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| author | Jaehoon Chung <jh80.chung@samsung.com> | 2018-01-16 15:33:51 +0900 |
|---|---|---|
| committer | Jaehoon Chung <jh80.chung@samsung.com> | 2018-01-24 16:07:35 +0900 |
| commit | 173f023f4629ab0dfdee1a6c022143459886aa44 (patch) | |
| tree | cd4c655337957e6cd6e6eb3250a906601ac11afb | |
| parent | 60599ea6cd4a55ea95470d8299e68104d463bfef (diff) | |
| download | u-boot-173f023f4629ab0dfdee1a6c022143459886aa44.tar.gz | |
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>
| -rw-r--r-- | drivers/power/pmic/s2mps11.c | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/drivers/power/pmic/s2mps11.c b/drivers/power/pmic/s2mps11.c index 522105e5ff..3f9525b67d 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, }; |