mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-08-24 09:50:04 +00:00
Merge remote-tracking branch 'regulator/topic/tps6507x' into regulator-next
This commit is contained in:
Mark Brown
commit
da3522f85b
2 changed files with 183 additions and 0 deletions
91
Documentation/devicetree/bindings/mfd/tps6507x.txt
Executable file
91
Documentation/devicetree/bindings/mfd/tps6507x.txt
Executable file
|
|
@ -0,0 +1,91 @@
|
|||
TPS6507x Power Management Integrated Circuit
|
||||
|
||||
Required properties:
|
||||
- compatible: "ti,tps6507x"
|
||||
- reg: I2C slave address
|
||||
- regulators: This is the list of child nodes that specify the regulator
|
||||
initialization data for defined regulators. Not all regulators for the
|
||||
given device need to be present. The definition for each of these nodes
|
||||
is defined using the standard binding for regulators found at
|
||||
Documentation/devicetree/bindings/regulator/regulator.txt.
|
||||
The regulator is matched with the regulator-compatible.
|
||||
|
||||
The valid regulator-compatible values are:
|
||||
tps6507x: vdcdc1, vdcdc2, vdcdc3, vldo1, vldo2
|
||||
- xxx-supply: Input voltage supply regulator.
|
||||
These entries are required if regulators are enabled for a device.
|
||||
Missing of these properties can cause the regulator registration
|
||||
fails.
|
||||
If some of input supply is powered through battery or always-on
|
||||
supply then also it is require to have these parameters with proper
|
||||
node handle of always on power supply.
|
||||
tps6507x:
|
||||
vindcdc1_2-supply: VDCDC1 and VDCDC2 input.
|
||||
vindcdc3-supply : VDCDC3 input.
|
||||
vldo1_2-supply : VLDO1 and VLDO2 input.
|
||||
|
||||
Regulator Optional properties:
|
||||
- defdcdc_default: It's property of DCDC2 and DCDC3 regulators.
|
||||
0: If defdcdc pin of DCDC2/DCDC3 is pulled to GND.
|
||||
1: If defdcdc pin of DCDC2/DCDC3 is driven HIGH.
|
||||
If this property is not defined, it defaults to 0 (not enabled).
|
||||
|
||||
Example:
|
||||
|
||||
pmu: tps6507x@48 {
|
||||
compatible = "ti,tps6507x";
|
||||
reg = <0x48>;
|
||||
|
||||
vindcdc1_2-supply = <&vbat>;
|
||||
vindcdc3-supply = <...>;
|
||||
vinldo1_2-supply = <...>;
|
||||
|
||||
regulators {
|
||||
#address-cells = <1>;
|
||||
#size-cells = <0>;
|
||||
|
||||
vdcdc1_reg: regulator@0 {
|
||||
regulator-compatible = "VDCDC1";
|
||||
reg = <0>;
|
||||
regulator-min-microvolt = <3150000>;
|
||||
regulator-max-microvolt = <3450000>;
|
||||
regulator-always-on;
|
||||
regulator-boot-on;
|
||||
};
|
||||
vdcdc2_reg: regulator@1 {
|
||||
regulator-compatible = "VDCDC2";
|
||||
reg = <1>;
|
||||
regulator-min-microvolt = <1710000>;
|
||||
regulator-max-microvolt = <3450000>;
|
||||
regulator-always-on;
|
||||
regulator-boot-on;
|
||||
defdcdc_default = <1>;
|
||||
};
|
||||
vdcdc3_reg: regulator@2 {
|
||||
regulator-compatible = "VDCDC3";
|
||||
reg = <2>;
|
||||
regulator-min-microvolt = <950000>
|
||||
regulator-max-microvolt = <1350000>;
|
||||
regulator-always-on;
|
||||
regulator-boot-on;
|
||||
defdcdc_default = <1>;
|
||||
};
|
||||
ldo1_reg: regulator@3 {
|
||||
regulator-compatible = "LDO1";
|
||||
reg = <3>;
|
||||
regulator-min-microvolt = <1710000>;
|
||||
regulator-max-microvolt = <1890000>;
|
||||
regulator-always-on;
|
||||
regulator-boot-on;
|
||||
};
|
||||
ldo2_reg: regulator@4 {
|
||||
regulator-compatible = "LDO2";
|
||||
reg = <4>;
|
||||
regulator-min-microvolt = <1140000>;
|
||||
regulator-max-microvolt = <1320000>;
|
||||
regulator-always-on;
|
||||
regulator-boot-on;
|
||||
};
|
||||
};
|
||||
|
||||
};
|
||||
|
|
@ -23,8 +23,10 @@
|
|||
#include <linux/regulator/driver.h>
|
||||
#include <linux/regulator/machine.h>
|
||||
#include <linux/regulator/tps6507x.h>
|
||||
#include <linux/of.h>
|
||||
#include <linux/slab.h>
|
||||
#include <linux/mfd/tps6507x.h>
|
||||
#include <linux/regulator/of_regulator.h>
|
||||
|
||||
/* DCDC's */
|
||||
#define TPS6507X_DCDC_1 0
|
||||
|
|
