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[PATCH v6 2/3] mfd: tps65086: Add driver for the TPS65086 PMIC

Started by"Andrew F. Davis" <afd@ti.com>
First post2016-01-25 17:00 +0100
Last post2016-01-27 08:30 +0100
Articles 2 — 2 participants

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  [PATCH v6 2/3] mfd: tps65086: Add driver for the TPS65086 PMIC "Andrew F. Davis" <afd@ti.com> - 2016-01-25 17:00 +0100
    Re: [PATCH v6 2/3] mfd: tps65086: Add driver for the TPS65086 PMIC Lee Jones <lee.jones@linaro.org> - 2016-01-27 08:30 +0100

#1316874 — [PATCH v6 2/3] mfd: tps65086: Add driver for the TPS65086 PMIC

From"Andrew F. Davis" <afd@ti.com>
Date2016-01-25 17:00 +0100
Subject[PATCH v6 2/3] mfd: tps65086: Add driver for the TPS65086 PMIC
Message-ID<qURIC-68y-5@gated-at.bofh.it>
Add support for the TPS65912 device. It provides communication
through I2C and contains the following components:

 - Regulators
 - Load switches
 - GPO controller

Signed-off-by: Andrew F. Davis <afd@ti.com>
Acked-by: Lee Jones <lee.jones@linaro.org>
---
 drivers/mfd/Kconfig          |  13 ++++
 drivers/mfd/Makefile         |   1 +
 drivers/mfd/tps65086.c       | 149 +++++++++++++++++++++++++++++++++++++++++++
 include/linux/mfd/tps65086.h | 117 +++++++++++++++++++++++++++++++++
 4 files changed, 280 insertions(+)
 create mode 100644 drivers/mfd/tps65086.c
 create mode 100644 include/linux/mfd/tps65086.h

diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig
index 9ca66de..fe6d62b 100644
--- a/drivers/mfd/Kconfig
+++ b/drivers/mfd/Kconfig
@@ -1106,6 +1106,19 @@ config TPS6507X
 	  This driver can also be built as a module.  If so, the module
 	  will be called tps6507x.
 
+config MFD_TPS65086
+	tristate "TI TPS65086 Power Management Integrated Chips (PMICs)"
+	select REGMAP
+	select REGMAP_IRQ
+	select REGMAP_I2C
+	depends on I2C
+	help
+	  If you say yes here you get support for the TPS65086 series of
+	  Power Management chips.
+	  This driver provides common support for accessing the device,
+	  additional drivers must be enabled in order to use the
+	  functionality of the device.
+
 config TPS65911_COMPARATOR
 	tristate
 
