[PATCH v4 01/10] dt-bindings: phy: add exynos2200 eusb2 phy support

[Ivaylo Ivanov <ivo.ivanov.ivanov1@gmail.com>]

Document the exynos2200 eUSB2 compatible. Unlike the currently documented
Qualcomm SoCs, the driver doesn't make use of reset lines for reset
control and uses more clocks.

Signed-off-by: Ivaylo Ivanov <ivo.ivanov.ivanov1@gmail.com>
---
 .../bindings/phy/samsung,snps-eusb2-phy.yaml  | 79 +++++++++++++++++++
 1 file changed, 79 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/phy/samsung,snps-eusb2-phy.yaml

diff --git a/Documentation/devicetree/bindings/phy/samsung,snps-eusb2-phy.yaml b/Documentation/devicetree/bindings/phy/samsung,snps-eusb2-phy.yaml
new file mode 100644
index 000000000..09d3fdd4a
--- /dev/null
+++ b/Documentation/devicetree/bindings/phy/samsung,snps-eusb2-phy.yaml
@@ -0,0 +1,79 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/phy/samsung,snps-eusb2-phy.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Samsung SNPS eUSB2 phy controller
+
+maintainers:
+  - Ivaylo Ivanov <ivo.ivanov.ivanov1@gmail.com>
+
+description:
+  eUSB2 controller supports LS/FS/HS usb connectivity on Exynos2200.
+
+properties:
+  compatible:
+    enum:
+      - samsung,exynos2200-snps-eusb2-phy
+
+  reg:
+    maxItems: 1
+
+  "#phy-cells":
+    const: 0
+
+  clocks:
+    items:
+      - description: Reference clock
+      - description: Bus (APB) clock
+      - description: Control clock
+
+  clock-names:
+    items:
+      - const: ref
+      - const: bus
+      - const: ctrl
+
+  resets:
+    maxItems: 1
+
+  phys:
+    maxItems: 1
+    description:
+      Phandle to eUSB2 to USB 2.0 repeater
+
+  vdd-supply:
+    description:
+      Phandle to 0.88V regulator supply to PHY digital circuit.
+
+  vdda12-supply:
+    description:
+      Phandle to 1.2V regulator supply to PHY refclk pll block.
+
+required:
+  - compatible
+  - reg
+  - "#phy-cells"
+  - clocks
+  - clock-names
+  - vdd-supply
+  - vdda12-supply
+
+additionalProperties: false
+
+examples:
+  - |
+    usb_hsphy: phy@10ab0000 {
+        compatible = "samsung,exynos2200-snps-eusb2-phy";
+        reg = <0x10ab0000 0x10000>;
+        #phy-cells = <0>;
+
+        clocks = <&cmu_hsi0 7>,
+            <&cmu_hsi0 5>,
+            <&cmu_hsi0 8>;
+        clock-names = "ref", "bus", "ctrl";
+
+        vdd-supply = <&vreg_0p88>;
+        vdda12-supply = <&vreg_1p2>;
+    };
-- 
2.43.0


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