linux-imx

// SPDX-License-Identifier: GPL-2.0

/*

 *  R-Car Gen3 THS thermal sensor driver

 *  Based on rcar_thermal.c and work from Hien Dang and Khiem Nguyen.

 *

 * Copyright (C) 2016 Renesas Electronics Corporation.

 * Copyright (C) 2016 Sang Engineering

 */

#include <linux/delay.h>

#include <linux/err.h>

#include <linux/interrupt.h>

#include <linux/io.h>

#include <linux/module.h>

#include <linux/of_device.h>

#include <linux/platform_device.h>

#include <linux/pm_runtime.h>

#include <linux/spinlock.h>

#include <linux/sys_soc.h>

#include <linux/thermal.h>

​

#include "thermal_core.h"

#include "thermal_hwmon.h"

​

/* Register offsets */

#define REG_GEN3_IRQSTR     0x04

#define REG_GEN3_IRQMSK     0x08

#define REG_GEN3_IRQCTL     0x0C

#define REG_GEN3_IRQEN      0x10

#define REG_GEN3_IRQTEMP1   0x14

#define REG_GEN3_IRQTEMP2   0x18

#define REG_GEN3_IRQTEMP3   0x1C

#define REG_GEN3_CTSR       0x20

#define REG_GEN3_THCTR      0x20

#define REG_GEN3_TEMP       0x28

#define REG_GEN3_THCODE1    0x50

#define REG_GEN3_THCODE2    0x54

#define REG_GEN3_THCODE3    0x58

​

/* IRQ{STR,MSK,EN} bits */

#define IRQ_TEMP1       BIT(0)

#define IRQ_TEMP2       BIT(1)

#define IRQ_TEMP3       BIT(2)

#define IRQ_TEMPD1      BIT(3)

#define IRQ_TEMPD2      BIT(4)

#define IRQ_TEMPD3      BIT(5)

​

/* CTSR bits */

#define CTSR_PONM   BIT(8)

#define CTSR_AOUT   BIT(7)

#define CTSR_THBGR  BIT(5)

#define CTSR_VMEN   BIT(4)

#define CTSR_VMST   BIT(1)

#define CTSR_THSST  BIT(0)

​

/* THCTR bits */

#define THCTR_PONM  BIT(6)

#define THCTR_THSST BIT(0)

​

#define CTEMP_MASK  0xFFF

​

#define MCELSIUS(temp)  ((temp) * 1000)

#define GEN3_FUSE_MASK  0xFFF

​