| Message ID | 1311010522-5868-4-git-send-email-t-kristo@ti.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
Hi, On Mon, Jul 18, 2011 at 08:35:19PM +0300, Tero Kristo wrote: > diff --git a/drivers/regulator/omap-smps-regulator.c b/drivers/regulator/omap-smps-regulator.c > new file mode 100644 > index 0000000..8b56e4f > --- /dev/null > +++ b/drivers/regulator/omap-smps-regulator.c > @@ -0,0 +1,179 @@ > +/* > + * omap-vp-regulator.c -- support SMPS regulators for OMAP chips name is wrong here. > + * > + * Copyright (C) 2011 Texas Instruments, Inc. > + * > + * This program is free software; you can redistribute it and/or modify > + * it under the terms of the GNU General Public License as published by > + * the Free Software Foundation; either version 2 of the License, or > + * (at your option) any later version. > + */ > + > +#include <linux/kernel.h> > +#include <linux/ctype.h> > +#include <linux/module.h> > +#include <linux/slab.h> > +#include <linux/init.h> > +#include <linux/err.h> > +#include <linux/delay.h> > +#include <linux/platform_device.h> > +#include <linux/regulator/driver.h> > +#include <linux/regulator/machine.h> > +#include <linux/regulator/omap-smps.h> > +#include <plat/voltage.h> > + > +#define DRIVER_NAME "omap-smps" > + > +struct omap_smps_reg_info { > + const char *vdd_name; > + struct regulator_dev *rdev; > + struct voltagedomain *voltdm; > + struct regulator_desc desc; > +}; > + > +static int omap_smps_set_voltage(struct regulator_dev *rdev, int min_uV, > + int max_uV, unsigned *selector) > +{ > + struct omap_smps_reg_info *info = rdev_get_drvdata(rdev); > + return voltdm_scale(info->voltdm, min_uV); > +} > + > +static int omap_smps_get_voltage(struct regulator_dev *rdev) > +{ > + struct omap_smps_reg_info *info = rdev_get_drvdata(rdev); > + return omap_vp_get_curr_volt(info->voltdm); > +} > + > +static struct regulator_ops omap_smps_ops = { should this be const ?
Felipe Balbi <balbi@ti.com> writes: > On Mon, Jul 18, 2011 at 08:35:19PM +0300, Tero Kristo wrote: >> diff --git a/drivers/regulator/omap-smps-regulator.c b/drivers/regulator/omap-smps-regulator.c >> new file mode 100644 >> index 0000000..8b56e4f >> --- /dev/null >> +++ b/drivers/regulator/omap-smps-regulator.c >> @@ -0,0 +1,179 @@ >> +/* >> + * omap-vp-regulator.c -- support SMPS regulators for OMAP chips > > name is wrong here. In fact, just leave filenames out of file headers all together to avoid this kind of problem. Kevin -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
On Tue, 2011-07-19 at 01:40 +0200, Hilman, Kevin wrote: > Felipe Balbi <balbi@ti.com> writes: > > > On Mon, Jul 18, 2011 at 08:35:19PM +0300, Tero Kristo wrote: > >> diff --git a/drivers/regulator/omap-smps-regulator.c b/drivers/regulator/omap-smps-regulator.c > >> new file mode 100644 > >> index 0000000..8b56e4f > >> --- /dev/null > >> +++ b/drivers/regulator/omap-smps-regulator.c > >> @@ -0,0 +1,179 @@ > >> +/* > >> + * omap-vp-regulator.c -- support SMPS regulators for OMAP chips > > > > name is wrong here. > > In fact, just leave filenames out of file headers all together to avoid > this kind of problem. Yea, can drop that out. Texas Instruments Oy, Tekniikantie 12, 02150 Espoo. Y-tunnus: 0115040-6. Kotipaikka: Helsinki -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
