Messages in this thread |  | | From | Anand Moon <> | | Subject | [PATCH linux-next v1 0/3] spacemit: k1-bananapi-f3: Fix the power source of USB3 nodes | | Date | Wed, 25 Mar 2026 13:46:07 +0530 |
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Following changes fix the power source of USB 3 on K1-Bananapi-F3 development board.
Bananapi F3 schematics. [1] https://drive.google.com/file/d/19iLJ5xnCB_oK8VeQjkPGjzAn39WYyylv/view (page 24)
Use this patch now we can enable USB hub [2] https://lore.kernel.org/all/20260326100010.3588454-2-amadeus@jmu.edu.cn/
check regulator_summary for more details
$ cat /sys/kernel/debug/regulator/regulator_summary dc_in_12v 3 2 0 unknown 12000mV 0mA 12000mV 12000mV vcc5v0_sys 3 2 0 unknown 5000mV 0mA 5000mV 5000mV 5V_VBUS 2 1 0 unknown 5000mV 0mA 5000mV 5000mV c0a00000.usb:hub@1-vdd 1 0mA 0mV 0mV VCC5V0_HUB 2 1 0 unknown 5000mV 0mA 5000mV 5000mV c0a00000.usb-vbus 1 0mA 0mV 0mV vcc_4v 1 0 0 unknown 4000mV 0mA 4000mV 4000mV
Thanks -Anand
Anand Moon (3): riscv: dts: spacemit: k1-bananapi-f3: Add vcc5v0_sys regulator for Banana Pi F3 riscv: dts: spacemit: k1-bananapi-f3: Update USB regulator on onboard usb and lable riscv: dts: spacemit: k1-bananapi-f3: Correct USB hub power hierarchy
.../boot/dts/spacemit/k1-bananapi-f3.dts | 24 +++++++++++++++---- 1 file changed, 19 insertions(+), 5 deletions(-)
base-commit: cc13002a9f984d37906e9476f3e532a8cdd126f5 -- 2.53.0
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