Bind the USB VBUS regulator driver under the USB PHY reset driver for
the Renesas RZ/G2L and related SoCs. This additional bind is needed as
the corresponding device tree node does not contain a compatible string.
Signed-off-by: Paul Barker <paul.barker...@bp.renesas.com>
---
drivers/reset/Kconfig | 1 +
drivers/reset/reset-rzg2l-usbphy-ctrl.c | 28 +++++++++++++++++++++++++
2 files changed, 29 insertions(+)
diff --git a/drivers/reset/Kconfig b/drivers/reset/Kconfig
index 80e83a40bdff..5edbb3c25b41 100644
--- a/drivers/reset/Kconfig
+++ b/drivers/reset/Kconfig
@@ -239,6 +239,7 @@ config RESET_AT91
config RESET_RZG2L_USBPHY_CTRL
bool "Enable support for Renesas RZ/G2L USB 2.0 PHY control"
depends on DM_RESET
+ select REGULATOR_RZG2L_USBPHY
help
Enable support for controlling USB 2.0 PHY resets on the Renesas
RZ/G2L SoC. This is required for USB 2.0 functionality to work on this
diff --git a/drivers/reset/reset-rzg2l-usbphy-ctrl.c
b/drivers/reset/reset-rzg2l-usbphy-ctrl.c
index b1492631b97c..d0c97ffffcd2 100644
--- a/drivers/reset/reset-rzg2l-usbphy-ctrl.c
+++ b/drivers/reset/reset-rzg2l-usbphy-ctrl.c
@@ -107,10 +107,38 @@ static const struct udevice_id rzg2l_usbphy_ctrl_ids[] = {
{ /* sentinel */ }
};
+static int rzg2l_usbphy_ctrl_bind(struct udevice *dev)
+{
+ struct driver *drv;
+ ofnode node;
+ int ret;
+
+ node = ofnode_find_subnode(dev_ofnode(dev), "regulator-vbus");
+ if (!ofnode_valid(node)) {
+ dev_err(dev, "Failed to find vbus regulator devicetree node\n");
+ return -ENOENT;
+ }
+
+ drv = lists_driver_lookup_name("rzg2l_usbphy_regulator");
+ if (!drv) {
+ dev_err(dev, "Failed to find vbus regulator driver\n");
+ return -ENOENT;
+ }
+
+ ret = device_bind(dev, drv, dev->name, NULL, node, NULL);
+ if (ret) {
+ dev_err(dev, "Failed to bind vbus regulator: %d\n", ret);
+ return ret;
+ }
+
+ return 0;
+}
+
U_BOOT_DRIVER(rzg2l_usbphy_ctrl) = {
.name = "rzg2l_usbphy_ctrl",
.id = UCLASS_RESET,
.of_match = rzg2l_usbphy_ctrl_ids,
+ .bind = rzg2l_usbphy_ctrl_bind,
.probe = rzg2l_usbphy_ctrl_probe,
.ops = &rzg2l_usbphy_ctrl_ops,
.priv_auto = sizeof(struct rzg2l_usbphy_ctrl_priv),
--
2.43.0
