diff options
Diffstat (limited to 'drivers/thermal/ti-soc-thermal/omap5xxx-bandgap.h')
| -rw-r--r-- | drivers/thermal/ti-soc-thermal/omap5xxx-bandgap.h | 159 |
1 files changed, 159 insertions, 0 deletions
diff --git a/drivers/thermal/ti-soc-thermal/omap5xxx-bandgap.h b/drivers/thermal/ti-soc-thermal/omap5xxx-bandgap.h new file mode 100644 index 000000000..9096403b7 --- /dev/null +++ b/drivers/thermal/ti-soc-thermal/omap5xxx-bandgap.h @@ -0,0 +1,159 @@ +/* + * OMAP5xxx 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 __OMAP5XXX_BANDGAP_H +#define __OMAP5XXX_BANDGAP_H + +/** + * *** OMAP5430 *** + * + * Below, in sequence, are the Register definitions, + * the bitfields and the temperature definitions for OMAP5430. + */ + +/** + * OMAP5430 register definitions + * + * Registers are defined as offsets. The offsets are + * relative to FUSE_OPP_BGAP_GPU on 5430. + * + * Register below are grouped by domain (not necessarily in offset order) + */ + +/* OMAP5430.GPU register offsets */ +#define OMAP5430_FUSE_OPP_BGAP_GPU 0x0 +#define OMAP5430_TEMP_SENSOR_GPU_OFFSET 0x150 +#define OMAP5430_BGAP_THRESHOLD_GPU_OFFSET 0x1A8 +#define OMAP5430_BGAP_TSHUT_GPU_OFFSET 0x1B4 +#define OMAP5430_BGAP_DTEMP_GPU_1_OFFSET 0x1F8 +#define OMAP5430_BGAP_DTEMP_GPU_2_OFFSET 0x1FC + +/* OMAP5430.MPU register offsets */ +#define OMAP5430_FUSE_OPP_BGAP_MPU 0x4 +#define OMAP5430_TEMP_SENSOR_MPU_OFFSET 0x14C +#define OMAP5430_BGAP_THRESHOLD_MPU_OFFSET 0x1A4 +#define OMAP5430_BGAP_TSHUT_MPU_OFFSET 0x1B0 +#define OMAP5430_BGAP_DTEMP_MPU_1_OFFSET 0x1E4 +#define OMAP5430_BGAP_DTEMP_MPU_2_OFFSET 0x1E8 + +/* OMAP5430.MPU register offsets */ +#define OMAP5430_FUSE_OPP_BGAP_CORE 0x8 +#define OMAP5430_TEMP_SENSOR_CORE_OFFSET 0x154 +#define OMAP5430_BGAP_THRESHOLD_CORE_OFFSET 0x1AC +#define OMAP5430_BGAP_TSHUT_CORE_OFFSET 0x1B8 +#define OMAP5430_BGAP_DTEMP_CORE_1_OFFSET 0x20C +#define OMAP5430_BGAP_DTEMP_CORE_2_OFFSET 0x210 + +/* OMAP5430.common register offsets */ +#define OMAP5430_BGAP_CTRL_OFFSET 0x1A0 +#define OMAP5430_BGAP_STATUS_OFFSET 0x1C8 + +/** + * Register bitfields for OMAP5430 + * + * All the macros bellow define the required bits for + * controlling temperature on OMAP5430. Bit defines are + * grouped by register. + */ + +/* OMAP5430.TEMP_SENSOR */ +#define OMAP5430_BGAP_TEMP_SENSOR_SOC_MASK BIT(12) +#define OMAP5430_BGAP_TEMPSOFF_MASK BIT(11) +#define OMAP5430_BGAP_TEMP_SENSOR_EOCZ_MASK BIT(10) +#define OMAP5430_BGAP_TEMP_SENSOR_DTEMP_MASK (0x3ff << 0) + +/* OMAP5430.BANDGAP_CTRL */ +#define