Re: [PATCH v6 00/10] arm64: Introduce CIX P1 (SKY1) SoC

[Enric Balletbo i Serra <eballetb@redhat.com>]

Hi Peter,

On Tue, Apr 15, 2025 at 9:30 AM Peter Chen <peter.chen@cixtech.com> wrote:
>
> Cixtech P1 (internal name sky1) is high performance generic Armv9 SoC.
> Orion O6 is the Arm V9 Motherboard built by Radxa. You could find brief
> introduction for SoC and related boards at:
> https://radxa.com/products/orion/o6#overview
>
> In this series, we add initial SoC and board support for Kernel building.
> Patch 1-2: add dt-binding doc for CIX and its sky1 SoC
> Patch 3-4: add Arm64 build support
> Patch 5-7: add CIX mailbox driver which needs to support SCMI clock protocol.
> Patch 8-9: add initial dts support for SoC and Orion O6 board

Many thanks for these patches, with these I was able to run the latest
mainline kernel on boot to the console on my Orion O6 board. I think
others already tested just wanted to point out if you can keep me in
the loop, thanks.

If you feel is useful you can add:

Tested-by: Enric Balletbo i Serra <eballetb@redhat.com>

Thanks,
  Enric

> Patch 10: add MAINTAINERS entry
>
> Currently, to run upstream kernel at Orion O6 board, you need to
> use BIOS released by Radxa, and add "clk_ignore_unused=1" at bootargs.
> https://docs.radxa.com/en/orion/o6/bios/install-bios
>
> Changes for v6:
> - Rebase to v6.15-rc2
> - Add mailbox driver
> - Add device tree description for uart, mailbox and scmi firmware (for clock).
>
> Changes for v5:
> - Patch 5: Delete pmu-spe node which need to refine, and add it in future
> - Patch 6: Refine MAINTAINERS for all CIX SoC and adding code tree location
>
> Changes for v4:
> - Move add MAINTAINERS entry patch to the last, and add two dts files entry in it.
> - Add three Krzysztof Kozlowski's Reviewed-by Tags
> - For sky1.dtsi, makes below changes:
>         - Add ppi-partition entry for gic-v3 node, and let pmu-a520 and pmu-a720's interrupt entry
>         get its handle
>         - Remove gic-v3's #redistributor-regions and redistributor-stride properties
>         - Change gic-v3's #interrupt-cells as 4, and change all interrupt specifiers accordingly
>         - Remove "arm,no-tick-in-suspend" for timer due to global counter is at always-on power domain
>         - Remove timer's clock frequency due to firmware has already set it
>
> Changes for v3:
> - Patch 1: Add Krzysztof Kozlowski's Acked-by Tag
> - Patch 2: Add Krzysztof Kozlowski's Reviewed-by Tag
> - Patch 6: Fix two dts coding sytle issues
>
> Changes for v2:
> - Pass dts build check with below commands:
> make O=$OUTKNL dt_binding_check DT_SCHEMA_FILES=vendor-prefixes.yaml
> make O=$OUTKNL dt_binding_check DT_SCHEMA_FILES=arm/cix.yaml
> make O=$OUTKNL CHECK_DTBS=y W=1 cix/sky1-orion-o6.dtb
> - Re-order the patch set, and move vendor-perfixes to the 1st patch.
> - Patch 4: Ordered Kconfig config entry by alpha-numerically
> - Patch 5: Corrects the Ack tag's name
> - Patch 6: see below.
> 1) Corrects the SoF tag's name
> 2) Fix several coding sytle issues
> 3) move linux,cma node to dts file
> 4) delete memory node, memory size is passed by firmware
> 5) delete uart2 node which will be added in future patches
> 6) Improve for pmu and cpu node to stands for more specific cpu model
> 7) Improve the timer node and add hypervisor virtual timer irq
>
> Fugang Duan (1):
>   arm64: Kconfig: add ARCH_CIX for cix silicons
>
> Gary Yang (1):
>   dt-bindings: clock: cix: Add CIX sky1 scmi clock id
>
> Guomin Chen (2):
>   dt-bindings: mailbox: add cix,sky1-mbox
>   mailbox: add CIX mailbox driver
>
> Peter Chen (6):
>   dt-bindings: vendor-prefixes: Add CIX Technology Group Co., Ltd.
>   dt-bindings: arm: add CIX P1 (SKY1) SoC
>   arm64: defconfig: Enable CIX SoC
>   arm64: defconfig: enable CIX mailbox
>   arm64: dts: cix: add initial CIX P1(SKY1) dts support
>   MAINTAINERS: Add CIX SoC maintainer entry
>
>  .../devicetree/bindings/arm/cix.yaml          |  26 +
>  .../bindings/mailbox/cix,sky1-mbox.yaml       |  71 ++
>  .../devicetree/bindings/vendor-prefixes.yaml  |   2 +
>  MAINTAINERS                                   |  11 +
>  arch/arm64/Kconfig.platforms                  |   6 +
>  arch/arm64/boot/dts/Makefile                  |   1 +
>  arch/arm64/boot/dts/cix/Makefile              |   2 +
>  arch/arm64/boot/dts/cix/sky1-orion-o6.dts     |  39 ++
>  arch/arm64/boot/dts/cix/sky1.dtsi             | 335 ++++++++++
>  arch/arm64/configs/defconfig                  |   2 +
>  drivers/mailbox/Kconfig                       |  10 +
>  drivers/mailbox/Makefile                      |   2 +
>  drivers/mailbox/cix-mailbox.c                 | 632 ++++++++++++++++++
>  include/dt-bindings/clock/sky1-clk.h          | 279 ++++++++
>  14 files changed, 1418 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/arm/cix.yaml
>  create mode 100644 Documentation/devicetree/bindings/mailbox/cix,sky1-mbox.yaml
>  create mode 100644 arch/arm64/boot/dts/cix/Makefile
>  create mode 100644 arch/arm64/boot/dts/cix/sky1-orion-o6.dts
>  create mode 100644 arch/arm64/boot/dts/cix/sky1.dtsi
>  create mode 100644 drivers/mailbox/cix-mailbox.c
>  create mode 100644 include/dt-bindings/clock/sky1-clk.h
>
> --
> 2.25.1
>
>