Re: [PATCH v4 3/5] mfd: tps65912: Add driver for the TPS65912 PMIC

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On Mon, 05 Oct 2015, Lee Jones wrote:

> On Thu, 01 Oct 2015, Andrew F. Davis wrote:
> 
> > This patch adds support for TPS65912 mfd device. It provides
> > communication through the I2C and SPI interfaces. It contains
> > the following components:
> > 
> >  - Regulators
> >  - GPIO controller
> > 
> > Signed-off-by: Andrew F. Davis <afd@xxxxxx>
> > ---
> >  drivers/mfd/Kconfig          |  25 ++++
> >  drivers/mfd/Makefile         |   3 +
> >  drivers/mfd/tps65912-core.c  | 108 ++++++++++++++
> >  drivers/mfd/tps65912-i2c.c   |  82 ++++++++++
> >  drivers/mfd/tps65912-spi.c   |  81 ++++++++++
> >  include/linux/mfd/tps65912.h | 345 +++++++++++++++++++++++++++++++++++++++++++
> >  6 files changed, 644 insertions(+)
> >  create mode 100644 drivers/mfd/tps65912-core.c
> >  create mode 100644 drivers/mfd/tps65912-i2c.c
> >  create mode 100644 drivers/mfd/tps65912-spi.c
> >  create mode 100644 include/linux/mfd/tps65912.h
> 
> Applied, thanks.

Whoops, I forgot about the removal patch.

For this patch:
  Acked-by: Lee Jones <lee.jones@xxxxxxxxxx>

Can you break up the removal patch into subsystems as well?

> > diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig
> > index 9a8df8e..02b321f 100644
> > --- a/drivers/mfd/Kconfig
> > +++ b/drivers/mfd/Kconfig
> > @@ -1167,6 +1167,31 @@ config MFD_TPS65910
> >  	  if you say yes here you get support for the TPS65910 series of
> >  	  Power Management chips.
> >  
> > +config MFD_TPS65912
> > +	tristate
> > +	select REGMAP
> > +	select REGMAP_IRQ
> > +
> > +config MFD_TPS65912_I2C
> > +	tristate "TI TPS65912 Power Management chip with I2C"
> > +	select MFD_TPS65912
> > +	select REGMAP_I2C
> > +	depends on I2C
> > +	depends on OF || COMPILE_TEST
> > +	help
> > +	  If you say yes here you get support for the TPS65912 series of
> > +	  PM chips with I2C interface.
> > +
> > +config MFD_TPS65912_SPI
> > +	tristate "TI TPS65912 Power Management chip with SPI"
> > +	select MFD_TPS65912
> > +	select REGMAP_SPI
> > +	depends on SPI_MASTER
> > +	depends on OF || COMPILE_TEST
> > +	help
> > +	  If you say yes here you get support for the TPS65912 series of
> > +	  PM chips with SPI interface.
> > +
> >  config MFD_TPS80031
> >  	bool "TI TPS80031/TPS80032 Power Management chips"
> >  	depends on I2C=y
> > diff --git a/drivers/mfd/Makefile b/drivers/mfd/Makefile
> > index 004aa76..49c3530 100644
> > --- a/drivers/mfd/Makefile
> > +++ b/drivers/mfd/Makefile
> > @@ -69,6 +69,9 @@ obj-$(CONFIG_TPS6507X)		+= tps6507x.o
> >  obj-$(CONFIG_MFD_TPS65217)	+= tps65217.o
> >  obj-$(CONFIG_MFD_TPS65218)	+= tps65218.o
> >  obj-$(CONFIG_MFD_TPS65910)	+= tps65910.o
> > +obj-$(CONFIG_MFD_TPS65912)	+= tps65912-core.o
> > +obj-$(CONFIG_MFD_TPS65912_I2C)	+= tps65912-i2c.o
> > +obj-$(CONFIG_MFD_TPS65912_SPI)  += tps65912-spi.o
> >  obj-$(CONFIG_MFD_TPS80031)	+= tps80031.o
> >  obj-$(CONFIG_MENELAUS)		+= menelaus.o
> >  
