drivers/acpi/pmic/intel_pmic_bxtwc.c - linux - Git at Google

 /*
  * intel_pmic_bxtwc.c - Intel BXT WhiskeyCove PMIC operation region driver
  *
  * Copyright (C) 2015 Intel Corporation. All rights reserved.
  *
  * 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.
  */

 #include <linux/init.h>
 #include <linux/acpi.h>
 #include <linux/mfd/intel_soc_pmic.h>
 #include <linux/regmap.h>
 #include <linux/platform_device.h>
 #include "intel_pmic.h"

 #define WHISKEY_COVE_ALRT_HIGH_BIT_MASK 0x0F
 #define WHISKEY_COVE_ADC_HIGH_BIT(x)	(((x & 0x0F) << 8))
 #define WHISKEY_COVE_ADC_CURSRC(x)	(((x & 0xF0) >> 4))
 #define VR_MODE_DISABLED        0
 #define VR_MODE_AUTO            BIT(0)
 #define VR_MODE_NORMAL          BIT(1)
 #define VR_MODE_SWITCH          BIT(2)
 #define VR_MODE_ECO             (BIT(0)|BIT(1))
 #define VSWITCH2_OUTPUT         BIT(5)
 #define VSWITCH1_OUTPUT         BIT(4)
 #define VUSBPHY_CHARGE          BIT(1)

 static struct pmic_table power_table[] = {
 	{
 		.address = 0x0,
 		.reg = 0x63,
 		.bit = VR_MODE_AUTO,
 	}, /* VDD1 -> VDD1CNT */
 	{
 		.address = 0x04,
 		.reg = 0x65,
 		.bit = VR_MODE_AUTO,
 	}, /* VDD2 -> VDD2CNT */
 	{
 		.address = 0x08,
 		.reg = 0x67,
 		.bit = VR_MODE_AUTO,
 	}, /* VDD3 -> VDD3CNT */
 	{
 		.address = 0x0c,
 		.reg = 0x6d,
 		.bit = VR_MODE_AUTO,
 	}, /* VLFX -> VFLEXCNT */
 	{
 		.address = 0x10,
 		.reg = 0x6f,
 		.bit = VR_MODE_NORMAL,
 	}, /* VP1A -> VPROG1ACNT */
 	{
 		.address = 0x14,
 		.reg = 0x70,
 		.bit = VR_MODE_NORMAL,
 	}, /* VP1B -> VPROG1BCNT */
 	{
 		.address = 0x18,
 		.reg = 0x71,
 		.bit = VR_MODE_NORMAL,
 	}, /* VP1C -> VPROG1CCNT */
 	{
 		.address = 0x1c,
 		.reg = 0x72,
 		.bit = VR_MODE_NORMAL,
 	}, /* VP1D -> VPROG1DCNT */
 	{
 		.address = 0x20,
 		.reg = 0x73,
 		.bit = VR_MODE_NORMAL,
 	}, /* VP2A -> VPROG2ACNT */
 	{
 		.address = 0x24,
 		.reg = 0x74,
 		.bit = VR_MODE_NORMAL,
 	}, /* VP2B -> VPROG2BCNT */
 	{
 		.address = 0x28,
 		.reg = 0x75,
 		.bit = VR_MODE_NORMAL,
 	}, /* VP2C -> VPROG2CCNT */
 	{
 		.address = 0x2c,
 		.reg = 0x76,
 		.bit = VR_MODE_NORMAL,
 	}, /* VP3A -> VPROG3ACNT */
 	{
 		.address = 0x30,
 		.reg = 0x77,
 		.bit = VR_MODE_NORMAL,
 	}, /* VP3B -> VPROG3BCNT */
 	{
 		.address = 0x34,
 		.reg = 0x78,
 		.bit = VSWITCH2_OUTPUT,
 	}, /* VSW2 -> VLD0CNT Bit 5*/
 	{
 		.address = 0x38,
 		.reg = 0x78,
 		.bit = VSWITCH1_OUTPUT,
 	}, /* VSW1 -> VLD0CNT Bit 4 */
 	{
 		.address = 0x3c,
 		.reg = 0x78,
 		.bit = VUSBPHY_CHARGE,
 	}, /* VUPY -> VLDOCNT Bit 1 */
 	{
 		.address = 0x40,
 		.reg = 0x7b,
 		.bit = VR_MODE_NORMAL,
 	}, /* VRSO -> VREFSOCCNT*/
 	{
 		.address = 0x44,
 		.reg = 0xA0,
 		.bit = VR_MODE_NORMAL,
 	}, /* VP1E -> VPROG1ECNT */
 	{
 		.address = 0x48,
 		.reg = 0xA1,
 		.bit = VR_MODE_NORMAL,
 	}, /* VP1F -> VPROG1FCNT */
 	{
 		.address = 0x4c,
 		.reg = 0xA2,
 		.bit = VR_MODE_NORMAL,
 	}, /* VP2D -> VPROG2DCNT */
 	{
 		.address = 0x50,
 		.reg = 0xA3,
 		.bit = VR_MODE_NORMAL,
 	}, /* VP4A -> VPROG4ACNT */
 	{
 		.address = 0x54,
 		.reg = 0xA4,
 		.bit = VR_MODE_NORMAL,
 	}, /* VP4B -> VPROG4BCNT */
 	{
 		.address = 0x58,
 		.reg = 0xA5,
 		.bit = VR_MODE_NORMAL,
 	}, /* VP4C -> VPROG4CCNT */
 	{
 		.address = 0x5c,
 		.reg = 0xA6,
 		.bit = VR_MODE_NORMAL,
 	}, /* VP4D -> VPROG4DCNT */
 	{
 		.address = 0x60,
 		.reg = 0xA7,
 		.bit = VR_MODE_NORMAL,
 	}, /* VP5A -> VPROG5ACNT */
 	{
 		.address = 0x64,
 		.reg = 0xA8,
 		.bit = VR_MODE_NORMAL,
 	}, /* VP5B -> VPROG5BCNT */
 	{
 		.address = 0x68,
 		.reg = 0xA9,
 		.bit = VR_MODE_NORMAL,
 	}, /* VP6A -> VPROG6ACNT */
 	{
 		.address = 0x6c,
 		.reg = 0xAA,
 		.bit = VR_MODE_NORMAL,
 	}, /* VP6B -> VPROG6BCNT */
 	{
 		.address = 0x70,
 		.reg = 0x36,
 		.bit = BIT(2),
 	}, /* SDWN_N -> MODEMCTRL Bit 2 */
 	{
 		.address = 0x74,
 		.reg = 0x36,
 		.bit = BIT(0),
 	} /* MOFF -> MODEMCTRL Bit 0 */
 };

