| Message ID | 1311627177-26388-1-git-send-email-broonie@opensource.wolfsonmicro.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
Mark Brown wrote: > > Allow us to ramp VDDARM quickly by using a GPIO to signal a voltage change > instead of doing a register write. > > Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> > --- > arch/arm/mach-s3c64xx/mach-crag6410.c | 9 +++++++++ > 1 files changed, 9 insertions(+), 0 deletions(-) > > diff --git a/arch/arm/mach-s3c64xx/mach-crag6410.c b/arch/arm/mach- > s3c64xx/mach-crag6410.c > index d59afa1..2005d5f 100644 > --- a/arch/arm/mach-s3c64xx/mach-crag6410.c > +++ b/arch/arm/mach-s3c64xx/mach-crag6410.c > @@ -376,6 +376,12 @@ static struct pca953x_platform_data crag6410_pca_data > = { > .irq_base = 0, > }; > > +/* VDDARM is controlled by DVS1 connected to GPK(0) */ > +static struct wm831x_buckv_pdata vddarm_pdata = { > + .dvs_control_src = 1, > + .dvs_gpio = S3C64XX_GPK(0), > +}; > + > static struct regulator_consumer_supply vddarm_consumers[] __initdata = { > REGULATOR_SUPPLY("vddarm", NULL), > }; > @@ -391,6 +397,7 @@ static struct regulator_init_data vddarm __initdata = { > .num_consumer_supplies = ARRAY_SIZE(vddarm_consumers), > .consumer_supplies = vddarm_consumers, > .supply_regulator = "WALLVDD", > + .driver_data = &vddarm_pdata, > }; > > static struct regulator_init_data vddint __initdata = { > @@ -526,6 +533,8 @@ static struct wm831x_pdata crag_pmic_pdata __initdata = > { > .backup = &banff_backup_pdata, > > .gpio_defaults = { > + /* GPIO5: DVS1_REQ - CMOS, DBVDD, active high */ > + [4] = WM831X_GPN_DIR | WM831X_GPN_POL | > WM831X_GPN_ENA | 0x8, > /* GPIO11: Touchscreen data - CMOS, DBVDD, active high*/ > [10] = WM831X_GPN_POL | WM831X_GPN_ENA | 0x6, > /* GPIO12: Touchscreen pen down - CMOS, DBVDD, active > high*/ > -- > 1.7.5.4 Applied, thanks. Best regards, Kgene. -- Kukjin Kim <kgene.kim@samsung.com>, Senior Engineer, SW Solution Development Team, Samsung Electronics Co., Ltd.
diff --git a/arch/arm/mach-s3c64xx/mach-crag6410.c b/arch/arm/mach-s3c64xx/mach-crag6410.c index d59afa1..2005d5f 100644 --- a/arch/arm/mach-s3c64xx/mach-crag6410.c +++ b/arch/arm/mach-s3c64xx/mach-crag6410.c @@ -376,6 +376,12 @@ static struct pca953x_platform_data crag6410_pca_data = { .irq_base = 0, }; +/* VDDARM is controlled by DVS1 connected to GPK(0) */ +static struct wm831x_buckv_pdata vddarm_pdata = { + .dvs_control_src = 1, + .dvs_gpio = S3C64XX_GPK(0), +}; + static struct regulator_consumer_supply vddarm_consumers[] __initdata = { REGULATOR_SUPPLY("vddarm", NULL), }; @@ -391,6 +397,7 @@ static struct regulator_init_data vddarm __initdata = { .num_consumer_supplies = ARRAY_SIZE(vddarm_consumers), .consumer_supplies = vddarm_consumers, .supply_regulator = "WALLVDD", + .driver_data = &vddarm_pdata, }; static struct regulator_init_data vddint __initdata = { @@ -526,6 +533,8 @@ static struct wm831x_pdata crag_pmic_pdata __initdata = { .backup = &banff_backup_pdata, .gpio_defaults = { + /* GPIO5: DVS1_REQ - CMOS, DBVDD, active high */ + [4] = WM831X_GPN_DIR | WM831X_GPN_POL | WM831X_GPN_ENA | 0x8, /* GPIO11: Touchscreen data - CMOS, DBVDD, active high*/ [10] = WM831X_GPN_POL | WM831X_GPN_ENA | 0x6, /* GPIO12: Touchscreen pen down - CMOS, DBVDD, active high*/
Allow us to ramp VDDARM quickly by using a GPIO to signal a voltage change instead of doing a register write. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> --- arch/arm/mach-s3c64xx/mach-crag6410.c | 9 +++++++++ 1 files changed, 9 insertions(+), 0 deletions(-)