Message-Id: <1440175693-60439-2-git-send-email-qipeng.zha@intel.com>
Date:	Sat, 22 Aug 2015 00:48:13 +0800
From:	Qipeng Zha <qipeng.zha@...el.com>
To:	linux-kernel@...r.kernel.org
Cc:	lee.jones@...aro.org, sameo@...ux.intel.com, fei.yang@...el.com,
	huiquan.zhong@...el.com, jason.cj.chen@...el.com,
	qi.zheng@...el.com, qipeng.zha@...el.com, samuel.ortiz@...el.com
Subject: [PATCH v5 2/2] mfd: add Intel Broxton Whiskey Cove PMIC driver

Add MFD core driver for Intel Broxton Whiskey Cove PMIC,
which is specially accessed by hardware IPC, not a generic
I2C device

Signed-off-by: Qipeng Zha <qipeng.zha@...el.com>
---
change in v5
 Fix issues in code style, espcially make error messages readable;
 Put regmap_irq macro in header file and separate into two patch;
 Use DEFFINE_RES_IRQ to define irq resource;
 Remove default_i2c_addr and use macro directly;
 Change platform driver name to make it more readable;

change in v4
 Add compile dependency to PMC IPC driver in Makefile, or will
use NULL stubs defined in PMC IPC header file;

change in v3
 Implement ipc regmap r/w callback in pmic driver, since there dropped
before patch of implement virtual ipc support in regmap core;
 Update some function's comment;
---
 drivers/mfd/Makefile               |   1 +
 drivers/mfd/intel_soc_pmic_bxtwc.c | 477 +++++++++++++++++++++++++++++++++++++
 include/linux/mfd/intel_bxtwc.h    |  69 ++++++
 3 files changed, 547 insertions(+)
 create mode 100644 drivers/mfd/intel_soc_pmic_bxtwc.c
 create mode 100644 include/linux/mfd/intel_bxtwc.h

diff --git a/drivers/mfd/Makefile b/drivers/mfd/Makefile
index 0e5cfeb..8fc894e 100644
--- a/drivers/mfd/Makefile
+++ b/drivers/mfd/Makefile
@@ -183,5 +183,6 @@ obj-$(CONFIG_MFD_RT5033)	+= rt5033.o
 obj-$(CONFIG_MFD_SKY81452)	+= sky81452.o
 
 intel-soc-pmic-objs		:= intel_soc_pmic_core.o intel_soc_pmic_crc.o
+intel-soc-pmic-$(CONFIG_INTEL_PMC_IPC)	+= intel_soc_pmic_bxtwc.o
 obj-$(CONFIG_INTEL_SOC_PMIC)	+= intel-soc-pmic.o
 obj-$(CONFIG_MFD_MT6397)	+= mt6397-core.o
diff --git a/drivers/mfd/intel_soc_pmic_bxtwc.c b/drivers/mfd/intel_soc_pmic_bxtwc.c
new file mode 100644
index 0000000..332df68
--- /dev/null
+++ b/drivers/mfd/intel_soc_pmic_bxtwc.c
@@ -0,0 +1,477 @@
+/*
+ * MFD core driver for Intel Broxton Whiskey Cove PMIC
+ *
+ * Copyright (C) 2015 Intel Corporation. All rights reserved.
