From: Joseph Chen <che...@rock-chips.com>
Signed-off-by: Joseph Chen <che...@rock-chips.com>
Signed-off-by: Elaine Zhang <zhangq...@rock-chips.com>
---
drivers/power/pmic/pmic-uclass.c | 11 +++++++++++
include/power/pmic.h | 9 +++++++++
2 files changed, 20 insertions(+)
diff --git a/drivers/power/pmic/pmic-uclass.c b/drivers/power/pmic/pmic-uclass.c
index db68c766f5d7..28cfe0c987a2 100644
--- a/drivers/power/pmic/pmic-uclass.c
+++ b/drivers/power/pmic/pmic-uclass.c
@@ -191,6 +191,17 @@ static int pmic_pre_probe(struct udevice *dev)
return 0;
}
+
+int pmic_shutdown(struct udevice *dev)
+{
+ const struct dm_pmic_ops *ops = dev_get_driver_ops(dev);
+
+ if (!ops || !ops->shutdown)
+ return -ENOSYS;
+
+ return ops->shutdown(dev);
+}
+
UCLASS_DRIVER(pmic) = {
.id = UCLASS_PMIC,
.name = "pmic",
diff --git a/include/power/pmic.h b/include/power/pmic.h
index be9de6b4de7e..231195e5ea85 100644
--- a/include/power/pmic.h
+++ b/include/power/pmic.h
@@ -164,6 +164,7 @@ struct dm_pmic_ops {
int (*read)(struct udevice *dev, uint reg, uint8_t *buffer, int len);
int (*write)(struct udevice *dev, uint reg, const uint8_t *buffer,
int len);
+ int (*shutdown)(struct udevice *dev);
};
/**
@@ -306,6 +307,14 @@ struct uc_pmic_priv {
uint trans_len;
};
+/**
+ * pmic_shutdown() - power off supplies of PMIC
+ *
+ * @dev: PMIC device to update
+ * @return 0 on success or negative value of errno.
+ */
+int pmic_shutdown(struct udevice *dev);
+
#endif /* CONFIG_DM_PMIC */
#ifdef CONFIG_POWER
--
1.9.1
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