[v1] riscv: sophgo: add top syscon device for cv18xx

[PATCH v1 1/3] dt-bindings: soc: sophgo: add TOP syscon for CV18XX/SG200X series SoC

Posted by Longbin Li 3 months, 4 weeks ago

The Sophgo CV1800/SG2000 SoC top misc system controller provides register
access to configure related modules. It includes a usb2 phy and a dma
multiplexer.

Signed-off-by: Inochi Amaoto <inochiama@gmail.com>
Signed-off-by: Longbin Li <looong.bin@gmail.com>
---
 .../soc/sophgo/sophgo,cv1800b-top-syscon.yaml | 59 +++++++++++++++++++
 1 file changed, 59 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/soc/sophgo/sophgo,cv1800b-top-syscon.yaml

diff --git a/Documentation/devicetree/bindings/soc/sophgo/sophgo,cv1800b-top-syscon.yaml b/Documentation/devicetree/bindings/soc/sophgo/sophgo,cv1800b-top-syscon.yaml
new file mode 100644
index 000000000000..d1993f2156b4
--- /dev/null
+++ b/Documentation/devicetree/bindings/soc/sophgo/sophgo,cv1800b-top-syscon.yaml
@@ -0,0 +1,59 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/soc/sophgo/sophgo,cv1800b-top-syscon.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Sophgo CV18XX/SG200X SoC top system controller
+
+maintainers:
+  - Inochi Amaoto <inochiama@outlook.com>
+
+description:
+  The Sophgo CV18XX/SG200X SoC top misc system controller provides
+  register access to configure related modules.
+
+properties:
+  compatible:
+    oneOf:
+      - items:
+          - const: sophgo,cv1800b-top-syscon
+          - const: syscon
+          - const: simple-mfd
+
+  reg:
+    maxItems: 1
+
+  "#address-cells":
+    const: 1
+
+  "#size-cells":
+    const: 1
+
+patternProperties:
+  "dma-router@154":
+    $ref: /schemas/dma/sophgo,cv1800b-dmamux.yaml#
+    unevaluatedProperties: false
+
+  "phy@48":
+    $ref: /schemas/phy/sophgo,cv1800b-usb2-phy.yaml#
+    unevaluatedProperties: false
+
+required:
+  - compatible
+  - reg
+  - "#address-cells"
+  - "#size-cells"
+
+additionalProperties: false
+
+examples:
+  - |
+    syscon@3000000 {
+      compatible = "sophgo,cv1800b-top-syscon", "syscon", "simple-mfd";
+      reg = <0x03000000 0x1000>;
+      #address-cells = <1>;
+      #size-cells = <1>;
+    };
+
+...
--
2.51.0

Re: [PATCH v1 1/3] dt-bindings: soc: sophgo: add TOP syscon for CV18XX/SG200X series SoC

Posted by Rob Herring 3 months, 3 weeks ago

On Sun, Oct 12, 2025 at 10:25:52AM +0800, Longbin Li wrote:
> The Sophgo CV1800/SG2000 SoC top misc system controller provides register
> access to configure related modules. It includes a usb2 phy and a dma
> multiplexer.
> 
> Signed-off-by: Inochi Amaoto <inochiama@gmail.com>
> Signed-off-by: Longbin Li <looong.bin@gmail.com>
> ---
>  .../soc/sophgo/sophgo,cv1800b-top-syscon.yaml | 59 +++++++++++++++++++
>  1 file changed, 59 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/soc/sophgo/sophgo,cv1800b-top-syscon.yaml
> 
> diff --git a/Documentation/devicetree/bindings/soc/sophgo/sophgo,cv1800b-top-syscon.yaml b/Documentation/devicetree/bindings/soc/sophgo/sophgo,cv1800b-top-syscon.yaml
> new file mode 100644
> index 000000000000..d1993f2156b4
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/soc/sophgo/sophgo,cv1800b-top-syscon.yaml
> @@ -0,0 +1,59 @@
> +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/soc/sophgo/sophgo,cv1800b-top-syscon.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Sophgo CV18XX/SG200X SoC top system controller
> +
> +maintainers:
> +  - Inochi Amaoto <inochiama@outlook.com>
> +
> +description:
> +  The Sophgo CV18XX/SG200X SoC top misc system controller provides
> +  register access to configure related modules.
> +
> +properties:
> +  compatible:
> +    oneOf:
> +      - items:
> +          - const: sophgo,cv1800b-top-syscon
> +          - const: syscon
> +          - const: simple-mfd
> +
> +  reg:
> +    maxItems: 1
> +
> +  "#address-cells":
> +    const: 1
> +
> +  "#size-cells":
> +    const: 1

Also need 'ranges'

> +
> +patternProperties:
> +  "dma-router@154":

This allows 'foodma-router@154bar'. It's not a pattern as-is, but 
generally we don't put fixed unit-addresses into the schema. So instead, 
should be "^dma-router@[0-9a-f]+$".

