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authorRafael J. Wysocki <rjw@sisk.pl>2011-12-21 21:59:45 +0100
committerRafael J. Wysocki <rjw@sisk.pl>2011-12-21 21:59:45 +0100
commitb00f4dc5ff022cb9cbaffd376d9454d7fa1e496f (patch)
tree40f1b232e2f1e8ac365317a14fdcbcb331722b46 /drivers/regulator/twl-regulator.c
parent1eac8111e0763853266a171ce11214da3a347a0a (diff)
parentb9e26dfdad5a4f9cbdaacafac6998614cc9c41bc (diff)
Merge branch 'master' into pm-sleep
* master: (848 commits) SELinux: Fix RCU deref check warning in sel_netport_insert() binary_sysctl(): fix memory leak mm/vmalloc.c: remove static declaration of va from __get_vm_area_node ipmi_watchdog: restore settings when BMC reset oom: fix integer overflow of points in oom_badness memcg: keep root group unchanged if creation fails nilfs2: potential integer overflow in nilfs_ioctl_clean_segments() nilfs2: unbreak compat ioctl cpusets: stall when updating mems_allowed for mempolicy or disjoint nodemask evm: prevent racing during tfm allocation evm: key must be set once during initialization mmc: vub300: fix type of firmware_rom_wait_states module parameter Revert "mmc: enable runtime PM by default" mmc: sdhci: remove "state" argument from sdhci_suspend_host x86, dumpstack: Fix code bytes breakage due to missing KERN_CONT IB/qib: Correct sense on freectxts increment and decrement RDMA/cma: Verify private data length cgroups: fix a css_set not found bug in cgroup_attach_proc oprofile: Fix uninitialized memory access when writing to writing to oprofilefs Revert "xen/pv-on-hvm kexec: add xs_reset_watches to shutdown watches from old kernel" ... Conflicts: kernel/cgroup_freezer.c
Diffstat (limited to 'drivers/regulator/twl-regulator.c')
-rw-r--r--drivers/regulator/twl-regulator.c46
1 files changed, 44 insertions, 2 deletions
diff --git a/drivers/regulator/twl-regulator.c b/drivers/regulator/twl-regulator.c
index ee8747f4fa0..11cc308d66e 100644
--- a/drivers/regulator/twl-regulator.c
+++ b/drivers/regulator/twl-regulator.c
@@ -71,6 +71,7 @@ struct twlreg_info {
#define VREG_TYPE 1
#define VREG_REMAP 2
#define VREG_DEDICATED 3 /* LDO control */
+#define VREG_VOLTAGE_SMPS_4030 9
/* TWL6030 register offsets */
#define VREG_TRANS 1
#define VREG_STATE 2
@@ -514,6 +515,32 @@ static struct regulator_ops twl4030ldo_ops = {
.get_status = twl4030reg_get_status,
};
+static int
+twl4030smps_set_voltage(struct regulator_dev *rdev, int min_uV, int max_uV,
+ unsigned *selector)
+{
+ struct twlreg_info *info = rdev_get_drvdata(rdev);
+ int vsel = DIV_ROUND_UP(min_uV - 600000, 12500);
+
+ twlreg_write(info, TWL_MODULE_PM_RECEIVER, VREG_VOLTAGE_SMPS_4030,
+ vsel);
+ return 0;
+}
+
+static int twl4030smps_get_voltage(struct regulator_dev *rdev)
+{
+ struct twlreg_info *info = rdev_get_drvdata(rdev);
+ int vsel = twlreg_read(info, TWL_MODULE_PM_RECEIVER,
+ VREG_VOLTAGE_SMPS_4030);
+
+ return vsel * 12500 + 600000;
+}
+
+static struct regulator_ops twl4030smps_ops = {
+ .set_voltage = twl4030smps_set_voltage,
+ .get_voltage = twl4030smps_get_voltage,
+};
+
static int twl6030ldo_list_voltage(struct regulator_dev *rdev, unsigned index)
{
struct twlreg_info *info = rdev_get_drvdata(rdev);
@@ -856,6 +883,21 @@ static struct regulator_ops twlsmps_ops = {
}, \
}
+#define TWL4030_ADJUSTABLE_SMPS(label, offset, num, turnon_delay, remap_conf) \
+ { \
+ .base = offset, \
+ .id = num, \
+ .delay = turnon_delay, \
+ .remap = remap_conf, \
+ .desc = { \
+ .name = #label, \
+ .id = TWL4030_REG_##label, \
+ .ops = &twl4030smps_ops, \
+ .type = REGULATOR_VOLTAGE, \
+ .owner = THIS_MODULE, \
+ }, \
+ }
+
#define TWL6030_ADJUSTABLE_LDO(label, offset, min_mVolts, max_mVolts) { \
.base = offset, \
.min_mV = min_mVolts, \
@@ -947,8 +989,8 @@ static struct twlreg_info twl_regs[] = {
TWL4030_ADJUSTABLE_LDO(VINTANA2, 0x43, 12, 100, 0x08),
TWL4030_FIXED_LDO(VINTDIG, 0x47, 1500, 13, 100, 0x08),
TWL4030_ADJUSTABLE_LDO(VIO, 0x4b, 14, 1000, 0x08),
- TWL4030_ADJUSTABLE_LDO(VDD1, 0x55, 15, 1000, 0x08),
- TWL4030_ADJUSTABLE_LDO(VDD2, 0x63, 16, 1000, 0x08),
+ TWL4030_ADJUSTABLE_SMPS(VDD1, 0x55, 15, 1000, 0x08),
+ TWL4030_ADJUSTABLE_SMPS(VDD2, 0x63, 16, 1000, 0x08),
TWL4030_FIXED_LDO(VUSB1V5, 0x71, 1500, 17, 100, 0x08),
TWL4030_FIXED_LDO(VUSB1V8, 0x74, 1800, 18, 100, 0x08),
TWL4030_FIXED_LDO(VUSB3V1, 0x77, 3100, 19, 150, 0x08),