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regulator: bcm590xx: Convert to use simplified DT parsing 

Use regulator core's simplified DT parsing code to simply the driver
implementation.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Axel Lin 2019-04-01 22:42:36 +08:00 committed by Mark Brown
parent 7dc6c766a7
commit a4e73625cb
No known key found for this signature in database
GPG Key ID: 24D68B725D5487D0
1 changed files with 2 additions and 103 deletions
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105
drivers/regulator/bcm590xx-regulator.c
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@ -103,10 +103,6 @@
((n > BCM590XX_REG_VSR) && (n < BCM590XX_REG_VBUS))
#define BCM590XX_REG_IS_VBUS(n) (n == BCM590XX_REG_VBUS)
struct bcm590xx_board {
struct regulator_init_data *bcm590xx_pmu_init_data[BCM590XX_NUM_REGS];
};
/* LDO group A: supported voltages in microvolts */
static const unsigned int ldo_a_table[] = {
1200000, 1800000, 2500000, 2700000, 2800000,
@ -280,105 +276,15 @@ static const struct regulator_ops bcm590xx_ops_vbus = {
.disable = regulator_disable_regmap,
};
#define BCM590XX_MATCH(_name, _id) \
{ \
.name = #_name, \
.driver_data = (void *)&bcm590xx_regs[BCM590XX_REG_##_id], \
}
static struct of_regulator_match bcm590xx_matches[] = {
BCM590XX_MATCH(rfldo, RFLDO),
BCM590XX_MATCH(camldo1, CAMLDO1),
BCM590XX_MATCH(camldo2, CAMLDO2),
BCM590XX_MATCH(simldo1, SIMLDO1),
BCM590XX_MATCH(simldo2, SIMLDO2),
BCM590XX_MATCH(sdldo, SDLDO),
BCM590XX_MATCH(sdxldo, SDXLDO),
BCM590XX_MATCH(mmcldo1, MMCLDO1),
BCM590XX_MATCH(mmcldo2, MMCLDO2),
BCM590XX_MATCH(audldo, AUDLDO),
BCM590XX_MATCH(micldo, MICLDO),
BCM590XX_MATCH(usbldo, USBLDO),
BCM590XX_MATCH(vibldo, VIBLDO),
BCM590XX_MATCH(csr, CSR),
BCM590XX_MATCH(iosr1, IOSR1),
BCM590XX_MATCH(iosr2, IOSR2),
BCM590XX_MATCH(msr, MSR),
BCM590XX_MATCH(sdsr1, SDSR1),
BCM590XX_MATCH(sdsr2, SDSR2),
BCM590XX_MATCH(vsr, VSR),
BCM590XX_MATCH(gpldo1, GPLDO1),
BCM590XX_MATCH(gpldo2, GPLDO2),
BCM590XX_MATCH(gpldo3, GPLDO3),
BCM590XX_MATCH(gpldo4, GPLDO4),
BCM590XX_MATCH(gpldo5, GPLDO5),
BCM590XX_MATCH(gpldo6, GPLDO6),
BCM590XX_MATCH(vbus, VBUS),
};
static struct bcm590xx_board *bcm590xx_parse_dt_reg_data(
struct platform_device *pdev,
struct of_regulator_match **bcm590xx_reg_matches)
{
struct bcm590xx_board *data;
struct device_node *np = pdev->dev.parent->of_node;
struct device_node *regulators;
struct of_regulator_match *matches = bcm590xx_matches;
int count = ARRAY_SIZE(bcm590xx_matches);
int idx = 0;
int ret;
if (!np) {
dev_err(&pdev->dev, "of node not found\n");
return NULL;
}
data = devm_kzalloc(&pdev->dev, sizeof(*data), GFP_KERNEL);
if (!data)
return NULL;
np = of_node_get(np);
regulators = of_get_child_by_name(np, "regulators");
if (!regulators) {
dev_warn(&pdev->dev, "regulator node not found\n");
return NULL;
}
ret = of_regulator_match(&pdev->dev, regulators, matches, count);
of_node_put(regulators);
if (ret < 0) {
dev_err(&pdev->dev, "Error parsing regulator init data: %d\n",
ret);
return NULL;
}
*bcm590xx_reg_matches = matches;
for (idx = 0; idx < count; idx++) {
if (!matches[idx].init_data || !matches[idx].of_node)
continue;
data->bcm590xx_pmu_init_data[idx] = matches[idx].init_data;
}
return data;
}
static int bcm590xx_probe(struct platform_device *pdev)
{
struct bcm590xx *bcm590xx = dev_get_drvdata(pdev->dev.parent);
struct bcm590xx_board *pmu_data = NULL;
struct bcm590xx_reg *pmu;
struct regulator_config config = { };
struct bcm590xx_info *info;
struct regulator_init_data *reg_data;
struct regulator_dev *rdev;
struct of_regulator_match *bcm590xx_reg_matches = NULL;
int i;
pmu_data = bcm590xx_parse_dt_reg_data(pdev,
&bcm590xx_reg_matches);
pmu = devm_kzalloc(&pdev->dev, sizeof(*pmu), GFP_KERNEL);
if (!pmu)
return -ENOMEM;
@ -397,13 +303,10 @@ static int bcm590xx_probe(struct platform_device *pdev)
info = bcm590xx_regs;
for (i = 0; i < BCM590XX_NUM_REGS; i++, info++) {
if (pmu_data)
reg_data = pmu_data->bcm590xx_pmu_init_data[i];
else
reg_data = NULL;
/* Register the regulators */
pmu->desc[i].name = info->name;
pmu->desc[i].of_match = of_match_ptr(info->name);
pmu->desc[i].regulators_node = of_match_ptr("regulators");
pmu->desc[i].supply_name = info->vin_name;
pmu->desc[i].id = i;
pmu->desc[i].volt_table = info->volt_table;
@ -433,16 +336,12 @@ static int bcm590xx_probe(struct platform_device *pdev)
pmu->desc[i].owner = THIS_MODULE;
config.dev = bcm590xx->dev;
config.init_data = reg_data;
config.driver_data = pmu;
if (BCM590XX_REG_IS_GPLDO(i) || BCM590XX_REG_IS_VBUS(i))
config.regmap = bcm590xx->regmap_sec;
else
config.regmap = bcm590xx->regmap_pri;
if (bcm590xx_reg_matches)
config.of_node = bcm590xx_reg_matches[i].of_node;
rdev = devm_regulator_register(&pdev->dev, &pmu->desc[i],
&config);
if (IS_ERR(rdev)) {