[v1,06/43] dt-bindings: pinctrl: Add Cirrus EP93xx

Message ID 20230601053546.9574-7-nikita.shubin@maquefel.me
State New
Headers
Series None |

Commit Message

Nikita Shubin June 1, 2023, 5:33 a.m. UTC
  Add YAML bindings for ep93xx SoC pinctrl.

Signed-off-by: Nikita Shubin <nikita.shubin@maquefel.me>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
---

Notes:
    v0 -> v1:
    
    Krzysztof Kozlowski:
    - removed wildcards
    - use fallback compatible and list all possible compatibles
    - fix ident
    - dropped bindings in title

 .../pinctrl/cirrus,ep9301-pinctrl.yaml        | 66 +++++++++++++++++++
 1 file changed, 66 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/pinctrl/cirrus,ep9301-pinctrl.yaml
  

Comments

Krzysztof Kozlowski June 1, 2023, 6:42 a.m. UTC | #1
On 01/06/2023 07:33, Nikita Shubin wrote:
> Add YAML bindings for ep93xx SoC pinctrl.
> 
> Signed-off-by: Nikita Shubin <nikita.shubin@maquefel.me>
> Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
> ---
> 
> Notes:
>     v0 -> v1:
>     
>     Krzysztof Kozlowski:
>     - removed wildcards
>     - use fallback compatible and list all possible compatibles
>     - fix ident
>     - dropped bindings in title
> 
>  .../pinctrl/cirrus,ep9301-pinctrl.yaml        | 66 +++++++++++++++++++
>  1 file changed, 66 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/pinctrl/cirrus,ep9301-pinctrl.yaml
> 
> diff --git a/Documentation/devicetree/bindings/pinctrl/cirrus,ep9301-pinctrl.yaml b/Documentation/devicetree/bindings/pinctrl/cirrus,ep9301-pinctrl.yaml
> new file mode 100644
> index 000000000000..ff7b30a11bab
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/pinctrl/cirrus,ep9301-pinctrl.yaml
> @@ -0,0 +1,66 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/pinctrl/cirrus,ep9301-pinctrl.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Cirrus ep93xx pins mux controller
> +
> +maintainers:
> +  - Nikita Shubin <nikita.shubin@maquefel.me>
> +  - Alexander Sverdlin <alexander.sverdlin@gmail.com>
> +
> +properties:
> +  compatible:
> +    oneOf:
> +      - const: cirrus,ep9301-pinctrl
> +      - items:
> +          - enum:
> +              - cirrus,ep9302-pinctrl
> +              - cirrus,ep9307-pinctrl
> +              - cirrus,ep9312-pinctrl
> +              - cirrus,ep9315-pinctrl
> +          - const: cirrus,ep9301-pinctrl
> +
> +patternProperties:
> +  '^pins-':
> +    type: object
> +    description: pin node
> +    $ref: pinmux-node.yaml#
> +
> +    properties:
> +      function:
> +        enum: [ spi, ac97, i2s, pwm, keypad, pata, lcd, gpio ]

Blank line.

> +      groups:
> +        minItems: 1
> +        maxItems: 2

How one pin can belong to two groups? What does it mean?

> +        items:
> +          enum: [ ssp, ac97, i2s_on_ssp, i2s_on_ac97, pwm1, gpio1agrp,
> +                  gpio2agrp, gpio3agrp, gpio4agrp, gpio6agrp, gpio7agrp,
> +                  rasteronsdram0grp, rasteronsdram3grp, keypadgrp, idegrp]
> +
> +    required:
> +      - function
> +      - groups
> +
> +required:
> +  - compatible
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    syscon@80930000 {
> +      compatible = "cirrus,ep9301-syscon",
> +                  "syscon", "simple-mfd";

Weird wrapping.

> +      reg = <0x80930000 0x1000>;
> +      #clock-cells = <1>;
> +      #reset-cells = <1>;
> +      pinctrl {
> +        compatible = "cirrus,ep9312-pinctrl", "cirrus,ep9301-pinctrl";
> +        spi_default_pins: pins-spi {
> +          function = "spi";
> +          groups = "ssp";
> +        };
> +      };
> +    };

Best regards,
Krzysztof
  

Patch

diff --git a/Documentation/devicetree/bindings/pinctrl/cirrus,ep9301-pinctrl.yaml b/Documentation/devicetree/bindings/pinctrl/cirrus,ep9301-pinctrl.yaml
new file mode 100644
index 000000000000..ff7b30a11bab
--- /dev/null
+++ b/Documentation/devicetree/bindings/pinctrl/cirrus,ep9301-pinctrl.yaml
@@ -0,0 +1,66 @@ 
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/pinctrl/cirrus,ep9301-pinctrl.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Cirrus ep93xx pins mux controller
+
+maintainers:
+  - Nikita Shubin <nikita.shubin@maquefel.me>
+  - Alexander Sverdlin <alexander.sverdlin@gmail.com>
+
+properties:
+  compatible:
+    oneOf:
+      - const: cirrus,ep9301-pinctrl
+      - items:
+          - enum:
+              - cirrus,ep9302-pinctrl
+              - cirrus,ep9307-pinctrl
+              - cirrus,ep9312-pinctrl
+              - cirrus,ep9315-pinctrl
+          - const: cirrus,ep9301-pinctrl
+
+patternProperties:
+  '^pins-':
+    type: object
+    description: pin node
+    $ref: pinmux-node.yaml#
+
+    properties:
+      function:
+        enum: [ spi, ac97, i2s, pwm, keypad, pata, lcd, gpio ]
+      groups:
+        minItems: 1
+        maxItems: 2
+        items:
+          enum: [ ssp, ac97, i2s_on_ssp, i2s_on_ac97, pwm1, gpio1agrp,
+                  gpio2agrp, gpio3agrp, gpio4agrp, gpio6agrp, gpio7agrp,
+                  rasteronsdram0grp, rasteronsdram3grp, keypadgrp, idegrp]
+
+    required:
+      - function
+      - groups
+
+required:
+  - compatible
+
+additionalProperties: false
+
+examples:
+  - |
+    syscon@80930000 {
+      compatible = "cirrus,ep9301-syscon",
+                  "syscon", "simple-mfd";
+      reg = <0x80930000 0x1000>;
+      #clock-cells = <1>;
+      #reset-cells = <1>;
+      pinctrl {
+        compatible = "cirrus,ep9312-pinctrl", "cirrus,ep9301-pinctrl";
+        spi_default_pins: pins-spi {
+          function = "spi";
+          groups = "ssp";
+        };
+      };
+    };