 static struct pmic_table thermal_table[] = {
 	{
 		.address = 0x00,
 		.reg = 0x4F39
 	},
 	{
 		.address = 0x04,
 		.reg = 0x4F24
 	},
 	{
 		.address = 0x08,
 		.reg = 0x4F26
 	},
 	{
 		.address = 0x0c,
 		.reg = 0x4F3B
 	},
 	{
 		.address = 0x10,
 		.reg = 0x4F28
 	},
 	{
 		.address = 0x14,
 		.reg = 0x4F2A
 	},
 	{
 		.address = 0x18,
 		.reg = 0x4F3D
 	},
 	{
 		.address = 0x1c,
 		.reg = 0x4F2C
 	},
 	{
 		.address = 0x20,
 		.reg = 0x4F2E
 	},
 	{
 		.address = 0x24,
 		.reg = 0x4F3F
 	},
 	{
 		.address = 0x28,
 		.reg = 0x4F30
 	},
 	{
 		.address = 0x30,
 		.reg = 0x4F41
 	},
 	{
 		.address = 0x34,
 		.reg = 0x4F32
 	},
 	{
 		.address = 0x3c,
 		.reg = 0x4F43
 	},
 	{
 		.address = 0x40,
 		.reg = 0x4F34
 	},
 	{
 		.address = 0x48,
 		.reg = 0x4F6A,
 		.bit = 0,
 	},
 	{
 		.address = 0x4C,
 		.reg = 0x4F6A,
 		.bit = 1
 	},
 	{
 		.address = 0x50,
 		.reg = 0x4F6A,
 		.bit = 2
 	},
 	{
 		.address = 0x54,
 		.reg = 0x4F6A,
 		.bit = 4
 	},
 	{
 		.address = 0x58,
 		.reg = 0x4F6A,
 		.bit = 5
 	},
 	{
 		.address = 0x5C,
 		.reg = 0x4F6A,
 		.bit = 3
 	},
 };

 static int intel_bxtwc_pmic_get_power(struct regmap *regmap, int reg,
 		int bit, u64 *value)
 {
 	int data;

 	if (regmap_read(regmap, reg, &data))
 		return -EIO;