+ *
+ * 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/module.h>
+#include <linux/acpi.h>
+#include <linux/err.h>
+#include <linux/delay.h>
+#include <linux/interrupt.h>
+#include <linux/kernel.h>
+#include <linux/mfd/core.h>
+#include <linux/mfd/intel_bxtwc.h>
+#include <asm/intel_pmc_ipc.h>
+
+/* PMIC device registers */
+#define REG_ADDR_MASK		0xFF00
+#define REG_ADDR_SHIFT		8
+#define REG_OFFSET_MASK		0xFF
+
+/* Interrupt Status Registers */
+#define BXTWC_IRQLVL1		0x4E02
+#define BXTWC_PWRBTNIRQ		0x4E03
+
+#define BXTWC_THRM0IRQ		0x4E04
+#define BXTWC_THRM1IRQ		0x4E05
+#define BXTWC_THRM2IRQ		0x4E06
+#define BXTWC_BCUIRQ		0x4E07
+#define BXTWC_ADCIRQ		0x4E08
+#define BXTWC_CHGR0IRQ		0x4E09
+#define BXTWC_CHGR1IRQ		0x4E0A
+#define BXTWC_GPIOIRQ0		0x4E0B
+#define BXTWC_GPIOIRQ1		0x4E0C
+#define BXTWC_CRITIRQ		0x4E0D
+
+/* Interrupt MASK Registers */
+#define BXTWC_MIRQLVL1		0x4E0E
+#define BXTWC_MPWRTNIRQ		0x4E0F
+
+#define BXTWC_MTHRM0IRQ		0x4E12
+#define BXTWC_MTHRM1IRQ		0x4E13
+#define BXTWC_MTHRM2IRQ		0x4E14
+#define BXTWC_MBCUIRQ		0x4E15
+#define BXTWC_MADCIRQ		0x4E16
+#define BXTWC_MCHGR0IRQ		0x4E17
+#define BXTWC_MCHGR1IRQ		0x4E18
+#define BXTWC_MGPIO0IRQ		0x4E19
+#define BXTWC_MGPIO1IRQ		0x4E1A
+#define BXTWC_MCRITIRQ		0x4E1B
+
+/* Whiskey Cove PMIC share same ACPI ID between different platforms */
+#define BROXTON_PMIC_WC_HRV	4
+
+/* Manage in two IRQ chips since mask registers are not consecutive */
+enum bxtwc_irqs {
+	/* Level 1 */
+	BXTWC_PWRBTN_LVL1_IRQ = 0,
+	BXTWC_TMU_LVL1_IRQ,
+	BXTWC_THRM_LVL1_IRQ,
+	BXTWC_BCU_LVL1_IRQ,
+	BXTWC_ADC_LVL1_IRQ,
+	BXTWC_CHGR_LVL1_IRQ,
+	BXTWC_GPIO_LVL1_IRQ,
+	BXTWC_CRIT_LVL1_IRQ,
+
+	/* Level 2 */
+	BXTWC_PWRBTN_IRQ,
+};
+
+enum bxtwc_irqs_level2 {
+	/* Level 2 */
+	BXTWC_THRM0_IRQ = 0,
+	BXTWC_THRM1_IRQ,
+	BXTWC_THRM2_IRQ,
+	BXTWC_BCU_IRQ,
+	BXTWC_ADC_IRQ,
+	BXTWC_CHGR0_IRQ,
+	BXTWC_CHGR1_IRQ,
+	BXTWC_GPIO0_IRQ,
+	BXTWC_GPIO1_IRQ,
+	BXTWC_CRIT_IRQ,
+};
+
+static const struct regmap_irq bxtwc_regmap_irqs[] = {
+	INIT_REGMAP_IRQ(BXTWC_PWRBTN_LVL1_IRQ, 0, BIT(0)),
+	INIT_REGMAP_IRQ(BXTWC_TMU_LVL1_IRQ, 0, BIT(1)),
+	INIT_REGMAP_IRQ(BXTWC_THRM_LVL1_IRQ, 0, BIT(2)),
+	INIT_REGMAP_IRQ(BXTWC_BCU_LVL1_IRQ, 0, BIT(3)),
+	INIT_REGMAP_IRQ(BXTWC_ADC_LVL1_IRQ, 0, BIT(4)),
+	INIT_REGMAP_IRQ(BXTWC_CHGR_LVL1_IRQ, 0, BIT(5)),
+	INIT_REGMAP_IRQ(BXTWC_GPIO_LVL1_IRQ, 0, BIT(6)),
+	INIT_REGMAP_IRQ(BXTWC_CRIT_LVL1_IRQ, 0, BIT(7)),
+	INIT_REGMAP_IRQ(BXTWC_PWRBTN_IRQ, 1, 0x03),
+};
+
+static const struct regmap_irq bxtwc_regmap_irqs_level2[] = {
+	INIT_REGMAP_IRQ(BXTWC_THRM0_IRQ, 0, 0xff),
+	INIT_REGMAP_IRQ(BXTWC_THRM1_IRQ, 1, 0xbf),
+	INIT_REGMAP_IRQ(BXTWC_THRM2_IRQ, 2, 0xff),
+	INIT_REGMAP_IRQ(BXTWC_BCU_IRQ, 3, 0x1f),
+	INIT_REGMAP_IRQ(BXTWC_ADC_IRQ, 4, 0xff),
+	INIT_REGMAP_IRQ(BXTWC_CHGR0_IRQ, 5, 0x1f),
