| Message ID | 1459279341-17389-4-git-send-email-contact@paulk.fr (mailing list archive) |
|---|---|
| State | Not Applicable, archived |
| Headers | show |
On 03/29/2016 10:22 PM, Paul Kocialkowski wrote: > This adds a TWL6030 power driver, that currently only supports powering off the > device when the TWL is used as system power controller. > > This driver might be extended to support more power-related features of the > TWL6030. > > Signed-off-by: Paul Kocialkowski <contact@paulk.fr> > --- > .../devicetree/bindings/mfd/twl6030-power.txt | 31 +++++++ > drivers/mfd/Kconfig | 10 ++ > drivers/mfd/Makefile | 5 +- > drivers/mfd/twl-core.c | 8 ++ > drivers/mfd/twl6030-power.c | 102 +++++++++++++++++++++ Seems proper place for this driver is drivers/power/reset. > 5 files changed, 154 insertions(+), 2 deletions(-) > create mode 100644 Documentation/devicetree/bindings/mfd/twl6030-power.txt > create mode 100644 drivers/mfd/twl6030-power.c > > diff --git a/Documentation/devicetree/bindings/mfd/twl6030-power.txt b/Documentation/devicetree/bindings/mfd/twl6030-power.txt > new file mode 100644 > index 0000000..97600e7 > --- /dev/null > +++ b/Documentation/devicetree/bindings/mfd/twl6030-power.txt > @@ -0,0 +1,31 @@ > +Texas Instruments TWL family (twl6030) reset and power management module > + > +For now, the binding only supports the complete shutdown of the system after > +poweroff. > + > +Required properties: > +- compatible : must be > + "ti,twl6030-power" > + > +Optional properties: > + > +- ti,system-power-controller: This indicates that TWL6030 is the > + power supply master of the system. With this flag, the chip will > + initiate an ACTIVE-to-OFF or SLEEP-to-OFF transition when the > + system poweroffs. > + > +Example: > +&i2c1 { > + clock-frequency = <2600000>; > + > + twl: twl@48 { > + reg = <0x48>; > + interrupts = <7>; /* SYS_NIRQ cascaded to intc */ > + interrupt-parent = <&intc>; > + > + twl_power: power { > + compatible = "ti,twl6030-power"; > + ti,system-power-controller; > + }; > + }; > +}; > diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig > index 28bfe3d..a0a8012 100644 > --- a/drivers/mfd/Kconfig > +++ b/drivers/mfd/Kconfig > @@ -1301,6 +1301,16 @@ config MFD_TWL4030_AUDIO > select MFD_CORE > default n > > +config TWL6030_POWER > + bool "TI TWL6030 power resources" > + depends on TWL_CORE && ARM > + help > + Say yes here if you want to use the power resources on the > + TWL6030 family chips. > + > + When used as system power controller, this driver allows turning off > + the main power supply. > + > config TWL6040_CORE > bool "TI TWL6040 audio codec" > depends on I2C=y > diff --git a/drivers/mfd/Makefile b/drivers/mfd/Makefile > index 7daeab5..5aa16c8 100644 > --- a/drivers/mfd/Makefile > +++ b/drivers/mfd/Makefile > @@ -81,9 +81,10 @@ obj-$(CONFIG_MFD_TPS65912_SPI) += tps65912-spi.o > obj-$(CONFIG_MFD_TPS80031) += tps80031.o > obj-$(CONFIG_MENELAUS) += menelaus.o > > -obj-$(CONFIG_TWL_CORE) += twl-core.o twl4030-irq.o twl6030-irq.o > -obj-$(CONFIG_TWL4030_POWER) += twl4030-power.o > +obj-$(CONFIG_TWL_CORE) += twl-core.o twl4030-irq.o twl6030-irq.o > +obj-$(CONFIG_TWL4030_POWER) += twl4030-power.o > obj-$(CONFIG_MFD_TWL4030_AUDIO) += twl4030-audio.o > +obj-$(CONFIG_TWL6030_POWER) += twl6030-power.o > obj-$(CONFIG_TWL6040_CORE) += twl6040.o > > obj-$(CONFIG_MFD_MX25_TSADC) += fsl-imx25-tsadc.o > diff --git a/drivers/mfd/twl-core.c b/drivers/mfd/twl-core.c > index dae52f7..74372bc 100644 > --- a/drivers/mfd/twl-core.c > +++ b/drivers/mfd/twl-core.c > @@ -972,6 +972,14 @@ add_children(struct twl_platform_data *pdata, unsigned irq_base, > return PTR_ERR(child); > } > > + if (IS_ENABLED(CONFIG_TWL6030_POWER) && pdata->power) { > + child = add_child(TWL_MODULE_PM_MASTER, "twl6030_power", > + pdata->power, sizeof(*pdata->power), false, > + 0, 0); > + if (IS_ERR(child)) > + return PTR_ERR(child); > + } > + non-DT boot option is not supported for twl6030 any more and all related code was removed already. > return 0; > } > > diff --git a/drivers/mfd/twl6030-power.c b/drivers/mfd/twl6030-power.c > new file mode 100644 > index 0000000..a0bb6d8 > --- /dev/null > +++ b/drivers/mfd/twl6030-power.c > @@ -0,0 +1,102 @@ > +/* > + * TWL6030 power > + * > + * Copyright (C) 2016 Paul Kocialkowski <contact@paulk.fr> > + * > + * This file is subject to the terms and conditions of the GNU General > + * Public License. See the file "COPYING" in the main directory of this > + * archive for more details. > + * > + * 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. > + * > + * You should have received a copy of the GNU General Public License > + * along with this program; if not, write to the Free Software > + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA I think header should look different now (but not sure). > + */ > + > +#include <linux/module.h> > +#include <linux/pm.h> > +#include <linux/i2c/twl.h> > +#include <linux/platform_device.h> > +#include <linux/of.h> > +#include <linux/of_device.h> > + > +#define TWL6030_PHOENIX_DEV_ON 0x25 > + > +#define TWL6030_PHOENIX_APP_DEVOFF (1 << 0) > +#define TWL6030_PHOENIX_CON_DEVOFF (1 << 1) > +#define TWL6030_PHOENIX_MOD_DEVOFF (1 << 2) > + > +void twl6030_power_off(void) > +{ > + int err; > + > + err = twl_i2c_write_u8(TWL6030_MODULE_ID0, TWL6030_PHOENIX_APP_DEVOFF | > + TWL6030_PHOENIX_CON_DEVOFF | TWL6030_PHOENIX_MOD_DEVOFF, > + TWL6030_PHOENIX_DEV_ON); > + if (err) > + pr_err("TWL6030 Unable to power off\n"); > +} > + > +static bool twl6030_power_use_poweroff(const struct twl_power_data *pdata, > + struct device_node *node) > +{ > + if (pdata && pdata->use_poweroff) > + return true; the same comment as above - only DT support for this PMIC as of now. > + > + if (of_property_read_bool(node, "ti,system-power-controller")) > + return true; > + > + return false; > +} > + > +#ifdef CONFIG_OF > +static const struct of_device_id twl6030_power_of_match[] = { > + { > + .compatible = "ti,twl6030-power", > + }, > + { }, > +}; > + > +MODULE_DEVICE_TABLE(of, twl6030_power_of_match); > +#endif /* CONFIG_OF */ > + > +static int twl6030_power_probe(struct platform_device *pdev) > +{ > + const struct twl_power_data *pdata = dev_get_platdata(&pdev->dev); > + struct device_node *node = pdev->dev.of_node; > + > + if (!pdata && !node) { > + dev_err(&pdev->dev, "Platform data is missing\n"); > + return -EINVAL; > + } > + > + /* Board has to be wired properly to use this feature */ > + if (twl6030_power_use_poweroff(pdata, node) && !pm_power_off) > + pm_power_off = twl6030_power_off; > + > + return 0; > +} > + > +static int twl6030_power_remove(struct platform_device *pdev) > +{ > + return 0; > +} > + > +static struct platform_driver twl6030_power_driver = { > + .driver = { > + .name = "twl6030_power", > + .of_match_table = of_match_ptr(twl6030_power_of_match), > + }, > + .probe = twl6030_power_probe, > + .remove = twl6030_power_remove, > +}; > + > +module_platform_driver(twl6030_power_driver); > + > +MODULE_AUTHOR("Paul Kocialkowski <contact@paulk.fr>"); > +MODULE_DESCRIPTION("Power management for TWL6030"); > +MODULE_LICENSE("GPL"); >
