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authorPatrice Chotard <patrice.chotard@st.com>2018-04-26 17:13:10 +0200
committerTom Rini <trini@konsulko.com>2018-05-08 09:07:38 -0400
commit1f0dfa1fa0af064fb97b3254b22cab44b9426561 (patch)
tree28f38a2acac1b08c4f512ae430bd7cf43a6db97c /drivers/power
parent069f0b63547456e9744e8bd1cdc4c62551b24b9a (diff)
power: pmic: stpmu1: Add regulator bindings
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>
Diffstat (limited to 'drivers/power')
-rw-r--r--drivers/power/pmic/stpmu1.c34
1 files changed, 34 insertions, 0 deletions
diff --git a/drivers/power/pmic/stpmu1.c b/drivers/power/pmic/stpmu1.c
index a765c4f2e9..82351b6613 100644
--- a/drivers/power/pmic/stpmu1.c
+++ b/drivers/power/pmic/stpmu1.c
@@ -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,
};