From 173f023f4629ab0dfdee1a6c022143459886aa44 Mon Sep 17 00:00:00 2001 From: Jaehoon Chung Date: Tue, 16 Jan 2018 15:33:51 +0900 Subject: [PATCH] power: pmic: s2mps11: probe the regulator driver Add the probe function to support the s2mps11 regulator driver. Signed-off-by: Jaehoon Chung Reviewed-by: Simon Glass Tested-by: Anand Moon --- drivers/power/pmic/s2mps11.c | 28 ++++++++++++++++++++++++++++ 1 file changed, 28 insertions(+) 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, };