Le mercredi 30 mars 2016 à 18:56 +0300, Grygorii Strashko a écrit : > On 03/29/2016 10:22 PM, Paul Kocialkowski wrote: > > > > This adds a TWL6030 power driver, that currently only supports powering off > > the > > device when the TWL is used as system power controller. > > > > This driver might be extended to support more power-related features of the > > TWL6030. > > > > Signed-off-by: Paul Kocialkowski <contact@paulk.fr> > > --- > > .../devicetree/bindings/mfd/twl6030-power.txt | 31 +++++++ > > drivers/mfd/Kconfig | 10 ++ > > drivers/mfd/Makefile | 5 +- > > drivers/mfd/twl-core.c | 8 ++ > > drivers/mfd/twl6030-power.c | 102 > > +++++++++++++++++++++ > Seems proper place for this driver is drivers/power/reset. twl4030-power is in drivers/mfd/ and contains similar functions. Should those be split into a separate driver in driver/power/reset? If not, I'd rather keep this basic driver in drivers/mfd/ since it might be extended later to support more power-related things. > > 5 files changed, 154 insertions(+), 2 deletions(-) > > create mode 100644 Documentation/devicetree/bindings/mfd/twl6030-power.txt > > create mode 100644 drivers/mfd/twl6030-power.c > > > > diff --git a/Documentation/devicetree/bindings/mfd/twl6030-power.txt > > b/Documentation/devicetree/bindings/mfd/twl6030-power.txt > > new file mode 100644 > > index 0000000..97600e7 > > --- /dev/null > > +++ b/Documentation/devicetree/bindings/mfd/twl6030-power.txt > > @@ -0,0 +1,31 @@ > > +Texas Instruments TWL family (twl6030) reset and power management module > > + > > +For now, the binding only supports the complete shutdown of the system > > after > > +poweroff. > > + > > +Required properties: > > +- compatible : must be > > + "ti,twl6030-power" > > + > > +Optional properties: > > + > > +- ti,system-power-controller: This indicates that TWL6030 is the > > + power supply master of the system. With this flag, the chip will > > + initiate an ACTIVE-to-OFF or SLEEP-to-OFF transition when the > > + system poweroffs. > > + > > +Example: > > +&i2c1 { > > + clock-frequency = <2600000>; > > + > > + twl: twl@48 { > > + reg = <0x48>; > > + interrupts = <7>; /* SYS_NIRQ cascaded to intc */ > > + interrupt-parent = <&intc>; > > + > > + twl_power: power { > > + compatible = "ti,twl6030-power"; > > + ti,system-power-controller; > > + }; > > + }; > > +}; > > diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig > > index 28bfe3d..a0a8012 100644 > > --- a/drivers/mfd/Kconfig > > +++ b/drivers/mfd/Kconfig > > @@ -1301,6 +1301,16 @@ config MFD_TWL4030_AUDIO > > select MFD_CORE > > default n > > > > +config TWL6030_POWER > > + bool "TI TWL6030 power resources" > > + depends on TWL_CORE && ARM > > + help > > + Say yes here if you want to use the power resources on the > > + TWL6030 family chips. > > + > > + When used as system power controller, this driver allows turning > > off > > + the main power supply. > > + > > config TWL6040_CORE > > bool "TI TWL6040 audio codec" > > depends on I2C=y > > diff --git a/drivers/mfd/Makefile b/drivers/mfd/Makefile > > index 7daeab5..5aa16c8 100644 > > --- a/drivers/mfd/Makefile > > +++ b/drivers/mfd/Makefile > > @@ -81,9 +81,10 @@ obj-$(CONFIG_MFD_TPS65912_SPI) += tps65912-spi.o > > obj-$(CONFIG_MFD_TPS80031) += tps80031.o > > obj-$(CONFIG_MENELAUS) += menelaus.o > > > > -obj-$(CONFIG_TWL_CORE) += twl-core.o twl4030-irq.o