[PATCH v3 5/7] dt-bindings: soc: starfive: Add StarFive syscon module

Conor Dooley conor at kernel.org
Mon May 8 12:24:53 PDT 2023


On Mon, Apr 24, 2023 at 06:15:47PM +0100, Conor Dooley wrote:
> On Fri, Apr 14, 2023 at 10:41:55AM +0800, Xingyu Wu wrote:
> > From: William Qiu <william.qiu at starfivetech.com>
> > 
> > Add documentation to describe StarFive System Controller Registers.
> > 
> > Signed-off-by: William Qiu <william.qiu at starfivetech.com>
> > ---
> >  .../soc/starfive/starfive,jh7110-syscon.yaml  | 58 +++++++++++++++++++
> >  MAINTAINERS                                   |  6 ++
> >  2 files changed, 64 insertions(+)
> >  create mode 100644 Documentation/devicetree/bindings/soc/starfive/starfive,jh7110-syscon.yaml
> > 
> > diff --git a/Documentation/devicetree/bindings/soc/starfive/starfive,jh7110-syscon.yaml b/Documentation/devicetree/bindings/soc/starfive/starfive,jh7110-syscon.yaml
> > new file mode 100644
> > index 000000000000..de086e74a229
> > --- /dev/null
> > +++ b/Documentation/devicetree/bindings/soc/starfive/starfive,jh7110-syscon.yaml
> > @@ -0,0 +1,58 @@
> > +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
> > +%YAML 1.2
> > +---
> > +$id: http://devicetree.org/schemas/soc/starfive/starfive,jh7110-syscon.yaml#
> > +$schema: http://devicetree.org/meta-schemas/core.yaml#
> > +
> > +title: StarFive JH7110 SoC system controller
> > +
> > +maintainers:
> > +  - William Qiu <william.qiu at starfivetech.com>
> > +
> > +description: |
> > +  The StarFive JH7110 SoC system controller provides register information such
> > +  as offset, mask and shift to configure related modules such as MMC and PCIe.
> > +
> > +properties:
> > +  compatible:
> > +    oneOf:
> > +      - items:
> > +          - enum:
> > +              - starfive,jh7110-aon-syscon
> > +              - starfive,jh7110-sys-syscon
> > +          - const: syscon
> > +          - const: simple-mfd
> > +      - items:
> > +          - const: starfive,jh7110-stg-syscon
> > +          - const: syscon
> > +
> > +  reg:
> > +    maxItems: 1
> > +
> > +  clock-controller:
> > +    $ref: /schemas/clock/starfive,jh7110-pll.yaml#
> > +    type: object
> > +
> > +  power-controller:
> > +    $ref: /schemas/power/starfive,jh7110-pmu.yaml#
> > +    type: object
> 
> My plan was to grab this patch after the merge window, but there's been
> some back and forth [1] about what exactly should be a power-controller
> here. Given the merge window is open & I know Emil wants to look at the
> various clock bits for the JH7110, I don't think there's a pressing need
> for you to do anything here, but figured I'd at least mention how things
> are going on this thread too.

To follow up on this, it transpired in that thread that this node, not a
child node, should be the power controller.

Up to you StarFive folk how you wish to resend, but I am fine with it
being in this series, I shall just not pick up the soc driver patches
until the resent binding is applied by Stephen.

Thanks,
Conor.
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