Re: [PATCH v1 1/3] scsi: ufs: dt-bindings: starfive: Add UFS Host Controller for JHB100 soc
From: Minda Chen
Date: Wed Apr 22 2026 - 07:20:18 EST
>
> On Tue, Apr 21, 2026 at 05:12:13PM +0800, Minda Chen wrote:
> > Add devicetree document for UFS Host Controller StarFive JHB100 SoC.
> > The UFS controller is based on the Synopsys DesignWare UFS controller.
> >
> > Signed-off-by: Minda Chen <minda.chen@xxxxxxxxxxxxxxxx>
> > ---
> > .../devicetree/bindings/ufs/starfive,ufs.yaml | 76 +++++++++++++++++++
> > MAINTAINERS | 5 ++
> > 2 files changed, 81 insertions(+)
> > create mode 100644
> > Documentation/devicetree/bindings/ufs/starfive,ufs.yaml
> >
> > diff --git a/Documentation/devicetree/bindings/ufs/starfive,ufs.yaml
> > b/Documentation/devicetree/bindings/ufs/starfive,ufs.yaml
> > new file mode 100644
> > index 000000000000..c408973dd0ce
> > --- /dev/null
> > +++ b/Documentation/devicetree/bindings/ufs/starfive,ufs.yaml
>
> Filename should be starfive,jhb100-ufs.
>
Thanks. Conor. I see some vendors's dt-binding doc without IC name
because ufs host controller registers are standard. So I think if we(StarFive) change
IP vendor will still using the same driver files and dt doc.
If the scsi UFS maintainer no comments to this I will change this.
> > @@ -0,0 +1,76 @@
> > +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause %YAML 1.2
> > +---
> > +$id: http://devicetree.org/schemas/ufs/starfive,ufs.yaml#
> > +$schema: http://devicetree.org/meta-schemas/core.yaml#
> > +
> > +title: Starfive Universal Flash Storage (UFS) Controller
> > +
> > +maintainers:
> > + - Minda Chen <minda.chen@xxxxxxxxxxxxxxxx>
> > +
> > +allOf:
> > + - $ref: ufs-common.yaml
> > +
> > +properties:
> > + compatible:
> > + const: starfive,jhb100-ufs
> > +
> > + reg:
> > + maxItems: 1
> > +
> > + clocks:
> > + items:
> > + - description: UFS reference clock
> > + - description: UFS main enable clock
> > +
> > + clock-names:
> > + items:
> > + - const: ref_clk
>
> Think "ref" suffices here.
>
> > + - const: ufs
> > +
> > + resets:
> > + items:
> > + - description: UFS main reset
> > + - description: UFS PHY reset
> > +
> > + reset-names:
> > + items:
> > + - const: main
> > + - const: phy
> > +
> > + interrupts:
> > + maxItems: 1
> > +
> > + starfive,syscon:
> > + $ref: /schemas/types.yaml#/definitions/phandle-array
> > + description:
> > + The phandle to System Register Controller syscon node.
> > +
> > +required:
> > + - compatible
> > + - reg
> > + - clocks
> > + - resets
> > + - reset-names
> > + - interrupts
> > + - starfive,syscon
> > +
> > +unevaluatedProperties: false
> > +
> > +examples:
> > + - |
> > + ufs@11b10000 {
> > + compatible = "starfive,jhb100-ufs";
> > + reg = <0x11b10000 0x20000>;
> > + interrupts = <105>;
> > + clocks = <&syscrg 4>,
> > + <&syscrg 5>;
> > + clock-names = "ref_clk", "ufs";
> > + freq-table-hz = <26000000 26000000>,
> > + <100000000 100000000>;
> > + resets = <&syscrg 10>,
> > + <&syscrg 7>;
> > + reset-names = "main", "phy";
> > + starfive,syscon = <&syscon>;
> > + };
> > diff --git a/MAINTAINERS b/MAINTAINERS index
> > 32bd94a0b94c..3792c51da63c 100644
> > --- a/MAINTAINERS
> > +++ b/MAINTAINERS
> > @@ -27190,6 +27190,11 @@ L: linux-scsi@xxxxxxxxxxxxxxx
> > S: Maintained
> > F: drivers/ufs/host/ufs-renesas.c
> >
> > +UNIVERSAL FLASH STORAGE HOST CONTROLLER DRIVER STARFIVE
> > +M: Minda Chen <minda.cheb@xxxxxxxxxxxxxxxx>
>
> Typo in your email address here.
>
> pw-bot: changes-requested
>
> Thanks,
> Conor.
>
> > +S: Maintained
> > +F: Documentation/devicetree/bindings/ufs/starfive,ufs.yaml
> > +
> > UNIWILL LAPTOP DRIVER
> > M: Armin Wolf <W_Armin@xxxxxx>
> > L: platform-driver-x86@xxxxxxxxxxxxxxx
> > --
> > 2.17.1
> >
> >