> > diff --git a/drivers/mfd/tps65912-core.c b/drivers/mfd/tps65912-core.c
> > new file mode 100644
> > index 0000000..e787950
> > --- /dev/null
> > +++ b/drivers/mfd/tps65912-core.c
> > @@ -0,0 +1,108 @@
> > +/*
> > + * Core functions for TI TPS65912x PMIC
> > + *
> > + * Copyright (C) 2015 Texas Instruments Incorporated - http://www.ti.com/
> > + *
> > + * Author: Andrew F. Davis <afd@xxxxxx>
> > + *
> > + * 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 TPS65218 driver and the previous TPS65912 driver by
> > + * Margarita Olaya Cabrera <magi@xxxxxxxxxxxxxxx>
> > + */
> > +
> > +#include <linux/interrupt.h>
> > +#include <linux/module.h>
> > +#include <linux/of_device.h>
> > +
> > +#include <linux/mfd/tps65912.h>
> > +
> > +static const struct regmap_irq tps65912_irqs[] = {
> > +	/* INT_STS IRQs */
> > +	REGMAP_IRQ_REG(TPS65912_IRQ_PWRHOLD_F, 0, TPS65912_INT_STS_PWRHOLD_F),
> > +	REGMAP_IRQ_REG(TPS65912_IRQ_VMON, 0, TPS65912_INT_STS_VMON),
> > +	REGMAP_IRQ_REG(TPS65912_IRQ_PWRON, 0, TPS65912_INT_STS_PWRON),
> > +	REGMAP_IRQ_REG(TPS65912_IRQ_PWRON_LP, 0, TPS65912_INT_STS_PWRON_LP),
> > +	REGMAP_IRQ_REG(TPS65912_IRQ_PWRHOLD_R, 0, TPS65912_INT_STS_PWRHOLD_R),
> > +	REGMAP_IRQ_REG(TPS65912_IRQ_HOTDIE, 0, TPS65912_INT_STS_HOTDIE),
> > +	REGMAP_IRQ_REG(TPS65912_IRQ_GPIO1_R, 0, TPS65912_INT_STS_GPIO1_R),
> > +	REGMAP_IRQ_REG(TPS65912_IRQ_GPIO1_F, 0, TPS65912_INT_STS_GPIO1_F),
> > +	/* INT_STS2 IRQs */
> > +	REGMAP_IRQ_REG(TPS65912_IRQ_GPIO2_R, 1, TPS65912_INT_STS2_GPIO2_R),
> > +	REGMAP_IRQ_REG(TPS65912_IRQ_GPIO2_F, 1, TPS65912_INT_STS2_GPIO2_F),
> > +	REGMAP_IRQ_REG(TPS65912_IRQ_GPIO3_R, 1, TPS65912_INT_STS2_GPIO3_R),
> > +	REGMAP_IRQ_REG(TPS65912_IRQ_GPIO3_F, 1, TPS65912_INT_STS2_GPIO3_F),
> > +	REGMAP_IRQ_REG(TPS65912_IRQ_GPIO4_R, 1, TPS65912_INT_STS2_GPIO4_R),
> > +	REGMAP_IRQ_REG(TPS65912_IRQ_GPIO4_F, 1, TPS65912_INT_STS2_GPIO4_F),
> > +	REGMAP_IRQ_REG(TPS65912_IRQ_GPIO5_R, 1, TPS65912_INT_STS2_GPIO5_R),
> > +	REGMAP_IRQ_REG(TPS65912_IRQ_GPIO5_F, 1, TPS65912_INT_STS2_GPIO5_F),
> > +	/* INT_STS3 IRQs */
> > +	REGMAP_IRQ_REG(TPS65912_IRQ_PGOOD_DCDC1, 2, TPS65912_INT_STS3_PGOOD_DCDC1),
> > +	REGMAP_IRQ_REG(TPS65912_IRQ_PGOOD_DCDC2, 2, TPS65912_INT_STS3_PGOOD_DCDC2),
> > +	REGMAP_IRQ_REG(TPS65912_IRQ_PGOOD_DCDC3, 2, TPS65912_INT_STS3_PGOOD_DCDC3),
> > +	REGMAP_IRQ_REG(TPS65912_IRQ_PGOOD_DCDC4, 2, TPS65912_INT_STS3_PGOOD_DCDC4),
> > +	REGMAP_IRQ_REG(TPS65912_IRQ_PGOOD_LDO1, 2, TPS65912_INT_STS3_PGOOD_LDO1),
> > +	REGMAP_IRQ_REG(TPS65912_IRQ_PGOOD_LDO2, 2, TPS65912_INT_STS3_PGOOD_LDO2),
> > +	REGMAP_IRQ_REG(TPS65912_IRQ_PGOOD_LDO3, 2, TPS65912_INT_STS3_PGOOD_LDO3),
> > +	REGMAP_IRQ_REG(TPS65912_IRQ_PGOOD_LDO4, 2, TPS65912_INT_STS3_PGOOD_LDO4),
> > +	/* INT_STS4 IRQs */
> > +	REGMAP_IRQ_REG(TPS65912_IRQ_PGOOD_LDO5, 3, TPS65912_INT_STS4_PGOOD_LDO5),
> > +	REGMAP_IRQ_REG(TPS65912_IRQ_PGOOD_LDO6, 3, TPS65912_INT_STS4_PGOOD_LDO6),
> > +	REGMAP_IRQ_REG(TPS65912_IRQ_PGOOD_LDO7, 3, TPS65912_INT_STS4_PGOOD_LDO7),
> > +	REGMAP_IRQ_REG(TPS65912_IRQ_PGOOD_LDO8, 3, TPS65912_INT_STS4_PGOOD_LDO8),
