linux-kernel - [PATCH V5 1/3] dt-bindings: i2c: xiic: Add 'xlnx,axi-iic-2.1' to compatible

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Message-ID: <1675942646-31006-2-git-send-email-manikanta.guntupalli@amd.com>
Date:   Thu, 9 Feb 2023 17:07:24 +0530
From:   Manikanta Guntupalli <manikanta.guntupalli@....com>
To:     <michal.simek@...inx.com>, <michal.simek@....com>,
        <devicetree@...r.kernel.org>, <andrew@...n.ch>,
        <robh+dt@...nel.org>, <krzysztof.kozlowski+dt@...aro.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-i2c@...r.kernel.org>, <linux-kernel@...r.kernel.org>
CC:     <git@....com>, <manikanta.guntupalli@....com>,
        <srinivas.goud@....com>, <shubhrajyoti.datta@....com>,
        <manion05gk@...il.com>,
        Raviteja Narayanam <raviteja.narayanam@...inx.com>
Subject: [PATCH V5 1/3] dt-bindings: i2c: xiic: Add 'xlnx,axi-iic-2.1' to compatible

From: Raviteja Narayanam <raviteja.narayanam@...inx.com>

Add xilinx I2C new version 'xlnx,axi-iic-2.1' string to compatible
Add clock-frequency as optional property.

Signed-off-by: Raviteja Narayanam <raviteja.narayanam@...inx.com>
Signed-off-by: Manikanta Guntupalli <manikanta.guntupalli@....com>
Acked-by: Michal Simek <michal.simek@....com>
---
Changes for v4:
Add description for clock-frequency in xlnx,xps-iic-2.00.a.yaml
Changes for v5:
Update description and add default value details for clock-frequency
in xlnx,xps-iic-2.00.a.yaml
---
 .../devicetree/bindings/i2c/xlnx,xps-iic-2.00.a.yaml  | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/i2c/xlnx,xps-iic-2.00.a.yaml b/Documentation/devicetree/bindings/i2c/xlnx,xps-iic-2.00.a.yaml
index 8d241a703d85..3f95ff2b5771 100644
--- a/Documentation/devicetree/bindings/i2c/xlnx,xps-iic-2.00.a.yaml
+++ b/Documentation/devicetree/bindings/i2c/xlnx,xps-iic-2.00.a.yaml
@@ -14,7 +14,9 @@ allOf:
 
 properties:
   compatible:
-    const: xlnx,xps-iic-2.00.a
+    enum:
+      - xlnx,axi-iic-2.1
+      - xlnx,xps-iic-2.00.a
 
   reg:
     maxItems: 1
@@ -30,6 +32,13 @@ properties:
     description: |
       Input clock name.
 
+  clock-frequency:
+    description:
+      Optional I2C SCL clock frequency. If not specified, do not configure
+      in software, rely only on hardware design value. Supported frequencies
+      are 100KHz, 400KHz and 1MHz.
+    default: 100000
+
 required:
   - compatible
   - reg
-- 
2.25.1