[v2,2/3] dt-bindings: phy-qcom-ipq4019-usb: add binding document

Commit Message

Robert Marko Jan. 27, 2020, 7:32 p.m. UTC

This patch adds the binding documentation for the HS/SS USB PHY found
inside Qualcom Dakota SoCs.

Signed-off-by: John Crispin <[e-mail]>
Signed-off-by: Robert Marko <[e-mail]>
Cc: Luka Perkov <[e-mail]>
---
 .../bindings/phy/qcom-usb-ipq4019-phy.yaml    | 45 +++++++++++++++++++
 1 file changed, 45 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/phy/qcom-usb-ipq4019-phy.yaml

Patch

diff --git a/Documentation/devicetree/bindings/phy/qcom-usb-ipq4019-phy.yaml b/Documentation/devicetree/bindings/phy/qcom-usb-ipq4019-phy.yaml
new file mode 100644
index 000000000000..6473731b07a1
--- /dev/null
+++ b/Documentation/devicetree/bindings/phy/qcom-usb-ipq4019-phy.yaml
@@ -0,0 +1,45 @@ 
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: "http://devicetree.org/schemas/phy/qcom-usb-ipq4019-phy.yaml#"
+$schema: "http://devicetree.org/meta-schemas/core.yaml#"
+
+title: Qualcom IPQ40xx Dakota HS/SS USB PHY
+
+properties:
+  compatible:
+    enum:
+      - qcom,usb-ss-ipq4019-phy
+      - qcom,usb-hs-ipq4019-phy
+
+  reg:
+    maxItems: 1
+
+  resets:
+    maxItems: 2
+
+  reset-names:
+    items:
+      - const: por_rst
+      - const: srif_rst
+
+  "#phy-cells":
+    const: 0
+
+required:
+  - compatible
+  - reg
+  - resets
+  - reset-names
+  - "#phy-cells"
+
+examples:
+  - |
+    hsphy@a8000 {
+	   compatible = "qcom,usb-hs-ipq4019-phy";
+	   phy-cells = <0>;
+	   reg = <0xa8000 0x40>;
+	   resets = <&gcc USB2_HSPHY_POR_ARES>,
+		   <&gcc USB2_HSPHY_S_ARES>;
+	   reset-names = "por_rst", "srif_rst";
+    };