On Mon, 2011-07-18 at 20:22 +0200, Balbi, Felipe wrote: > Hi, > > On Mon, Jul 18, 2011 at 08:35:19PM +0300, Tero Kristo wrote: > > diff --git a/drivers/regulator/omap-smps-regulator.c b/drivers/regulator/omap-smps-regulator.c > > new file mode 100644 > > index 0000000..8b56e4f > > --- /dev/null > > +++ b/drivers/regulator/omap-smps-regulator.c > > @@ -0,0 +1,179 @@ > > +/* > > + * omap-vp-regulator.c -- support SMPS regulators for OMAP chips > > name is wrong here. > > > + * > > + * Copyright (C) 2011 Texas Instruments, Inc. > > + * > > + * This program is free software; you can redistribute it and/or modify > > + * it under the terms of the GNU General Public License as published by > > + * the Free Software Foundation; either version 2 of the License, or > > + * (at your option) any later version. > > + */ > > + > > +#include <linux/kernel.h> > > +#include <linux/ctype.h> > > +#include <linux/module.h> > > +#include <linux/slab.h> > > +#include <linux/init.h> > > +#include <linux/err.h> > > +#include <linux/delay.h> > > +#include <linux/platform_device.h> > > +#include <linux/regulator/driver.h> > > +#include <linux/regulator/machine.h> > > +#include <linux/regulator/omap-smps.h> > > +#include <plat/voltage.h> > > + > > +#define DRIVER_NAME "omap-smps" > > + > > +struct omap_smps_reg_info { > > + const char *vdd_name; > > + struct regulator_dev *rdev; > > + struct voltagedomain *voltdm; > > + struct regulator_desc desc; > > +}; > > + > > +static int omap_smps_set_voltage(struct regulator_dev *rdev, int min_uV, > > + int max_uV, unsigned *selector) > > +{ > > + struct omap_smps_reg_info *info = rdev_get_drvdata(rdev); > > + return voltdm_scale(info->voltdm, min_uV); > > +} > > + > > +static int omap_smps_get_voltage(struct regulator_dev *rdev) > > +{ > > + struct omap_smps_reg_info *info = rdev_get_drvdata(rdev); > > + return omap_vp_get_curr_volt(info->voltdm); > > +} > > + > > +static struct regulator_ops omap_smps_ops = { > > should this be const ? > I think it can be yea, I'll change that for next version. Texas Instruments Oy, Tekniikantie 12, 02150 Espoo. Y-tunnus: 0115040-6. Kotipaikka: Helsinki -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
On 07/18/2011 06:35 PM, Tero Kristo wrote: > OMAP SMPS regulator driver provides access to OMAP voltage processor > controlled regulators. These include VDD_MPU and VDD_CORE for OMAP3 and > additionally VDD_IVA for OMAP4. SMPS regulators use the OMAP voltage > layer for the actual voltage regulation operations. > > Signed-off-by: Tero Kristo <t-kristo@ti.com> > Cc: Kevin Hilman <khilman@ti.com> > Cc: Tony Lindgren <tony@atomide.com> > Cc: Todd Poynor <toddpoynor@google.com> > Cc: Mark Brown <broonie@opensource.wolfsonmicro.com> > Cc: Liam Girdwood <lrg@ti.com> > --- > drivers/regulator/Kconfig | 9 ++ > drivers/regulator/Makefile | 1 + > drivers/regulator/omap-smps-regulator.c | 180 +++++++++++++++++++++++++++++++ > include/linux/regulator/omap-smps.h | 20 ++++ > 4 files changed, 210 insertions(+), 0 deletions(-) > create mode 100644 drivers/regulator/omap-smps-regulator.c > create mode 100644 include/linux/regulator/omap-smps.h > > diff --git a/drivers/regulator/Kconfig b/drivers/regulator/Kconfig > index d7ed20f..bb18ff2 100644 > --- a/drivers/regulator/Kconfig > +++ b/drivers/regulator/Kconfig > @@ -303,5 +303,14 @@ config REGULATOR_TPS65910 > help > This driver supports TPS65910 voltage regulator chips. > > +config REGULATOR_OMAP_SMPS > + tristate "TI OMAP SMPS Power Regulators" > + depends on (ARCH_OMAP3 || ARCH_OMAP4) && PM && TWL4030_CORE > + help > + This driver supports the OMAP3 / OMAP4 SMPS regulators for VDD1, > + VDD2 and VDD3. These regulators reside inside the TWL4030 / > + TWL6030 chip but are accessed using the voltage processor > + interface of OMAP. > + > endif > > diff --git a/drivers/regulator/Makefile