diff --git a/drivers/mfd/Makefile b/drivers/mfd/Makefile
index 0f230a6..06801aa 100644
--- a/drivers/mfd/Makefile
+++ b/drivers/mfd/Makefile
@@ -70,6 +70,7 @@ obj-$(CONFIG_MFD_WM8994)	+= wm8994.o
 obj-$(CONFIG_TPS6105X)		+= tps6105x.o
 obj-$(CONFIG_TPS65010)		+= tps65010.o
 obj-$(CONFIG_TPS6507X)		+= tps6507x.o
+obj-$(CONFIG_MFD_TPS65086)	+= tps65086.o
 obj-$(CONFIG_MFD_TPS65217)	+= tps65217.o
 obj-$(CONFIG_MFD_TPS65218)	+= tps65218.o
 obj-$(CONFIG_MFD_TPS65910)	+= tps65910.o
diff --git a/drivers/mfd/tps65086.c b/drivers/mfd/tps65086.c
new file mode 100644
index 0000000..43119a6
--- /dev/null
+++ b/drivers/mfd/tps65086.c
@@ -0,0 +1,149 @@
+/*
+ * Copyright (C) 2015 Texas Instruments Incorporated - http://www.ti.com/
+ *	Andrew F. Davis <afd@ti.com>
+ *
+ * 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 "as is" WITHOUT ANY WARRANTY of any
+ * kind, whether expressed or implied; without even the implied warranty
+ * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License version 2 for more details.
+ *
+ * Based on the TPS65912 driver
+ */
+
+#include <linux/i2c.h>
+#include <linux/interrupt.h>
+#include <linux/mfd/core.h>
+#include <linux/module.h>
+
+#include <linux/mfd/tps65086.h>
+
+static const struct mfd_cell tps65086_cells[] = {
+	{ .name = "tps65086-regulator", },
+	{ .name = "tps65086-gpio", },
+};
+
+static const struct regmap_range tps65086_yes_ranges[] = {
+	regmap_reg_range(TPS65086_IRQ, TPS65086_IRQ),
+	regmap_reg_range(TPS65086_PMICSTAT, TPS65086_SHUTDNSRC),
+	regmap_reg_range(TPS65086_GPOCTRL, TPS65086_GPOCTRL),
+	regmap_reg_range(TPS65086_PG_STATUS1, TPS65086_OC_STATUS),
+};
+
+static const struct regmap_access_table tps65086_volatile_table = {
+	.yes_ranges = tps65086_yes_ranges,
+	.n_yes_ranges = ARRAY_SIZE(tps65086_yes_ranges),
+};
+
+static const struct regmap_config tps65086_regmap_config = {
+	.reg_bits = 8,
+	.val_bits = 8,
+	.cache_type = REGCACHE_RBTREE,
+	.volatile_table = &tps65086_volatile_table,
+};
+
+static const struct regmap_irq tps65086_irqs[] = {
+	REGMAP_IRQ_REG(TPS65086_IRQ_DIETEMP, 0, TPS65086_IRQ_DIETEMP_MASK),
+	REGMAP_IRQ_REG(TPS65086_IRQ_SHUTDN, 0, TPS65086_IRQ_SHUTDN_MASK),
+	REGMAP_IRQ_REG(TPS65086_IRQ_FAULT, 0, TPS65086_IRQ_FAULT_MASK),
+};
+
+static struct regmap_irq_chip tps65086_irq_chip = {
+	.name = "tps65086",
+	.status_base = TPS65086_IRQ,
+	.mask_base = TPS65086_IRQ_MASK,
+	.ack_base = TPS65086_IRQ,
+	.init_ack_masked = true,
+	.num_regs = 1,
+	.irqs = tps65086_irqs,
+	.num_irqs = ARRAY_SIZE(tps65086_irqs),
+};
+
+static const struct of_device_id tps65086_of_match_table[] = {
+	{ .compatible = "ti,tps65086", },
+	{ /* sentinel */ }
+};
+MODULE_DEVICE_TABLE(of, tps65086_of_match_table);
+
+static int tps65086_probe(struct i2c_client *client,
+			  const struct i2c_device_id *ids)
+{
+	struct tps65086 *tps;
+	unsigned int version;
