linux-kernel - [PATCH 01/13] dt-bindings: i2c: nomadik: add timeout-usecs property bindings

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Date: Thu, 15 Feb 2024 17:52:08 +0100
From: Théo Lebrun <theo.lebrun@...tlin.com>
To: Linus Walleij <linus.walleij@...aro.org>, 
 Andi Shyti <andi.shyti@...nel.org>, Rob Herring <robh+dt@...nel.org>, 
 Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>, 
 Conor Dooley <conor+dt@...nel.org>, 
 Thomas Bogendoerfer <tsbogend@...ha.franken.de>
Cc: linux-arm-kernel@...ts.infradead.org, linux-i2c@...r.kernel.org, 
 devicetree@...r.kernel.org, linux-kernel@...r.kernel.org, 
 linux-mips@...r.kernel.org, Gregory Clement <gregory.clement@...tlin.com>, 
 Vladimir Kondratiev <vladimir.kondratiev@...ileye.com>, 
 Thomas Petazzoni <thomas.petazzoni@...tlin.com>, 
 Tawfik Bayouk <tawfik.bayouk@...ileye.com>, 
 Théo Lebrun <theo.lebrun@...tlin.com>
Subject: [PATCH 01/13] dt-bindings: i2c: nomadik: add timeout-usecs
 property bindings

Expose I2C device timeout configuration from devicetree. Use µs as time
unit and express it in the name.

Signed-off-by: Théo Lebrun <theo.lebrun@...tlin.com>
---
 Documentation/devicetree/bindings/i2c/st,nomadik-i2c.yaml | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/Documentation/devicetree/bindings/i2c/st,nomadik-i2c.yaml b/Documentation/devicetree/bindings/i2c/st,nomadik-i2c.yaml
index 16024415a4a7..e6b95e3765ac 100644
--- a/Documentation/devicetree/bindings/i2c/st,nomadik-i2c.yaml
+++ b/Documentation/devicetree/bindings/i2c/st,nomadik-i2c.yaml
@@ -70,6 +70,10 @@ properties:
     minimum: 1
     maximum: 400000
 
+  timeout-usecs:
+    $ref: /schemas/types.yaml#/definitions/uint32
+    description: Timeout on I2C xfers in µs.
+
 required:
   - compatible
   - reg
@@ -98,6 +102,7 @@ examples:
       clock-names = "i2cclk", "apb_pclk";
       power-domains = <&pm_domains DOMAIN_VAPE>;
       resets = <&prcc_reset DB8500_PRCC_3 DB8500_PRCC_3_RESET_I2C0>;
+      timeout-usecs = <200000>;
     };
 
     i2c@...f8000 {

-- 
2.43.1