 	*value = (data & bit) ? 1 : 0;
 	return 0;
 }

 static int intel_bxtwc_pmic_update_power(struct regmap *regmap, int reg,
 		int bit, bool on)
 {
 	u8 val, mask = bit;

 	if (on)
 		val = 0xFF;
 	else
 		val = 0x0;

 	return regmap_update_bits(regmap, reg, mask, val);
 }

 static int intel_bxtwc_pmic_get_raw_temp(struct regmap *regmap, int reg)
 {
 	unsigned int val, adc_val, reg_val;
 	u8 temp_l, temp_h, cursrc;
 	unsigned long rlsb;
 	static const unsigned long rlsb_array[] = {
 		0, 260420, 130210, 65100, 32550, 16280,
 		8140, 4070, 2030, 0, 260420, 130210 };

 	if (regmap_read(regmap, reg, &val))
 		return -EIO;
 	temp_l = (u8) val;

 	if (regmap_read(regmap, (reg - 1), &val))
 		return -EIO;
 	temp_h = (u8) val;

 	reg_val = temp_l | WHISKEY_COVE_ADC_HIGH_BIT(temp_h);
 	cursrc = WHISKEY_COVE_ADC_CURSRC(temp_h);
 	rlsb = rlsb_array[cursrc];
 	adc_val = reg_val * rlsb / 1000;

 	return adc_val;
 }

 static int
 intel_bxtwc_pmic_update_aux(struct regmap *regmap, int reg, int raw)
 {
 	u32 bsr_num;
 	u16 resi_val, count = 0, thrsh = 0;
 	u8 alrt_h, alrt_l, cursel = 0;

 	bsr_num = raw;
 	bsr_num /= (1 << 5);

 	count = fls(bsr_num) - 1;

 	cursel = clamp_t(s8, (count - 7), 0, 7);
 	thrsh = raw / (1 << (4 + cursel));

 	resi_val = (cursel << 9) | thrsh;
 	alrt_h = (resi_val >> 8) & WHISKEY_COVE_ALRT_HIGH_BIT_MASK;
 	if (regmap_update_bits(regmap,
 				reg - 1,
 				WHISKEY_COVE_ALRT_HIGH_BIT_MASK,
 				alrt_h))
 		return -EIO;

 	alrt_l = (u8)resi_val;
 	return regmap_write(regmap, reg, alrt_l);
 }

 static int
 intel_bxtwc_pmic_get_policy(struct regmap *regmap, int reg, int bit, u64 *value)
 {
 	u8 mask = BIT(bit);
 	unsigned int val;

 	if (regmap_read(regmap, reg, &val))
 		return -EIO;

 	*value = (val & mask) >> bit;
 	return 0;
 }

 static int
 intel_bxtwc_pmic_update_policy(struct regmap *regmap,
 				int reg, int bit, int enable)
 {
 	u8 mask = BIT(bit), val = enable << bit;

 	return regmap_update_bits(regmap, reg, mask, val);
 }

 static struct intel_pmic_opregion_data intel_bxtwc_pmic_opregion_data = {
 	.get_power      = intel_bxtwc_pmic_get_power,
 	.update_power   = intel_bxtwc_pmic_update_power,
 	.get_raw_temp   = intel_bxtwc_pmic_get_raw_temp,
 	.update_aux     = intel_bxtwc_pmic_update_aux,
 	.get_policy     = intel_bxtwc_pmic_get_policy,
 	.update_policy  = intel_bxtwc_pmic_update_policy,
 	.power_table      = power_table,
 	.power_table_count = ARRAY_SIZE(power_table),
 	.thermal_table     = thermal_table,
 	.thermal_table_count = ARRAY_SIZE(thermal_table),
 };

 static int intel_bxtwc_pmic_opregion_probe(struct platform_device *pdev)
 {
 	struct intel_soc_pmic *pmic = dev_get_drvdata(pdev->dev.parent);

 	return intel_pmic_install_opregion_handler(&pdev->dev,
 			ACPI_HANDLE(pdev->dev.parent),
 			pmic->regmap,
 			&intel_bxtwc_pmic_opregion_data);
 }

