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authorJaehoon Chung2018-01-16 15:33:51 +0900
committerJaehoon Chung2018-01-24 16:07:35 +0900
commit173f023f4629ab0dfdee1a6c022143459886aa44 (patch)
treecd4c655337957e6cd6e6eb3250a906601ac11afb /drivers/power/pmic
parent60599ea6cd4a55ea95470d8299e68104d463bfef (diff)
power: pmic: s2mps11: probe the regulator driver
Add the probe function to support the s2mps11 regulator driver. Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com> Reviewed-by: Simon Glass <sjg@chromium.org> Tested-by: Anand Moon <linux.amoon@gmail.com>
Diffstat (limited to 'drivers/power/pmic')
-rw-r--r--drivers/power/pmic/s2mps11.c28
1 files changed, 28 insertions, 0 deletions
diff --git a/drivers/power/pmic/s2mps11.c b/drivers/power/pmic/s2mps11.c
index 522105e5ff0..3f9525b67d6 100644
--- a/drivers/power/pmic/s2mps11.c
+++ b/drivers/power/pmic/s2mps11.c
@@ -15,6 +15,12 @@
DECLARE_GLOBAL_DATA_PTR;
+static const struct pmic_child_info pmic_children_info[] = {
+ { .prefix = S2MPS11_OF_LDO_PREFIX, .driver = S2MPS11_LDO_DRIVER },
+ { .prefix = S2MPS11_OF_BUCK_PREFIX, .driver = S2MPS11_BUCK_DRIVER },
+ { },
+};
+
static int s2mps11_reg_count(struct udevice *dev)
{
return S2MPS11_REG_COUNT;
@@ -43,6 +49,27 @@ static int s2mps11_read(struct udevice *dev, uint reg, uint8_t *buff, int len)
return ret;
}
+static int s2mps11_probe(struct udevice *dev)
+{
+ ofnode regulators_node;
+ int children;
+
+ regulators_node = dev_read_subnode(dev, "voltage-regulators");
+ if (!ofnode_valid(regulators_node)) {
+ debug("%s: %s regulators subnode not found!", __func__,
+ dev->name);
+ return -ENXIO;
+ }
+
+ debug("%s: '%s' - found regulators subnode\n", __func__, dev->name);
+
+ children = pmic_bind_children(dev, regulators_node, pmic_children_info);
+ if (!children)
+ debug("%s: %s - no child found\n", __func__, dev->name);
+
+ return 0;
+}
+
static struct dm_pmic_ops s2mps11_ops = {
.reg_count = s2mps11_reg_count,
.read = s2mps11_read,
@@ -59,4 +86,5 @@ U_BOOT_DRIVER(pmic_s2mps11) = {
.id = UCLASS_PMIC,
.of_match = s2mps11_ids,
.ops = &s2mps11_ops,
+ .probe = s2mps11_probe,
};