[PATCH v0 0/5] Add initial AST2700 SoC support

[Rob Herring]

On Fri, Jun 13, 2025 at 02:59:43PM +0930, Andrew Jeffery wrote:
> On Thu, 2025-06-12 at 15:12 -0500, Rob Herring (Arm) wrote:
> > 
> > On Thu, 12 Jun 2025 18:09:28 +0800, Ryan Chen wrote:
> > > This patch series introduces initial support for the Aspeed AST2700 SoC
> > > and the AST2700 Evaluation Board (EVB) to the Linux kernel. The AST2700
> > > is the 7th generation Baseboard Management Controller (BMC) SoC from Aspeed,
> > > featuring improved performance, enhanced security, and expanded I/O
> > > capabilities compared to previous generations.
> > > 
> > > The patchset includes the following changes:
> > > - Device tree bindings for AST2700 boards.
> > > - Addition of the AST2700 platform to the Kconfig menu.
> > > - Basic device tree for the AST2700 SoC.
> > > - Device tree for the AST2700-EVB.
> > > - Updated defconfig to enable essential options for AST2700.
> > > 
> > > Ryan Chen (5):
> > >   dt-bindings: arm: aspeed: Add AST2700 board compatible
> > >   arm64: Kconfig: Add Aspeed SoC family (ast2700) platform option
> > >   arm64: dts: aspeed: Add initial AST2700 SoC device tree
> > >   arm64: dts: aspeed: Add AST2700 EVB device tree
> > >   arm64: configs: Update defconfig for AST2700 platform support
> > > 
> > >  .../bindings/arm/aspeed/aspeed.yaml           |   5 +
> > >  arch/arm64/Kconfig.platforms                  |   6 +
> > >  arch/arm64/boot/dts/Makefile                  |   1 +
> > >  arch/arm64/boot/dts/aspeed/Makefile           |   4 +
> > >  arch/arm64/boot/dts/aspeed/aspeed-g7.dtsi     | 380 ++++++++++++++++++
> > >  arch/arm64/boot/dts/aspeed/ast2700-evb.dts    |  54 +++
> > >  arch/arm64/configs/defconfig                  |   1 +
> > >  7 files changed, 451 insertions(+)
> > >  create mode 100644 arch/arm64/boot/dts/aspeed/Makefile
> > >  create mode 100644 arch/arm64/boot/dts/aspeed/aspeed-g7.dtsi
> > >  create mode 100644 arch/arm64/boot/dts/aspeed/ast2700-evb.dts
> > > 
> > > --
> > > 2.34.1
> > > 
> > > 
> > > 
> > 
> > 
> > My bot found new DTB warnings on the .dts files added or changed in this
> > series.
> > 
> > Some warnings may be from an existing SoC .dtsi. Or perhaps the warnings
> > are fixed by another series. Ultimately, it is up to the platform
> > maintainer whether these warnings are acceptable or not. No need to reply
> > unless the platform maintainer has comments.
> > 
> > If you already ran DT checks and didn't see these error(s), then
> > make sure dt-schema is up to date:
> > 
> >   pip3 install dtschema --upgrade
> > 
> > 
> > This patch series was applied (using b4) to base:
> >  Base: attempting to guess base-commit...
> >  Base: tags/v6.16-rc1 (exact match)
> > 
> > If this is not the correct base, please add 'base-commit' tag
> > (or use b4 which does this automatically)
> > 
> > New warnings running 'make CHECK_DTBS=y for arch/arm64/boot/dts/aspeed/' for 20250612100933.3007673-1-ryan_chen at aspeedtech.com:
> > 
> > arch/arm64/boot/dts/aspeed/ast2700-evb.dtb: serial at 14c33b00 (ns16550a): 'pinctrl-0' is a dependency of 'pinctrl-names'
> >         from schema $id: http://devicetree.org/schemas/pinctrl/pinctrl-consumer.yaml#
> > arch/arm64/boot/dts/aspeed/ast2700-evb.dtb: interrupt-controller at 100 (aspeed,ast2700-intc-ic): interrupts-extended: [[6, 0, 3844]] is too short
> >         from schema $id: http://devicetree.org/schemas/interrupt-controller/aspeed,ast2700-intc.yaml#
> > arch/arm64/boot/dts/aspeed/ast2700-evb.dtb: interrupt-controller at 110 (aspeed,ast2700-intc-ic): interrupts-extended: [[6, 1, 3844]] is too short
> >         from schema $id: http://devicetree.org/schemas/interrupt-controller/aspeed,ast2700-intc.yaml#
> > arch/arm64/boot/dts/aspeed/ast2700-evb.dtb: interrupt-controller at 120 (aspeed,ast2700-intc-ic): interrupts-extended: [[6, 2, 3844]] is too short
> >         from schema $id: http://devicetree.org/schemas/interrupt-controller/aspeed,ast2700-intc.yaml#
> > arch/arm64/boot/dts/aspeed/ast2700-evb.dtb: interrupt-controller at 130 (aspeed,ast2700-intc-ic): interrupts-extended: [[6, 3, 3844]] is too short
> >         from schema $id: http://devicetree.org/schemas/interrupt-controller/aspeed,ast2700-intc.yaml#
> > arch/arm64/boot/dts/aspeed/ast2700-evb.dtb: interrupt-controller at 140 (aspeed,ast2700-intc-ic): interrupts-extended: [[6, 4, 3844]] is too short
> >         from schema $id: http://devicetree.org/schemas/interrupt-controller/aspeed,ast2700-intc.yaml#
> > arch/arm64/boot/dts/aspeed/ast2700-evb.dtb: interrupt-controller at 150 (aspeed,ast2700-intc-ic): interrupts-extended: [[6, 5, 3844]] is too short
> >         from schema $id: http://devicetree.org/schemas/interrupt-controller/aspeed,ast2700-intc.yaml#
> > 
> 
> To draw a line in the sand here: while the existing Aspeed devicetrees
> (AST2600 and below) produce warnings, I won't accept devicetree patches
> for the AST2700 and related boards unless they are warning-free.

Thank you. If you hadn't said it, I would have. Hopefully there's some 
IP reuse that will get the older stuff fixed (if the fix is in the 
schema).

Rob