diff options
| -rw-r--r-- | drivers/reset/Kconfig | 1 | ||||
| -rw-r--r-- | drivers/reset/reset-rzg2l-usbphy-ctrl.c | 29 |
2 files changed, 30 insertions, 0 deletions
diff --git a/drivers/reset/Kconfig b/drivers/reset/Kconfig index 80e83a40bdf..5edbb3c25b4 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 afd647e00b1..622d7b9cf4f 100644 --- a/drivers/reset/reset-rzg2l-usbphy-ctrl.c +++ b/drivers/reset/reset-rzg2l-usbphy-ctrl.c @@ -5,6 +5,7 @@ #include <asm/io.h> #include <dm.h> +#include <dm/device-internal.h> #include <dm/device_compat.h> #include <dm/lists.h> #include <renesas/rzg2l-usbphy.h> @@ -103,10 +104,38 @@ 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), |