@ -356,6 +358,80 @@ static struct regulator_ops tps6507x_pmic_ops = {
|
|||
.list_voltage = regulator_list_voltage_table,
|
||||
};
|
||||
|
||||
#ifdef CONFIG_OF
|
||||
static struct of_regulator_match tps6507x_matches[] = {
|
||||
{ .name = "VDCDC1"},
|
||||
{ .name = "VDCDC2"},
|
||||
{ .name = "VDCDC3"},
|
||||
{ .name = "LDO1"},
|
||||
{ .name = "LDO2"},
|
||||
};
|
||||
|
||||
static struct tps6507x_board *tps6507x_parse_dt_reg_data(
|
||||
struct platform_device *pdev,
|
||||
struct of_regulator_match **tps6507x_reg_matches)
|
||||
{
|
||||
struct tps6507x_board *tps_board;
|
||||
struct device_node *np = pdev->dev.parent->of_node;
|
||||
struct device_node *regulators;
|
||||
struct of_regulator_match *matches;
|
||||
static struct regulator_init_data *reg_data;
|
||||
int idx = 0, count, ret;
|
||||
|
||||
tps_board = devm_kzalloc(&pdev->dev, sizeof(*tps_board),
|
||||
GFP_KERNEL);
|
||||
if (!tps_board) {
|
||||
dev_err(&pdev->dev, "Failure to alloc pdata for regulators.\n");
|
||||
return NULL;
|
||||
}
|
||||
|
||||
regulators = of_find_node_by_name(np, "regulators");
|
||||
if (!regulators) {
|
||||
dev_err(&pdev->dev, "regulator node not found\n");
|
||||
return NULL;
|
||||
}
|
||||
|
||||
count = ARRAY_SIZE(tps6507x_matches);
|
||||
matches = tps6507x_matches;
|
||||
|
||||
ret = of_regulator_match(&pdev->dev, regulators, matches, count);
|
||||
if (ret < 0) {
|
||||
dev_err(&pdev->dev, "Error parsing regulator init data: %d\n",
|
||||
ret);
|
||||
return NULL;
|
||||
}
|
||||
|
||||
*tps6507x_reg_matches = matches;
|
||||
|
||||
reg_data = devm_kzalloc(&pdev->dev, (sizeof(struct regulator_init_data)
|
||||
* TPS6507X_NUM_REGULATOR), GFP_KERNEL);
|
||||
if (!reg_data) {
|
||||
dev_err(&pdev->dev, "Failure to alloc init data for regulators.\n");
|
||||
return NULL;
|
||||
}
|
||||
|
||||
tps_board->tps6507x_pmic_init_data = reg_data;
|
||||
|
||||
for (idx = 0; idx < count; idx++) {
|
||||
if (!matches[idx].init_data || !matches[idx].of_node)
|
||||
continue;
|
||||
|
||||
memcpy(®_data[idx], matches[idx].init_data,
|
||||
sizeof(struct regulator_init_data));
|
||||
|
||||
}
|
||||
|
||||
return tps_board;
|
||||
}
|
||||
#else
|
||||
static inline struct tps6507x_board *tps6507x_parse_dt_reg_data(
|
||||
struct platform_device *pdev,
|
||||
struct of_regulator_match **tps6507x_reg_matches)
|
||||
{
|
||||
*tps6507x_reg_matches = NULL;
|
||||
return NULL;
|
||||
}
|
||||
#endif
|
||||
static int tps6507x_pmic_probe(struct platform_device *pdev)
|
||||
{
|
||||
struct tps6507x_dev *tps6507x_dev = dev_get_drvdata(pdev->dev.parent);
|
||||
|
|
@ -365,8 +441,10 @@ static int tps6507x_pmic_probe(struct platform_device *pdev)
|
|||
struct regulator_dev *rdev;
|
||||
struct tps6507x_pmic *tps;
|
||||
struct tps6507x_board *tps_board;
|
||||
struct of_regulator_match *tps6507x_reg_matches = NULL;
|
||||
int i;
|
||||
int error;
|
||||
unsigned int prop;
|
||||
|
||||
/**
|
||||
* tps_board points to pmic related constants
|
||||
|
|
@ -374,6 +452,9 @@ static int tps6507x_pmic_probe(struct platform_device *pdev)
|
|||
*/
|
||||
|
||||
tps_board = dev_get_platdata(tps6507x_dev->dev);
|
||||
if (!tps_board && tps6507x_dev->dev->of_node)
|
||||
tps_board = tps6507x_parse_dt_reg_data(pdev,
|
||||
&tps6507x_reg_matches);
|
||||
if (!tps_board)
|
||||
return -EINVAL;
|
||||
|
||||
|
|
@ -415,6 +496,17 @@ static int tps6507x_pmic_probe(struct platform_device *pdev)
|
|||
config.init_data = init_data;
|
||||
config.driver_data = tps;
|
||||
|
||||
if (tps6507x_reg_matches) {
|
||||
error = of_property_read_u32(
|
||||
tps6507x_reg_matches[i].of_node,
|
||||
"ti,defdcdc_default", &prop);
|
||||
|
||||
if (!error)
|
||||
tps->info[i]->defdcdc_default = prop;
|
||||
|
||||
config.of_node = tps6507x_reg_matches[i].of_node;
|
||||
}
|
||||
|
||||
rdev = regulator_register(&tps->desc[i], &config);
|
||||
if (IS_ERR(rdev)) {
|
||||
dev_err(tps6507x_dev->dev,
|
||||
|
|
|
|||
Loading…
Reference in a new issue