+	int ret;
+
+	tps = devm_kzalloc(&client->dev, sizeof(*tps), GFP_KERNEL);
+	if (!tps)
+		return -ENOMEM;
+
+	i2c_set_clientdata(client, tps);
+	tps->dev = &client->dev;
+	tps->irq = client->irq;
+
+	tps->regmap = devm_regmap_init_i2c(client, &tps65086_regmap_config);
+	if (IS_ERR(tps->regmap)) {
+		dev_err(tps->dev, "Failed to initialize register map\n");
+		return PTR_ERR(tps->regmap);
+	}
+
+	ret = regmap_read(tps->regmap, TPS65086_DEVICEID, &version);
+	if (ret) {
+		dev_err(tps->dev, "Failed to read revision register\n");
+		return ret;
+	}
+
+	dev_info(tps->dev, "Device: TPS65086%01lX, OTP: %c, Rev: %ld\n",
+		 (version & TPS65086_DEVICEID_PART_MASK),
+		 (char)((version & TPS65086_DEVICEID_OTP_MASK) >> 4) + 'A',
+		 (version & TPS65086_DEVICEID_REV_MASK) >> 6);
+
+	ret = regmap_add_irq_chip(tps->regmap, tps->irq, IRQF_ONESHOT, 0,
+				  &tps65086_irq_chip, &tps->irq_data);
+	if (ret) {
+		dev_err(tps->dev, "Failed to register IRQ chip\n");
+		return ret;
+	}
+
+	ret = mfd_add_devices(tps->dev, PLATFORM_DEVID_AUTO, tps65086_cells,
+			      ARRAY_SIZE(tps65086_cells), NULL, 0,
+			      regmap_irq_get_domain(tps->irq_data));
+	if (ret) {
+		regmap_del_irq_chip(tps->irq, tps->irq_data);
+		return ret;
+	}
+
+	return 0;
+}
+
+static int tps65086_remove(struct i2c_client *client)
+{
+	struct tps65086 *tps = i2c_get_clientdata(client);
+
+	regmap_del_irq_chip(tps->irq, tps->irq_data);
+
+	return 0;
+}
+
+static const struct i2c_device_id tps65086_id_table[] = {
+	{ "tps65086", 0 },
+	{ /* sentinel */ }
+};
+MODULE_DEVICE_TABLE(i2c, tps65086_id_table);
+
+static struct i2c_driver tps65086_driver = {
+	.driver		= {
+		.name	= "tps65086",
+		.of_match_table = tps65086_of_match_table,
+	},
+	.probe		= tps65086_probe,
+	.remove		= tps65086_remove,
+	.id_table       = tps65086_id_table,
+};
+module_i2c_driver(tps65086_driver);
+
+MODULE_AUTHOR("Andrew F. Davis <afd@ti.com>");
+MODULE_DESCRIPTION("TPS65086 PMIC Driver");
+MODULE_LICENSE("GPL v2");
diff --git a/include/linux/mfd/tps65086.h b/include/linux/mfd/tps65086.h
new file mode 100644
index 0000000..a228ae4
--- /dev/null
+++ b/include/linux/mfd/tps65086.h
@@ -0,0 +1,117 @@
+/*
+ * Copyright (C) 2015 Texas Instruments Incorporated - http://www.ti.com/
+ *	Andrew F. Davis <afd@ti.com>
+ *
+ * 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 "as is" WITHOUT ANY WARRANTY of any
+ * kind, whether expressed or implied; without even the implied warranty
+ * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License version 2 for more details.
+ *
+ * Based on the TPS65912 driver
+ */
+
+#ifndef __LINUX_MFD_TPS65086_H
+#define __LINUX_MFD_TPS65086_H
+
+#include <linux/device.h>
+#include <linux/regmap.h>
+
+/* List of registers for TPS65086 */
+#define TPS65086_DEVICEID		0x01
+#define TPS65086_IRQ			0x02
+#define TPS65086_IRQ_MASK		0x03
