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| author | Tom Rini <trini@konsulko.com> | 2023-01-13 09:56:19 -0500 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2023-01-13 09:56:19 -0500 |
| commit | fe4c21de4fbf5756d354d2473ffc675e7596ccfb (patch) | |
| tree | 8778bb160f68af9551d31a904af939f093235131 /common | |
| parent | b3f6e0ff1fe48fe56809ff85dc22c555bfc81035 (diff) | |
| parent | 0e86f813f474ea6f46c6055b579eba10930dffd6 (diff) | |
| download | u-boot-fe4c21de4fbf5756d354d2473ffc675e7596ccfb.tar.gz u-boot-fe4c21de4fbf5756d354d2473ffc675e7596ccfb.tar.bz2 u-boot-fe4c21de4fbf5756d354d2473ffc675e7596ccfb.zip | |
Merge tag 'u-boot-stm32-20230113' of https://source.denx.de/u-boot/custodians/u-boot-stm
Add driver to manage onboard hub supplies
Add calibration support for stm32-adc
Linux kernel v6.1 DT synchronization for stm32mp151.dtsi
stm32mp157a-dk1-scmi-u-boot.dtsi update
Add support of OP-TEE and STM32MP13x in bsec driver
ECDSA various fixes for stm32mp
Diffstat (limited to 'common')
| -rw-r--r-- | common/Makefile | 1 | ||||
| -rw-r--r-- | common/usb_onboard_hub.c | 62 |
2 files changed, 63 insertions, 0 deletions
diff --git a/common/Makefile b/common/Makefile index 20addfb244..7789aab484 100644 --- a/common/Makefile +++ b/common/Makefile @@ -26,6 +26,7 @@ obj-$(CONFIG_PHYLIB) += miiphyutil.o obj-$(CONFIG_USB_HOST) += usb.o usb_hub.o obj-$(CONFIG_USB_GADGET) += usb.o usb_hub.o obj-$(CONFIG_USB_STORAGE) += usb_storage.o +obj-$(CONFIG_USB_ONBOARD_HUB) += usb_onboard_hub.o # others obj-$(CONFIG_CONSOLE_MUX) += iomux.o diff --git a/common/usb_onboard_hub.c b/common/usb_onboard_hub.c new file mode 100644 index 0000000000..89e18a2dda --- /dev/null +++ b/common/usb_onboard_hub.c @@ -0,0 +1,62 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Driver for onboard USB hubs + * + * Copyright (C) 2022, STMicroelectronics - All Rights Reserved + * + * Mostly inspired by Linux kernel v6.1 onboard_usb_hub driver + */ + +#include <common.h> +#include <dm.h> +#include <dm/device_compat.h> +#include <power/regulator.h> + +struct onboard_hub { + struct udevice *vdd; +}; + +static int usb_onboard_hub_probe(struct udevice *dev) +{ + struct onboard_hub *hub = dev_get_priv(dev); + int ret; + + ret = device_get_supply_regulator(dev, "vdd-supply", &hub->vdd); + if (ret) { + dev_err(dev, "can't get vdd-supply: %d\n", ret); + return ret; + } + + ret = regulator_set_enable_if_allowed(hub->vdd, true); + if (ret) + dev_err(dev, "can't enable vdd-supply: %d\n", ret); + + return ret; +} + +static int usb_onboard_hub_remove(struct udevice *dev) +{ + struct onboard_hub *hub = dev_get_priv(dev); + int ret; + + ret = regulator_set_enable_if_allowed(hub->vdd, false); + if (ret) + dev_err(dev, "can't disable vdd-supply: %d\n", ret); + + return ret; +} + +static const struct udevice_id usb_onboard_hub_ids[] = { + /* Use generic usbVID,PID dt-bindings (usb-device.yaml) */ + { .compatible = "usb424,2514" }, /* USB2514B USB 2.0 */ + { } +}; + +U_BOOT_DRIVER(usb_onboard_hub) = { + .name = "usb_onboard_hub", + .id = UCLASS_USB_HUB, + .probe = usb_onboard_hub_probe, + .remove = usb_onboard_hub_remove, + .of_match = usb_onboard_hub_ids, + .priv_auto = sizeof(struct onboard_hub), +}; |