> > +	REGMAP_IRQ_REG(TPS65912_IRQ_PGOOD_LDO9, 3, TPS65912_INT_STS4_PGOOD_LDO9),
> > +	REGMAP_IRQ_REG(TPS65912_IRQ_PGOOD_LDO10, 3, TPS65912_INT_STS4_PGOOD_LDO10),
> > +};
> > +
> > +static struct regmap_irq_chip tps65912_irq_chip = {
> > +	.name = "tps65912",
> > +	.irqs = tps65912_irqs,
> > +	.num_irqs = ARRAY_SIZE(tps65912_irqs),
> > +	.num_regs = 4,
> > +	.irq_reg_stride = 2,
> > +	.mask_base = TPS65912_INT_MSK,
> > +	.status_base = TPS65912_INT_STS,
> > +	.ack_base = TPS65912_INT_STS,
> > +	.init_ack_masked = true,
> > +};
> > +
> > +int tps65912_device_init(struct tps65912 *tps)
> > +{
> > +	int ret;
> > +
> > +	ret = regmap_add_irq_chip(tps->regmap, tps->irq, IRQF_ONESHOT, 0,
> > +				  &tps65912_irq_chip, &tps->irq_data);
> > +	if (ret < 0)
> > +		return ret;
> > +
> > +	ret = of_platform_populate(tps->dev->of_node, NULL, NULL, tps->dev);
> > +	if (ret < 0)
> > +		goto err_irq;
> > +
> > +	return 0;
> > +
> > +err_irq:
> > +	regmap_del_irq_chip(tps->irq, tps->irq_data);
> > +
> > +	return ret;
> > +}
> > +EXPORT_SYMBOL_GPL(tps65912_device_init);
> > +
> > +int tps65912_device_exit(struct tps65912 *tps)
> > +{
> > +	regmap_del_irq_chip(tps->irq, tps->irq_data);
> > +
> > +	return 0;
> > +}
> > +EXPORT_SYMBOL_GPL(tps65912_device_exit);
> > +
> > +MODULE_AUTHOR("Andrew F. Davis <afd@xxxxxx>");
> > +MODULE_DESCRIPTION("TPS65912x MFD Driver");
> > +MODULE_LICENSE("GPL v2");
> > diff --git a/drivers/mfd/tps65912-i2c.c b/drivers/mfd/tps65912-i2c.c
> > new file mode 100644
> > index 0000000..bdae10b01
> > --- /dev/null
> > +++ b/drivers/mfd/tps65912-i2c.c
> > @@ -0,0 +1,82 @@
> > +/*
> > + * I2C access driver for TI TPS65912x PMIC
> > + *
> > + * Copyright (C) 2015 Texas Instruments Incorporated - http://www.ti.com/
> > + *
> > + * Author: Andrew F. Davis <afd@xxxxxx>
> > + *
> > + * 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 TPS65218 driver and the previous TPS65912 driver by
> > + * Margarita Olaya Cabrera <magi@xxxxxxxxxxxxxxx>
> > + */
> > +
> > +#include <linux/i2c.h>
> > +#include <linux/module.h>
> > +#include <linux/of_device.h>
> > +#include <linux/regmap.h>
> > +
> > +#include <linux/mfd/tps65912.h>
> > +
> > +static const struct of_device_id tps65912_i2c_of_match_table[] = {
> > +	{ .compatible = "ti,tps65912", },
> > +	{ /* sentinel */ }
> > +};
> > +
> > +static int tps65912_i2c_probe(struct i2c_client *client,
> > +			      const struct i2c_device_id *ids)
> > +{
> > +	struct tps65912 *tps;
> > +
> > +	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, &tps65912_regmap_config);
> > +	if (IS_ERR(tps->regmap)) {
> > +		dev_err(tps->dev, "Failed to initialize register map\n");
> > +		return PTR_ERR(tps->regmap);
> > +	}
> > +
> > +	return tps65912_device_init(tps);
> > +}
> > +
> > +static int tps65912_i2c_remove(struct i2c_client *client)
> > +{
> > +	struct tps65912 *tps = i2c_get_clientdata(client);
> > +
> > +	return tps65912_device_exit(tps);
> > +}
> > +
> > +static const struct i2c_device_id tps65912_i2c_id_table[] = {
