linux-kernel - [PATCH v4 04/19] dt-bindings: media: i2c: max96717: add support for pinctrl/pinconf

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Message-ID: <20250618095858.2145209-5-demonsingur@gmail.com>
Date: Wed, 18 Jun 2025 12:58:40 +0300
From: Cosmin Tanislav <demonsingur@...il.com>
To: Tomi Valkeinen <tomi.valkeinen+renesas@...asonboard.com>,
	Mauro Carvalho Chehab <mchehab@...nel.org>,
	Rob Herring <robh@...nel.org>,
	Niklas Söderlund <niklas.soderlund@...natech.se>,
	Julien Massot <julien.massot@...labora.com>,
	Sakari Ailus <sakari.ailus@...ux.intel.com>,
	Laurent Pinchart <laurent.pinchart@...asonboard.com>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Linus Walleij <linus.walleij@...aro.org>
Cc: linux-media@...r.kernel.org (open list:MAXIM GMSL2 SERIALIZERS AND DESERIALIZERS),
	devicetree@...r.kernel.org (open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS),
	linux-kernel@...r.kernel.org (open list),
	linux-arm-kernel@...ts.infradead.org (moderated list:ARM64 PORT (AARCH64 ARCHITECTURE)),
	linux-staging@...ts.linux.dev (open list:STAGING SUBSYSTEM),
	linux-gpio@...r.kernel.org (open list:GPIO SUBSYSTEM:Keyword:(devm_)?gpio_(request|free|direction|get|set)),
	Cosmin Tanislav <cosmin.tanislav@...log.com>,
	Cosmin Tanislav <demonsingur@...il.com>
Subject: [PATCH v4 04/19] dt-bindings: media: i2c: max96717: add support for pinctrl/pinconf

MAX96717 is capable of configuring various pin properties.

Add pinctrl/pinconf properties to support this usecase.

Signed-off-by: Cosmin Tanislav <demonsingur@...il.com>
---
 .../bindings/media/i2c/maxim,max96717.yaml    | 110 ++++++++++++++++++
 1 file changed, 110 insertions(+)

diff --git a/Documentation/devicetree/bindings/media/i2c/maxim,max96717.yaml b/Documentation/devicetree/bindings/media/i2c/maxim,max96717.yaml
index 167c3dd50683..5998e2518be9 100644
--- a/Documentation/devicetree/bindings/media/i2c/maxim,max96717.yaml
+++ b/Documentation/devicetree/bindings/media/i2c/maxim,max96717.yaml
@@ -121,6 +121,116 @@ required:
   - reg
   - ports
 
+patternProperties:
+  '-pins$':
+    type: object
+    additionalProperties: false
+
+    properties:
+      function:
+        enum: [gpio, rclkout]
+
+      pins: true
+      drive-open-drain: true
+      drive-push-pull: true
+      bias-disable: true
+      output-disable: true
+      output-enable: true
+      output-low: true
+      output-high: true
+      input-enable: true
+
+      slew-rate:
+        description: |
+          Slew rate.
+          0 - Fastest
+          1 - Fast
+          2 - Slow
+          3 - Slowest
+        maximum: 3
+
+      bias-pull-up:
+        oneOf:
+          - type: boolean
+            description: Enable regular 40kOhm pull-up
+          - enum: [ 40000, 1000000 ]
+            description: Enable either the 40kOhm or the 1MOhm pull-up
+
+      bias-pull-down:
+        oneOf:
+          - type: boolean
+            description: Enable regular 40kOhm pull-down
+          - enum: [ 40000, 1000000 ]
+            description: Enable either the 40kOhm or the 1MOhm pull-down
+
+      maxim,jitter-compensation:
+        type: boolean
+        description: Enables jitter compensation.
+
+      maxim,gmsl-tx:
+        type: boolean
+        description: Enable transmitting pin value to GMSL link.
+
+      maxim,gmsl-rx:
+        type: boolean
+        description: Enable receiving pin value from GMSL link.
+
+      maxim,gmsl-tx-id:
+        $ref: /schemas/types.yaml#/definitions/uint32
+        description:
+          Identifier used while transmitting value to GMSL link.
+          Default value matches the pin number.
+        minimum: 0
+        maximum: 31
+
+      maxim,gmsl-rx-id:
+        $ref: /schemas/types.yaml#/definitions/uint32
+        description:
+          Identifier used while receiving value from GMSL link.
+          Default value matches the pin number.
+        minimum: 0
+        maximum: 31
+
+      maxim,rclkout-clock:
+        $ref: /schemas/types.yaml#/definitions/uint32
+        description: |
+          Clock value.
+          0 - XTAL / 1 = 25MHz
+          1 - XTAL / 2 = 12.5MHz
+          2 - XTAL / 4 = 6.25MHz
+          3 - Reference PLL output
+        minimum: 0
+        maximum: 3
+
+    required:
+      - pins
+      - function
+
+    allOf:
+      - $ref: /schemas/pinctrl/pincfg-node.yaml#
+      - $ref: /schemas/pinctrl/pinmux-node.yaml#
+
+      - if:
+          properties:
+            function:
+              const: gpio
+        then:
+          properties:
+            pins:
+              items:
+                enum: [mfp0, mfp1, mfp2, mfp3, mfp4, mfp5, mfp6, mfp7,
+                       mfp8, mfp9, mfp10]
+
+      - if:
+          properties:
+            function:
+              const: rclkout
+        then:
+          properties:
+            pins:
+              items:
+                enum: [mfp0, mfp1, mfp2, mfp3, mfp4, mfp7, mfp8]
+
 additionalProperties: false
 
 allOf:
-- 
2.49.0