[PATCH 1/2] dt-bindings: display: bridge: icn6211: Add support for external REFCLK

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The ICN6211 is capable of deriving its internal PLL clock from either
MIPI DSI HS clock, external REFCLK clock, or even internal oscillator.
Currently supported is only the first option. Document support for
external REFCLK clock input in addition to that.

Signed-off-by: Marek Vasut <marex@xxxxxxx>
Cc: Jagan Teki <jagan@xxxxxxxxxxxxxxxxxxxx>
Cc: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>
Cc: Linus Walleij <linus.walleij@xxxxxxxxxx>
Cc: Rob Herring <robh@xxxxxxxxxx>
Cc: Robert Foss <robert.foss@xxxxxxxxxx>
Cc: Sam Ravnborg <sam@xxxxxxxxxxxx>
Cc: dri-devel@xxxxxxxxxxxxxxxxxxxxx
Cc: devicetree@xxxxxxxxxxxxxxx
---
 .../bindings/display/bridge/chipone,icn6211.yaml         | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/Documentation/devicetree/bindings/display/bridge/chipone,icn6211.yaml b/Documentation/devicetree/bindings/display/bridge/chipone,icn6211.yaml
index 4f0b7c71313c3..18563ebed1a96 100644
--- a/Documentation/devicetree/bindings/display/bridge/chipone,icn6211.yaml
+++ b/Documentation/devicetree/bindings/display/bridge/chipone,icn6211.yaml
@@ -24,6 +24,15 @@ properties:
     maxItems: 1
     description: virtual channel number of a DSI peripheral
 
+  clock-names:
+    const: "refclk"
+
+  clocks:
+    maxItems: 1
+    description: |
+        Optional external clock connected to REF_CLK input.
+        The clock rate must be in 10..154 MHz range.
+
   enable-gpios:
     description: Bridge EN pin, chip is reset when EN is low.
 
-- 
2.35.1




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