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[4/6] dt-bindings: usb: Add Qualcomm PMIC PDPHY controller YAML schema

Message ID 20211025150906.176686-5-bryan.odonoghue@linaro.org (mailing list archive)
State Superseded
Headers show
Series Add pm8150b TPCM driver | expand

Commit Message

Bryan O'Donoghue Oct. 25, 2021, 3:09 p.m. UTC 
Add a YAML binding for the power-delivery PHY silicon interface inside
Qualcomm's pm8150b hardware block.

The pdphy driver operates with a type-c driver inside of a high level
single TCPM device to provide overall TCPM functionality.

Signed-off-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
---
 .../bindings/usb/qcom,pmic-pdphy.yaml         | 115 ++++++++++++++++++
 1 file changed, 115 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/usb/qcom,pmic-pdphy.yaml
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Patch

diff --git a/Documentation/devicetree/bindings/usb/qcom,pmic-pdphy.yaml b/Documentation/devicetree/bindings/usb/qcom,pmic-pdphy.yaml
new file mode 100644
index 0000000000000..9110f6203b87f
--- /dev/null
+++ b/Documentation/devicetree/bindings/usb/qcom,pmic-pdphy.yaml
@@ -0,0 +1,115 @@ 
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: "http://devicetree.org/schemas/usb/qcom,pmic-pdphy.yaml#"
+$schema: "http://devicetree.org/meta-schemas/core.yaml#"
+
+title: Qualcomm PMIC based USB PDPHY driver
+
+maintainers:
+  - Bryan O'Donoghue <bryan.odonoghue@linaro.org>
+
+description: |
+  Qualcomm PMIC Power Delivery PHY driver
+
+properties:
+  compatible:
+    enum:
+      - qcom,pm8150b-pdphy
+
+  reg:
+    maxItems: 1
+    description: PDPHY base address
+
+  interrupts:
+    items:
+      - description: Sig TX - transmitted reset signal
+      - description: Sig RX - received reset signal
+      - description: TX completion
+      - description: RX completion
+      - description: TX fail
+      - description: TX discgard
+      - description: RX discgard
+      - description: Fast Role Swap event
+
+  interrupt-names:
+    items:
+       - const: pmic-pdphy-sig-tx
+       - const: pmic-pdphy-sig-rx
+       - const: pmic-pdphy-msg-tx
+       - const: pmic-pdphy-msg-rx
+       - const: pmic-pdphy-msg-tx-failed
+       - const: pmic-pdphy-msg-tx-discarded
+       - const: pmic-pdphy-msg-rx-discarded
+       - const: pmic-pdphy-fr-swap
+
+  ports:
+    description: Remote endpoint connections
+    $ref: /connector/usb-connector.yaml#/properties/ports
+
+    properties:
+      port@0:
+        description: Remote endpoints for the TCPM driver
+
+    required:
+      - port@0
+
+required:
+  - compatible
+  - reg
+  - interrupts
+  - interrupt-names
+  - ports
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/interrupt-controller/irq.h>
+    #include <dt-bindings/usb/typec/tcpm/qcom,pmic-usb-pdphy.h>
+
+    pm8150b {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        pm8150b_pdphy: pdphy@1700 {
+            compatible = "qcom,pm8150b-pdphy";
+            reg = <0x1700>;
+            interrupts = <0x2 0x17 PMIC_PDPHY_SIG_TX_IRQ
+                          IRQ_TYPE_EDGE_RISING>,
+                         <0x2 0x17 PMIC_PDPHY_SIG_RX_IRQ
+                          IRQ_TYPE_EDGE_RISING>,
+                         <0x2 0x17 PMIC_PDPHY_MSG_TX_IRQ
+                          IRQ_TYPE_EDGE_RISING>,
+                         <0x2 0x17 PMIC_PDPHY_MSG_RX_IRQ
+                          IRQ_TYPE_EDGE_RISING>,
+                         <0x2 0x17 PMIC_PDPHY_MSG_TX_FAIL_IRQ
+                          IRQ_TYPE_EDGE_RISING>,
+                         <0x2 0x17 PMIC_PDPHY_MSG_TX_DISCARD_IRQ
+                          IRQ_TYPE_EDGE_RISING>,
+                         <0x2 0x17 PMIC_PDPHY_MSG_RX_DISCARD_IRQ
+                          IRQ_TYPE_EDGE_RISING>,
+                         <0x2 0x17 PMIC_PDPHY_FR_SWAP_IRQ
+                          IRQ_TYPE_EDGE_RISING>;
+            interrupt-names = "pmic-pdphy-sig-tx",
+                              "pmic-pdphy-sig-rx",
+                              "pmic-pdphy-msg-tx",
+                              "pmic-pdphy-msg-rx",
+                              "pmic-pdphy-msg-tx-failed",
+                              "pmic-pdphy-msg-tx-discarded",
+                              "pmic-pdphy-msg-rx-discarded",
+                              "pmic-pdphy-fr-swap";
+            ports {
+                #address-cells = <1>;
+                #size-cells = <0>;
+
+                port@0 {
+                    reg = <0>;
+                    pmic_pdphy: endpoint {
+                        remote-endpoint = <&pmic_tcpm_pdphy>;
+                    };
+                };
+            };
+        };
+    };
+...