 static const struct platform_device_id bxt_wc_opregion_id_table[] = {
 	{ .name = "bxt_wcove_region" },
 	{},
 };

 static struct platform_driver intel_bxtwc_pmic_opregion_driver = {
 	.probe = intel_bxtwc_pmic_opregion_probe,
 	.driver = {
 		.name = "bxt_whiskey_cove_pmic",
 	},
 	.id_table = bxt_wc_opregion_id_table,
 };
 builtin_platform_driver(intel_bxtwc_pmic_opregion_driver);
	/*
	* intel_pmic_bxtwc.c - Intel BXT WhiskeyCove PMIC operation region driver
	*
	* Copyright (C) 2015 Intel Corporation. All rights reserved.
	*
	* 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.
	*/

	#include <linux/init.h>
	#include <linux/acpi.h>
	#include <linux/mfd/intel_soc_pmic.h>
	#include <linux/regmap.h>
	#include <linux/platform_device.h>
	#include "intel_pmic.h"

	#define WHISKEY_COVE_ALRT_HIGH_BIT_MASK 0x0F
	#define WHISKEY_COVE_ADC_HIGH_BIT(x) (((x & 0x0F) << 8))
	#define WHISKEY_COVE_ADC_CURSRC(x) (((x & 0xF0) >> 4))
	#define VR_MODE_DISABLED 0
	#define VR_MODE_AUTO BIT(0)
	#define VR_MODE_NORMAL BIT(1)
	#define VR_MODE_SWITCH BIT(2)
	#define VR_MODE_ECO (BIT(0)\|BIT(1))
	#define VSWITCH2_OUTPUT BIT(5)
	#define VSWITCH1_OUTPUT BIT(4)
	#define VUSBPHY_CHARGE BIT(1)

	static struct pmic_table power_table[] = {
	{
	.address = 0x0,
	.reg = 0x63,
	.bit = VR_MODE_AUTO,
	}, /* VDD1 -> VDD1CNT */
	{
	.address = 0x04,
	.reg = 0x65,
	.bit = VR_MODE_AUTO,
	}, /* VDD2 -> VDD2CNT */
	{
	.address = 0x08,
	.reg = 0x67,
	.bit = VR_MODE_AUTO,
	}, /* VDD3 -> VDD3CNT */
	{
	.address = 0x0c,
	.reg = 0x6d,
	.bit = VR_MODE_AUTO,
	}, /* VLFX -> VFLEXCNT */
	{
	.address = 0x10,
	.reg = 0x6f,
	.bit = VR_MODE_NORMAL,
	}, /* VP1A -> VPROG1ACNT */
	{
	.address = 0x14,
	.reg = 0x70,
	.bit = VR_MODE_NORMAL,
	}, /* VP1B -> VPROG1BCNT */
	{
	.address = 0x18,
	.reg = 0x71,
	.bit = VR_MODE_NORMAL,
	}, /* VP1C -> VPROG1CCNT */
	{
	.address = 0x1c,
	.reg = 0x72,
	.bit = VR_MODE_NORMAL,
	}, /* VP1D -> VPROG1DCNT */
	{
	.address = 0x20,
	.reg = 0x73,
	.bit = VR_MODE_NORMAL,
	}, /* VP2A -> VPROG2ACNT */
	{
	.address = 0x24,
	.reg = 0x74,
	.bit = VR_MODE_NORMAL,
	}, /* VP2B -> VPROG2BCNT */
	{
	.address = 0x28,
	.reg = 0x75,
	.bit = VR_MODE_NORMAL,
	}, /* VP2C -> VPROG2CCNT */
	{
	.address = 0x2c,
	.reg = 0x76,
	.bit = VR_MODE_NORMAL,
	}, /* VP3A -> VPROG3ACNT */
	{
	.address = 0x30,
	.reg = 0x77,
	.bit = VR_MODE_NORMAL,
	}, /* VP3B -> VPROG3BCNT */
	{
	.address = 0x34,
	.reg = 0x78,
	.bit = VSWITCH2_OUTPUT,
	}, /* VSW2 -> VLD0CNT Bit 5*/
	{
	.address = 0x38,
	.reg = 0x78,
	.bit = VSWITCH1_OUTPUT,
	}, /* VSW1 -> VLD0CNT Bit 4 */
	{
	.address = 0x3c,
	.reg = 0x78,
	.bit = VUSBPHY_CHARGE,
	}, /* VUPY -> VLDOCNT Bit 1 */
	{
	.address = 0x40,
	.reg = 0x7b,
	.bit = VR_MODE_NORMAL,
	}, /* VRSO -> VREFSOCCNT*/
	{
	.address = 0x44,
	.reg = 0xA0,
	.bit = VR_MODE_NORMAL,
	}, /* VP1E -> VPROG1ECNT */
	{
	.address = 0x48,
	.reg = 0xA1,
	.bit = VR_MODE_NORMAL,
	}, /* VP1F -> VPROG1FCNT */
	{
	.address = 0x4c,
	.reg = 0xA2,
	.bit = VR_MODE_NORMAL,
	}, /* VP2D -> VPROG2DCNT */
	{
	.address = 0x50,
	.reg = 0xA3,
	.bit = VR_MODE_NORMAL,
	}, /* VP4A -> VPROG4ACNT */
	{
	.address = 0x54,
	.reg = 0xA4,
	.bit = VR_MODE_NORMAL,
	}, /* VP4B -> VPROG4BCNT */
	{
	.address = 0x58,
	.reg = 0xA5,
	.bit = VR_MODE_NORMAL,
	}, /* VP4C -> VPROG4CCNT */
	{
	.address = 0x5c,
	.reg = 0xA6,
	.bit = VR_MODE_NORMAL,
	}, /* VP4D -> VPROG4DCNT */
	{
	.address = 0x60,
	.reg = 0xA7,
	.bit = VR_MODE_NORMAL,
	}, /* VP5A -> VPROG5ACNT */
	{
	.address = 0x64,
	.reg = 0xA8,
	.bit = VR_MODE_NORMAL,
	}, /* VP5B -> VPROG5BCNT */
	{
	.address = 0x68,
	.reg = 0xA9,
	.bit = VR_MODE_NORMAL,
	}, /* VP6A -> VPROG6ACNT */
	{
	.address = 0x6c,
	.reg = 0xAA,
	.bit = VR_MODE_NORMAL,
	}, /* VP6B -> VPROG6BCNT */
	{
	.address = 0x70,
	.reg = 0x36,
	.bit = BIT(2),
	}, /* SDWN_N -> MODEMCTRL Bit 2 */
	{
	.address = 0x74,
	.reg = 0x36,
	.bit = BIT(0),
	} /* MOFF -> MODEMCTRL Bit 0 */
	};

