[PATCH v3 3/5] devicetree/bindings: add support for CP110 UTMI PHY
kostap at marvell.com
kostap at marvell.com
Sun Mar 7 16:33:40 GMT 2021
From: Konstantin Porotchkin <kostap at marvell.com>
Add DTS binding for Marvell CP110 UTMI PHY
Signed-off-by: Konstantin Porotchkin <kostap at marvell.com>
---
Documentation/devicetree/bindings/phy/marvell,armada-cp110-utmi-phy.yaml | 109 ++++++++++++++++++++
1 file changed, 109 insertions(+)
create mode 100644 Documentation/devicetree/bindings/phy/marvell,armada-cp110-utmi-phy.yaml
diff --git a/Documentation/devicetree/bindings/phy/marvell,armada-cp110-utmi-phy.yaml b/Documentation/devicetree/bindings/phy/marvell,armada-cp110-utmi-phy.yaml
new file mode 100644
index 000000000000..30f3b5f32a95
--- /dev/null
+++ b/Documentation/devicetree/bindings/phy/marvell,armada-cp110-utmi-phy.yaml
@@ -0,0 +1,109 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+
+%YAML 1.2
+---
+$id: "http://devicetree.org/schemas/phy/marvell,armada-cp110-utmi-phy.yaml#"
+$schema: "http://devicetree.org/meta-schemas/core.yaml#"
+
+title: Marvell Armada CP110/CP115 UTMI PHY
+
+maintainers:
+ - Konstantin Porotchkin <kostap at marvell.com>
+
+description:
+ On Armada 7k/8k and CN913x, there are two host and one device USB controllers.
+ Each of two exiting UTMI PHYs could be connected to either USB host or USB device
+ controller.
+ The USB device controller can only be connected to a single UTMI PHY port
+ 0.H----- USB HOST0
+ UTMI PHY0 --------/
+ 0.D-----0
+ \------ USB DEVICE
+ 1.D-----1
+ UTMI PHY1 --------\
+ 1.H----- USB HOST1
+
+properties:
+ compatible:
+ const: marvell,cp110-utmi-phy
+
+ reg:
+ maxItems: 1
+
+ "#address-cells":
+ const: 1
+
+ "#size-cells":
+ const: 0
+
+ marvell,system-controller:
+ description:
+ Phandle to the system controller node
+ $ref: /schemas/types.yaml#/definitions/phandle
+
+#Required child nodes:
+
+patternProperties:
+ "^usb-phy@[0|1]$":
+ type: object
+ description:
+ Each UTMI PHY port must be represented as a sub-node.
+
+ properties:
+ reg:
+ description: phy port index.
+ maxItems: 1
+
+ "#phy-cells":
+ const: 0
+
+ required:
+ - reg
+ - "#phy-cells"
+
+ additionalProperties: false
+
+required:
+ - compatible
+ - reg
+ - "#address-cells"
+ - "#size-cells"
+ - marvell,system-controller
+
+additionalProperties: false
+
+examples:
+ - |
+ cp0_utmi: utmi at 580000 {
+ compatible = "marvell,cp110-utmi-phy";
+ reg = <0x580000 0x2000>;
+ marvell,system-controller = <&cp0_syscon0>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ cp0_utmi0: usb-phy at 0 {
+ reg = <0>;
+ #phy-cells = <0>;
+ };
+
+ cp0_utmi1: usb-phy at 1 {
+ reg = <1>;
+ #phy-cells = <0>;
+ };
+ };
+
+ cp0_usb3_0 {
+ usb-phy = <&cp0_usb3_0_phy0>;
+ phys = <&cp0_utmi0>;
+ phy-names = "utmi";
+ /* UTMI0 is connected to USB host controller (default mode) */
+ dr_mode = "host";
+ };
+
+ cp0_usb3_1 {
+ usb-phy = <&cp0_usb3_0_phy1>;
+ phys = <&cp0_utmi1>;
+ phy-names = "utmi";
+ /* UTMI1 is connected to USB device controller */
+ dr_mode = "peripheral";
+ };
--
2.17.1
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