> > +	{ "tps65912", 0 },
> > +	{ /* sentinel */ },
> > +};
> > +MODULE_DEVICE_TABLE(i2c, tps65912_i2c_id_table);
> > +
> > +static struct i2c_driver tps65912_i2c_driver = {
> > +	.driver		= {
> > +		.name	= "tps65912",
> > +		.of_match_table = tps65912_i2c_of_match_table,
> > +	},
> > +	.probe		= tps65912_i2c_probe,
> > +	.remove		= tps65912_i2c_remove,
> > +	.id_table       = tps65912_i2c_id_table,
> > +};
> > +
> > +module_i2c_driver(tps65912_i2c_driver);
> > +
> > +MODULE_AUTHOR("Andrew F. Davis <afd@xxxxxx>");
> > +MODULE_DESCRIPTION("TPS65912x I2C Interface Driver");
> > +MODULE_LICENSE("GPL v2");
> > diff --git a/drivers/mfd/tps65912-spi.c b/drivers/mfd/tps65912-spi.c
> > new file mode 100644
> > index 0000000..24c5c97
> > --- /dev/null
> > +++ b/drivers/mfd/tps65912-spi.c
> > @@ -0,0 +1,81 @@
> > +/*
> > + * SPI access driver for TI TPS65912x PMIC
> > + *
> > + * Copyright (C) 2015 Texas Instruments Incorporated - http://www.ti.com/
> > + *
> > + * Author: Andrew F. Davis <afd@xxxxxx>
> > + *
> > + * 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 TPS65218 driver and the previous TPS65912 driver by
> > + * Margarita Olaya Cabrera <magi@xxxxxxxxxxxxxxx>
> > + */
> > +
> > +#include <linux/module.h>
> > +#include <linux/of_device.h>
> > +#include <linux/regmap.h>
> > +#include <linux/spi/spi.h>
> > +
> > +#include <linux/mfd/tps65912.h>
> > +
> > +static const struct of_device_id tps65912_spi_of_match_table[] = {
> > +	{ .compatible = "ti,tps65912", },
> > +	{ /* sentinel */ }
> > +};
> > +
> > +static int tps65912_spi_probe(struct spi_device *spi)
> > +{
> > +	struct tps65912 *tps;
> > +
> > +	tps = devm_kzalloc(&spi->dev, sizeof(*tps), GFP_KERNEL);
> > +	if (!tps)
> > +		return -ENOMEM;
> > +
> > +	spi_set_drvdata(spi, tps);
> > +	tps->dev = &spi->dev;
> > +	tps->irq = spi->irq;
> > +
> > +	tps->regmap = devm_regmap_init_spi(spi, &tps65912_regmap_config);
> > +	if (IS_ERR(tps->regmap)) {
> > +		dev_err(tps->dev, "Failed to initialize register map\n");
> > +		return PTR_ERR(tps->regmap);
> > +	}
> > +
> > +	return tps65912_device_init(tps);
> > +}
> > +
> > +static int tps65912_spi_remove(struct spi_device *client)
> > +{
> > +	struct tps65912 *tps = spi_get_drvdata(client);
> > +
> > +	return tps65912_device_exit(tps);
> > +}
> > +
> > +static const struct spi_device_id tps65912_spi_id_table[] = {
> > +	{ "tps65912", 0 },
> > +	{ /* sentinel */ },
> > +};
> > +MODULE_DEVICE_TABLE(spi, tps65912_spi_id_table);
> > +
> > +static struct spi_driver tps65912_spi_driver = {
> > +	.driver		= {
> > +		.name	= "tps65912",
> > +		.of_match_table = tps65912_spi_of_match_table,
> > +	},
> > +	.probe		= tps65912_spi_probe,
> > +	.remove		= tps65912_spi_remove,
> > +	.id_table       = tps65912_spi_id_table,
> > +};
> > +
> > +module_spi_driver(tps65912_spi_driver);
> > +
> > +MODULE_AUTHOR("Andrew F. Davis <afd@xxxxxx>");
> > +MODULE_DESCRIPTION("TPS65912x SPI Interface Driver");
> > +MODULE_LICENSE("GPL v2");
> > diff --git a/include/linux/mfd/tps65912.h b/include/linux/mfd/tps65912.h
