[PATCH v2 00/16] Add board support for Spacemit K1 SoC in SPL

[Raymond Mao]

Hi all,

Any further comments on this series?

Raymond

On Tue, Feb 10, 2026 at 10:15 AM Raymond Mao <raymondmaoca at gmail.com> wrote:
>
> From: Raymond Mao <raymond.mao at riscstar.com>
>
> This patch series introduces full support for the k1 SoC in SPL for
> multiple boards.
>
> The series enables the board by:
> 1. Adding the base board definition with device tree.
> 2. Bringing up essential clock sources and tree.
> 3. Initializing I2C buses for peripheral communication.
> 4. Integrating the PMIC driver for power management.
> 5. Adding regulator drivers for voltage domain control.
>
> Change in v2:
>   - Use read_poll_timeout() in k1 i2c driver.
>   - Abandon to parse offset and size from Kconfig & Makefile for binman.
>   - Abandon to attach firmware image into the patch set.
>   - Update the related document and some minor changes.
>
> Junhui Liu (1):
>   clk: spacemit: Add support for K1 SoC
>
> Raymond Mao (15):
>   spacemit: k1: support multi-board infrastructure
>   spacemit: k1: enable SPL with debug UART
>   configs: k1: enable early timer support
>   reset: k1: add SPL support and enable TWSI8 reset
>   dt-bindings: clock: import k1-syscon from upstream
>   dts: k1: import dts file from upstream folder
>   dts: k1: enable clocks in SPL
>   board: k1: initialize clock and serial devices in SPL
>   configs: k1: add default option for clock driver in SPL
>   i2c: k1: add I2C driver support
>   spacemit: k1: add TLV EEPROM support in SPL
>   spacemit: k1: Add DDR firmware support to SPL
>   power: pmic: add support for Spacemit P1 PMIC
>   power: regulator: add support for Spacemit P1 SoC
>   board: k1: enable pmic in spl
>
>  arch/riscv/Kconfig                            |   10 +-
>  arch/riscv/cpu/k1/Kconfig                     |    6 +
>  arch/riscv/dts/Makefile                       |    1 +
>  arch/riscv/dts/k1-spl.dts                     |  228 +++
>  arch/riscv/dts/k1.dtsi                        |  666 +++++-
>  board/spacemit/bananapi-f3/MAINTAINERS        |    6 -
>  board/spacemit/bananapi-f3/Makefile           |    5 -
>  board/spacemit/{bananapi-f3 => k1}/Kconfig    |   11 +-
>  board/spacemit/k1/MAINTAINERS                 |   11 +
>  board/spacemit/k1/Makefile                    |   27 +
>  board/spacemit/{bananapi-f3 => k1}/board.c    |    0
>  board/spacemit/k1/spl.c                       |  347 ++++
>  board/spacemit/k1/tlv_codes.h                 |   22 +
>  configs/bananapi-f3_defconfig                 |   24 -
>  configs/spacemit_k1_defconfig                 |   76 +
>  doc/board/spacemit/bananapi-f3.rst            |    2 +-
>  drivers/clk/Kconfig                           |    5 +-
>  drivers/clk/Makefile                          |    1 +
>  drivers/clk/spacemit/Kconfig                  |   31 +
>  drivers/clk/spacemit/Makefile                 |    7 +
>  drivers/clk/spacemit/clk-k1.c                 | 1795 +++++++++++++++++
>  drivers/clk/spacemit/clk_common.h             |   79 +
>  drivers/clk/spacemit/clk_ddn.c                |   93 +
>  drivers/clk/spacemit/clk_ddn.h                |   53 +
>  drivers/clk/spacemit/clk_mix.c                |  403 ++++
>  drivers/clk/spacemit/clk_mix.h                |  224 ++
>  drivers/clk/spacemit/clk_pll.c                |  157 ++
>  drivers/clk/spacemit/clk_pll.h                |   81 +
>  drivers/i2c/Kconfig                           |    7 +
>  drivers/i2c/Makefile                          |    1 +
>  drivers/i2c/k1_i2c.c                          |  516 +++++
>  drivers/i2c/k1_i2c.h                          |   69 +
>  drivers/power/pmic/Kconfig                    |   17 +
>  drivers/power/pmic/Makefile                   |    1 +
>  drivers/power/pmic/pmic_spacemit_p1.c         |   94 +
>  drivers/power/regulator/Kconfig               |   15 +
>  drivers/power/regulator/Makefile              |    1 +
>  .../power/regulator/spacemit_p1_regulator.c   |  460 +++++
>  drivers/reset/Kconfig                         |    7 +
>  drivers/reset/Makefile                        |    2 +-
>  drivers/reset/reset-spacemit-k1.c             |    4 -
>  include/configs/bananapi-f3.h                 |   13 -
>  include/configs/k1.h                          |   19 +
>  .../dt-bindings/clock/spacemit,k1-syscon.h    |  253 +++
>  include/power/spacemit_p1.h                   |  163 ++
>  include/soc/spacemit/k1-syscon.h              |  149 ++
>  46 files changed, 5997 insertions(+), 165 deletions(-)
>  create mode 100644 arch/riscv/dts/k1-spl.dts
>  delete mode 100644 board/spacemit/bananapi-f3/MAINTAINERS
>  delete mode 100644 board/spacemit/bananapi-f3/Makefile
>  rename board/spacemit/{bananapi-f3 => k1}/Kconfig (63%)
>  create mode 100644 board/spacemit/k1/MAINTAINERS
>  create mode 100644 board/spacemit/k1/Makefile
>  rename board/spacemit/{bananapi-f3 => k1}/board.c (100%)
>  create mode 100644 board/spacemit/k1/spl.c
>  create mode 100644 board/spacemit/k1/tlv_codes.h
>  delete mode 100644 configs/bananapi-f3_defconfig
>  create mode 100644 configs/spacemit_k1_defconfig
>  create mode 100644 drivers/clk/spacemit/Kconfig
>  create mode 100644 drivers/clk/spacemit/Makefile
>  create mode 100644 drivers/clk/spacemit/clk-k1.c
>  create mode 100644 drivers/clk/spacemit/clk_common.h
>  create mode 100644 drivers/clk/spacemit/clk_ddn.c
>  create mode 100644 drivers/clk/spacemit/clk_ddn.h
>  create mode 100644 drivers/clk/spacemit/clk_mix.c
>  create mode 100644 drivers/clk/spacemit/clk_mix.h
>  create mode 100644 drivers/clk/spacemit/clk_pll.c
>  create mode 100644 drivers/clk/spacemit/clk_pll.h
>  create mode 100644 drivers/i2c/k1_i2c.c
>  create mode 100644 drivers/i2c/k1_i2c.h
>  create mode 100644 drivers/power/pmic/pmic_spacemit_p1.c
>  create mode 100644 drivers/power/regulator/spacemit_p1_regulator.c
>  delete mode 100644 include/configs/bananapi-f3.h
>  create mode 100644 include/configs/k1.h
>  create mode 100644 include/dt-bindings/clock/spacemit,k1-syscon.h
>  create mode 100644 include/power/spacemit_p1.h
>  create mode 100644 include/soc/spacemit/k1-syscon.h
>
> --
> 2.25.1
>