linux-kernel - [PATCH v5 04/24] dt-bindings: media: i2c: max96717: add support for pinctrl/pinconf

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Message-ID: <20250702132104.1537926-5-demonsingur@gmail.com>
Date: Wed,  2 Jul 2025 16:20:30 +0300
From: Cosmin Tanislav <demonsingur@...il.com>
To: Cosmin Tanislav <cosmin.tanislav@...log.com>,
	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,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-staging@...ts.linux.dev,
	linux-gpio@...r.kernel.org,
	Cosmin Tanislav <demonsingur@...il.com>
Subject: [PATCH v5 04/24] 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>
Reviewed-by: Rob Herring (Arm) <robh@...nel.org>
---
 .../bindings/media/i2c/maxim,max96717.yaml    | 105 ++++++++++++++++++
 1 file changed, 105 insertions(+)

diff --git a/Documentation/devicetree/bindings/media/i2c/maxim,max96717.yaml b/Documentation/devicetree/bindings/media/i2c/maxim,max96717.yaml
index 167c3dd50683..9afaa8a7a3f5 100644
--- a/Documentation/devicetree/bindings/media/i2c/maxim,max96717.yaml
+++ b/Documentation/devicetree/bindings/media/i2c/maxim,max96717.yaml
@@ -121,6 +121,111 @@ 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.
+          Rise and fall times represent the time needed for a GPIO to go
+          from 20% to 80% of VDDIO.
+          0 - Fastest
+              rise:  1.0ns @ 1.8V,  0.6ns @ 3.3V,
+              fall:  0.8ns @ 1.8V,  0.5ns @ 3.3V
+          1 - Fast
+              rise:  2.1ns @ 1.8V,  1.1ns @ 3.3V,
+              fall:  2.0ns @ 1.8V,  1.1ns @ 3.3V
+          2 - Slow
+              rise:  4.0ns @ 1.8V, 2.3ns @3.3V,
+              fall: 10.0ns @ 1.8V, 5.0ns @3.3V
+          3 - Slowest
+              rise:  9.0ns @ 1.8V, 5.0ns @3.3V,
+              fall: 10.0ns @ 1.8V, 5.0ns @3.3V
+        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.
+          Jitter compensation is used to minimize the jitter of the
+          signals transmitted from the deserializer to the serializer
+          by adding a fixed delay to every transition on the serializer
+          side. This can be used for pulse generation where timing is
+          critical.
+
+      maxim,tx-id:
+        $ref: /schemas/types.yaml#/definitions/uint32
+        description:
+          Enable transmission of the pin state from the serializer to
+          the deserializer using the specified identifier.
+        maximum: 31
+
+      maxim,rx-id:
+        $ref: /schemas/types.yaml#/definitions/uint32
+        description:
+          Enable transmission of the pin state from the deserializer to
+          the serializer using the specified identifier.
+        maximum: 31
+
+    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: [mfp2, mfp4]
+
 additionalProperties: false
 
 allOf:
-- 
2.50.0