> > new file mode 100644
> > index 0000000..8843c0d
> > --- /dev/null
> > +++ b/include/linux/mfd/tps65912.h
> > @@ -0,0 +1,345 @@
> > +/*
> > + * TI TPS65912x
> > + *
> > + * Copyright (C) 2015 Texas Instruments Incorporated - http://www.ti.com/
> > + *
> > + * Author: Andrew F. Davis <afd@xxxxxx>
> > + *
> > + * 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 TPS65218 driver and the previous TPS65912 driver by
> > + * Margarita Olaya Cabrera <magi@xxxxxxxxxxxxxxx>
> > + */
> > +
> > +#ifndef __LINUX_MFD_TPS65912_H
> > +#define __LINUX_MFD_TPS65912_H
> > +
> > +#include <linux/device.h>
> > +#include <linux/regmap.h>
> > +#include <linux/regulator/driver.h>
> > +
> > +/* List of registers for TPS65912 */
> > +#define TPS65912_DCDC1_CTRL		0x00
> > +#define TPS65912_DCDC2_CTRL		0x01
> > +#define TPS65912_DCDC3_CTRL		0x02
> > +#define TPS65912_DCDC4_CTRL		0x03
> > +#define TPS65912_DCDC1_OP		0x04
> > +#define TPS65912_DCDC1_AVS		0x05
> > +#define TPS65912_DCDC1_LIMIT		0x06
> > +#define TPS65912_DCDC2_OP		0x07
> > +#define TPS65912_DCDC2_AVS		0x08
> > +#define TPS65912_DCDC2_LIMIT		0x09
> > +#define TPS65912_DCDC3_OP		0x0A
> > +#define TPS65912_DCDC3_AVS		0x0B
> > +#define TPS65912_DCDC3_LIMIT		0x0C
> > +#define TPS65912_DCDC4_OP		0x0D
> > +#define TPS65912_DCDC4_AVS		0x0E
> > +#define TPS65912_DCDC4_LIMIT		0x0F
> > +#define TPS65912_LDO1_OP		0x10
> > +#define TPS65912_LDO1_AVS		0x11
> > +#define TPS65912_LDO1_LIMIT		0x12
> > +#define TPS65912_LDO2_OP		0x13
> > +#define TPS65912_LDO2_AVS		0x14
> > +#define TPS65912_LDO2_LIMIT		0x15
> > +#define TPS65912_LDO3_OP		0x16
> > +#define TPS65912_LDO3_AVS		0x17
> > +#define TPS65912_LDO3_LIMIT		0x18
> > +#define TPS65912_LDO4_OP		0x19
> > +#define TPS65912_LDO4_AVS		0x1A
> > +#define TPS65912_LDO4_LIMIT		0x1B
> > +#define TPS65912_LDO5			0x1C
> > +#define TPS65912_LDO6			0x1D
> > +#define TPS65912_LDO7			0x1E
> > +#define TPS65912_LDO8			0x1F
> > +#define TPS65912_LDO9			0x20
> > +#define TPS65912_LDO10			0x21
> > +#define TPS65912_THRM			0x22
> > +#define TPS65912_CLK32OUT		0x23
> > +#define TPS65912_DEVCTRL		0x24
> > +#define TPS65912_DEVCTRL2		0x25
> > +#define TPS65912_I2C_SPI_CFG		0x26
> > +#define TPS65912_KEEP_ON		0x27
> > +#define TPS65912_KEEP_ON2		0x28
> > +#define TPS65912_SET_OFF1		0x29
> > +#define TPS65912_SET_OFF2		0x2A
> > +#define TPS65912_DEF_VOLT		0x2B
> > +#define TPS65912_DEF_VOLT_MAPPING	0x2C
> > +#define TPS65912_DISCHARGE		0x2D
> > +#define TPS65912_DISCHARGE2		0x2E
> > +#define TPS65912_EN1_SET1		0x2F
> > +#define TPS65912_EN1_SET2		0x30
> > +#define TPS65912_EN2_SET1		0x31
> > +#define TPS65912_EN2_SET2		0x32
> > +#define TPS65912_EN3_SET1		0x33
> > +#define TPS65912_EN3_SET2		0x34
> > +#define TPS65912_EN4_SET1		0x35
> > +#define TPS65912_EN4_SET2		0x36
> > +#define TPS65912_PGOOD			0x37
> > +#define TPS65912_PGOOD2			0x38
> > +#define TPS65912_INT_STS		0x39
> > +#define TPS65912_INT_MSK		0x3A
> > +#define TPS65912_INT_STS2		0x3B
> > +#define TPS65912_INT_MSK2		0x3C
