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>

diff --git a/drivers/power/pmic/stpmu1.c b/drivers/power/pmic/stpmu1.c
index a765c4f2e9ca2fc421b6540c08277abfc593f425..82351b66137050ec0f836e67e415d293672f3f5b 100644 (file)
--- 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,
 };