
139#define OMAP4460_T_COLD_MASK (0x3ff << 0)
140
141/* OMAP4460.TSHUT_THRESHOLD bits */
142#define OMAP4460_TSHUT_HOT_MASK (0x3ff << 16)
143#define OMAP4460_TSHUT_COLD_MASK (0x3ff << 0)
144
145/* OMAP4460.BANDGAP_STATUS bits */
146#define OMAP4460_CLEAN_STOP_MASK BIT(3)
147#define OMAP4460_BGAP_ALERT_MASK BIT(2)
148#define OMAP4460_HOT_FLAG_MASK BIT(1)
149#define OMAP4460_COLD_FLAG_MASK BIT(0)
150
151/**
152 * Temperature limits and thresholds for OMAP4460
153 *
154 * All the macros bellow are definitions for handling the
155 * ADC conversions and representation of temperature limits
156 * and thresholds for OMAP4460.
157 */
158
159/* ADC conversion table limits */
160#define OMAP4460_ADC_START_VALUE 530
161#define OMAP4460_ADC_END_VALUE 932
162/* bandgap clock limits */
163#define OMAP4460_MAX_FREQ 1500000
164#define OMAP4460_MIN_FREQ 1000000
165/* sensor limits */
166#define OMAP4460_MIN_TEMP -40000
167#define OMAP4460_MAX_TEMP 123000
168#define OMAP4460_HYST_VAL 5000
169/* interrupts thresholds */
170#define OMAP4460_TSHUT_HOT 900 /* 122 deg C */
171#define OMAP4460_TSHUT_COLD 895 /* 100 deg C */
172#define OMAP4460_T_HOT 800 /* 73 deg C */
173#define OMAP4460_T_COLD 795 /* 71 deg C */
174
175#endif /* __OMAP4XXX_BANDGAP_H */