> > +#define TPS65912_INT_STS3		0x3D
> > +#define TPS65912_INT_MSK3		0x3E
> > +#define TPS65912_INT_STS4		0x3F
> > +#define TPS65912_INT_MSK4		0x40
> > +#define TPS65912_GPIO1			0x41
> > +#define TPS65912_GPIO2			0x42
> > +#define TPS65912_GPIO3			0x43
> > +#define TPS65912_GPIO4			0x44
> > +#define TPS65912_GPIO5			0x45
> > +#define TPS65912_VMON			0x46
> > +#define TPS65912_LEDA_CTRL1		0x47
> > +#define TPS65912_LEDA_CTRL2		0x48
> > +#define TPS65912_LEDA_CTRL3		0x49
> > +#define TPS65912_LEDA_CTRL4		0x4A
> > +#define TPS65912_LEDA_CTRL5		0x4B
> > +#define TPS65912_LEDA_CTRL6		0x4C
> > +#define TPS65912_LEDA_CTRL7		0x4D
> > +#define TPS65912_LEDA_CTRL8		0x4E
> > +#define TPS65912_LEDB_CTRL1		0x4F
> > +#define TPS65912_LEDB_CTRL2		0x50
> > +#define TPS65912_LEDB_CTRL3		0x51
> > +#define TPS65912_LEDB_CTRL4		0x52
> > +#define TPS65912_LEDB_CTRL5		0x53
> > +#define TPS65912_LEDB_CTRL6		0x54
> > +#define TPS65912_LEDB_CTRL7		0x55
> > +#define TPS65912_LEDB_CTRL8		0x56
> > +#define TPS65912_LEDC_CTRL1		0x57
> > +#define TPS65912_LEDC_CTRL2		0x58
> > +#define TPS65912_LEDC_CTRL3		0x59
> > +#define TPS65912_LEDC_CTRL4		0x5A
> > +#define TPS65912_LEDC_CTRL5		0x5B
> > +#define TPS65912_LEDC_CTRL6		0x5C
> > +#define TPS65912_LEDC_CTRL7		0x5D
> > +#define TPS65912_LEDC_CTRL8		0x5E
> > +#define TPS65912_LED_RAMP_UP_TIME	0x5F
> > +#define TPS65912_LED_RAMP_DOWN_TIME	0x60
> > +#define TPS65912_LED_SEQ_EN		0x61
> > +#define TPS65912_LOADSWITCH		0x62
> > +#define TPS65912_SPARE			0x63
> > +#define TPS65912_VERNUM			0x64
> > +#define TPS6591X_MAX_REGISTER		0x64
> > +
> > +/* INT_STS Register field definitions */
> > +#define TPS65912_INT_STS_PWRHOLD_F	BIT(0)
> > +#define TPS65912_INT_STS_VMON		BIT(1)
> > +#define TPS65912_INT_STS_PWRON		BIT(2)
> > +#define TPS65912_INT_STS_PWRON_LP	BIT(3)
> > +#define TPS65912_INT_STS_PWRHOLD_R	BIT(4)
> > +#define TPS65912_INT_STS_HOTDIE		BIT(5)
> > +#define TPS65912_INT_STS_GPIO1_R	BIT(6)
> > +#define TPS65912_INT_STS_GPIO1_F	BIT(7)
> > +
> > +/* INT_STS Register field definitions */
> > +#define TPS65912_INT_STS2_GPIO2_R	BIT(0)
> > +#define TPS65912_INT_STS2_GPIO2_F	BIT(1)
> > +#define TPS65912_INT_STS2_GPIO3_R	BIT(2)
> > +#define TPS65912_INT_STS2_GPIO3_F	BIT(3)
> > +#define TPS65912_INT_STS2_GPIO4_R	BIT(4)
> > +#define TPS65912_INT_STS2_GPIO4_F	BIT(5)
> > +#define TPS65912_INT_STS2_GPIO5_R	BIT(6)
> > +#define TPS65912_INT_STS2_GPIO5_F	BIT(7)
> > +
> > +/* INT_STS Register field definitions */
> > +#define TPS65912_INT_STS3_PGOOD_DCDC1	BIT(0)
> > +#define TPS65912_INT_STS3_PGOOD_DCDC2	BIT(1)
> > +#define TPS65912_INT_STS3_PGOOD_DCDC3	BIT(2)
> > +#define TPS65912_INT_STS3_PGOOD_DCDC4	BIT(3)
> > +#define TPS65912_INT_STS3_PGOOD_LDO1	BIT(4)
> > +#define TPS65912_INT_STS3_PGOOD_LDO2	BIT(5)
> > +#define TPS65912_INT_STS3_PGOOD_LDO3	BIT(6)
> > +#define TPS65912_INT_STS3_PGOOD_LDO4	BIT(7)
> > +
> > +/* INT_STS Register field definitions */
> > +#define TPS65912_INT_STS4_PGOOD_LDO5	BIT(0)
> > +#define TPS65912_INT_STS4_PGOOD_LDO6	BIT(1)
