[PATCH v2 0/6] spacemit: k1-musepi-pro: add missing devices

Andre Heider a.heider at gmail.com
Mon May 11 04:11:07 PDT 2026


Add the missing devices with their required regulators. The regulators are named after
their label in the vendor schematics[0].

v2:
- drop reg_vcc_5v0_sys as per "non-controllable" review comments on
  similar patches for other boards (kept the root reg_usb_vbus for though)
- add reg_vcc_4v0 instead as p1 vin?-supply, misread the schematics
- drop mpcie_vcc_3v3 and use pcie_vcc_3v3 for pcie2* too
  ("non-controllable" again)
- all of the above makes it consistent with other k1 boards

v1: https://lore.kernel.org/spacemit/20260505160623.1369347-1-a.heider@gmail.com/T/#t

root at OpenWrt:~# cat /sys/kernel/debug/regulator/regulator_summary
 regulator                      use open bypass  opmode voltage current     min     max
---------------------------------------------------------------------------------------
 regulator-dummy                  1    0      0 unknown     0mV     0mA     0mV     0mV
 USBVBUS                          5    4      0 unknown 12000mV     0mA 12000mV 12000mV
    PCIE_VCC3V3                   5    4      0 unknown  3300mV     0mA  3300mV  3300mV
       ca400000.pcie:pcie at 0-vpcie3v3   1                                 0mA     0mV     0mV
       ca800000.pcie:pcie at 0-vpcie3v3   1                                 0mA     0mV     0mV
       ca400000.pcie-vpcie3v3     1                                 0mA     0mV     0mV
       ca800000.pcie-vpcie3v3     1                                 0mA     0mV     0mV
    VCC4V0                        8   10      0 unknown  4000mV     0mA  4000mV  4000mV
       buck1                      1    0      0 unknown  1050mV     0mA   500mV  3450mV
       buck2                      1    0      0 unknown   900mV     0mA   500mV  3450mV
       buck3                      1    1      0 unknown  1800mV     0mA   500mV  1800mV
          2-0050-vcc              0                                 0mA     0mV     0mV
       buck4                      2    2      0 unknown  3300mV     0mA   500mV  3300mV
          spi0.0-vcc              1                                 0mA     0mV     0mV
          d4280000.mmc-vmmc       0                                 0mA  3300mV  3300mV
       buck5                      3    7      0 unknown  2100mV     0mA   500mV  3450mV
          dldo1                   0    0      0 unknown  1200mV     0mA   500mV  3400mV
          dldo2                   0    0      0 unknown   500mV     0mA   500mV  3400mV
          dldo3                   0    0      0 unknown   500mV     0mA   500mV  3400mV
          dldo4                   1    0      0 unknown  1800mV     0mA   500mV  3400mV
          dldo5                   0    0      0 unknown   500mV     0mA   500mV  3400mV
          dldo6                   1    0      0 unknown  1800mV     0mA   500mV  3400mV
          dldo7                   0    0      0 unknown   500mV     0mA   500mV  3400mV
       buck6                      1    0      0 unknown  1100mV     0mA   500mV  3450mV
       aldo1                      1    1      0 unknown  3300mV     0mA   500mV  3400mV
          d4280000.mmc-vqmmc      1                                 0mA     0mV     0mV
       aldo2                      0    0      0 unknown   500mV     0mA   500mV  3400mV
       aldo3                      0    0      0 unknown   500mV     0mA   500mV  3400mV
       aldo4                      0    0      0 unknown   500mV     0mA   500mV  3400mV
    5V_VBUS                       2    1      0 unknown  5000mV     0mA  5000mV  5000mV
       c0a00000.usb-vbus          1                                 0mA     0mV     0mV
    VCC5V0_HUB                    2    1      0 unknown  5000mV     0mA  5000mV  5000mV
       c0a00000.usb:hub at 1-vdd     1                                 0mA     0mV     0mV

[0] https://github.com/spacemit-com/docs-product/blob/main/en/k1_muse_pi_pro/pi_pro_hw.md

Andre Heider (6):
  riscv: dts: spacemit: k1-musepi-pro: add PMIC and power infrastructure
  riscv: dts: spacemit: k1-musepi-pro: add 24c04 eeprom
  riscv: dts: spacemit: k1-musepi-pro: enable QSPI and add SPI NOR
  riscv: dts: spacemit: k1-musepi-pro: enable USB 3 ports
  riscv: dts: spacemit: k1-musepi-pro: enable PCIe ports
  riscv: dts: spacemit: k1-musepi-pro: set default console baud rate

 .../riscv/boot/dts/spacemit/k1-musepi-pro.dts | 324 +++++++++++++++++-
 1 file changed, 323 insertions(+), 1 deletion(-)

-- 
2.53.0




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