linux-kernel - [PATCH v1 06/43] dt-bindings: pinctrl: Add Cirrus EP93xx

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Message-Id: <20230601053546.9574-7-nikita.shubin@maquefel.me>
Date:   Thu,  1 Jun 2023 08:33:57 +0300
From:   Nikita Shubin <nikita.shubin@...uefel.me>
To:     Alexander Sverdlin <alexander.sverdlin@...il.com>,
        Arnd Bergmann <arnd@...db.de>,
        Linus Walleij <linus.walleij@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Nikita Shubin <nikita.shubin@...uefel.me>
Cc:     Michael Peters <mpeters@...eddedTS.com>,
        Kris Bahnsen <kris@...eddedTS.com>, linux-gpio@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH v1 06/43] dt-bindings: pinctrl: Add Cirrus EP93xx

Add YAML bindings for ep93xx SoC pinctrl.

Signed-off-by: Nikita Shubin <nikita.shubin@...uefel.me>
Reviewed-by: Linus Walleij <linus.walleij@...aro.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@...uefel.me>
+  - Alexander Sverdlin <alexander.sverdlin@...il.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@...30000 {
+      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";
+        };
+      };
+    };
-- 
2.37.4