Support varying voltages:
- GPIODVS for Buck2 is removed.
- Voltage ragne for Buck2 is widen.

Support Buck2 regulator for Exynos4210-bus devfreq driver:
- Added device name for buck2 regulator
- Added exynos4210-busfreq platform device fro Nuri board.

Signed-off-by: MyungJoo Ham <[email protected]>
Signed-off-by: Kyungmin Park <[email protected]>
---
 arch/arm/mach-exynos/mach-nuri.c |   11 ++++++++---
 1 files changed, 8 insertions(+), 3 deletions(-)

diff --git a/arch/arm/mach-exynos/mach-nuri.c b/arch/arm/mach-exynos/mach-nuri.c
index 236bbe1..c28f045 100644
--- a/arch/arm/mach-exynos/mach-nuri.c
+++ b/arch/arm/mach-exynos/mach-nuri.c
@@ -434,7 +434,7 @@ static struct regulator_consumer_supply __initdata 
max8997_buck1_[] = {
        REGULATOR_SUPPLY("vdd_arm", NULL), /* CPUFREQ */
 };
 static struct regulator_consumer_supply __initdata max8997_buck2_[] = {
-       REGULATOR_SUPPLY("vdd_int", NULL), /* CPUFREQ */
+       REGULATOR_SUPPLY("vdd_int", "exynos4210-busfreq.0"), /* CPUFREQ */
 };
 static struct regulator_consumer_supply __initdata max8997_buck3_[] = {
        REGULATOR_SUPPLY("vdd", "mali_dev.0"), /* G3D of Exynos 4 */
@@ -745,7 +745,7 @@ static struct regulator_init_data __initdata 
max8997_buck2_data = {
        .constraints    = {
                .name           = "VINT_1.1V_C210",
                .min_uV         = 900000,
-               .max_uV         = 1100000,
+               .max_uV         = 1200000,
                .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
                .always_on      = 1,
                .state_mem      = {
@@ -960,7 +960,6 @@ static struct max8997_platform_data __initdata 
nuri_max8997_pdata = {
        .regulators             = nuri_max8997_regulators,
 
        .buck125_gpios = { EXYNOS4_GPX0(5), EXYNOS4_GPX0(6), EXYNOS4_GPL0(0) },
-       .buck2_gpiodvs = true,
 
        .buck1_voltage[0] = 1350000, /* 1.35V */
        .buck1_voltage[1] = 1300000, /* 1.3V */
@@ -1242,6 +1241,11 @@ static struct s3c2410_platform_i2c nuri_i2c0_platdata 
__initdata = {
        .sda_delay      = 200,
 };
 
+/* DEVFREQ controlling memory/bus */
+static struct platform_device exynos4_bus_devfreq = {
+       .name                   = "exynos4210-busfreq",
+};
+
 static struct platform_device *nuri_devices[] __initdata = {
        /* Samsung Platform Devices */
        &s3c_device_i2c5, /* PMIC should initialize first */
@@ -1279,6 +1283,7 @@ static struct platform_device *nuri_devices[] __initdata 
= {
        &nuri_max8903_device,
        &cam_vdda_fixed_rdev,
        &cam_8m_12v_fixed_rdev,
+       &exynos4_bus_devfreq,
 };
 
 static void __init nuri_map_io(void)
-- 
1.7.4.1

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