Skip to content

Commit

Permalink
Merge tag 'topic/twl' into regulator-next
Browse files Browse the repository at this point in the history
TWL specific changes, cross-merged with OMAP due to arch/arm wanting to
use the new ability to override the voltage set and get operations to
support the in-CPU voltage management.  The other changes are minor
fixes, the addition of a few new regulators and device tree support.
  • Loading branch information
Mark Brown committed Mar 19, 2012
2 parents 115e4bf + 46eda3e commit 4992fa1
Show file tree
Hide file tree
Showing 4 changed files with 366 additions and 84 deletions.
68 changes: 68 additions & 0 deletions Documentation/devicetree/bindings/regulator/twl-regulator.txt
Original file line number Diff line number Diff line change
@@ -0,0 +1,68 @@
TWL family of regulators

Required properties:
For twl6030 regulators/LDOs
- compatible:
- "ti,twl6030-vaux1" for VAUX1 LDO
- "ti,twl6030-vaux2" for VAUX2 LDO
- "ti,twl6030-vaux3" for VAUX3 LDO
- "ti,twl6030-vmmc" for VMMC LDO
- "ti,twl6030-vpp" for VPP LDO
- "ti,twl6030-vusim" for VUSIM LDO
- "ti,twl6030-vana" for VANA LDO
- "ti,twl6030-vcxio" for VCXIO LDO
- "ti,twl6030-vdac" for VDAC LDO
- "ti,twl6030-vusb" for VUSB LDO
- "ti,twl6030-v1v8" for V1V8 LDO
- "ti,twl6030-v2v1" for V2V1 LDO
- "ti,twl6030-clk32kg" for CLK32KG RESOURCE
- "ti,twl6030-vdd1" for VDD1 SMPS
- "ti,twl6030-vdd2" for VDD2 SMPS
- "ti,twl6030-vdd3" for VDD3 SMPS
For twl6025 regulators/LDOs
- compatible:
- "ti,twl6025-ldo1" for LDO1 LDO
- "ti,twl6025-ldo2" for LDO2 LDO
- "ti,twl6025-ldo3" for LDO3 LDO
- "ti,twl6025-ldo4" for LDO4 LDO
- "ti,twl6025-ldo5" for LDO5 LDO
- "ti,twl6025-ldo6" for LDO6 LDO
- "ti,twl6025-ldo7" for LDO7 LDO
- "ti,twl6025-ldoln" for LDOLN LDO
- "ti,twl6025-ldousb" for LDOUSB LDO
- "ti,twl6025-smps3" for SMPS3 SMPS
- "ti,twl6025-smps4" for SMPS4 SMPS
- "ti,twl6025-vio" for VIO SMPS
For twl4030 regulators/LDOs
- compatible:
- "ti,twl4030-vaux1" for VAUX1 LDO
- "ti,twl4030-vaux2" for VAUX2 LDO
- "ti,twl5030-vaux2" for VAUX2 LDO
- "ti,twl4030-vaux3" for VAUX3 LDO
- "ti,twl4030-vaux4" for VAUX4 LDO
- "ti,twl4030-vmmc1" for VMMC1 LDO
- "ti,twl4030-vmmc2" for VMMC2 LDO
- "ti,twl4030-vpll1" for VPLL1 LDO
- "ti,twl4030-vpll2" for VPLL2 LDO
- "ti,twl4030-vsim" for VSIM LDO
- "ti,twl4030-vdac" for VDAC LDO
- "ti,twl4030-vintana2" for VINTANA2 LDO
- "ti,twl4030-vio" for VIO LDO
- "ti,twl4030-vdd1" for VDD1 SMPS
- "ti,twl4030-vdd2" for VDD2 SMPS
- "ti,twl4030-vintana1" for VINTANA1 LDO
- "ti,twl4030-vintdig" for VINTDIG LDO
- "ti,twl4030-vusb1v5" for VUSB1V5 LDO
- "ti,twl4030-vusb1v8" for VUSB1V8 LDO
- "ti,twl4030-vusb3v1" for VUSB3V1 LDO

Optional properties:
- Any optional property defined in bindings/regulator/regulator.txt

Example:

xyz: regulator@0 {
compatible = "ti,twl6030-vaux1";
regulator-min-microvolt = <1000000>;
regulator-max-microvolt = <3000000>;
};
41 changes: 40 additions & 1 deletion drivers/mfd/twl-core.c
Original file line number Diff line number Diff line change
Expand Up @@ -621,6 +621,8 @@ add_regulator_linked(int num, struct regulator_init_data *pdata,
unsigned num_consumers, unsigned long features)
{
unsigned sub_chip_id;
struct twl_regulator_driver_data drv_data;

/* regulator framework demands init_data ... */
if (!pdata)
return NULL;
Expand All @@ -630,7 +632,19 @@ add_regulator_linked(int num, struct regulator_init_data *pdata,
pdata->num_consumer_supplies = num_consumers;
}

pdata->driver_data = (void *)features;
if (pdata->driver_data) {
/* If we have existing drv_data, just add the flags */
struct twl_regulator_driver_data *tmp;
tmp = pdata->driver_data;
tmp->features |= features;
} else {
/* add new driver data struct, used only during init */
drv_data.features = features;
drv_data.set_voltage = NULL;
drv_data.get_voltage = NULL;
drv_data.data = NULL;
pdata->driver_data = &drv_data;
}

/* NOTE: we currently ignore regulator IRQs, e.g. for short circuits */
sub_chip_id = twl_map[TWL_MODULE_PM_MASTER].sid;
Expand Down Expand Up @@ -937,6 +951,31 @@ add_children(struct twl4030_platform_data *pdata, unsigned long features)
/* twl6030 regulators */
if (twl_has_regulator() && twl_class_is_6030() &&
!(features & TWL6025_SUBCLASS)) {
child = add_regulator(TWL6030_REG_VDD1, pdata->vdd1,
features);
if (IS_ERR(child))
return PTR_ERR(child);

child = add_regulator(TWL6030_REG_VDD2, pdata->vdd2,
features);
if (IS_ERR(child))
return PTR_ERR(child);

child = add_regulator(TWL6030_REG_VDD3, pdata->vdd3,
features);
if (IS_ERR(child))
return PTR_ERR(child);

child = add_regulator(TWL6030_REG_V1V8, pdata->v1v8,
features);
if (IS_ERR(child))
return PTR_ERR(child);

child = add_regulator(TWL6030_REG_V2V1, pdata->v2v1,
features);
if (IS_ERR(child))
return PTR_ERR(child);

child = add_regulator(TWL6030_REG_VMMC, pdata->vmmc,
features);
if (IS_ERR(child))
Expand Down
Loading

0 comments on commit 4992fa1

Please sign in to comment.