twl6030-irq.o > > -obj-$(CONFIG_TWL4030_POWER) += twl4030-power.o > > +obj-$(CONFIG_TWL_CORE) += twl-core.o twl4030-irq.o twl6030- > > irq.o > > +obj-$(CONFIG_TWL4030_POWER) += twl4030-power.o > > obj-$(CONFIG_MFD_TWL4030_AUDIO) += twl4030-audio.o > > +obj-$(CONFIG_TWL6030_POWER) += twl6030-power.o > > obj-$(CONFIG_TWL6040_CORE) += twl6040.o > > > > obj-$(CONFIG_MFD_MX25_TSADC) += fsl-imx25-tsadc.o > > diff --git a/drivers/mfd/twl-core.c b/drivers/mfd/twl-core.c > > index dae52f7..74372bc 100644 > > --- a/drivers/mfd/twl-core.c > > +++ b/drivers/mfd/twl-core.c > > @@ -972,6 +972,14 @@ add_children(struct twl_platform_data *pdata, unsigned > > irq_base, > > return PTR_ERR(child); > > } > > > > + if (IS_ENABLED(CONFIG_TWL6030_POWER) && pdata->power) { > > + child = add_child(TWL_MODULE_PM_MASTER, "twl6030_power", > > + pdata->power, sizeof(*pdata->power), > > false, > > + 0, 0); > > + if (IS_ERR(child)) > > + return PTR_ERR(child); > > + } > > + > non-DT boot option is not supported for twl6030 any more and > all related code was removed already. > > > > > return 0; > > } > > > > diff --git a/drivers/mfd/twl6030-power.c b/drivers/mfd/twl6030-power.c > > new file mode 100644 > > index 0000000..a0bb6d8 > > --- /dev/null > > +++ b/drivers/mfd/twl6030-power.c > > @@ -0,0 +1,102 @@ > > +/* > > + * TWL6030 power > > + * > > + * Copyright (C) 2016 Paul Kocialkowski <contact@paulk.fr> > > + * > > + * This file is subject to the terms and conditions of the GNU General > > + * Public License. See the file "COPYING" in the main directory of this > > + * archive for more details. > > + * > > + * 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. > > + * > > + * You should have received a copy of the GNU General Public License > > + * along with this program; if not, write to the Free Software > > + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111- > > 1307 USA > I think header should look different now (but not sure). > > > > > + */ > > + > > +#include <linux/module.h> > > +#include <linux/pm.h> > > +#include <linux/i2c/twl.h> > > +#include <linux/platform_device.h> > > +#include <linux/of.h> > > +#include <linux/of_device.h> > > + > > +#define TWL6030_PHOENIX_DEV_ON 0x25 > > + > > +#define TWL6030_PHOENIX_APP_DEVOFF (1 << 0) > > +#define TWL6030_PHOENIX_CON_DEVOFF (1 << 1) > > +#define TWL6030_PHOENIX_MOD_DEVOFF (1 << 2) > > + > > +void twl6030_power_off(void) > > +{ > > + int err; > > + > > + err = twl_i2c_write_u8(TWL6030_MODULE_ID0, > > TWL6030_PHOENIX_APP_DEVOFF | > > + TWL6030_PHOENIX_CON_DEVOFF | TWL6030_PHOENIX_MOD_DEVOFF, > > + TWL6030_PHOENIX_DEV_ON); > > + if (err) > > + pr_err("TWL6030 Unable to power off\n"); > > +} > > + > > +static bool twl6030_power_use_poweroff(const struct twl_power_data *pdata, > > + struct device_node *node) > > +{ > > + if (pdata && pdata->use_poweroff) > > + return true; > the same comment as above - only DT support for this PMIC as of now. > > > > > + > > + if (of_property_read_bool(node, "ti,system-power-controller")) > > + return true; > > + > > + return false; > > +} > > + > > +#ifdef CONFIG_OF > > +static const struct of_device_id twl6030_power_of_match[] = { > > + { > > + .compatible = "ti,twl6030-power", > > + }, > > + { }, > > +}; > > + > > +MODULE_DEVICE_TABLE(of, twl6030_power_of_match); > > +#endif /* CONFIG_OF */ > > + > > +static int twl6030_power_probe(struct platform_device *pdev) > > +{ > > + const struct twl_power_data *pdata = dev_get_platdata(&pdev->dev); > > + struct