> > +#define TPS65912_INT_STS4_PGOOD_LDO7	BIT(2)
> > +#define TPS65912_INT_STS4_PGOOD_LDO8	BIT(3)
> > +#define TPS65912_INT_STS4_PGOOD_LDO9	BIT(4)
> > +#define TPS65912_INT_STS4_PGOOD_LDO10	BIT(5)
> > +
> > +/* GPIO 1 and 2 Register field definitions */
> > +#define GPIO_SLEEP_MASK			0x80
> > +#define GPIO_SLEEP_SHIFT		7
> > +#define GPIO_DEB_MASK			0x10
> > +#define GPIO_DEB_SHIFT			4
> > +#define GPIO_CFG_MASK			0x04
> > +#define GPIO_CFG_SHIFT			2
> > +#define GPIO_STS_MASK			0x02
> > +#define GPIO_STS_SHIFT			1
> > +#define GPIO_SET_MASK			0x01
> > +#define GPIO_SET_SHIFT			0
> > +
> > +/* GPIO 3 Register field definitions */
> > +#define GPIO3_SLEEP_MASK		0x80
> > +#define GPIO3_SLEEP_SHIFT		7
> > +#define GPIO3_SEL_MASK			0x40
> > +#define GPIO3_SEL_SHIFT			6
> > +#define GPIO3_ODEN_MASK			0x20
> > +#define GPIO3_ODEN_SHIFT		5
> > +#define GPIO3_DEB_MASK			0x10
> > +#define GPIO3_DEB_SHIFT			4
> > +#define GPIO3_PDEN_MASK			0x08
> > +#define GPIO3_PDEN_SHIFT		3
> > +#define GPIO3_CFG_MASK			0x04
> > +#define GPIO3_CFG_SHIFT			2
> > +#define GPIO3_STS_MASK			0x02
> > +#define GPIO3_STS_SHIFT			1
> > +#define GPIO3_SET_MASK			0x01
> > +#define GPIO3_SET_SHIFT			0
> > +
> > +/* GPIO 4 Register field definitions */
> > +#define GPIO4_SLEEP_MASK		0x80
> > +#define GPIO4_SLEEP_SHIFT		7
> > +#define GPIO4_SEL_MASK			0x40
> > +#define GPIO4_SEL_SHIFT			6
> > +#define GPIO4_ODEN_MASK			0x20
> > +#define GPIO4_ODEN_SHIFT		5
> > +#define GPIO4_DEB_MASK			0x10
> > +#define GPIO4_DEB_SHIFT			4
> > +#define GPIO4_PDEN_MASK			0x08
> > +#define GPIO4_PDEN_SHIFT		3
> > +#define GPIO4_CFG_MASK			0x04
> > +#define GPIO4_CFG_SHIFT			2
> > +#define GPIO4_STS_MASK			0x02
> > +#define GPIO4_STS_SHIFT			1
> > +#define GPIO4_SET_MASK			0x01
> > +#define GPIO4_SET_SHIFT			0
> > +
> > +/* Register THERM  (0x80) register.RegisterDescription */
> > +#define THERM_THERM_HD_MASK		0x20
> > +#define THERM_THERM_HD_SHIFT		5
> > +#define THERM_THERM_TS_MASK		0x10
> > +#define THERM_THERM_TS_SHIFT		4
> > +#define THERM_THERM_HDSEL_MASK		0x0C
> > +#define THERM_THERM_HDSEL_SHIFT		2
> > +#define THERM_RSVD1_MASK		0x02
> > +#define THERM_RSVD1_SHIFT		1
> > +#define THERM_THERM_STATE_MASK		0x01
> > +#define THERM_THERM_STATE_SHIFT		0
> > +
> > +/* Register DCDCCTRL1 register.RegisterDescription */
> > +#define DCDCCTRL_VCON_ENABLE_MASK	0x80
> > +#define DCDCCTRL_VCON_ENABLE_SHIFT	7
> > +#define DCDCCTRL_VCON_RANGE1_MASK	0x40
> > +#define DCDCCTRL_VCON_RANGE1_SHIFT	6
> > +#define DCDCCTRL_VCON_RANGE0_MASK	0x20
> > +#define DCDCCTRL_VCON_RANGE0_SHIFT	5
> > +#define DCDCCTRL_TSTEP2_MASK		0x10
> > +#define DCDCCTRL_TSTEP2_SHIFT		4
> > +#define DCDCCTRL_TSTEP1_MASK		0x08
> > +#define DCDCCTRL_TSTEP1_SHIFT		3
> > +#define DCDCCTRL_TSTEP0_MASK		0x04
> > +#define DCDCCTRL_TSTEP0_SHIFT		2
> > +#define DCDCCTRL_DCDC1_MODE_MASK	0x02
> > +#define DCDCCTRL_DCDC1_MODE_SHIFT	1
> > +
> > +/* Register DCDCCTRL2 and DCDCCTRL3 register.RegisterDescription */
> > +#define DCDCCTRL_TSTEP2_MASK		0x10
> > +#define DCDCCTRL_TSTEP2_SHIFT		4
