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From:   Neil Armstrong <neil.armstrong@linaro.org>
Date:   Fri, 04 Aug 2023 15:50:07 +0200
Subject: [PATCH 1/4] dt-bindings: soc: qcom: qcom,pmic-glink: add a gpio
 used to determine the Type-C port plug orientation
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Message-Id: <20230804-topic-sm8550-upstream-type-c-orientation-v1-1-36dd3edec7bf@linaro.org>
References: <20230804-topic-sm8550-upstream-type-c-orientation-v1-0-36dd3edec7bf@linaro.org>
In-Reply-To: <20230804-topic-sm8550-upstream-type-c-orientation-v1-0-36dd3edec7bf@linaro.org>
To:     Andy Gross <agross@kernel.org>,
        Bjorn Andersson <andersson@kernel.org>,
        Konrad Dybcio <konrad.dybcio@linaro.org>,
        Rob Herring <robh+dt@kernel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
        Conor Dooley <conor+dt@kernel.org>,
        Heikki Krogerus <heikki.krogerus@linux.intel.com>,
        Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc:     linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org,
        linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org,
        Neil Armstrong <neil.armstrong@linaro.org>
Precedence: bulk

On SM8450 and SM8550 based platforms, the Type-C plug orientation is given on a
GPIO line set by the PMIC.

Document this optional Type-C connector property, and take the
assumption an active level represents an inverted/flipped orientation.

Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
---
 .../devicetree/bindings/soc/qcom/qcom,pmic-glink.yaml  | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/Documentation/devicetree/bindings/soc/qcom/qcom,pmic-glink.yaml b/Documentation/devicetree/bindings/soc/qcom/qcom,pmic-glink.yaml
index bceb479f74c5..1b0a00b19a54 100644
--- a/Documentation/devicetree/bindings/soc/qcom/qcom,pmic-glink.yaml
+++ b/Documentation/devicetree/bindings/soc/qcom/qcom,pmic-glink.yaml
@@ -35,6 +35,11 @@ properties:
   '#size-cells':
     const: 0
 
+  orientation-gpios:
+    description: An input gpio for Type-C connector orientation, used to detect orientation
+      of the Type-C connector. GPIO active level means "CC2" or Reversed/Flipped orientation.
+    maxItems: 1
+
 patternProperties:
   '^connector@\d$':
     $ref: /schemas/connector/usb-connector.yaml#
@@ -44,6 +49,19 @@ patternProperties:
 required:
   - compatible
 
+allOf:
+  - if:
+      not:
+        properties:
+          compatible:
+            contains:
+              enum:
+                - qcom,sm8450-pmic-glink
+                - qcom,sm8550-pmic-glink
+    then:
+      properties:
+        orientation-gpios: false
+
 additionalProperties: false
 
 examples:

-- 
2.34.1