+#define TPS65086_PMICSTAT		0x04
+#define TPS65086_SHUTDNSRC		0x05
+#define TPS65086_BUCK1CTRL		0x20
+#define TPS65086_BUCK2CTRL		0x21
+#define TPS65086_BUCK3DECAY		0x22
+#define TPS65086_BUCK3VID		0x23
+#define TPS65086_BUCK3SLPCTRL		0x24
+#define TPS65086_BUCK4CTRL		0x25
+#define TPS65086_BUCK5CTRL		0x26
+#define TPS65086_BUCK6CTRL		0x27
+#define TPS65086_LDOA2CTRL		0x28
+#define TPS65086_LDOA3CTRL		0x29
+#define TPS65086_DISCHCTRL1		0x40
+#define TPS65086_DISCHCTRL2		0x41
+#define TPS65086_DISCHCTRL3		0x42
+#define TPS65086_PG_DELAY1		0x43
+#define TPS65086_FORCESHUTDN		0x91
+#define TPS65086_BUCK1SLPCTRL		0x92
+#define TPS65086_BUCK2SLPCTRL		0x93
+#define TPS65086_BUCK4VID		0x94
+#define TPS65086_BUCK4SLPVID		0x95
+#define TPS65086_BUCK5VID		0x96
+#define TPS65086_BUCK5SLPVID		0x97
+#define TPS65086_BUCK6VID		0x98
+#define TPS65086_BUCK6SLPVID		0x99
+#define TPS65086_LDOA2VID		0x9A
+#define TPS65086_LDOA3VID		0x9B
+#define TPS65086_BUCK123CTRL		0x9C
+#define TPS65086_PG_DELAY2		0x9D
+#define TPS65086_PIN_EN_MASK1		0x9E
+#define TPS65086_PIN_EN_MASK2		0x9F
+#define TPS65086_SWVTT_EN		0x9F
+#define TPS65086_PIN_EN_OVR1		0xA0
+#define TPS65086_PIN_EN_OVR2		0xA1
+#define TPS65086_GPOCTRL		0xA1
+#define TPS65086_PWR_FAULT_MASK1	0xA2
+#define TPS65086_PWR_FAULT_MASK2	0xA3
+#define TPS65086_GPO1PG_CTRL1		0xA4
+#define TPS65086_GPO1PG_CTRL2		0xA5
+#define TPS65086_GPO4PG_CTRL1		0xA6
+#define TPS65086_GPO4PG_CTRL2		0xA7
+#define TPS65086_GPO2PG_CTRL1		0xA8
+#define TPS65086_GPO2PG_CTRL2		0xA9
+#define TPS65086_GPO3PG_CTRL1		0xAA
+#define TPS65086_GPO3PG_CTRL2		0xAB
+#define TPS65086_LDOA1CTRL		0xAE
+#define TPS65086_PG_STATUS1		0xB0
+#define TPS65086_PG_STATUS2		0xB1
+#define TPS65086_PWR_FAULT_STATUS1	0xB2
+#define TPS65086_PWR_FAULT_STATUS2	0xB3
+#define TPS65086_TEMPCRIT		0xB4
+#define TPS65086_TEMPHOT		0xB5
+#define TPS65086_OC_STATUS		0xB6
+
+/* IRQ Register field definitions */
+#define TPS65086_IRQ_DIETEMP_MASK	BIT(0)
+#define TPS65086_IRQ_SHUTDN_MASK	BIT(3)
+#define TPS65086_IRQ_FAULT_MASK		BIT(7)
+
+/* DEVICEID Register field definitions */
+#define TPS65086_DEVICEID_PART_MASK	GENMASK(3, 0)
+#define TPS65086_DEVICEID_OTP_MASK	GENMASK(5, 4)
+#define TPS65086_DEVICEID_REV_MASK	GENMASK(7, 6)
+
+/* VID Masks */
+#define BUCK_VID_MASK			GENMASK(7, 1)
+#define VDOA1_VID_MASK			GENMASK(4, 1)
+#define VDOA23_VID_MASK			GENMASK(3, 0)
+
+/* Define the TPS65086 IRQ numbers */
+enum tps65086_irqs {
+	TPS65086_IRQ_DIETEMP,
+	TPS65086_IRQ_SHUTDN,
+	TPS65086_IRQ_FAULT,
+};
+
+/**
+ * struct tps65086 - state holder for the tps65086 driver
+ *
+ * Device data may be used to access the TPS65086 chip
+ */
+struct tps65086 {
+	struct device *dev;
+	struct regmap *regmap;
+
+	/* IRQ Data */
+	int irq;
+	struct regmap_irq_chip_data *irq_data;
+};
+
+#endif /* __LINUX_MFD_TPS65086_H */
-- 
2.7.0