> > +#define DCDCCTRL_TSTEP1_MASK		0x08
> > +#define DCDCCTRL_TSTEP1_SHIFT		3
> > +#define DCDCCTRL_TSTEP0_MASK		0x04
> > +#define DCDCCTRL_TSTEP0_SHIFT		2
> > +#define DCDCCTRL_DCDC_MODE_MASK		0x02
> > +#define DCDCCTRL_DCDC_MODE_SHIFT	1
> > +#define DCDCCTRL_RSVD0_MASK		0x01
> > +#define DCDCCTRL_RSVD0_SHIFT		0
> > +
> > +/* Register DCDCCTRL4 register.RegisterDescription */
> > +#define DCDCCTRL_RAMP_TIME_MASK		0x01
> > +#define DCDCCTRL_RAMP_TIME_SHIFT	0
> > +
> > +/* Register DCDCx_AVS */
> > +#define DCDC_AVS_ENABLE_MASK		0x80
> > +#define DCDC_AVS_ENABLE_SHIFT		7
> > +#define DCDC_AVS_ECO_MASK		0x40
> > +#define DCDC_AVS_ECO_SHIFT		6
> > +
> > +/* Register DCDCx_LIMIT */
> > +#define DCDC_LIMIT_RANGE_MASK		0xC0
> > +#define DCDC_LIMIT_RANGE_SHIFT		6
> > +#define DCDC_LIMIT_MAX_SEL_MASK		0x3F
> > +#define DCDC_LIMIT_MAX_SEL_SHIFT	0
> > +
> > +/* Define the TPS65912 IRQ numbers */
> > +enum tps65912_irqs {
> > +	/* INT_STS registers */
> > +	TPS65912_IRQ_PWRHOLD_F,
> > +	TPS65912_IRQ_VMON,
> > +	TPS65912_IRQ_PWRON,
> > +	TPS65912_IRQ_PWRON_LP,
> > +	TPS65912_IRQ_PWRHOLD_R,
> > +	TPS65912_IRQ_HOTDIE,
> > +	TPS65912_IRQ_GPIO1_R,
> > +	TPS65912_IRQ_GPIO1_F,
> > +	/* INT_STS2 registers */
> > +	TPS65912_IRQ_GPIO2_R,
> > +	TPS65912_IRQ_GPIO2_F,
> > +	TPS65912_IRQ_GPIO3_R,
> > +	TPS65912_IRQ_GPIO3_F,
> > +	TPS65912_IRQ_GPIO4_R,
> > +	TPS65912_IRQ_GPIO4_F,
> > +	TPS65912_IRQ_GPIO5_R,
> > +	TPS65912_IRQ_GPIO5_F,
> > +	/* INT_STS3 registers */
> > +	TPS65912_IRQ_PGOOD_DCDC1,
> > +	TPS65912_IRQ_PGOOD_DCDC2,
> > +	TPS65912_IRQ_PGOOD_DCDC3,
> > +	TPS65912_IRQ_PGOOD_DCDC4,
> > +	TPS65912_IRQ_PGOOD_LDO1,
> > +	TPS65912_IRQ_PGOOD_LDO2,
> > +	TPS65912_IRQ_PGOOD_LDO3,
> > +	TPS65912_IRQ_PGOOD_LDO4,
> > +	/* INT_STS4 registers */
> > +	TPS65912_IRQ_PGOOD_LDO5,
> > +	TPS65912_IRQ_PGOOD_LDO6,
> > +	TPS65912_IRQ_PGOOD_LDO7,
> > +	TPS65912_IRQ_PGOOD_LDO8,
> > +	TPS65912_IRQ_PGOOD_LDO9,
> > +	TPS65912_IRQ_PGOOD_LDO10,
> > +};
> > +
> > +/*
> > + * struct tps65912 - state holder for the tps65912 driver
> > + *
> > + * Device data may be used to access the TPS65912 chip
> > + */
> > +struct tps65912 {
> > +	struct device *dev;
> > +	struct regmap *regmap;
> > +
> > +	/* IRQ Data */
> > +	int irq;
> > +	struct regmap_irq_chip_data *irq_data;
> > +};
> > +
> > +static const struct regmap_range tps65912_yes_ranges[] = {
> > +	regmap_reg_range(TPS65912_INT_STS, TPS65912_GPIO5),
> > +};
> > +
> > +static const struct regmap_access_table tps65912_volatile_table = {
> > +	.yes_ranges = tps65912_yes_ranges,
> > +	.n_yes_ranges = ARRAY_SIZE(tps65912_yes_ranges),
> > +};
> > +
> > +static const struct regmap_config tps65912_regmap_config = {
> > +	.reg_bits = 8,
> > +	.val_bits = 8,
> > +	.cache_type = REGCACHE_RBTREE,
> > +	.volatile_table = &tps65912_volatile_table,
> > +};
> > +
> > +int tps65912_device_init(struct tps65912 *tps);
> > +int tps65912_device_exit(struct tps65912 *tps);
> > +
> > +#endif /*  __LINUX_MFD_TPS65912_H */
> 

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