linux-kernel - Re: [PATCH v2 0/8] Add support for StarFive VisionFive 2 Lite board

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Message-ID: <20251107-frenzy-cloning-4b279cfe932c@spud>
Date: Fri, 7 Nov 2025 17:20:19 +0000
From: Conor Dooley <conor@...nel.org>
To: Heinrich Schuchardt <heinrich.schuchardt@...onical.com>
Cc: E Shattow <e@...eshell.de>, devicetree@...r.kernel.org,
	linux-riscv@...ts.infradead.org, linux-kernel@...r.kernel.org,
	Hal Feng <hal.feng@...rfivetech.com>,
	Conor Dooley <conor+dt@...nel.org>, Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Palmer Dabbelt <palmer@...belt.com>, Paul Walmsley <pjw@...nel.org>,
	Albert Ou <aou@...s.berkeley.edu>,
	"Rafael J . Wysocki" <rafael@...nel.org>,
	Viresh Kumar <viresh.kumar@...aro.org>,
	Bjorn Helgaas <bhelgaas@...gle.com>,
	Lorenzo Pieralisi <lpieralisi@...nel.org>,
	Krzysztof Wilczyński <kwilczynski@...nel.org>,
	Manivannan Sadhasivam <mani@...nel.org>,
	Emil Renner Berthing <emil.renner.berthing@...onical.com>
Subject: Re: [PATCH v2 0/8] Add support for StarFive VisionFive 2 Lite board

