spacemit: k1-bananapi-f3: Fix the power source of USB3 nodes

[PATCH linux-next v1 0/3] spacemit: k1-bananapi-f3: Fix the power source of USB3 nodes

Anand Moon posted 3 patches 1 week, 5 days ago

Download series mbox

.../boot/dts/spacemit/k1-bananapi-f3.dts      | 24 +++++++++++++++----
1 file changed, 19 insertions(+), 5 deletions(-)

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[PATCH linux-next v1 0/3] spacemit: k1-bananapi-f3: Fix the power source of USB3 nodes

Posted by Anand Moon 1 week, 5 days ago

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