OMAP5430_MASK_COUNTER_DELAY_MASK (0x7 << 27) +#define OMAP5430_MASK_FREEZE_CORE_MASK BIT(23) +#define OMAP5430_MASK_FREEZE_GPU_MASK BIT(22) +#define OMAP5430_MASK_FREEZE_MPU_MASK BIT(21) +#define OMAP5430_MASK_HOT_CORE_MASK BIT(5) +#define OMAP5430_MASK_COLD_CORE_MASK BIT(4) +#define OMAP5430_MASK_HOT_GPU_MASK BIT(3) +#define OMAP5430_MASK_COLD_GPU_MASK BIT(2) +#define OMAP5430_MASK_HOT_MPU_MASK BIT(1) +#define OMAP5430_MASK_COLD_MPU_MASK BIT(0) + +/* OMAP5430.BANDGAP_COUNTER */ +#define OMAP5430_COUNTER_MASK (0xffffff << 0) + +/* OMAP5430.BANDGAP_THRESHOLD */ +#define OMAP5430_T_HOT_MASK (0x3ff << 16) +#define OMAP5430_T_COLD_MASK (0x3ff << 0) + +/* OMAP5430.TSHUT_THRESHOLD */ +#define OMAP5430_TSHUT_HOT_MASK (0x3ff << 16) +#define OMAP5430_TSHUT_COLD_MASK (0x3ff << 0) + +/* OMAP5430.BANDGAP_STATUS */ +#define OMAP5430_HOT_CORE_FLAG_MASK BIT(5) +#define OMAP5430_COLD_CORE_FLAG_MASK BIT(4) +#define OMAP5430_HOT_GPU_FLAG_MASK BIT(3) +#define OMAP5430_COLD_GPU_FLAG_MASK BIT(2) +#define OMAP5430_HOT_MPU_FLAG_MASK BIT(1) +#define OMAP5430_COLD_MPU_FLAG_MASK BIT(0) + +/** + * Temperature limits and thresholds for OMAP5430 + * + * All the macros bellow are definitions for handling the + * ADC conversions and representation of temperature limits + * and thresholds for OMAP5430. Definitions are grouped + * by temperature domain. + */ + +/* OMAP5430.common temperature definitions */ +/* ADC conversion table limits */ +#define OMAP5430_ADC_START_VALUE 540 +#define OMAP5430_ADC_END_VALUE 945 + +/* OMAP5430.GPU temperature definitions */ +/* bandgap clock limits */ +#define OMAP5430_GPU_MAX_FREQ 1500000 +#define OMAP5430_GPU_MIN_FREQ 1000000 +/* interrupts thresholds */ +#define OMAP5430_GPU_TSHUT_HOT 915 +#define OMAP5430_GPU_TSHUT_COLD 900 +#define OMAP5430_GPU_T_HOT 800 +#define OMAP5430_GPU_T_COLD 795 + +/* OMAP5430.MPU temperature definitions */ +/* bandgap clock limits */ +#define OMAP5430_MPU_MAX_FREQ 1500000 +#define OMAP5430_MPU_MIN_FREQ 1000000 +/* interrupts thresholds */ +#define OMAP5430_MPU_TSHUT_HOT 915 +#define OMAP5430_MPU_TSHUT_COLD 900 +#define OMAP5430_MPU_T_HOT 800 +#define OMAP5430_MPU_T_COLD 795 + +/* OMAP5430.CORE temperature definitions */ +/* bandgap clock limits */ +#define OMAP5430_CORE_MAX_FREQ 1500000 +#define OMAP5430_CORE_MIN_FREQ 1000000 +/* interrupts thresholds */ +#define OMAP5430_CORE_TSHUT_HOT 915 +#define OMAP5430_CORE_TSHUT_COLD 900 +#define OMAP5430_CORE_T_HOT 800 +#define OMAP5430_CORE_T_COLD 795 + +#endif /* __OMAP5XXX_BANDGAP_H */ |