Message-ID: <aAzugucziBi4Nr-y@xhacker>
Date: Sat, 26 Apr 2025 22:32:34 +0800
From: Jisheng Zhang <jszhang@...nel.org>
To: Pinkesh Vaghela <pinkesh.vaghela@...fochips.com>
Cc: Conor Dooley <conor@...nel.org>, Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Paul Walmsley <paul.walmsley@...ive.com>,
	Samuel Holland <samuel.holland@...ive.com>,
	Palmer Dabbelt <palmer@...belt.com>,
	Albert Ou <aou@...s.berkeley.edu>,
	Daniel Lezcano <daniel.lezcano@...aro.org>,
	Min Lin <linmin@...incomputing.com>,
	Pritesh Patel <pritesh.patel@...fochips.com>,
	Yangyu Chen <cyy@...self.name>,
	Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>,
	Yu Chien Peter Lin <peterlin@...estech.com>,
	Charlie Jenkins <charlie@...osinc.com>,
	Kanak Shilledar <kanakshilledar@...il.com>,
	Darshan Prajapati <darshan.prajapati@...fochips.com>,
	Neil Armstrong <neil.armstrong@...aro.org>,
	Heiko Stuebner <heiko@...ech.de>, Aradhya Bhatia <a-bhatia1@...com>,
	rafal@...ecki.pl, Anup Patel <anup@...infault.org>,
	devicetree@...r.kernel.org, linux-riscv@...ts.infradead.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 00/10] Basic device tree support for ESWIN EIC7700
 RISC-V SoC

On Thu, Apr 10, 2025 at 08:55:09PM +0530, Pinkesh Vaghela wrote:
> Add support for ESWIN EIC7700 SoC consisting of SiFive Quad-Core
> P550 CPU cluster and the first development board that uses it, the
> SiFive HiFive Premier P550.
> 
> This patch series adds initial device tree and also adds ESWIN
> architecture support.

Per past experience, new SoC needs at least pinctrl and clk tree ready.
> 
> Boot-tested using intiramfs with Linux 6.15.0-rc1 on HiFive Premier
> P550 board using U-Boot 2024.01 and OpenSBI 1.4.
> 
> Changes in v3:
> - Rebased the patches to kernel 6.15.0-rc1
> - Added "Reviewed-by" tag of "Rob Herring" for Patch 4
> - Updated MAINTAINERS file
>   - Add GIT tree URL
> - Updated DTSI file
>   - Added "dma-noncoherent" property to soc node
>   - Updated GPIO node labels in DTSI file
> - Link to v2: https://lore.kernel.org/lkml/20250320105449.2094192-1-pinkesh.vaghela@einfochips.com/
> 
> Changes in v2:
> - Added "Acked-by" tag of "Conor Dooley" for Patches 1, 2, 3, 7 and 8
> - Added "Reviewed-by" tag of "Matthias Brugger" for Patch 4
> - Updated MAINTAINERS file
>   - Add the path for the eswin binding file
> - Updated sifive,ccache0.yaml
>   - Add restrictions for "cache-size" property based on the
>     compatible string
> - Link to v1: https://lore.kernel.org/lkml/20250311073432.4068512-1-pinkesh.vaghela@einfochips.com/
> 
> Darshan Prajapati (3):
>   dt-bindings: riscv: Add SiFive P550 CPU compatible
>   dt-bindings: interrupt-controller: Add ESWIN EIC7700 PLIC
>   dt-bindings: timer: Add ESWIN EIC7700 CLINT
> 
> Min Lin (2):
>   riscv: dts: add initial support for EIC7700 SoC
>   riscv: dts: eswin: add HiFive Premier P550 board device tree
> 
> Pinkesh Vaghela (2):
>   riscv: Add Kconfig option for ESWIN platforms
>   cache: sifive_ccache: Add ESWIN EIC7700 support
> 
> Pritesh Patel (3):
>   dt-bindings: vendor-prefixes: add eswin
>   dt-bindings: riscv: Add SiFive HiFive Premier P550 board
>   dt-bindings: cache: sifive,ccache0: Add ESWIN EIC7700 SoC
>     compatibility
> 
>  .../bindings/cache/sifive,ccache0.yaml        |  44 ++-
>  .../sifive,plic-1.0.0.yaml                    |   1 +
>  .../devicetree/bindings/riscv/cpus.yaml       |   1 +
>  .../devicetree/bindings/riscv/eswin.yaml      |  29 ++
>  .../bindings/timer/sifive,clint.yaml          |   1 +
>  .../devicetree/bindings/vendor-prefixes.yaml  |   2 +
>  MAINTAINERS                                   |   9 +
>  arch/riscv/Kconfig.socs                       |   6 +
>  arch/riscv/boot/dts/Makefile                  |   1 +
>  arch/riscv/boot/dts/eswin/Makefile            |   2 +
>  .../dts/eswin/eic7700-hifive-premier-p550.dts |  29 ++
>  arch/riscv/boot/dts/eswin/eic7700.dtsi        | 345 ++++++++++++++++++
>  drivers/cache/sifive_ccache.c                 |   2 +
>  13 files changed, 469 insertions(+), 3 deletions(-)
>  create mode 100644 Documentation/devicetree/bindings/riscv/eswin.yaml
>  create mode 100644 arch/riscv/boot/dts/eswin/Makefile
>  create mode 100644 arch/riscv/boot/dts/eswin/eic7700-hifive-premier-p550.dts
>  create mode 100644 arch/riscv/boot/dts/eswin/eic7700.dtsi
> 
> -- 
> 2.25.1
> 
> 
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