+	INIT_REGMAP_IRQ(BXTWC_CHGR1_IRQ, 6, 0x1f),
+	INIT_REGMAP_IRQ(BXTWC_GPIO0_IRQ, 7, 0xff),
+	INIT_REGMAP_IRQ(BXTWC_GPIO1_IRQ, 8, 0x3f),
+	INIT_REGMAP_IRQ(BXTWC_CRIT_IRQ, 9, 0x03),
+};
+
+static struct regmap_irq_chip bxtwc_regmap_irq_chip = {
+	.name = "bxtwc_irq_chip",
+	.status_base = BXTWC_IRQLVL1,
+	.mask_base = BXTWC_MIRQLVL1,
+	.irqs = bxtwc_regmap_irqs,
+	.num_irqs = ARRAY_SIZE(bxtwc_regmap_irqs),
+	.num_regs = 2,
+};
+
+static struct regmap_irq_chip bxtwc_regmap_irq_chip_level2 = {
+	.name = "bxtwc_irq_chip_level2",
+	.status_base = BXTWC_THRM0IRQ,
+	.mask_base = BXTWC_MTHRM0IRQ,
+	.irqs = bxtwc_regmap_irqs_level2,
+	.num_irqs = ARRAY_SIZE(bxtwc_regmap_irqs_level2),
+	.num_regs = 10,
+};
+
+static struct resource gpio_resources[] = {
+	DEFINE_RES_IRQ_NAMED(BXTWC_GPIO0_IRQ, "GPIO0"),
+	DEFINE_RES_IRQ_NAMED(BXTWC_GPIO1_IRQ, "GPIO1"),
+};
+
+static struct resource adc_resources[] = {
+	DEFINE_RES_IRQ_NAMED(BXTWC_ADC_IRQ, "ADC"),
+};
+
+static struct resource charger_resources[] = {
+	DEFINE_RES_IRQ_NAMED(BXTWC_CHGR0_IRQ, "CHARGER"),
+	DEFINE_RES_IRQ_NAMED(BXTWC_CHGR1_IRQ, "CHARGER1"),
+};
+
+static struct resource thermal_resources[] = {
+	DEFINE_RES_IRQ(BXTWC_THRM0_IRQ),
+	DEFINE_RES_IRQ(BXTWC_THRM1_IRQ),
+	DEFINE_RES_IRQ(BXTWC_THRM2_IRQ),
+};
+
+static struct resource bcu_resources[] = {
+	DEFINE_RES_IRQ_NAMED(BXTWC_BCU_IRQ, "BCU"),
+};
+
+static struct mfd_cell bxt_wc_dev[] = {
+	{
+		.name = "bxt_wcove_gpadc",
+		.num_resources = ARRAY_SIZE(adc_resources),
+		.resources = adc_resources,
+	},
+	{
+		.name = "bxt_wcove_thermal",
+		.num_resources = ARRAY_SIZE(thermal_resources),
+		.resources = thermal_resources,
+	},
+	{
+		.name = "bxt_wcove_ext_charger",
+		.num_resources = ARRAY_SIZE(charger_resources),
+		.resources = charger_resources,
+	},
+	{
+		.name = "bxt_wcove_bcu",
+		.num_resources = ARRAY_SIZE(bcu_resources),
+		.resources = bcu_resources,
+	},
+	{
+		.name = "bxt_wcove_gpio",
+		.num_resources = ARRAY_SIZE(gpio_resources),
+		.resources = gpio_resources,
+	},
+	{
+		.name = "bxt_wcove_region",
+	},
+};
+
+static int regmap_ipc_byte_reg_read(void *context, unsigned int reg,
+				    unsigned int *val)
+{
+	int ret;
+	int i2c_addr;
+	u8 ipc_in[2];
+	u8 ipc_out[4];
+	struct intel_soc_pmic *pmic = context;
+
+	if (reg & REG_ADDR_MASK)
+		i2c_addr = (reg & REG_ADDR_MASK) >> REG_ADDR_SHIFT;
+	else {
+		i2c_addr = BXTWC_DEVICE1_ADDR;
+		if (!i2c_addr) {
+			dev_err(pmic->dev, "I2C address not set\n");
+			return -EINVAL;
+		}
+	}
+	reg &= REG_OFFSET_MASK;
+
+	ipc_in[0] = reg;
+	ipc_in[1] = i2c_addr;
+	ret = intel_pmc_ipc_command(PMC_IPC_PMIC_ACCESS,
+			PMC_IPC_PMIC_ACCESS_READ,
+			ipc_in, sizeof(ipc_in), (u32 *)ipc_out, 1);
+	if (ret) {
+		dev_err(pmic->dev, "Failed to read from PMIC\n");
+		return ret;
