[PATCH v2 0/4] spacemit: k1-bananapi-f3: Fix the power source of USB3 nodes

From: Anand Moon <linux.amoon@gmail.com>
To: Rob Herring <robh@kernel.org>,
	Krzysztof Kozlowski <krzk+dt@kernel.org>,
	Conor Dooley <conor+dt@kernel.org>,
	Paul Walmsley <pjw@kernel.org>,
	Palmer Dabbelt <palmer@dabbelt.com>,
	Albert Ou <aou@eecs.berkeley.edu>,
	Alexandre Ghiti <alex@ghiti.fr>, Yixun Lan <dlan@kernel.org>,
	devicetree@vger.kernel.org (open list:OPEN FIRMWARE AND
	FLATTENED DEVICE TREE BINDINGS),
	linux-riscv@lists.infradead.org (open list:RISC-V ARCHITECTURE),
	spacemit@lists.linux.dev (open list:RISC-V SPACEMIT SoC Support),
	linux-kernel@vger.kernel.org (open list)
Cc: Anand Moon <linux.amoon@gmail.com>
Subject: [PATCH v2 0/4] spacemit: k1-bananapi-f3: Fix the power source of USB3 nodes
Date: Sat,  2 May 2026 10:48:53 +0530	[thread overview]
Message-ID: <20260502051906.8160-1-linux.amoon@gmail.com> (raw)

Following changes fix the power source of USB 3 and pcie on K1-Bananapi-F3
development board.

Bananapi F3 schematics.
[1] https://drive.google.com/file/d/19iLJ5xnCB_oK8VeQjkPGjzAn39WYyylv/view (page 24)

v1: https://lore.kernel.org/all/20260325081700.1502-1-linux.amoon@gmail.com/

v2: Add pcie vin for pcie regulator.

To verify check regulator_summary for more details

$ cat /sys/kernel/debug/regulator/regulator_summary
 dc_in_12v                        3    2      0 unknown 12000mV     0mA 12000mV 12000mV
    vcc_4v                        1    0      0 unknown  4000mV     0mA  4000mV  4000mV
    vcc5v0_sys                    4    3      0 unknown  5000mV     0mA  5000mV  5000mV
       PCIE_VCC3V3                3    2      0 unknown  3300mV     0mA  3300mV  3300mV
          ca800000.pcie-vpcie3v3   1                                 0mA     0mV     0mV
          ca400000.pcie-vpcie3v3   1                                 0mA     0mV     0mV
       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

Thanks
-Anand

Anand Moon (4):
  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 label
  riscv: dts: spacemit: k1-bananapi-f3: Correct USB hub power hierarchy
  riscv: dts: spacemit: k1-bananapi-f3: Add vin-supply for PCIe 3.3V
    regulator

 .../boot/dts/spacemit/k1-bananapi-f3.dts      | 25 +++++++++++++++----
 1 file changed, 20 insertions(+), 5 deletions(-)

base-commit: f1a5e78a55ebf2b05777fd5eb738038ddae609d6
-- 
2.50.1