linux-kernel - [PATCH 1/2] dt-bindings: i2c: omap: Add mux-states property

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Message-ID: <20250318103622.29979-2-j-choudhary@ti.com>
Date: Tue, 18 Mar 2025 16:06:21 +0530
From: Jayesh Choudhary <j-choudhary@...com>
To: <vigneshr@...com>, <andi.shyti@...nel.org>, <robh@...nel.org>,
        <krzk+dt@...nel.org>, <conor+dt@...nel.org>,
        <linux-kernel@...r.kernel.org>
CC: <aaro.koskinen@....fi>, <andreas@...nade.info>, <khilman@...libre.com>,
        <rogerq@...nel.org>, <tony@...mide.com>, <jmkrzyszt@...il.com>,
        <linux-omap@...r.kernel.org>, <linux-i2c@...r.kernel.org>,
        <devicetree@...r.kernel.org>, <j-choudhary@...com>
Subject: [PATCH 1/2] dt-bindings: i2c: omap: Add mux-states property

Add mux controller support for when the I2C lines are muxed after
signals come out of SoC and before they go to any client.

Signed-off-by: Jayesh Choudhary <j-choudhary@...com>
---
 Documentation/devicetree/bindings/i2c/ti,omap4-i2c.yaml | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/Documentation/devicetree/bindings/i2c/ti,omap4-i2c.yaml b/Documentation/devicetree/bindings/i2c/ti,omap4-i2c.yaml
index 8c2e35fabf5b..58d32ceeacfc 100644
--- a/Documentation/devicetree/bindings/i2c/ti,omap4-i2c.yaml
+++ b/Documentation/devicetree/bindings/i2c/ti,omap4-i2c.yaml
@@ -47,6 +47,11 @@ properties:
     $ref: /schemas/types.yaml#/definitions/string
     deprecated: true
 
+  mux-states:
+    description:
+      mux controller node to route the I2C signals from SoC to clients.
+    maxItems: 1
+
 required:
   - compatible
   - reg
@@ -87,4 +92,5 @@ examples:
         interrupts = <GIC_SPI 200 IRQ_TYPE_LEVEL_HIGH>;
         #address-cells = <1>;
         #size-cells = <0>;
+        mux-states = <&i2c_mux 1>;
     };
-- 
2.34.1