On Fri, Nov 07, 2025 at 12:21:46PM +0100, Heinrich Schuchardt wrote:
> On 11/7/25 12:11, E Shattow wrote:
> > 
> > 
> > On 11/7/25 01:55, Hal Feng wrote:
> > > VisionFive 2 Lite is a mini SBC based on the StarFive JH7110S industrial
> > > SoC which can run at -40~85 degrees centigrade and up to 1.25GHz.
> > > 
> > > Board features:
> > > - JH7110S SoC
> > > - 4/8 GiB LPDDR4 DRAM
> > > - AXP15060 PMIC
> > > - 40 pin GPIO header
> > > - 1x USB 3.0 host port
> > > - 3x USB 2.0 host port
> > > - 1x M.2 M-Key (size: 2242)
> > > - 1x MicroSD slot (optional non-removable 64GiB eMMC)
> > > - 1x QSPI Flash
> > > - 1x I2C EEPROM
> > > - 1x 1Gbps Ethernet port
> > > - SDIO-based Wi-Fi & UART-based Bluetooth
> > > - 1x HDMI port
> > > - 1x 2-lane DSI
> > > - 1x 2-lane CSI
> > > 
> > > VisionFive 2 Lite schematics: https://doc-en.rvspace.org/VisionFive2Lite/PDF/VF2_LITE_V1.10_TF_20250818_SCH.pdf
> > > VisionFive 2 Lite Quick Start Guide: https://doc-en.rvspace.org/VisionFive2Lite/VisionFive2LiteQSG/index.html
> > > More documents: https://doc-en.rvspace.org/Doc_Center/visionfive_2_lite.html
> > > 
> > > Changes since v1:
> > > - Drop patch 1 because it is applied.
> > > - Rename jh7110.dtsi to jh711x.dtsi.
> > > - Move the content of jh7110-common.dtsi to the new file
> > >    jh711x-common.dtsi and move opp table to jh7110-common.dtsi.
> > > patch 4:
> > > - Move the uncommon nodes to jh7110-common.dtsi instead of board dts.
> > > patch 5:
> > > - Add jh7110s-common.dtsi and include it in jh7110s-starfive-visionfive-2-lite.dtsi.
> > > 
> > > Changes since RFC:
> > > - Add jh7110s compatible to the generic cpufreq driver.
> > > - Fix the dtbs_check error by adding the missing "enable-gpios" property
> > >    in jh7110 pcie dt-bindings.
> > > - Rebase on the latest mainline.
> > > - Add VisionFive 2 Lite eMMC board device tree and add a common board dtsi
> > >    for VisionFive 2 Lite variants.
> > > - Add usb switch pin configuration (GPIO62).
> > > - Improve the commit messages.
> > > 
> > > History:
> > > v1: https://lore.kernel.org/all/20251016080054.12484-1-hal.feng@starfivetech.com/
> > > RFC: https://lore.kernel.org/all/20250821100930.71404-1-hal.feng@starfivetech.com/
> > > 
> > > Hal Feng (8):
> > >    dt-bindings: PCI: starfive,jh7110-pcie: Add enable-gpios property
> > >    dt-bindings: riscv: Add StarFive JH7110S SoC and VisionFive 2 Lite
> > >      board
> > >    riscv: dts: starfive: Rename jh7110.dtsi to jh711x.dtsi
> > >    riscv: dts: starfive: Split jh7110-common.dtsi and move opp table to
> > >      it
> > >    riscv: dts: starfive: jh711x-common: Move out some nodes to jh7110
> > >      common dtsi
> > >    riscv: dts: starfive: Add common board dtsi for JH7110s and VisionFive
> > >      2 Lite variants
> > >    riscv: dts: starfive: Add VisionFive 2 Lite board device tree
> > >    riscv: dts: starfive: Add VisionFive 2 Lite eMMC board device tree
> > > 
> > >   .../bindings/pci/starfive,jh7110-pcie.yaml    |   4 +
> > >   .../devicetree/bindings/riscv/starfive.yaml   |   6 +
> > >   arch/riscv/boot/dts/starfive/Makefile         |   3 +
> > >   .../boot/dts/starfive/jh7110-common.dtsi      | 653 +----------------
> > >   .../boot/dts/starfive/jh7110s-common.dtsi     |  27 +
> > >   ...h7110s-starfive-visionfive-2-lite-emmc.dts |  22 +
> > >   .../jh7110s-starfive-visionfive-2-lite.dts    |  20 +
> > >   .../jh7110s-starfive-visionfive-2-lite.dtsi   | 126 ++++
> > >   .../boot/dts/starfive/jh711x-common.dtsi      | 656 ++++++++++++++++++
> > >   .../dts/starfive/{jh7110.dtsi => jh711x.dtsi} |  16 -
> > >   10 files changed, 879 insertions(+), 654 deletions(-)
> > >   create mode 100644 arch/riscv/boot/dts/starfive/jh7110s-common.dtsi
> > >   create mode 100644 arch/riscv/boot/dts/starfive/jh7110s-starfive-visionfive-2-lite-emmc.dts
> > >   create mode 100644 arch/riscv/boot/dts/starfive/jh7110s-starfive-visionfive-2-lite.dts
> > >   create mode 100644 arch/riscv/boot/dts/starfive/jh7110s-starfive-visionfive-2-lite.dtsi
> > >   create mode 100644 arch/riscv/boot/dts/starfive/jh711x-common.dtsi
> > >   rename arch/riscv/boot/dts/starfive/{jh7110.dtsi => jh711x.dtsi} (99%)
> > > 
> > > 
> > > base-commit: df5d79720b152e7ff058f11ed7e88d5b5c8d2a0c
> > 
> > Small nit that "lite-emmc" is confusing together. In patches to U-Boot
> > dev mailing list the EEPROM product id is demonstrated to be with "SL"
> > suffix when compared to VisionFive 2 (JH7110) so I suggest avoid
> > confusion in upstream and use for VisionFive 2 Lite (JH7110S) these
> > compatible names:
> > 
> > starfive,visionfive-2sl-lite
> > starfive,visionfive-2sl-emmc
> > 
> > Also filenames:
> > 
> > jh7110s-starfive-visionfive-2sl-lite.dts
> > jh7110s-starfive-visionfive-2sl.dtsi
> > jh7110s-starfive-visionfive-2sl-emmc.dts
> > 
> > What do you think?
> > 
> 
> This is a serial number for the Lite board:
> VF7110SL-2310-D002E000-xxxxxxxx
> 
> Here E000 encodes that we have no eMMC.
> 
> The S is part of 7110S which we already have in 'jh7110s'. And the L is
> already decoded as 'lite' in this patch series. Duplicating this information
> as 'sl' as you suggested provides no benefit.
> 
> Let's just stick with Hal's suggestion.

The marketing materials etc call it the visionfive 2 lite, for example
on kickstarter: https://www.kickstarter.com/projects/starfive/visionfive-2-lite-unlock-risc-v-sbc-at-199
I'm happy enough with what Hal has here as a result.

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