b/drivers/regulator/Makefile > index 3932d2e..191e3d5 100644 > --- a/drivers/regulator/Makefile > +++ b/drivers/regulator/Makefile > @@ -43,5 +43,6 @@ obj-$(CONFIG_REGULATOR_ISL6271A) += isl6271a-regulator.o > obj-$(CONFIG_REGULATOR_AB8500) += ab8500.o > obj-$(CONFIG_REGULATOR_DB8500_PRCMU) += db8500-prcmu.o > obj-$(CONFIG_REGULATOR_TPS65910) += tps65910-regulator.o > +obj-$(CONFIG_REGULATOR_OMAP_SMPS) += omap-smps-regulator.o > > ccflags-$(CONFIG_REGULATOR_DEBUG) += -DDEBUG > diff --git a/drivers/regulator/omap-smps-regulator.c b/drivers/regulator/omap-smps-regulator.c > new file mode 100644 > index 0000000..8b56e4f > --- /dev/null > +++ b/drivers/regulator/omap-smps-regulator.c > @@ -0,0 +1,179 @@ > +/* > + * omap-vp-regulator.c -- support SMPS regulators for OMAP chips > + * > + * Copyright (C) 2011 Texas Instruments, Inc. > + * > + * This program is free software; you can redistribute it and/or modify > + * it under the terms of the GNU General Public License as published by > + * the Free Software Foundation; either version 2 of the License, or > + * (at your option) any later version. > + */ > + > +#include <linux/kernel.h> > +#include <linux/ctype.h> > +#include <linux/module.h> > +#include <linux/slab.h> > +#include <linux/init.h> > +#include <linux/err.h> > +#include <linux/delay.h> > +#include <linux/platform_device.h> > +#include <linux/regulator/driver.h> > +#include <linux/regulator/machine.h> > +#include <linux/regulator/omap-smps.h> > +#include <plat/voltage.h> > + > +#define DRIVER_NAME "omap-smps" > + > +struct omap_smps_reg_info { > + const char *vdd_name; > + struct regulator_dev *rdev; > + struct voltagedomain *voltdm; > + struct regulator_desc desc; > +}; > + > +static int omap_smps_set_voltage(struct regulator_dev *rdev, int min_uV, > + int max_uV, unsigned *selector) > +{ > + struct omap_smps_reg_info *info = rdev_get_drvdata(rdev); > + return voltdm_scale(info->voltdm, min_uV); > +} > + > +static int omap_smps_get_voltage(struct regulator_dev *rdev) > +{ > + struct omap_smps_reg_info *info = rdev_get_drvdata(rdev); > + return omap_vp_get_curr_volt(info->voltdm); > +} > + > +static struct regulator_ops omap_smps_ops = { > + .set_voltage = omap_smps_set_voltage, > + .get_voltage = omap_smps_get_voltage, > +}; > + > +#define SMPS_REG(name) { \ > + .vdd_name = #name, \ > + .desc = { \ > + .ops = &omap_smps_ops, \ > + .type = REGULATOR_VOLTAGE, \ > + .owner = THIS_MODULE, \ > + }, \ > + } > + > +static struct omap_smps_reg_info omap_smps_regs[] = { > + SMPS_REG(mpu), > + SMPS_REG(mpu_iva), > + SMPS_REG(iva), > + SMPS_REG(core), > +}; > + > +static void omap_smps_reg_cleanup(void) > +{ > + int i; > + struct omap_smps_reg_info *info; > + > + for (i = 0; i < ARRAY_SIZE(omap_smps_regs); i++) { > + info = &omap_smps_regs[i]; > + if (info->rdev) { > + regulator_unregister(info->rdev); > + info->rdev = NULL; > + } > + > + kfree(info->desc.name); > + info->desc.name = NULL; > + } > +} > + > +static struct regulator_init_data dummy_initdata __initdata; > + > +static int __devinit omap_smps_reg_probe(struct platform_device *pdev) > +{ > + int i, j, ret; > + struct omap_smps_reg_info *info; > + struct omap_smps_platform_data *pdata; > + struct regulator_dev *rdev; > + struct regulator_init_data *initdata; > + struct voltagedomain *voltdm; > + char *name; > + > + pdata = pdev->dev.platform_data; > + > + for (i = 0; i < ARRAY_SIZE(omap_smps_regs); i++) { > + initdata = &dummy_initdata; > + info = &omap_smps_regs[i]; > + > + for (j = 0; j < pdata->num_regulators; j++) > + if (!strcmp(info->vdd_name, > + pdata->regulators[j]->consumer_supplies[0]. > + dev_name)) { > + initdata = pdata->regulators[j]; > + break; > + } > + > + voltdm = voltdm_lookup(info->vdd_name); > + > + if (!voltdm) > + continue; > + > + info->voltdm = voltdm; > + > + name = kmalloc(strlen(info->vdd_name) + 5, GFP_KERNEL); > + > + if (!name) { > + ret = -ENOMEM; > + goto err; > + } > + > + sprintf(name, "VDD_%s", info->vdd_name); > + > + for (j = 0; j < strlen(name); j++) > + name[j] = toupper(name[j]); > + > + info->desc.name = name; > + > + rdev = regulator_register(&info->desc, &pdev->dev, initdata, > + info); > + > + if (IS_ERR(rdev)) { > + dev_err(&pdev->dev, "can't register %s, %ld\n", > + info->desc.name, PTR_ERR(rdev)); > + ret = PTR_ERR(rdev); > + goto err; > + } > + > + info->rdev = rdev; > + } > + > + return 0; > +err: > + omap_smps_reg_cleanup(); > + return ret; > +} > + > +static int omap_smps_reg_remove(struct platform_device *pdev) > +{ > + omap_smps_reg_cleanup(); > + return 0; > +} > + > +static struct platform_driver omap_smps_reg_driver = { > + .probe = omap_smps_reg_probe, > + .remove = __devexit_p(omap_smps_reg_remove), > + .driver.name = DRIVER_NAME, > + .driver.owner = THIS_MODULE, > +}; > + > +static int __init omap_smps_reg_init(void) > +{ > + return platform_driver_register(&omap_smps_reg_driver); > +} > +subsys_initcall(omap_smps_reg_init); > + > +static void __exit omap_smps_reg_exit(void) > +{ > + platform_driver_unregister(&omap_smps_reg_driver); > +} > +module_exit(omap_smps_reg_exit); > + > +MODULE_ALIAS("platform:"DRIVER_NAME); > +MODULE_AUTHOR("Tero Kristo <t-kristo@ti.com>"); > +MODULE_DESCRIPTION("OMAP SMPS regulator driver"); > +MODULE_LICENSE("GPL"); > diff --git a/include/linux/regulator/omap-smps.h b/include/linux/regulator/omap-smps.h > new file mode 100644 > index 0000000..1d5f940 > --- /dev/null > +++ b/include/linux/regulator/omap-smps.h > @@ -0,0 +1,20 @@ > +/* > + * omap-smps.h - header for OMAP SMPS regulator support > + * > + * Copyright (C) 2011 Texas Instruments, Inc. > + * > + * > + * 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. > + */ > + > +#ifndef __OMAP_SMPS_H__ > +#define __OMAP_SMPS_H__ > + > +struct omap_smps_platform_data { > + struct regulator_init_data **regulators; > + int num_regulators; > +}; > + > +#endif /* End of __OMAP_SMPS_H__ */ This does not conflict with my driver for the same functionality on non omap CPUs which is still waiting for me to clean up and upstream. So Acked-by: Graeme Gregory <gg@slimlogic.co.uk> Graeme -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
On Mon, Jul 18, 2011 at 08:35:19PM +0300, Tero Kristo wrote: > OMAP SMPS regulator driver provides access to OMAP voltage processor > controlled regulators. These include VDD_MPU and VDD_CORE for OMAP3 and > additionally VDD_IVA for OMAP4. SMPS regulators use the OMAP voltage > layer for the actual voltage regulation operations. > +config REGULATOR_OMAP_SMPS > + tristate "TI OMAP SMPS Power Regulators" > + depends on (ARCH_OMAP3 || ARCH_OMAP4) && PM && TWL4030_CORE Why does this depend on TWL4030_CORE or PM? -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
