linux-kernel - [PATCH v8 2/3] dt-bindings: mfd: Add compatible string for UART support

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Message-Id: <20221130131245.v8.2.I9e018ecb8bdf341648cb64417085978ff0d22a46@changeid>
Date:   Wed, 30 Nov 2022 13:12:55 -0700
From:   Mark Hasemeyer <markhas@...omium.org>
To:     LKML <linux-kernel@...r.kernel.org>
Cc:     Raul Rangel <rrangel@...omium.org>,
        Mark Hasemeyer <markhas@...omium.org>,
        Bhanu Prakash Maiya <bhanumaiya@...omium.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
        Benson Leung <bleung@...omium.org>,
        Guenter Roeck <groeck@...omium.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Lee Jones <lee@...nel.org>, Rob Herring <robh+dt@...nel.org>,
        chrome-platform@...ts.linux.dev, devicetree@...r.kernel.org
Subject: [PATCH v8 2/3] dt-bindings: mfd: Add compatible string for UART support

Add a compatible string to support the UART implementation of the cros
ec interface.

Signed-off-by: Bhanu Prakash Maiya <bhanumaiya@...omium.org>
Signed-off-by: Mark Hasemeyer <markhas@...omium.org>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
---

Changes in v8:
- Update commit message

Changes in v7:
- No change

Changes in v6:
- No change

Changes in v5:
- No change

Changes in v4:
- Changes in commit message.

Changes in v3:
- Rebased changes on google,cros-ec.yaml

Changes in v2:
- No change

---
 .../devicetree/bindings/mfd/google,cros-ec.yaml       | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/Documentation/devicetree/bindings/mfd/google,cros-ec.yaml b/Documentation/devicetree/bindings/mfd/google,cros-ec.yaml
index 04962bb29576e..26787e4574b8d 100644
--- a/Documentation/devicetree/bindings/mfd/google,cros-ec.yaml
+++ b/Documentation/devicetree/bindings/mfd/google,cros-ec.yaml
@@ -28,6 +28,9 @@ properties:
       - description:
           For implementations of the EC is connected through RPMSG.
         const: google,cros-ec-rpmsg
+      - description:
+          For implementations of the EC is connected through UART.
+        const: google,cros-ec-uart
 
   controller-data:
     description:
@@ -222,4 +225,12 @@ examples:
             compatible = "google,cros-ec-rpmsg";
         };
     };
+
+  # Example for UART
+  - |
+    uart0 {
+        cros-ec {
+            compatible = "google,cros-ec-uart";
+        };
+    };
 ...
-- 
2.38.1.584.g0f3c55d4c2-goog