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#1318719

FromLee Jones <lee.jones@linaro.org>
Date2016-01-27 08:30 +0100
Message-ID<qVsIa-8rt-17@gated-at.bofh.it>
In reply to#1316874
On Mon, 25 Jan 2016, Andrew F. Davis wrote:

> Add support for the TPS65912 device. It provides communication
> through I2C and contains the following components:
> 
>  - Regulators
>  - Load switches
>  - GPO controller
> 
> Signed-off-by: Andrew F. Davis <afd@ti.com>
> Acked-by: Lee Jones <lee.jones@linaro.org>
> ---
>  drivers/mfd/Kconfig          |  13 ++++
>  drivers/mfd/Makefile         |   1 +
>  drivers/mfd/tps65086.c       | 149 +++++++++++++++++++++++++++++++++++++++++++
>  include/linux/mfd/tps65086.h | 117 +++++++++++++++++++++++++++++++++
>  4 files changed, 280 insertions(+)
>  create mode 100644 drivers/mfd/tps65086.c
>  create mode 100644 include/linux/mfd/tps65086.h

Applied, thanks.

> diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig
> index 9ca66de..fe6d62b 100644
> --- a/drivers/mfd/Kconfig
> +++ b/drivers/mfd/Kconfig
> @@ -1106,6 +1106,19 @@ config TPS6507X
>  	  This driver can also be built as a module.  If so, the module
>  	  will be called tps6507x.
>  
> +config MFD_TPS65086
> +	tristate "TI TPS65086 Power Management Integrated Chips (PMICs)"
> +	select REGMAP
> +	select REGMAP_IRQ
> +	select REGMAP_I2C
> +	depends on I2C
> +	help
> +	  If you say yes here you get support for the TPS65086 series of
> +	  Power Management chips.
> +	  This driver provides common support for accessing the device,
> +	  additional drivers must be enabled in order to use the
> +	  functionality of the device.
> +
>  config TPS65911_COMPARATOR
>  	tristate
>  
> diff --git a/drivers/mfd/Makefile b/drivers/mfd/Makefile
> index 0f230a6..06801aa 100644
> --- a/drivers/mfd/Makefile
> +++ b/drivers/mfd/Makefile
> @@ -70,6 +70,7 @@ obj-$(CONFIG_MFD_WM8994)	+= wm8994.o
>  obj-$(CONFIG_TPS6105X)		+= tps6105x.o
>  obj-$(CONFIG_TPS65010)		+= tps65010.o
>  obj-$(CONFIG_TPS6507X)		+= tps6507x.o
> +obj-$(CONFIG_MFD_TPS65086)	+= tps65086.o
>  obj-$(CONFIG_MFD_TPS65217)	+= tps65217.o
>  obj-$(CONFIG_MFD_TPS65218)	+= tps65218.o
>  obj-$(CONFIG_MFD_TPS65910)	+= tps65910.o
> diff --git a/drivers/mfd/tps65086.c b/drivers/mfd/tps65086.c
> new file mode 100644
> index 0000000..43119a6
> --- /dev/null
> +++ b/drivers/mfd/tps65086.c
> @@ -0,0 +1,149 @@
> +/*
> + * Copyright (C) 2015 Texas Instruments Incorporated - http://www.ti.com/
> + *	Andrew F. Davis <afd@ti.com>
> + *
> + * 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 "as is" WITHOUT ANY WARRANTY of any
> + * kind, whether expressed or implied; without even the implied warranty
> + * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