+	}
+	*val = ipc_out[0];
+
+	return 0;
+}
+
+static int regmap_ipc_byte_reg_write(void *context, unsigned int reg,
+				       unsigned int val)
+{
+	int ret;
+	int i2c_addr;
+	u8 ipc_in[3];
+	struct intel_soc_pmic *pmic = context;
+
+	if (reg & REG_ADDR_MASK)
+		i2c_addr = (reg & REG_ADDR_MASK) >> REG_ADDR_SHIFT;
+	else {
+		i2c_addr = BXTWC_DEVICE1_ADDR;
+		if (!i2c_addr) {
+			dev_err(pmic->dev, "I2C address not set\n");
+			return -EINVAL;
+		}
+	}
+	reg &= REG_OFFSET_MASK;
+
+	ipc_in[0] = reg;
+	ipc_in[1] = i2c_addr;
+	ipc_in[2] = val;
+	ret = intel_pmc_ipc_command(PMC_IPC_PMIC_ACCESS,
+			PMC_IPC_PMIC_ACCESS_WRITE,
+			ipc_in, sizeof(ipc_in), NULL, 0);
+	if (ret) {
+		dev_err(pmic->dev, "Failed to write to PMIC\n");
+		return ret;
+	}
+
+	return 0;
+}
+
+/* sysfs interfaces to r/w PMIC registers, required by initial script */
+static unsigned long bxtwc_reg_addr;
+static ssize_t bxtwc_reg_show(struct device *dev,
+		struct device_attribute *attr, char *buf)
+{
+	return sprintf(buf, "0x%lx\n", bxtwc_reg_addr);
+}
+
+static ssize_t bxtwc_reg_store(struct device *dev,
+	struct device_attribute *attr, const char *buf, size_t count)
+{
+	if (kstrtoul(buf, 0, &bxtwc_reg_addr)) {
+		dev_err(dev, "Invalid register address\n");
+		return -EINVAL;
+	}
+	return (ssize_t)count;
+}
+
+static ssize_t bxtwc_val_show(struct device *dev,
+		struct device_attribute *attr, char *buf)
+{
+	int ret;
+	unsigned int val;
+	struct intel_soc_pmic *pmic = dev_get_drvdata(dev);
+
+	ret = regmap_read(pmic->regmap, bxtwc_reg_addr, &val);
+	if (ret < 0) {
+		dev_err(dev, "Failed to read 0x%lx\n", bxtwc_reg_addr);
+		return -EIO;
+	}
+
+	return sprintf(buf, "0x%02x\n", val);
+}
+
+static ssize_t bxtwc_val_store(struct device *dev,
+	struct device_attribute *attr, const char *buf, size_t count)
+{
+	int ret;
+	unsigned int val;
+	struct intel_soc_pmic *pmic = dev_get_drvdata(dev);
+
+	if (kstrtoul(buf, 0, (unsigned long *)&val)) {
+		dev_err(dev, "Invalid register value\n");
+		return -EINVAL;
+	}
+
+	ret = regmap_write(pmic->regmap, bxtwc_reg_addr, val);
+	if (ret) {
+		dev_err(dev, "Failed to write value 0x%02x to address 0x%lx",
+			val, bxtwc_reg_addr);
+		return -EIO;
+	}
+	return count;
+}
+
+static DEVICE_ATTR(addr, S_IWUSR | S_IRUSR, bxtwc_reg_show, bxtwc_reg_store);
+static DEVICE_ATTR(val, S_IWUSR | S_IRUSR, bxtwc_val_show, bxtwc_val_store);
+static struct attribute *bxtwc_attrs[] = {
+	&dev_attr_addr.attr,
+	&dev_attr_val.attr,
+	NULL
+};
+
+static const struct attribute_group bxtwc_group = {
+	.attrs = bxtwc_attrs,
+};
+
+static const struct regmap_config bxtwc_regmap_config = {
+	.reg_bits = 16,
+	.val_bits = 8,
+	.reg_write = regmap_ipc_byte_reg_write,
+	.reg_read = regmap_ipc_byte_reg_read,
+};
+
+static int bxtwc_probe(struct platform_device *pdev)
