diff options
Diffstat (limited to 'drivers/power/pmic/palmas.c')
| -rw-r--r-- | drivers/power/pmic/palmas.c | 33 |
1 files changed, 31 insertions, 2 deletions
diff --git a/drivers/power/pmic/palmas.c b/drivers/power/pmic/palmas.c index b2e8a2930c1..32f2a938b28 100644 --- a/drivers/power/pmic/palmas.c +++ b/drivers/power/pmic/palmas.c @@ -8,13 +8,13 @@ #include <fdtdec.h> #include <errno.h> #include <dm.h> +#include <dm/lists.h> #include <i2c.h> #include <log.h> #include <linux/printk.h> #include <power/pmic.h> #include <power/regulator.h> #include <power/palmas.h> -#include <dm/device.h> static const struct pmic_child_info pmic_children_info[] = { { .prefix = "ldo", .driver = PALMAS_LDO_DRIVER }, @@ -47,7 +47,16 @@ static int palmas_bind(struct udevice *dev) { ofnode pmic_node = ofnode_null(), regulators_node; ofnode subnode; - int children; + int children, ret; + + if (IS_ENABLED(CONFIG_SYSRESET_PALMAS)) { + ret = device_bind_driver(dev, PALMAS_RST_DRIVER, + "sysreset", NULL); + if (ret) { + log_err("cannot bind SYSRESET (ret = %d)\n", ret); + return ret; + } + } dev_for_each_subnode(subnode, dev) { const char *name; @@ -81,6 +90,24 @@ static int palmas_bind(struct udevice *dev) return 0; } +static int palmas_probe(struct udevice *dev) +{ + struct dm_i2c_chip *chip = dev_get_parent_plat(dev); + struct palmas_priv *priv = dev_get_priv(dev); + struct udevice *bus = dev_get_parent(dev); + u32 chip2_addr = chip->chip_addr + 1; + int ret; + + /* Palmas PMIC is multi chip and chips are located in a row */ + ret = i2c_get_chip(bus, chip2_addr, 1, &priv->chip2); + if (ret) { + log_err("cannot get second PMIC I2C chip (err %d)\n", ret); + return ret; + } + + return 0; +} + static struct dm_pmic_ops palmas_ops = { .read = palmas_read, .write = palmas_write, @@ -98,5 +125,7 @@ U_BOOT_DRIVER(pmic_palmas) = { .id = UCLASS_PMIC, .of_match = palmas_ids, .bind = palmas_bind, + .probe = palmas_probe, .ops = &palmas_ops, + .priv_auto = sizeof(struct palmas_priv), }; |