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From: Wesley Cheng <wcheng@codeaurora.org>
To: gregkh@linuxfoundation.org, robh+dt@kernel.org,
	agross@kernel.org, bjorn.andersson@linaro.org,
	heikki.krogerus@linux.intel.com
Cc: linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org,
	linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org,
	jackp@codeaurora.org, Wesley Cheng <wcheng@codeaurora.org>
Subject: [PATCH v6 2/4] dt-bindings: usb: Add Qualcomm PMIC type C controller dt-binding
Date: Wed, 29 Jul 2020 00:13:38 -0700
Message-ID: <20200729071340.7673-3-wcheng@codeaurora.org> (raw)
In-Reply-To: <20200729071340.7673-1-wcheng@codeaurora.org>

Introduce the dt-binding for enabling USB type C orientation and role
detection using the PM8150B.  The driver will be responsible for receiving
the interrupt at a state change on the CC lines, reading the
orientation/role, and communicating this information to the remote
clients, which can include a role switch node and a type C switch.

Signed-off-by: Wesley Cheng <wcheng@codeaurora.org>
---
 .../bindings/usb/qcom,pmic-typec.yaml         | 131 ++++++++++++++++++
 1 file changed, 131 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/usb/qcom,pmic-typec.yaml

diff --git a/Documentation/devicetree/bindings/usb/qcom,pmic-typec.yaml b/Documentation/devicetree/bindings/usb/qcom,pmic-typec.yaml
new file mode 100644
index 000000000000..877e979f413f
--- /dev/null
+++ b/Documentation/devicetree/bindings/usb/qcom,pmic-typec.yaml
@@ -0,0 +1,131 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: "http://devicetree.org/schemas/usb/qcom,pmic-typec.yaml#"
+$schema: "http://devicetree.org/meta-schemas/core.yaml#"
+
+title: Qualcomm PMIC based USB type C Detection Driver
+
+maintainers:
+  - Wesley Cheng <wcheng@codeaurora.org>
+
+description: |
+  Qualcomm PMIC Type C Detect
+
+properties:
+  compatible:
+    enum:
+      - qcom,pm8150b-usb-typec
+
+  reg:
+    maxItems: 1
+    description: Type C base address
+
+  interrupts:
+    maxItems: 1
+    description: CC change interrupt from PMIC
+
+  connector:
+    description: Connector type for remote endpoints
+    type: object
+
+    properties:
+      compatible:
+        $ref: /schemas/connector/usb-connector.yaml#/properties/compatible
+        enum:
+          - usb-c-connector
+
+      power-role:
+        $ref: /schemas/connector/usb-connector.yaml#/properties/power-role
+        enum:
+         - dual
+         - source
+         - sink
+
+      data-role:
+        $ref: /schemas/connector/usb-connector.yaml#/properties/data-role
+        enum:
+          - dual
+          - host
+          - device
+
+      ports:
+        description: Remote endpoint connections
+        type: object
+        $ref: /schemas/connector/usb-connector.yaml#/properties/ports
+
+        properties:
+          port@0:
+            description: Remote endpoints for the High Speed path
+            type: object
+
+          port@1:
+            description: Remote endpoints for the Super Speed path
+            type: object
+
+            properties:
+              endpoint@0:
+                description: Connection to USB type C mux node
+                type: object
+
+                properties:
+                  remote-endpoint:
+                    description: Node reference to the type C mux
+
+              endpoint@1:
+                description: Connection to role switch node
+                type: object
+
+                properties:
+                  remote-endpoint:
+                    description: Node reference to the role switch node
+
+    required:
+      - compatible
+
+required:
+  - compatible
+  - interrupts
+  - connector
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/interrupt-controller/irq.h>
+    pm8150b {
+        #address-cells = <1>;
+        #size-cells = <0>;
+        pm8150b_typec: typec@1500 {
+            compatible = "qcom,pm8150b-usb-typec";
+            reg = <0x1500>;
+            interrupts = <0x2 0x15 0x5 IRQ_TYPE_EDGE_RISING>;
+
+            connector {
+                compatible = "usb-c-connector";
+                power-role = "dual";
+                data-role = "dual";
+                ports {
+                    #address-cells = <1>;
+                    #size-cells = <0>;
+                    port@0 {
+                        reg = <0>;
+                    };
+                    port@1 {
+                        reg = <1>;
+                        #address-cells = <1>;
+                        #size-cells = <0>;
+                        usb3_data_ss: endpoint@0 {
+                            reg = <0>;
+                            remote-endpoint = <&qmp_ss_mux>;
+                        };
+                        usb3_role: endpoint@1 {
+                            reg = <1>;
+                            remote-endpoint = <&dwc3_drd_switch>;
+                        };
+                    };
+                };
+            };
+        };
+    };
+...
-- 
The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
a Linux Foundation Collaborative Project


  parent reply index

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-07-29  7:13 [PATCH v6 0/4] Introduce PMIC based USB type C detection Wesley Cheng
2020-07-29  7:13 ` [PATCH v6 1/4] usb: typec: Add QCOM PMIC typec detection driver Wesley Cheng
2020-07-29  8:33   ` Stephen Boyd
2020-07-31 23:31     ` Wesley Cheng
2020-07-29  7:13 ` Wesley Cheng [this message]
2020-07-29  7:13 ` [PATCH v6 3/4] arm64: boot: dts: qcom: pm8150b: Add node for USB type C block Wesley Cheng
2020-07-29  7:13 ` [PATCH v6 4/4] arm64: boot: dts: qcom: pm8150b: Add DTS node for PMIC VBUS booster Wesley Cheng

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