+{
+	int ret;
+	acpi_handle handle;
+	acpi_status status;
+	unsigned long long hrv;
+	struct intel_soc_pmic *pmic;
+
+	handle = ACPI_HANDLE(&pdev->dev);
+	status = acpi_evaluate_integer(handle, "_HRV", NULL, &hrv);
+	if (ACPI_FAILURE(status)) {
+		dev_err(&pdev->dev, "Failed to get PMIC hardware revision\n");
+		return -ENODEV;
+	}
+	if (hrv != BROXTON_PMIC_WC_HRV) {
+		dev_err(&pdev->dev, "Invalid PMIC hardware revision: %llu\n", hrv);
+		return -ENODEV;
+	}
+
+	pmic = devm_kzalloc(&pdev->dev, sizeof(*pmic), GFP_KERNEL);
+	if (!pmic)
+		return -ENOMEM;
+
+	ret = platform_get_irq(pdev, 0);
+	if (ret < 0) {
+		dev_err(&pdev->dev, "Invalid IRQ\n");
+		return ret;
+	}
+	pmic->irq = ret;
+
+	dev_set_drvdata(&pdev->dev, pmic);
+	pmic->dev = &pdev->dev;
+
+	pmic->regmap = devm_regmap_init(&pdev->dev, NULL, pmic,
+					&bxtwc_regmap_config);
+	if (IS_ERR(pmic->regmap)) {
+		ret = PTR_ERR(pmic->regmap);
+		dev_err(&pdev->dev, "Failed to initialise regmap: %d\n", ret);
+		return ret;
+	}
+
+	ret = regmap_add_irq_chip(pmic->regmap, pmic->irq,
+				  IRQF_ONESHOT | IRQF_SHARED,
+				  0, &bxtwc_regmap_irq_chip,
+				  &pmic->irq_chip_data);
+	if (ret) {
+		dev_err(&pdev->dev, "Failed to add IRQ chip\n");
+		return ret;
+	}
+
+	ret = regmap_add_irq_chip(pmic->regmap, pmic->irq,
+				  IRQF_ONESHOT | IRQF_SHARED,
+				  0, &bxtwc_regmap_irq_chip_level2,
+				  &pmic->irq_chip_data_level2);
+	if (ret) {
+		dev_err(&pdev->dev, "Failed to add secondary IRQ chip\n");
+		goto err_irq_chip_level2;
+	}
+
+	ret = mfd_add_devices(&pdev->dev, PLATFORM_DEVID_NONE, bxt_wc_dev,
+			      ARRAY_SIZE(bxt_wc_dev), NULL, 0,
+			      NULL);
+	if (ret) {
+		dev_err(&pdev->dev, "Failed to add devices\n");
+		goto err_mfd;
+	}
+
+	ret = sysfs_create_group(&pdev->dev.kobj, &bxtwc_group);
+	if (ret) {
+		dev_err(&pdev->dev, "Failed to create sysfs group %d\n", ret);
+		goto err_sysfs;
+	}
+
+	return 0;
+
+err_sysfs:
+	mfd_remove_devices(&pdev->dev);
+err_mfd:
+	regmap_del_irq_chip(pmic->irq, pmic->irq_chip_data_level2);
+err_irq_chip_level2:
+	regmap_del_irq_chip(pmic->irq, pmic->irq_chip_data);
+
+	return ret;
+}
+
+static int bxtwc_remove(struct platform_device *pdev)
+{
+	struct intel_soc_pmic *pmic = dev_get_drvdata(&pdev->dev);
+
+	sysfs_remove_group(&pdev->dev.kobj, &bxtwc_group);
+	mfd_remove_devices(&pdev->dev);
+	regmap_del_irq_chip(pmic->irq, pmic->irq_chip_data);
+	regmap_del_irq_chip(pmic->irq, pmic->irq_chip_data_level2);
+
+	return 0;
+}
+
+static void bxtwc_shutdown(struct platform_device *pdev)
+{
+	struct intel_soc_pmic *pmic = dev_get_drvdata(&pdev->dev);
+
+	disable_irq(pmic->irq);
+}
+
+#ifdef CONFIG_PM_SLEEP
+static int bxtwc_suspend(struct device *dev)
+{
+	struct intel_soc_pmic *pmic = dev_get_drvdata(dev);
+