> + * GNU General Public License version 2 for more details.
> + *
> + * Based on the TPS65912 driver
> + */
> +
> +#include <linux/i2c.h>
> +#include <linux/interrupt.h>
> +#include <linux/mfd/core.h>
> +#include <linux/module.h>
> +
> +#include <linux/mfd/tps65086.h>
> +
> +static const struct mfd_cell tps65086_cells[] = {
> +	{ .name = "tps65086-regulator", },
> +	{ .name = "tps65086-gpio", },
> +};
> +
> +static const struct regmap_range tps65086_yes_ranges[] = {
> +	regmap_reg_range(TPS65086_IRQ, TPS65086_IRQ),
> +	regmap_reg_range(TPS65086_PMICSTAT, TPS65086_SHUTDNSRC),
> +	regmap_reg_range(TPS65086_GPOCTRL, TPS65086_GPOCTRL),
> +	regmap_reg_range(TPS65086_PG_STATUS1, TPS65086_OC_STATUS),
> +};
> +
> +static const struct regmap_access_table tps65086_volatile_table = {
> +	.yes_ranges = tps65086_yes_ranges,
> +	.n_yes_ranges = ARRAY_SIZE(tps65086_yes_ranges),
> +};
> +
> +static const struct regmap_config tps65086_regmap_config = {
> +	.reg_bits = 8,
> +	.val_bits = 8,
> +	.cache_type = REGCACHE_RBTREE,
> +	.volatile_table = &tps65086_volatile_table,
> +};
> +
> +static const struct regmap_irq tps65086_irqs[] = {
> +	REGMAP_IRQ_REG(TPS65086_IRQ_DIETEMP, 0, TPS65086_IRQ_DIETEMP_MASK),
> +	REGMAP_IRQ_REG(TPS65086_IRQ_SHUTDN, 0, TPS65086_IRQ_SHUTDN_MASK),
> +	REGMAP_IRQ_REG(TPS65086_IRQ_FAULT, 0, TPS65086_IRQ_FAULT_MASK),
> +};
> +
> +static struct regmap_irq_chip tps65086_irq_chip = {
> +	.name = "tps65086",
> +	.status_base = TPS65086_IRQ,
> +	.mask_base = TPS65086_IRQ_MASK,
> +	.ack_base = TPS65086_IRQ,
> +	.init_ack_masked = true,
> +	.num_regs = 1,
> +	.irqs = tps65086_irqs,
> +	.num_irqs = ARRAY_SIZE(tps65086_irqs),
> +};
> +
> +static const struct of_device_id tps65086_of_match_table[] = {
> +	{ .compatible = "ti,tps65086", },
> +	{ /* sentinel */ }
> +};
> +MODULE_DEVICE_TABLE(of, tps65086_of_match_table);
> +
> +static int tps65086_probe(struct i2c_client *client,
> +			  const struct i2c_device_id *ids)
> +{
> +	struct tps65086 *tps;
> +	unsigned int version;
> +	int ret;
> +
> +	tps = devm_kzalloc(&client->dev, sizeof(*tps), GFP_KERNEL);
> +	if (!tps)
> +		return -ENOMEM;
> +
> +	i2c_set_clientdata(client, tps);
> +	tps->dev = &client->dev;
> +	tps->irq = client->irq;
> +
> +	tps->regmap = devm_regmap_init_i2c(client, &tps65086_regmap_config);
> +	if (IS_ERR(tps->regmap)) {
> +		dev_err(tps->dev, "Failed to initialize register map\n");
> +		return PTR_ERR(tps->regmap);
> +	}
> +
> +	ret = regmap_read(tps->regmap, TPS65086_DEVICEID, &version);
> +	if (ret) {
> +		dev_err(tps->dev, "Failed to read revision register\n");
> +		return ret;
> +	}
> +
> +	dev_info(tps->dev, "Device: TPS65086%01lX, OTP: %c, Rev: %ld\n",
> +		 (version & TPS65086_DEVICEID_PART_MASK),