device_node *node = pdev->dev.of_node; > > + > > + if (!pdata && !node) { > > + dev_err(&pdev->dev, "Platform data is missing\n"); > > + return -EINVAL; > > + } > > + > > + /* Board has to be wired properly to use this feature */ > > + if (twl6030_power_use_poweroff(pdata, node) && !pm_power_off) > > + pm_power_off = twl6030_power_off; > > + > > + return 0; > > +} > > + > > +static int twl6030_power_remove(struct platform_device *pdev) > > +{ > > + return 0; > > +} > > + > > +static struct platform_driver twl6030_power_driver = { > > + .driver = { > > + .name = "twl6030_power", > > + .of_match_table = of_match_ptr(twl6030_power_of_match), > > + }, > > + .probe = twl6030_power_probe, > > + .remove = twl6030_power_remove, > > +}; > > + > > +module_platform_driver(twl6030_power_driver); > > + > > +MODULE_AUTHOR("Paul Kocialkowski <contact@paulk.fr>"); > > +MODULE_DESCRIPTION("Power management for TWL6030"); > > +MODULE_LICENSE("GPL"); > > >
diff --git a/Documentation/devicetree/bindings/mfd/twl6030-power.txt b/Documentation/devicetree/bindings/mfd/twl6030-power.txt new file mode 100644 index 0000000..97600e7 --- /dev/null +++ b/Documentation/devicetree/bindings/mfd/twl6030-power.txt @@ -0,0 +1,31 @@ +Texas Instruments TWL family (twl6030) reset and power management module + +For now, the binding only supports the complete shutdown of the system after +poweroff. + +Required properties: +- compatible : must be + "ti,twl6030-power" + +Optional properties: + +- ti,system-power-controller: This indicates that TWL6030 is the + power supply master of the system. With this flag, the chip will + initiate an ACTIVE-to-OFF or SLEEP-to-OFF transition when the + system poweroffs. + +Example: +&i2c1 { + clock-frequency = <2600000>; + + twl: twl@48 { + reg = <0x48>; + interrupts = <7>; /* SYS_NIRQ cascaded to intc */ + interrupt-parent = <&intc>; + + twl_power: power { + compatible = "ti,twl6030-power"; + ti,system-power-controller; + }; + }; +}; diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig index 28bfe3d..a0a8012 100644 --- a/drivers/mfd/Kconfig +++ b/drivers/mfd/Kconfig @@ -1301,6 +1301,16 @@ config MFD_TWL4030_AUDIO select MFD_CORE default n +config TWL6030_POWER + bool "TI TWL6030 power resources" + depends on TWL_CORE && ARM + help + Say yes here if you want to use the power resources on the + TWL6030 family chips. + + When used as system power controller, this driver allows turning off + the main power supply. + config TWL6040_CORE bool "TI TWL6040 audio codec" depends on I2C=y diff --git a/drivers/mfd/Makefile b/drivers/mfd/Makefile index 7daeab5..5aa16c8 100644 --- a/drivers/mfd/Makefile +++ b/drivers/mfd/Makefile @@ -81,9 +81,10 @@ obj-$(CONFIG_MFD_TPS65912_SPI) += tps65912-spi.o obj-$(CONFIG_MFD_TPS80031) += tps80031.o obj-$(CONFIG_MENELAUS) += menelaus.o -obj-$(CONFIG_TWL_CORE) += twl-core.o twl4030-irq.o twl6030-irq.o -obj-$(CONFIG_TWL4030_POWER) += twl4030-power.o +obj-$(CONFIG_TWL_CORE) += twl-core.o twl4030-irq.o twl6030-irq.o +obj-$(CONFIG_TWL4030_POWER) += twl4030-power.o obj-$(CONFIG_MFD_TWL4030_AUDIO) += twl4030-audio.o +obj-$(CONFIG_TWL6030_POWER) += twl6030-power.o obj-$(CONFIG_TWL6040_CORE) += twl6040.o obj-$(CONFIG_MFD_MX25_TSADC) += fsl-imx25-tsadc.o diff --git a/drivers/mfd/twl-core.c b/drivers/mfd/twl-core.c index dae52f7..74372bc 100644 --- a/drivers/mfd/twl-core.c +++ b/drivers/mfd/twl-core.c @@ -972,6 +972,14 @@ add_children(struct twl_platform_data *pdata, unsigned irq_base, return PTR_ERR(child); } + if (IS_ENABLED(CONFIG_TWL6030_POWER) && pdata->power) { + child = add_child(TWL_MODULE_PM_MASTER, "twl6030_power", + pdata->power, sizeof(*pdata->power), false, + 0, 0); + if (IS_ERR(child)) + return PTR_ERR(child); + } + return 0; } diff --git a/drivers/mfd/twl6030-power.c b/drivers/mfd/twl6030-power.c new file mode 100644 index 0000000..a0bb6d8 --- /dev/null +++ b/drivers/mfd/twl6030-power.c @@ -0,0 +1,102 @@ +/* + * TWL6030 power + * + * Copyright (C) 2016 Paul Kocialkowski <contact@paulk.fr> + * + * This file is subject to the terms and conditions of the GNU General + * Public License. See the file "COPYING" in the main directory of this + * archive for more details. + * + * 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. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#include <linux/module.h> +#include <linux/pm.h> +#include <linux/i2c/twl.h> +#include <linux/platform_device.h> +#include <linux/of.h> +#include <linux/of_device.h> + +#define TWL6030_PHOENIX_DEV_ON 0x25 + +#define TWL6030_PHOENIX_APP_DEVOFF (1 << 0) +#define TWL6030_PHOENIX_CON_DEVOFF (1 << 1) +#define TWL6030_PHOENIX_MOD_DEVOFF (1 << 2) + +void twl6030_power_off(void) +{ + int err; + + err = twl_i2c_write_u8(TWL6030_MODULE_ID0, TWL6030_PHOENIX_APP_DEVOFF | + TWL6030_PHOENIX_CON_DEVOFF | TWL6030_PHOENIX_MOD_DEVOFF, + TWL6030_PHOENIX_DEV_ON); + if (err) + pr_err("TWL6030 Unable to power off\n"); +} + +static bool twl6030_power_use_poweroff(const struct twl_power_data *pdata, + struct device_node *node) +{ + if (pdata && pdata->use_poweroff) + return true; + + if (of_property_read_bool(node, "ti,system-power-controller")) + return true; + + return false; +} + +#ifdef CONFIG_OF +static const struct of_device_id twl6030_power_of_match[] = { + { + .compatible = "ti,twl6030-power", + }, + { }, +}; + +MODULE_DEVICE_TABLE(of, twl6030_power_of_match); +#endif /* CONFIG_OF */ + +static int twl6030_power_probe(struct platform_device *pdev) +{ + const struct twl_power_data *pdata = dev_get_platdata(&pdev->dev); + struct device_node *node = pdev->dev.of_node; + + if (!pdata && !node) { + dev_err(&pdev->dev, "Platform data is missing\n"); + return -EINVAL; + } + + /* Board has to be wired properly to use this feature */ + if (twl6030_power_use_poweroff(pdata, node) && !pm_power_off) + pm_power_off = twl6030_power_off; + + return 0; +} + +static int twl6030_power_remove(struct platform_device *pdev) +{ + return 0; +} + +static struct platform_driver twl6030_power_driver = { + .driver = { + .name = "twl6030_power", + .of_match_table = of_match_ptr(twl6030_power_of_match), + }, + .probe = twl6030_power_probe, + .remove = twl6030_power_remove, +}; + +module_platform_driver(twl6030_power_driver); + +MODULE_AUTHOR("Paul Kocialkowski <contact@paulk.fr>"); +MODULE_DESCRIPTION("Power management for TWL6030"); +MODULE_LICENSE("GPL");
This adds a TWL6030 power driver, that currently only supports powering off the device when the TWL is used as system power controller. This driver might be extended to support more power-related features of the TWL6030. Signed-off-by: Paul Kocialkowski <contact@paulk.fr> --- .../devicetree/bindings/mfd/twl6030-power.txt | 31 +++++++ drivers/mfd/Kconfig | 10 ++ drivers/mfd/Makefile | 5 +- drivers/mfd/twl-core.c | 8 ++ drivers/mfd/twl6030-power.c | 102 +++++++++++++++++++++ 5 files changed, 154 insertions(+), 2 deletions(-) create mode 100644 Documentation/devicetree/bindings/mfd/twl6030-power.txt create mode 100644 drivers/mfd/twl6030-power.c