	static struct pmic_table thermal_table[] = {
	{
	.address = 0x00,
	.reg = 0x4F39
	},
	{
	.address = 0x04,
	.reg = 0x4F24
	},
	{
	.address = 0x08,
	.reg = 0x4F26
	},
	{
	.address = 0x0c,
	.reg = 0x4F3B
	},
	{
	.address = 0x10,
	.reg = 0x4F28
	},
	{
	.address = 0x14,
	.reg = 0x4F2A
	},
	{
	.address = 0x18,
	.reg = 0x4F3D
	},
	{
	.address = 0x1c,
	.reg = 0x4F2C
	},
	{
	.address = 0x20,
	.reg = 0x4F2E
	},
	{
	.address = 0x24,
	.reg = 0x4F3F
	},
	{
	.address = 0x28,
	.reg = 0x4F30
	},
	{
	.address = 0x30,
	.reg = 0x4F41
	},
	{
	.address = 0x34,
	.reg = 0x4F32
	},
	{
	.address = 0x3c,
	.reg = 0x4F43
	},
	{
	.address = 0x40,
	.reg = 0x4F34
	},
	{
	.address = 0x48,
	.reg = 0x4F6A,
	.bit = 0,
	},
	{
	.address = 0x4C,
	.reg = 0x4F6A,
	.bit = 1
	},
	{
	.address = 0x50,
	.reg = 0x4F6A,
	.bit = 2
	},
	{
	.address = 0x54,
	.reg = 0x4F6A,
	.bit = 4
	},
	{
	.address = 0x58,
	.reg = 0x4F6A,
	.bit = 5
	},
	{
	.address = 0x5C,
	.reg = 0x4F6A,
	.bit = 3
	},
	};

	static int intel_bxtwc_pmic_get_power(struct regmap *regmap, int reg,
	int bit, u64 *value)
	{
	int data;

	if (regmap_read(regmap, reg, &data))
	return -EIO;

