linux-kernel - [PATCH v6 2/3] dt-bindings: phy-qcom-ipq4019-usb: add binding document

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Message-Id: <20200401163542.83278-2-robert.marko@sartura.hr>
Date:   Wed,  1 Apr 2020 18:35:43 +0200
From:   Robert Marko <robert.marko@...tura.hr>
To:     agross@...nel.org, bjorn.andersson@...aro.org, kishon@...com,
        linux-kernel@...r.kernel.org, linux-arm-msm@...r.kernel.org,
        robh+dt@...nel.org, mark.rutland@....com,
        devicetree@...r.kernel.org
Cc:     Robert Marko <robert.marko@...tura.hr>,
        John Crispin <john@...ozen.org>,
        Luka Perkov <luka.perkov@...tura.hr>
Subject: [PATCH v6 2/3] dt-bindings: phy-qcom-ipq4019-usb: add binding document

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

Signed-off-by: John Crispin <john@...ozen.org>
Signed-off-by: Robert Marko <robert.marko@...tura.hr>
Cc: Luka Perkov <luka.perkov@...tura.hr>
---
Changes from v5 to v6:
* Add missing include for reset defines in example
* Fix warning for missing # in #phy-cells

Changes from v4 to v5:
* Replace tabs with whitespaces
* Add maintainer property

 .../bindings/phy/qcom-usb-ipq4019-phy.yaml    | 50 +++++++++++++++++++
 1 file changed, 50 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/phy/qcom-usb-ipq4019-phy.yaml

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..1118fe69b611
--- /dev/null
+++ b/Documentation/devicetree/bindings/phy/qcom-usb-ipq4019-phy.yaml
@@ -0,0 +1,50 @@
+# 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
+
+maintainers:
+  - Robert Marko <robert.marko@...tura.hr>
+
+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:
+  - |
+    #include <dt-bindings/clock/qcom,gcc-ipq4019.h>
+
+    hsphy@...00 {
+      #phy-cells = <0>;
+      compatible = "qcom,usb-hs-ipq4019-phy";
+      reg = <0xa8000 0x40>;
+      resets = <&gcc USB2_HSPHY_POR_ARES>,
+               <&gcc USB2_HSPHY_S_ARES>;
+      reset-names = "por_rst", "srif_rst";
+    };
-- 
2.26.0