> +		 (char)((version & TPS65086_DEVICEID_OTP_MASK) >> 4) + 'A',
> +		 (version & TPS65086_DEVICEID_REV_MASK) >> 6);
> +
> +	ret = regmap_add_irq_chip(tps->regmap, tps->irq, IRQF_ONESHOT, 0,
> +				  &tps65086_irq_chip, &tps->irq_data);
> +	if (ret) {
> +		dev_err(tps->dev, "Failed to register IRQ chip\n");
> +		return ret;
> +	}
> +
> +	ret = mfd_add_devices(tps->dev, PLATFORM_DEVID_AUTO, tps65086_cells,
> +			      ARRAY_SIZE(tps65086_cells), NULL, 0,
> +			      regmap_irq_get_domain(tps->irq_data));
> +	if (ret) {
> +		regmap_del_irq_chip(tps->irq, tps->irq_data);
> +		return ret;
> +	}
> +
> +	return 0;
> +}
> +
> +static int tps65086_remove(struct i2c_client *client)
> +{
> +	struct tps65086 *tps = i2c_get_clientdata(client);
> +
> +	regmap_del_irq_chip(tps->irq, tps->irq_data);
> +
> +	return 0;
> +}
> +
> +static const struct i2c_device_id tps65086_id_table[] = {
> +	{ "tps65086", 0 },
> +	{ /* sentinel */ }
> +};
> +MODULE_DEVICE_TABLE(i2c, tps65086_id_table);
> +
> +static struct i2c_driver tps65086_driver = {
> +	.driver		= {
> +		.name	= "tps65086",
> +		.of_match_table = tps65086_of_match_table,
> +	},
> +	.probe		= tps65086_probe,
> +	.remove		= tps65086_remove,
> +	.id_table       = tps65086_id_table,
> +};
> +module_i2c_driver(tps65086_driver);
> +
> +MODULE_AUTHOR("Andrew F. Davis <afd@ti.com>");
> +MODULE_DESCRIPTION("TPS65086 PMIC Driver");
> +MODULE_LICENSE("GPL v2");
> diff --git a/include/linux/mfd/tps65086.h b/include/linux/mfd/tps65086.h
> new file mode 100644
> index 0000000..a228ae4
> --- /dev/null
> +++ b/include/linux/mfd/tps65086.h
> @@ -0,0 +1,117 @@
> +/*
> + * Copyright (C) 2015 Texas Instruments Incorporated - http://www.ti.com/
> + *	Andrew F. Davis <afd@ti.com>
> + *
> + * 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 "as is" WITHOUT ANY WARRANTY of any
> + * kind, whether expressed or implied; without even the implied warranty
> + * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
> + * GNU General Public License version 2 for more details.
> + *
> + * Based on the TPS65912 driver
> + */
> +
> +#ifndef __LINUX_MFD_TPS65086_H
> +#define __LINUX_MFD_TPS65086_H
> +
> +#include <linux/device.h>
> +#include <linux/regmap.h>
> +
> +/* List of registers for TPS65086 */
> +#define TPS65086_DEVICEID		0x01
> +#define TPS65086_IRQ			0x02
> +#define TPS65086_IRQ_MASK		0x03
> +#define TPS65086_PMICSTAT		0x04
> +#define TPS65086_SHUTDNSRC		0x05
> +#define TPS65086_BUCK1CTRL		0x20
> +#define TPS65086_BUCK2CTRL		0x21
> +#define TPS65086_BUCK3DECAY		0x22
> +#define TPS65086_BUCK3VID		0x23
> +#define TPS65086_BUCK3SLPCTRL		0x24
> +#define TPS65086_BUCK4CTRL		0x25
> +#define TPS65086_BUCK5CTRL		0x26
> +#define TPS65086_BUCK6CTRL		0x27
> +#define TPS65086_LDOA2CTRL		0x28