	*value = (data & bit) ? 1 : 0;
	return 0;
	}

	static int intel_bxtwc_pmic_update_power(struct regmap *regmap, int reg,
	int bit, bool on)
	{
	u8 val, mask = bit;

	if (on)
	val = 0xFF;
	else
	val = 0x0;

	return regmap_update_bits(regmap, reg, mask, val);
	}

	static int intel_bxtwc_pmic_get_raw_temp(struct regmap *regmap, int reg)
	{
	unsigned int val, adc_val, reg_val;
	u8 temp_l, temp_h, cursrc;
	unsigned long rlsb;
	static const unsigned long rlsb_array[] = {
	0, 260420, 130210, 65100, 32550, 16280,
	8140, 4070, 2030, 0, 260420, 130210 };

	if (regmap_read(regmap, reg, &val))
	return -EIO;
	temp_l = (u8) val;

	if (regmap_read(regmap, (reg - 1), &val))
	return -EIO;
	temp_h = (u8) val;

	reg_val = temp_l \| WHISKEY_COVE_ADC_HIGH_BIT(temp_h);
	cursrc = WHISKEY_COVE_ADC_CURSRC(temp_h);
	rlsb = rlsb_array[cursrc];
	adc_val = reg_val * rlsb / 1000;

	return adc_val;
	}

	static int
	intel_bxtwc_pmic_update_aux(struct regmap *regmap, int reg, int raw)
	{
	u32 bsr_num;
	u16 resi_val, count = 0, thrsh = 0;
	u8 alrt_h, alrt_l, cursel = 0;

	bsr_num = raw;
	bsr_num /= (1 << 5);

	count = fls(bsr_num) - 1;

	cursel = clamp_t(s8, (count - 7), 0, 7);
	thrsh = raw / (1 << (4 + cursel));

	resi_val = (cursel << 9) \| thrsh;
	alrt_h = (resi_val >> 8) & WHISKEY_COVE_ALRT_HIGH_BIT_MASK;
	if (regmap_update_bits(regmap,
	reg - 1,
	WHISKEY_COVE_ALRT_HIGH_BIT_MASK,
	alrt_h))
	return -EIO;

	alrt_l = (u8)resi_val;
	return regmap_write(regmap, reg, alrt_l);
	}

	static int
	intel_bxtwc_pmic_get_policy(struct regmap regmap, int reg, int bit, u64 value)
	{
	u8 mask = BIT(bit);
	unsigned int val;

	if (regmap_read(regmap, reg, &val))
	return -EIO;

	*value = (val & mask) >> bit;
	return 0;
	}

	static int
	intel_bxtwc_pmic_update_policy(struct regmap *regmap,
	int reg, int bit, int enable)
	{
	u8 mask = BIT(bit), val = enable << bit;

	return regmap_update_bits(regmap, reg, mask, val);
	}

	static struct intel_pmic_opregion_data intel_bxtwc_pmic_opregion_data = {
	.get_power = intel_bxtwc_pmic_get_power,
	.update_power = intel_bxtwc_pmic_update_power,
	.get_raw_temp = intel_bxtwc_pmic_get_raw_temp,
	.update_aux = intel_bxtwc_pmic_update_aux,
	.get_policy = intel_bxtwc_pmic_get_policy,
	.update_policy = intel_bxtwc_pmic_update_policy,
	.power_table = power_table,
	.power_table_count = ARRAY_SIZE(power_table),
	.thermal_table = thermal_table,
	.thermal_table_count = ARRAY_SIZE(thermal_table),
	};

	static int intel_bxtwc_pmic_opregion_probe(struct platform_device *pdev)
	{
	struct intel_soc_pmic *pmic = dev_get_drvdata(pdev->dev.parent);

	return intel_pmic_install_opregion_handler(&pdev->dev,
	ACPI_HANDLE(pdev->dev.parent),
	pmic->regmap,
	&intel_bxtwc_pmic_opregion_data);
	}

	static const struct platform_device_id bxt_wc_opregion_id_table[] = {
	{ .name = "bxt_wcove_region" },
	{},
	};

	static struct platform_driver intel_bxtwc_pmic_opregion_driver = {
	.probe = intel_bxtwc_pmic_opregion_probe,
	.driver = {
	.name = "bxt_whiskey_cove_pmic",
	},
	.id_table = bxt_wc_opregion_id_table,
	};
	builtin_platform_driver(intel_bxtwc_pmic_opregion_driver);