[PATCH v2 0/4] riscv: dts: spacemit: Add cpu scaling for Milk-V Jupiter

Aurelien Jarno <[email protected]> Wed, 29 Jul 2026 18:00:27 +0200
Newsgroups dev.linux.lists.spacemit,org.infradead.lists.linux-riscv,org.kernel.vger.linux-kernel
Message-ID <[email protected]>
This series adds cpu scaling support for the Milk-V Jupiter boards.

The first commit adds it to the existing "Milk-V Jupiter (K1)" board.

The two following commits add a "Milk-V Jupiter (M1)" board, by moving
the common part, i.e. everything but the model name and the operating
point tables, in a shared DTSI file. This file is then included for both
K1 and M1 variants.

CPU frequency scaling was verified up to 1.8 GHz on the M1 board.

Changes v1 -> v2:
 - Collect Reviewed-by tag for patch 1
 - Fix copyright in patch 2
 - Use a different compatible for the M1 board

Aurelien Jarno (4):
  riscv: dts: spacemit: Add cpu scaling for Milk-V Jupiter
  riscv: dts: spacemit: Add a common board dtsi for Milk-V Jupiter
    boards
  dt-bindings: riscv: spacemit: add Milk-V Jupiter M1 compatible
  riscv: dts: spacemit: Add Milk-V Jupiter board (M1)

 .../devicetree/bindings/riscv/spacemit.yaml   |   1 +
 arch/riscv/boot/dts/spacemit/Makefile         |   1 +
 .../dts/spacemit/k1-milkv-jupiter-common.dtsi | 468 ++++++++++++++++++
 .../boot/dts/spacemit/k1-milkv-jupiter.dts    | 430 +---------------
 .../boot/dts/spacemit/m1-milkv-jupiter.dts    |  16 +
 arch/riscv/boot/dts/spacemit/m1-opp.dtsi      | 117 +++++
 6 files changed, 606 insertions(+), 427 deletions(-)
 create mode 100644 arch/riscv/boot/dts/spacemit/k1-milkv-jupiter-common.dtsi
 create mode 100644 arch/riscv/boot/dts/spacemit/m1-milkv-jupiter.dts
 create mode 100644 arch/riscv/boot/dts/spacemit/m1-opp.dtsi

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2.53.0