+	disable_irq(pmic->irq);
+
+	return 0;
+}
+
+static int bxtwc_resume(struct device *dev)
+{
+	struct intel_soc_pmic *pmic = dev_get_drvdata(dev);
+
+	enable_irq(pmic->irq);
+	return 0;
+}
+#endif
+static SIMPLE_DEV_PM_OPS(bxtwc_pm_ops, bxtwc_suspend, bxtwc_resume);
+
+static const struct acpi_device_id bxtwc_acpi_ids[] = {
+	{ "INT34D3", },
+	{ }
+};
+MODULE_DEVICE_TABLE(acpi, pmic_acpi_ids);
+
+static struct platform_driver bxtwc_driver = {
+	.probe = bxtwc_probe,
+	.remove	= bxtwc_remove,
+	.shutdown = bxtwc_shutdown,
+	.driver	= {
+		.name	= "BXTWC PMIC",
+		.pm     = &bxtwc_pm_ops,
+		.acpi_match_table = ACPI_PTR(bxtwc_acpi_ids),
+	},
+};
+
+module_platform_driver(bxtwc_driver);
+
+MODULE_LICENSE("GPL v2");
+MODULE_AUTHOR("Qipeng Zha<qipeng.zha@...el.com>");
diff --git a/include/linux/mfd/intel_bxtwc.h b/include/linux/mfd/intel_bxtwc.h
new file mode 100644
index 0000000..1a0ee9d
--- /dev/null
+++ b/include/linux/mfd/intel_bxtwc.h
@@ -0,0 +1,69 @@
+/*
+ * intel_bxtwc.h - Header file for Intel Broxton Whiskey Cove PMIC
+ *
+ * Copyright (C) 2015 Intel Corporation. All rights reserved.
+ *
+ * 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/mfd/intel_soc_pmic.h>
+
+#ifndef __INTEL_BXTWC_H__
+#define __INTEL_BXTWC_H__
+
+/* BXT WC devices */
+#define BXTWC_DEVICE1_ADDR		0x4E
+#define BXTWC_DEVICE2_ADDR		0x4F
+#define BXTWC_DEVICE3_ADDR		0x5E
+
+/* device1 Registers */
+#define BXTWC_CHIPID			0x4E00
+#define BXTWC_CHIPVER			0x4E01
+
+#define BXTWC_SCHGRIRQ0_ADDR		0x5E1A
+#define BXTWC_CHGRCTRL0_ADDR		0x5E16
+#define BXTWC_CHGRCTRL1_ADDR		0x5E17
+#define BXTWC_CHGRCTRL2_ADDR		0x5E18
+#define BXTWC_CHGRSTATUS_ADDR		0x5E19
+#define BXTWC_THRMBATZONE_ADDR		0x4F22
+
+#define BXTWC_USBPATH_ADDR		0x5E19
+#define BXTWC_USBPHYCTRL_ADDR		0x5E07
+#define BXTWC_USBIDCTRL_ADDR		0x5E05
+#define BXTWC_USBIDEN_MASK		0x01
+#define BXTWC_USBIDSTAT_ADDR		0x00FF
+#define BXTWC_USBSRCDETSTATUS_ADDR	0x5E29
+
+#define BXTWC_DBGUSBBC1_ADDR		0x5FE0
+#define BXTWC_DBGUSBBC2_ADDR		0x5FE1
+#define BXTWC_DBGUSBBCSTAT_ADDR		0x5FE2
+
+#define BXTWC_WAKESRC_ADDR		0x4E22
+#define BXTWC_WAKESRC2_ADDR		0x4EE5
+#define BXTWC_CHRTTADDR_ADDR		0x5E22
+#define BXTWC_CHRTTDATA_ADDR		0x5E23
+
+#define BXTWC_STHRMIRQ0_ADDR		0x4F19
+#define WC_MTHRMIRQ1_ADDR		0x4E12
+#define WC_STHRMIRQ1_ADDR		0x4F1A
+#define WC_STHRMIRQ2_ADDR		0x4F1B
+
+#define BXTWC_THRMZN0H_ADDR		0x4F44
+#define BXTWC_THRMZN0L_ADDR		0x4F45
+#define BXTWC_THRMZN1H_ADDR		0x4F46
+#define BXTWC_THRMZN1L_ADDR		0x4F47
+#define BXTWC_THRMZN2H_ADDR		0x4F48
+#define BXTWC_THRMZN2L_ADDR		0x4F49
+#define BXTWC_THRMZN3H_ADDR		0x4F4A
+#define BXTWC_THRMZN3L_ADDR		0x4F4B
+#define BXTWC_THRMZN4H_ADDR		0x4F4C
+#define BXTWC_THRMZN4L_ADDR		0x4F4D
+
+#endif
-- 
1.8.3.2

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