Thread (46 messages) 46 messages, 8 authors, 2023-06-22

Re: [PATCH v3] dt-bindings: pinctrl: Convert Amlogic Meson pinctrl binding

From: Rob Herring <robh@kernel.org>
Date: 2023-02-01 02:06:52
Also in: linux-amlogic, linux-arm-kernel, linux-gpio

On Mon, Jan 30, 2023 at 10:00:24PM +0100, Heiner Kallweit wrote:
quoted hunk ↗ jump to hunk
Convert Amlogic Meson pinctrl binding to yaml.

Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
---
v2:
- consider that more than one compatible can be set
- remove bus part from example
v3:
- remove minItem/maxItem properties for compatible
---
 .../pinctrl/amlogic,meson-pinctrl.yaml        | 122 ++++++++++++++++++
 .../bindings/pinctrl/meson,pinctrl.txt        |  94 --------------
 2 files changed, 122 insertions(+), 94 deletions(-)
 create mode 100644 Documentation/devicetree/bindings/pinctrl/amlogic,meson-pinctrl.yaml
 delete mode 100644 Documentation/devicetree/bindings/pinctrl/meson,pinctrl.txt
diff --git a/Documentation/devicetree/bindings/pinctrl/amlogic,meson-pinctrl.yaml b/Documentation/devicetree/bindings/pinctrl/amlogic,meson-pinctrl.yaml
new file mode 100644
index 000000000..7aaae606b
--- /dev/null
+++ b/Documentation/devicetree/bindings/pinctrl/amlogic,meson-pinctrl.yaml
@@ -0,0 +1,122 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/pinctrl/amlogic,meson-pinctrl.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Amlogic Meson pinmux controller
+
+maintainers:
+  - Neil Armstrong <neil.armstrong@linaro.org>
+
+allOf:
+  - $ref: pinctrl.yaml#
+
+properties:
+  compatible:
+    oneOf:
+      - items:
+          - enum:
+              - amlogic,meson8-cbus-pinctrl
+              - amlogic,meson8b-cbus-pinctrl
+              - amlogic,meson8m2-cbus-pinctrl
+              - amlogic,meson8-aobus-pinctrl
+              - amlogic,meson8b-aobus-pinctrl
+              - amlogic,meson8m2-aobus-pinctrl
+              - amlogic,meson-gxbb-periphs-pinctrl
+              - amlogic,meson-gxbb-aobus-pinctrl
+              - amlogic,meson-gxl-periphs-pinctrl
+              - amlogic,meson-gxl-aobus-pinctrl
+              - amlogic,meson-axg-periphs-pinctrl
+              - amlogic,meson-axg-aobus-pinctrl
+              - amlogic,meson-g12a-periphs-pinctrl
+              - amlogic,meson-g12a-aobus-pinctrl
+              - amlogic,meson-a1-periphs-pinctrl
+              - amlogic,meson-s4-periphs-pinctrl
+      - items:
+          - const: amlogic,meson8m2-aobus-pinctrl
+          - const: amlogic,meson8-aobus-pinctrl
+      - items:
+          - const: amlogic,meson8m2-cbus-pinctrl
+          - const: amlogic,meson8-cbus-pinctrl
Again, can't have both with and without the fallback allowed.
+
+  ranges: true
+
+  "#address-cells":
+    enum: [1, 2]
+
+  "#size-cells":
+    enum: [1, 2]
+
+required:
+  - compatible
+  - ranges
+  - "#address-cells"
+  - "#size-cells"
+
+additionalProperties:
+  anyOf:
Don't need anyOf.
+    - type: object
+      allOf:
+        - $ref: pincfg-node.yaml#
+        - $ref: pinmux-node.yaml#
+
+patternProperties:
+  "^bank@[0-9]$":
Unit addresses are hex.
+    type: object
+    properties:
+      reg:
+        minItems: 5
+        maxItems: 5
+
+      reg-names:
+        items:
+          - const: gpio
+          - const: pull
+          - const: pull-enable
+          - const: mux
+          - const: ds
+
+      gpio-controller: true
+
+      "#gpio-cells":
+        const: 2
+
+      gpio-ranges:
+        $ref: /schemas/types.yaml#/definitions/phandle
Wrong type and gpio-ranges already has a type.
+
+    required:
+      - reg
+      - reg-names
+      - gpio-controller
+      - "#gpio-cells"
+      - gpio-ranges
+
+examples:
+  - |
+    pinctrl {
+      compatible = "amlogic,meson-g12a-periphs-pinctrl";
+      #address-cells = <1>;
+      #size-cells = <1>;
+      ranges;
+
+      bank@40 {
+        reg = <0x0 0x40  0x0 0x4c>,
+              <0x0 0xe8  0x0 0x18>,
+              <0x0 0x120 0x0 0x18>,
+              <0x0 0x2c0 0x0 0x40>,
+              <0x0 0x340 0x0 0x1c>;
+        reg-names = "gpio", "pull", "pull-enable", "mux", "ds";
+        gpio-controller;
+        #gpio-cells = <2>;
+        gpio-ranges = <&periphs_pinctrl 0 0 86>;
+      };
+
+      cec_ao_a_h_pins: cec_ao_a_h {
+        mux {
+          groups = "cec_ao_a_h";
+          function = "cec_ao_a_h";
+          bias-disable;
+        };
+      };
+    };
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