> +#define TPS65086_LDOA3CTRL		0x29
> +#define TPS65086_DISCHCTRL1		0x40
> +#define TPS65086_DISCHCTRL2		0x41
> +#define TPS65086_DISCHCTRL3		0x42
> +#define TPS65086_PG_DELAY1		0x43
> +#define TPS65086_FORCESHUTDN		0x91
> +#define TPS65086_BUCK1SLPCTRL		0x92
> +#define TPS65086_BUCK2SLPCTRL		0x93
> +#define TPS65086_BUCK4VID		0x94
> +#define TPS65086_BUCK4SLPVID		0x95
> +#define TPS65086_BUCK5VID		0x96
> +#define TPS65086_BUCK5SLPVID		0x97
> +#define TPS65086_BUCK6VID		0x98
> +#define TPS65086_BUCK6SLPVID		0x99
> +#define TPS65086_LDOA2VID		0x9A
> +#define TPS65086_LDOA3VID		0x9B
> +#define TPS65086_BUCK123CTRL		0x9C
> +#define TPS65086_PG_DELAY2		0x9D
> +#define TPS65086_PIN_EN_MASK1		0x9E
> +#define TPS65086_PIN_EN_MASK2		0x9F
> +#define TPS65086_SWVTT_EN		0x9F
> +#define TPS65086_PIN_EN_OVR1		0xA0
> +#define TPS65086_PIN_EN_OVR2		0xA1
> +#define TPS65086_GPOCTRL		0xA1
> +#define TPS65086_PWR_FAULT_MASK1	0xA2
> +#define TPS65086_PWR_FAULT_MASK2	0xA3
> +#define TPS65086_GPO1PG_CTRL1		0xA4
> +#define TPS65086_GPO1PG_CTRL2		0xA5
> +#define TPS65086_GPO4PG_CTRL1		0xA6
> +#define TPS65086_GPO4PG_CTRL2		0xA7
> +#define TPS65086_GPO2PG_CTRL1		0xA8
> +#define TPS65086_GPO2PG_CTRL2		0xA9
> +#define TPS65086_GPO3PG_CTRL1		0xAA
> +#define TPS65086_GPO3PG_CTRL2		0xAB
> +#define TPS65086_LDOA1CTRL		0xAE
> +#define TPS65086_PG_STATUS1		0xB0
> +#define TPS65086_PG_STATUS2		0xB1
> +#define TPS65086_PWR_FAULT_STATUS1	0xB2
> +#define TPS65086_PWR_FAULT_STATUS2	0xB3
> +#define TPS65086_TEMPCRIT		0xB4
> +#define TPS65086_TEMPHOT		0xB5
> +#define TPS65086_OC_STATUS		0xB6
> +
> +/* IRQ Register field definitions */
> +#define TPS65086_IRQ_DIETEMP_MASK	BIT(0)
> +#define TPS65086_IRQ_SHUTDN_MASK	BIT(3)
> +#define TPS65086_IRQ_FAULT_MASK		BIT(7)
> +
> +/* DEVICEID Register field definitions */
> +#define TPS65086_DEVICEID_PART_MASK	GENMASK(3, 0)
> +#define TPS65086_DEVICEID_OTP_MASK	GENMASK(5, 4)
> +#define TPS65086_DEVICEID_REV_MASK	GENMASK(7, 6)
> +
> +/* VID Masks */
> +#define BUCK_VID_MASK			GENMASK(7, 1)
> +#define VDOA1_VID_MASK			GENMASK(4, 1)
> +#define VDOA23_VID_MASK			GENMASK(3, 0)
> +
> +/* Define the TPS65086 IRQ numbers */
> +enum tps65086_irqs {
> +	TPS65086_IRQ_DIETEMP,
> +	TPS65086_IRQ_SHUTDN,
> +	TPS65086_IRQ_FAULT,
> +};
> +
> +/**
> + * struct tps65086 - state holder for the tps65086 driver
> + *
> + * Device data may be used to access the TPS65086 chip
> + */
> +struct tps65086 {
> +	struct device *dev;
> +	struct regmap *regmap;
> +
> +	/* IRQ Data */
> +	int irq;
> +	struct regmap_irq_chip_data *irq_data;
> +};
> +
> +#endif /* __LINUX_MFD_TPS65086_H */

-- 
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
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