[v1] MMC: add NPCM SDHCI driver support

[PATCH v1 1/2] dt-bindings: mmc: npcm,sdhci: Document NPCM SDHCI controller

Posted by Tomer Maimon 2 years, 9 months ago

Add binding for Nuvoton NPCM SDHCI controller.

Signed-off-by: Tomer Maimon <tmaimon77@gmail.com>
---
 .../devicetree/bindings/mmc/npcm,sdhci.yaml   | 47 +++++++++++++++++++
 1 file changed, 47 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/mmc/npcm,sdhci.yaml

diff --git a/Documentation/devicetree/bindings/mmc/npcm,sdhci.yaml b/Documentation/devicetree/bindings/mmc/npcm,sdhci.yaml
new file mode 100644
index 000000000000..38409272807a
--- /dev/null
+++ b/Documentation/devicetree/bindings/mmc/npcm,sdhci.yaml
@@ -0,0 +1,47 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/mmc/npcm,sdhci.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: NPCM SDHCI Controller
+
+maintainers:
+  - Tomer Maimon <tmaimon77@gmail.com>
+
+properties:
+  compatible:
+    enum:
+      - nuvoton,npcm750-sdhci
+      - nuvoton,npcm845-sdhci
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    maxItems: 1
+
+  clocks:
+    maxItems: 1
+
+patternProperties:
+  "^sdhci@[0-9a-f]+$":
+    type: object
+    $ref: mmc-controller.yaml
+
+required:
+  - compatible
+  - reg
+  - interrupts
+  - clocks
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    sdhci0: sdhci@f0840000 {
+      compatible = "nuvoton,npcm750-sdhci";
+      reg = <0xf0840000 0x200>;
+      interrupts = <0 27 4>;
+      clocks = <&clk 4>;
+    };
-- 
2.33.0

Re: [PATCH v1 1/2] dt-bindings: mmc: npcm,sdhci: Document NPCM SDHCI controller

Posted by Rob Herring 2 years, 9 months ago

On Wed, Nov 30, 2022 at 05:08:56PM +0200, Tomer Maimon wrote:
> Add binding for Nuvoton NPCM SDHCI controller.
> 
> Signed-off-by: Tomer Maimon <tmaimon77@gmail.com>
> ---
>  .../devicetree/bindings/mmc/npcm,sdhci.yaml   | 47 +++++++++++++++++++
>  1 file changed, 47 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/mmc/npcm,sdhci.yaml
> 
> diff --git a/Documentation/devicetree/bindings/mmc/npcm,sdhci.yaml b/Documentation/devicetree/bindings/mmc/npcm,sdhci.yaml
> new file mode 100644
> index 000000000000..38409272807a
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/mmc/npcm,sdhci.yaml
> @@ -0,0 +1,47 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/mmc/npcm,sdhci.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: NPCM SDHCI Controller
> +
> +maintainers:
> +  - Tomer Maimon <tmaimon77@gmail.com>
> +
> +properties:
> +  compatible:
> +    enum:
> +      - nuvoton,npcm750-sdhci
> +      - nuvoton,npcm845-sdhci
> +
> +  reg:
> +    maxItems: 1
> +
> +  interrupts:
> +    maxItems: 1
> +
> +  clocks:
> +    maxItems: 1
> +
> +patternProperties:
> +  "^sdhci@[0-9a-f]+$":
> +    type: object

sdhci is a child node of the nuvoton,npcm750-sdhci node?

> +    $ref: mmc-controller.yaml

I think you want:

allOf:
  - $ref: mmc-controller.yaml#

And then you will have some errors in the example to fix.

> +
> +required:
> +  - compatible
> +  - reg
> +  - interrupts
> +  - clocks
> +
> +unevaluatedProperties: false
> +
> +examples:
> +  - |
> +    sdhci0: sdhci@f0840000 {

Drop unused labels.

Node name should be 'mmc'

> +      compatible = "nuvoton,npcm750-sdhci";

Indent by 4 spaces.

> +      reg = <0xf0840000 0x200>;
> +      interrupts = <0 27 4>;
> +      clocks = <&clk 4>;
> +    };
> -- 
> 2.33.0
> 
>

Re: [PATCH v1 1/2] dt-bindings: mmc: npcm,sdhci: Document NPCM SDHCI controller

Posted by Tomer Maimon 2 years, 9 months ago

Hi Rob,

Thanks for your comments.

Your comments will be addressed next version.

On Fri, 2 Dec 2022 at 01:49, Rob Herring <robh@kernel.org> wrote:
>
> On Wed, Nov 30, 2022 at 05:08:56PM +0200, Tomer Maimon wrote:
> > Add binding for Nuvoton NPCM SDHCI controller.
> >
> > Signed-off-by: Tomer Maimon <tmaimon77@gmail.com>
> > ---
> >  .../devicetree/bindings/mmc/npcm,sdhci.yaml   | 47 +++++++++++++++++++
> >  1 file changed, 47 insertions(+)
> >  create mode 100644 Documentation/devicetree/bindings/mmc/npcm,sdhci.yaml
> >
> > diff --git a/Documentation/devicetree/bindings/mmc/npcm,sdhci.yaml b/Documentation/devicetree/bindings/mmc/npcm,sdhci.yaml
> > new file mode 100644
> > index 000000000000..38409272807a
> > --- /dev/null
> > +++ b/Documentation/devicetree/bindings/mmc/npcm,sdhci.yaml
> > @@ -0,0 +1,47 @@
> > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> > +%YAML 1.2
> > +---
> > +$id: http://devicetree.org/schemas/mmc/npcm,sdhci.yaml#
> > +$schema: http://devicetree.org/meta-schemas/core.yaml#
> > +
> > +title: NPCM SDHCI Controller
> > +
> > +maintainers:
> > +  - Tomer Maimon <tmaimon77@gmail.com>
> > +
> > +properties:
> > +  compatible:
> > +    enum:
> > +      - nuvoton,npcm750-sdhci
> > +      - nuvoton,npcm845-sdhci
> > +
> > +  reg:
> > +    maxItems: 1
> > +
> > +  interrupts:
> > +    maxItems: 1
> > +
> > +  clocks:
> > +    maxItems: 1
> > +
> > +patternProperties:
> > +  "^sdhci@[0-9a-f]+$":
> > +    type: object
>
> sdhci is a child node of the nuvoton,npcm750-sdhci node?
No, will be removed
>
> > +    $ref: mmc-controller.yaml
>
> I think you want:
>
> allOf:
>   - $ref: mmc-controller.yaml#
>
> And then you will have some errors in the example to fix.
>
> > +
> > +required:
> > +  - compatible
> > +  - reg
> > +  - interrupts
> > +  - clocks
> > +
> > +unevaluatedProperties: false
> > +
> > +examples:
> > +  - |
> > +    sdhci0: sdhci@f0840000 {
>
> Drop unused labels.
>
> Node name should be 'mmc'
>
> > +      compatible = "nuvoton,npcm750-sdhci";
>
> Indent by 4 spaces.
>
> > +      reg = <0xf0840000 0x200>;
> > +      interrupts = <0 27 4>;
> > +      clocks = <&clk 4>;
> > +    };
> > --
> > 2.33.0
> >
> >

Best regards,

Tomer