> +    $ref: /schemas/dma/sophgo,cv1800b-dmamux.yaml#
> +    unevaluatedProperties: false
> +
> +  "phy@48":

And similar here.

> +    $ref: /schemas/phy/sophgo,cv1800b-usb2-phy.yaml#
> +    unevaluatedProperties: false
> +
> +required:
> +  - compatible
> +  - reg
> +  - "#address-cells"
> +  - "#size-cells"
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    syscon@3000000 {
> +      compatible = "sophgo,cv1800b-top-syscon", "syscon", "simple-mfd";
> +      reg = <0x03000000 0x1000>;
> +      #address-cells = <1>;
> +      #size-cells = <1>;

Please make the example complete with child nodes.

> +    };
> +
> +...
> --
> 2.51.0

Re: [PATCH v1 1/3] dt-bindings: soc: sophgo: add TOP syscon for CV18XX/SG200X series SoC

Posted by Longbin Li 3 months, 3 weeks ago

On Wed, Oct 15, 2025 at 08:41:44AM -0500, Rob Herring wrote:
> On Sun, Oct 12, 2025 at 10:25:52AM +0800, Longbin Li wrote:
> > The Sophgo CV1800/SG2000 SoC top misc system controller provides register
> > access to configure related modules. It includes a usb2 phy and a dma
> > multiplexer.
> > 
> > Signed-off-by: Inochi Amaoto <inochiama@gmail.com>
> > Signed-off-by: Longbin Li <looong.bin@gmail.com>
> > ---
> >  .../soc/sophgo/sophgo,cv1800b-top-syscon.yaml | 59 +++++++++++++++++++
> >  1 file changed, 59 insertions(+)
> >  create mode 100644 Documentation/devicetree/bindings/soc/sophgo/sophgo,cv1800b-top-syscon.yaml
> > 
> > diff --git a/Documentation/devicetree/bindings/soc/sophgo/sophgo,cv1800b-top-syscon.yaml b/Documentation/devicetree/bindings/soc/sophgo/sophgo,cv1800b-top-syscon.yaml
> > new file mode 100644
> > index 000000000000..d1993f2156b4
> > --- /dev/null
> > +++ b/Documentation/devicetree/bindings/soc/sophgo/sophgo,cv1800b-top-syscon.yaml
> > @@ -0,0 +1,59 @@
> > +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
> > +%YAML 1.2
> > +---
> > +$id: http://devicetree.org/schemas/soc/sophgo/sophgo,cv1800b-top-syscon.yaml#
> > +$schema: http://devicetree.org/meta-schemas/core.yaml#
> > +
> > +title: Sophgo CV18XX/SG200X SoC top system controller
> > +
> > +maintainers:
> > +  - Inochi Amaoto <inochiama@outlook.com>
> > +
> > +description:
> > +  The Sophgo CV18XX/SG200X SoC top misc system controller provides
> > +  register access to configure related modules.
> > +
> > +properties:
> > +  compatible:
> > +    oneOf:
> > +      - items:
> > +          - const: sophgo,cv1800b-top-syscon
> > +          - const: syscon
> > +          - const: simple-mfd
> > +
> > +  reg:
> > +    maxItems: 1
> > +
> > +  "#address-cells":
> > +    const: 1
> > +
> > +  "#size-cells":
> > +    const: 1
> 
> Also need 'ranges'
> 
> > +
> > +patternProperties:
> > +  "dma-router@154":
> 
> This allows 'foodma-router@154bar'. It's not a pattern as-is, but 
> generally we don't put fixed unit-addresses into the schema. So instead, 
> should be "^dma-router@[0-9a-f]+$".
> 
> > +    $ref: /schemas/dma/sophgo,cv1800b-dmamux.yaml#
> > +    unevaluatedProperties: false
> > +
> > +  "phy@48":
> 
> And similar here.
> 
> > +    $ref: /schemas/phy/sophgo,cv1800b-usb2-phy.yaml#
> > +    unevaluatedProperties: false
> > +
> > +required:
> > +  - compatible
> > +  - reg
> > +  - "#address-cells"
> > +  - "#size-cells"
> > +
> > +additionalProperties: false
> > +
> > +examples:
> > +  - |
> > +    syscon@3000000 {
> > +      compatible = "sophgo,cv1800b-top-syscon", "syscon", "simple-mfd";
> > +      reg = <0x03000000 0x1000>;
> > +      #address-cells = <1>;
> > +      #size-cells = <1>;
> 
> Please make the example complete with child nodes.
> 
> > +    };
> > +
> > +...
> > --
> > 2.51.0

Thanks, I will fix it.

longbin li