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power: pmic: stpmu1: Add regulator bindings

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Add regulator bindings to get access to regulator managed
by drivers/power/regulator/stpmu1.c regulator driver.

Signed-off-by: Christophe Kerello <christophe.kerello@st.com>
Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
Signed-off-by: Patrice Chotard <patrice.chotard@st.com>
This commit is contained in:
Patrice Chotard 2018-04-26 17:13:10 +02:00 committed by Tom Rini
parent 069f0b6354
commit 1f0dfa1fa0
1 changed files with 34 additions and 0 deletions
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34
drivers/power/pmic/stpmu1.c
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@ -12,6 +12,17 @@
#define STMPU1_NUM_OF_REGS 0x100
#ifndef CONFIG_SPL_BUILD
static const struct pmic_child_info stpmu1_children_info[] = {
{ .prefix = "ldo", .driver = "stpmu1_ldo" },
{ .prefix = "buck", .driver = "stpmu1_buck" },
{ .prefix = "vref_ddr", .driver = "stpmu1_vref_ddr" },
{ .prefix = "pwr_sw", .driver = "stpmu1_pwr_sw" },
{ .prefix = "boost", .driver = "stpmu1_boost" },
{ },
};
#endif /* CONFIG_SPL_BUILD */
static int stpmu1_reg_count(struct udevice *dev)
{
return STMPU1_NUM_OF_REGS;
@ -42,6 +53,28 @@ static int stpmu1_read(struct udevice *dev, uint reg, uint8_t *buff, int len)
return ret;
}
static int stpmu1_bind(struct udevice *dev)
{
#ifndef CONFIG_SPL_BUILD
ofnode regulators_node;
int children;
regulators_node = dev_read_subnode(dev, "regulators");
if (!ofnode_valid(regulators_node)) {
dev_dbg(dev, "regulators subnode not found!");
return -ENXIO;
}
dev_dbg(dev, "found regulators subnode\n");
children = pmic_bind_children(dev, regulators_node,
stpmu1_children_info);
if (!children)
dev_dbg(dev, "no child found\n");
#endif /* CONFIG_SPL_BUILD */
return 0;
}
static struct dm_pmic_ops stpmu1_ops = {
.reg_count = stpmu1_reg_count,
.read = stpmu1_read,
@ -57,5 +90,6 @@ U_BOOT_DRIVER(pmic_stpmu1) = {
.name = "stpmu1_pmic",
.id = UCLASS_PMIC,
.of_match = stpmu1_ids,
.bind = stpmu1_bind,
.ops = &stpmu1_ops,
};