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List:       git-commits-head
Subject:    dt-bindings: i2c: mpc: Add fsl,i2c-erratum-a004447 flag
From:       Linux Kernel Mailing List <linux-kernel () vger ! kernel ! org>
Date:       2021-05-30 4:30:38
Message-ID: git-mailbomb-linux-master-a5063ab976024f72865029646d7c8c9dfa63b595 () kernel ! org
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Commit:     a5063ab976024f72865029646d7c8c9dfa63b595
Parent:     a00cb25169d508908c6baa886035e0aa9121942a
Refname:    refs/heads/master
Web:        https://git.kernel.org/torvalds/c/a5063ab976024f72865029646d7c8c9dfa63b595
                
Author:     Chris Packham <chris.packham@alliedtelesis.co.nz>
AuthorDate: Wed May 12 09:20:49 2021 +1200
Committer:  Wolfram Sang <wsa@kernel.org>
CommitDate: Thu May 27 21:51:54 2021 +0200

    dt-bindings: i2c: mpc: Add fsl,i2c-erratum-a004447 flag
    
    Document the fsl,i2c-erratum-a004447 flag which indicates the presence
    of an i2c erratum on some QorIQ SoCs.
    
    Signed-off-by: Chris Packham <chris.packham@alliedtelesis.co.nz>
    Acked-by: Rob Herring <robh@kernel.org>
    Signed-off-by: Wolfram Sang <wsa@kernel.org>
---
 Documentation/devicetree/bindings/i2c/i2c-mpc.yaml | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/Documentation/devicetree/bindings/i2c/i2c-mpc.yaml \
b/Documentation/devicetree/bindings/i2c/i2c-mpc.yaml index \
                7b553d559c832..98c6fcf7bf265 100644
--- a/Documentation/devicetree/bindings/i2c/i2c-mpc.yaml
+++ b/Documentation/devicetree/bindings/i2c/i2c-mpc.yaml
@@ -46,6 +46,13 @@ properties:
     description: |
       I2C bus timeout in microseconds
 
+  fsl,i2c-erratum-a004447:
+    $ref: /schemas/types.yaml#/definitions/flag
+    description: |
+      Indicates the presence of QorIQ erratum A-004447, which
+      says that the standard i2c recovery scheme mechanism does
+      not work and an alternate implementation is needed.
+
 required:
   - compatible
   - reg


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