linux-imx

// SPDX-License-Identifier: GPL-2.0

//

// Copyright 2013 Freescale Semiconductor, Inc.

​

#include <linux/clk.h>

#include <linux/cpu.h>

#include <linux/cpufreq.h>

#include <linux/cpu_cooling.h>

#include <linux/delay.h>

#include <linux/device.h>

#include <linux/init.h>

#include <linux/interrupt.h>

#include <linux/io.h>

#include <linux/kernel.h>

#include <linux/mfd/syscon.h>

#include <linux/module.h>

#include <linux/of.h>

#include <linux/of_device.h>

#include <linux/platform_device.h>

#include <linux/regmap.h>

#include <linux/slab.h>

#include <linux/thermal.h>

#include <linux/types.h>

#include <linux/nvmem-consumer.h>

​

#define REG_SET     0x4

#define REG_CLR     0x8

#define REG_TOG     0xc

​

/* i.MX6 specific */

#define IMX6_MISC0              0x0150

#define IMX6_MISC0_REFTOP_SELBIASOFF        (1 << 3)

#define IMX6_MISC1              0x0160

#define IMX6_MISC1_IRQ_TEMPHIGH         (1 << 29)

/* Below LOW and PANIC bits are only for TEMPMON_IMX6SX */

#define IMX6_MISC1_IRQ_TEMPLOW          (1 << 28)

#define IMX6_MISC1_IRQ_TEMPPANIC        (1 << 27)

​

#define IMX6_TEMPSENSE0             0x0180

#define IMX6_TEMPSENSE0_ALARM_VALUE_SHIFT   20

#define IMX6_TEMPSENSE0_ALARM_VALUE_MASK    (0xfff << 20)

#define IMX6_TEMPSENSE0_TEMP_CNT_SHIFT      8

#define IMX6_TEMPSENSE0_TEMP_CNT_MASK       (0xfff << 8)

#define IMX6_TEMPSENSE0_FINISHED        (1 << 2)

#define IMX6_TEMPSENSE0_MEASURE_TEMP        (1 << 1)

#define IMX6_TEMPSENSE0_POWER_DOWN      (1 << 0)

​

#define IMX6_TEMPSENSE1             0x0190

#define IMX6_TEMPSENSE1_MEASURE_FREQ        0xffff

#define IMX6_TEMPSENSE1_MEASURE_FREQ_SHIFT  0

​

#define OCOTP_MEM0          0x0480

#define OCOTP_ANA1          0x04e0

​

/* Below TEMPSENSE2 is only for TEMPMON_IMX6SX */

#define IMX6_TEMPSENSE2             0x0290

#define IMX6_TEMPSENSE2_LOW_VALUE_SHIFT     0

#define IMX6_TEMPSENSE2_LOW_VALUE_MASK      0xfff

#define IMX6_TEMPSENSE2_PANIC_VALUE_SHIFT   16

#define IMX6_TEMPSENSE2_PANIC_VALUE_MASK    0xfff0000

​

/* i.MX7 specific */

#define IMX7_ANADIG_DIGPROG         0x800

#define IMX7_TEMPSENSE0             0x300

#define IMX7_TEMPSENSE0_PANIC_ALARM_SHIFT   18

#define IMX7_TEMPSENSE0_PANIC_ALARM_MASK    (0x1ff << 18)

#define IMX7_TEMPSENSE0_HIGH_ALARM_SHIFT    9

#define IMX7_TEMPSENSE0_HIGH_ALARM_MASK     (0x1ff << 9)

#define IMX7_TEMPSENSE0_LOW_ALARM_SHIFT     0

#define IMX7_TEMPSENSE0_LOW_ALARM_MASK      0x1ff

​

#define IMX7_TEMPSENSE1             0x310

#define IMX7_TEMPSENSE1_MEASURE_FREQ_SHIFT  16

#define IMX7_TEMPSENSE1_MEASURE_FREQ_MASK   (0xffff << 16)

#define IMX7_TEMPSENSE1_FINISHED        (1 << 11)

#define IMX7_TEMPSENSE1_MEASURE_TEMP        (1 << 10)

#define IMX7_TEMPSENSE1_POWER_DOWN      (1 << 9)

#define IMX7_TEMPSENSE1_TEMP_VALUE_SHIFT    0

#define IMX7_TEMPSENSE1_TEMP_VALUE_MASK     0x1ff

​

/* The driver supports 1 passive trip point and 1 critical trip point */

enum imx_thermal_trip {

    IMX_TRIP_PASSIVE,

    IMX_TRIP_CRITICAL,

    IMX_TRIP_NUM,

};

​

#define IMX_POLLING_DELAY       2000 /* millisecond */

#define IMX_PASSIVE_DELAY       1000

​

#define TEMPMON_IMX6Q           1

#define TEMPMON_IMX6SX          2