linux-imx

/*

 * Copyright (c) 2014-2016, Fuzhou Rockchip Electronics Co., Ltd

 * Caesar Wang <wxt@rock-chips.com>

 *

 * This program is free software; you can redistribute it and/or modify it

 * under the terms and conditions of the GNU General Public License,

 * version 2, as published by the Free Software Foundation.

 *

 * This program is distributed in the hope 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.

 */

​

#include <linux/clk.h>

#include <linux/delay.h>

#include <linux/interrupt.h>

#include <linux/io.h>

#include <linux/module.h>

#include <linux/of.h>

#include <linux/of_address.h>

#include <linux/of_irq.h>

#include <linux/platform_device.h>

#include <linux/regmap.h>

#include <linux/reset.h>

#include <linux/thermal.h>

#include <linux/mfd/syscon.h>

#include <linux/pinctrl/consumer.h>

​

/**

 * If the temperature over a period of time High,

 * the resulting TSHUT gave CRU module,let it reset the entire chip,

 * or via GPIO give PMIC.

 */

enum tshut_mode {

    TSHUT_MODE_CRU = 0,

    TSHUT_MODE_GPIO,

};

​

/**

 * The system Temperature Sensors tshut(tshut) polarity

 * the bit 8 is tshut polarity.

 * 0: low active, 1: high active

 */

enum tshut_polarity {

    TSHUT_LOW_ACTIVE = 0,

    TSHUT_HIGH_ACTIVE,

};

​

/**

 * The system has two Temperature Sensors.

 * sensor0 is for CPU, and sensor1 is for GPU.

 */

enum sensor_id {

    SENSOR_CPU = 0,

    SENSOR_GPU,

};

​

/**

 * The conversion table has the adc value and temperature.

 * ADC_DECREMENT: the adc value is of diminishing.(e.g. rk3288_code_table)

 * ADC_INCREMENT: the adc value is incremental.(e.g. rk3368_code_table)

 */