On Tue, 2011-07-19 at 17:38 +0200, Mark Brown wrote: > On Mon, Jul 18, 2011 at 08:35:19PM +0300, Tero Kristo wrote: > > OMAP SMPS regulator driver provides access to OMAP voltage processor > > controlled regulators. These include VDD_MPU and VDD_CORE for OMAP3 and > > additionally VDD_IVA for OMAP4. SMPS regulators use the OMAP voltage > > layer for the actual voltage regulation operations. > > > > +config REGULATOR_OMAP_SMPS > > + tristate "TI OMAP SMPS Power Regulators" > > + depends on (ARCH_OMAP3 || ARCH_OMAP4) && PM && TWL4030_CORE > > Why does this depend on TWL4030_CORE or PM? Oh forgot that one, TWL_CORE can be removed, PM must be there because the depending libraries are only built when PM is enabled. Texas Instruments Oy, Tekniikantie 12, 02150 Espoo. Y-tunnus: 0115040-6. Kotipaikka: Helsinki -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/drivers/regulator/Kconfig b/drivers/regulator/Kconfig index d7ed20f..bb18ff2 100644 --- a/drivers/regulator/Kconfig +++ b/drivers/regulator/Kconfig @@ -303,5 +303,14 @@ config REGULATOR_TPS65910 help This driver supports TPS65910 voltage regulator chips. +config REGULATOR_OMAP_SMPS + tristate "TI OMAP SMPS Power Regulators" + depends on (ARCH_OMAP3 || ARCH_OMAP4) && PM && TWL4030_CORE + help + This driver supports the OMAP3 / OMAP4 SMPS regulators for VDD1, + VDD2 and VDD3. These regulators reside inside the TWL4030 / + TWL6030 chip but are accessed using the voltage processor + interface of OMAP. + endif diff --git a/drivers/regulator/Makefile b/drivers/regulator/Makefile index 3932d2e..191e3d5 100644 --- a/drivers/regulator/Makefile +++ b/drivers/regulator/Makefile @@ -43,5 +43,6 @@ obj-$(CONFIG_REGULATOR_ISL6271A) += isl6271a-regulator.o obj-$(CONFIG_REGULATOR_AB8500) += ab8500.o obj-$(CONFIG_REGULATOR_DB8500_PRCMU) += db8500-prcmu.o obj-$(CONFIG_REGULATOR_TPS65910) += tps65910-regulator.o +obj-$(CONFIG_REGULATOR_OMAP_SMPS) += omap-smps-regulator.o ccflags-$(CONFIG_REGULATOR_DEBUG) += -DDEBUG diff --git a/drivers/regulator/omap-smps-regulator.c b/drivers/regulator/omap-smps-regulator.c new file mode 100644 index 0000000..8b56e4f --- /dev/null +++ b/drivers/regulator/omap-smps-regulator.c @@ -0,0 +1,179 @@ +/* + * omap-vp-regulator.c -- support SMPS regulators for OMAP chips + * + * Copyright (C) 2011 Texas Instruments, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + */ + +#include <linux/kernel.h> +#include <linux/ctype.h> +#include <linux/module.h> +#include <linux/slab.h> +#include <linux/init.h> +#include <linux/err.h> +#include <linux/delay.h> +#include <linux/platform_device.h> +#include <linux/regulator/driver.h> +#include <linux/regulator/machine.h> +#include <linux/regulator/omap-smps.h> +#include <plat/voltage.h> + +#define DRIVER_NAME "omap-smps" + +struct omap_smps_reg_info { + const char *vdd_name; + struct regulator_dev *rdev; + struct voltagedomain *voltdm; + struct regulator_desc desc; +}; + +static int omap_smps_set_voltage(struct regulator_dev *rdev, int min_uV, + int max_uV, unsigned *selector) +{ + struct omap_smps_reg_info *info = rdev_get_drvdata(rdev); + return voltdm_scale(info->voltdm, min_uV); +} + +static int omap_smps_get_voltage(struct regulator_dev *rdev) +{ + struct omap_smps_reg_info *info = rdev_get_drvdata(rdev); + return omap_vp_get_curr_volt(info->voltdm); +} + +static struct regulator_ops omap_smps_ops = { + .set_voltage = omap_smps_set_voltage, + .get_voltage = omap_smps_get_voltage, +}; + +#define SMPS_REG(name) { \ + .vdd_name = #name, \ + .desc = { \ + .ops = &omap_smps_ops, \ + .type = REGULATOR_VOLTAGE, \ + .owner = THIS_MODULE, \ + }, \ + } + +static struct omap_smps_reg_info omap_smps_regs[] = { + SMPS_REG(mpu), + SMPS_REG(mpu_iva), + SMPS_REG(iva), + SMPS_REG(core), +}; + +static void omap_smps_reg_cleanup(void) +{ + int i; + struct omap_smps_reg_info *info; + + for (i = 0; i < ARRAY_SIZE(omap_smps_regs); i++) { + info = &omap_smps_regs[i]; + if (info->rdev) { + regulator_unregister(info->rdev); + info->rdev = NULL; + } + + kfree(info->desc.name); + info->desc.name = NULL; + } +} + +static struct regulator_init_data dummy_initdata __initdata; + +static int __devinit omap_smps_reg_probe(struct platform_device *pdev) +{ + int i, j, ret; + struct omap_smps_reg_info *info; + struct omap_smps_platform_data *pdata; + struct regulator_dev *rdev; + struct regulator_init_data *initdata; + struct voltagedomain *voltdm; + char *name; + + pdata = pdev->dev.platform_data; + + for (i = 0; i < ARRAY_SIZE(omap_smps_regs); i++) { + initdata = &dummy_initdata; + info = &omap_smps_regs[i]; + + for (j = 0; j < pdata->num_regulators; j++) + if (!strcmp(info->vdd_name, + pdata->regulators[j]->consumer_supplies[0]. + dev_name)) { + initdata = pdata->regulators[j]; + break; + } + + voltdm = voltdm_lookup(info->vdd_name); + + if (!voltdm) + continue; + + info->voltdm = voltdm; + + name = kmalloc(strlen(info->vdd_name) + 5, GFP_KERNEL); + + if (!name) { + ret = -ENOMEM; + goto err; + } + + sprintf(name, "VDD_%s", info->vdd_name); + + for (j = 0; j < strlen(name); j++) + name[j] = toupper(name[j]); + + info->desc.name = name; + + rdev = regulator_register(&info->desc, &pdev->dev, initdata, + info); + + if (IS_ERR(rdev)) { + dev_err(&pdev->dev, "can't register %s, %ld\n", + info->desc.name, PTR_ERR(rdev)); + ret = PTR_ERR(rdev); + goto err; + } + + info->rdev = rdev; + } + + return 0; +err: + omap_smps_reg_cleanup(); + return ret; +} + +static int omap_smps_reg_remove(struct platform_device *pdev) +{ + omap_smps_reg_cleanup(); + return 0; +} + +static struct platform_driver omap_smps_reg_driver = { + .probe = omap_smps_reg_probe, + .remove = __devexit_p(omap_smps_reg_remove), + .driver.name = DRIVER_NAME, + .driver.owner = THIS_MODULE, +}; + +static int __init omap_smps_reg_init(void) +{ + return platform_driver_register(&omap_smps_reg_driver); +} +subsys_initcall(omap_smps_reg_init); + +static void __exit omap_smps_reg_exit(void) +{ + platform_driver_unregister(&omap_smps_reg_driver); +} +module_exit(omap_smps_reg_exit); + +MODULE_ALIAS("platform:"DRIVER_NAME); +MODULE_AUTHOR("Tero Kristo <t-kristo@ti.com>"); +MODULE_DESCRIPTION("OMAP SMPS regulator driver"); +MODULE_LICENSE("GPL"); diff --git a/include/linux/regulator/omap-smps.h b/include/linux/regulator/omap-smps.h new file mode 100644 index 0000000..1d5f940 --- /dev/null +++ b/include/linux/regulator/omap-smps.h @@ -0,0 +1,20 @@ +/* + * omap-smps.h - header for OMAP SMPS regulator support + * + * Copyright (C) 2011 Texas Instruments, Inc. + * + * + * 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. + */ + +#ifndef __OMAP_SMPS_H__ +#define __OMAP_SMPS_H__ + +struct omap_smps_platform_data { + struct regulator_init_data **regulators; + int num_regulators; +}; + +#endif /* End of __OMAP_SMPS_H__ */
OMAP SMPS regulator driver provides access to OMAP voltage processor controlled regulators. These include VDD_MPU and VDD_CORE for OMAP3 and additionally VDD_IVA for OMAP4. SMPS regulators use the OMAP voltage layer for the actual voltage regulation operations. Signed-off-by: Tero Kristo <t-kristo@ti.com> Cc: Kevin Hilman <khilman@ti.com> Cc: Tony Lindgren <tony@atomide.com> Cc: Todd Poynor <toddpoynor@google.com> Cc: Mark Brown <broonie@opensource.wolfsonmicro.com> Cc: Liam Girdwood <lrg@ti.com> --- drivers/regulator/Kconfig | 9 ++ drivers/regulator/Makefile | 1 + drivers/regulator/omap-smps-regulator.c | 180 +++++++++++++++++++++++++++++++ include/linux/regulator/omap-smps.h | 20 ++++ 4 files changed, 210 insertions(+), 0 deletions(-) create mode 100644 drivers/regulator/omap-smps-regulator.c create mode 100644 include/linux/regulator/omap-smps.h