This adds the DT binding documentation for the USB2 and USB3 PHYs found
in the Meson GXL and GXM SoCs.
Signed-off-by: Martin Blumenstingl <martin.blumenstingl@xxxxxxxxxxxxxx>
---
.../devicetree/bindings/phy/meson-gxl-usb2-phy.txt | 25 ++++++++++++++++++++
.../devicetree/bindings/phy/meson-gxl-usb3-phy.txt | 27 ++++++++++++++++++++++
2 files changed, 52 insertions(+)
create mode 100644 Documentation/devicetree/bindings/phy/meson-gxl-usb2-phy.txt
create mode 100644 Documentation/devicetree/bindings/phy/meson-gxl-usb3-phy.txt
diff --git a/Documentation/devicetree/bindings/phy/meson-gxl-usb2-phy.txt b/Documentation/devicetree/bindings/phy/meson-gxl-usb2-phy.txt
new file mode 100644
index 0000000..e7828ca
--- /dev/null
+++ b/Documentation/devicetree/bindings/phy/meson-gxl-usb2-phy.txt
@@ -0,0 +1,25 @@
+* Amlogic Meson GXL and GXM USB2 PHY binding
+
+This describes the USB2 PHY block which provides multiple USB2 PHY ports.
+
+Required properties:
+- compatible: Should be "amlogic,meson-gxl-usb2-phy"
+- reg: The base address and length of the registers
+- #phys-cells: should be 1 (see phy-bindings.txt in this directory)
+- clocks: phandle and clock identifier for the phy clocks
+- clock-names: "usb" and "usb_ddr"
+- resets: reference to the reset controller
+
+Optional properties:
+- phy-supply: see phy-bindings.txt in this directory
+
+
+Example:
+ usb2_phys: phy@78000 {
+ compatible = "amlogic,meson-gxl-usb2-phy";
+ #phy-cells = <1>;
+ reg = <0x0 0x78000 0x0 0x80>;
+ clocks = <&clkc CLKID_USB1>, <&clkc CLKID_USB1_DDR_BRIDGE>;
+ clock-names = "usb", "usb_ddr";
+ resets = <&reset RESET_USB_OTG>;
+ };
diff --git a/Documentation/devicetree/bindings/phy/meson-gxl-usb3-phy.txt b/Documentation/devicetree/bindings/phy/meson-gxl-usb3-phy.txt
new file mode 100644
index 0000000..be779e8
--- /dev/null
+++ b/Documentation/devicetree/bindings/phy/meson-gxl-usb3-phy.txt
@@ -0,0 +1,27 @@
+* Amlogic Meson GXL and GXM USB3 PHY binding
+
+Required properties:
+- compatible: Should be "amlogic,meson-gxl-usb3-phy"
+- reg: The base address and length of the registers
+- #phys-cells: should be 0 (see phy-bindings.txt in this directory)
+- interrupts: describes the OTG device/host mode detection interrupt
+- phys: a list of related PHYs (typically the USB2 PHYs, see
+ meson-gxl-usb2-phy.txt in this directory). The mode of
+ the listed PHYs will be managed by the USB3 PHY (which
+ is required for OTG device/host detection to work).
+ The number of PHYs listed typically matches the number
+ of ports which are enabled in the USB controller which
+ uses this PHY.
+
+Optional properties:
+- phy-supply: see phy-bindings.txt in this directory
+
+
+Example:
+ usb3_phy0: phy@78080 {
+ compatible = "amlogic,meson-gxl-usb3-phy";
+ #phy-cells = <0>;
+ reg = <0x0 0x78080 0x0 0x20>;
+ interrupts = <GIC_SPI 16 IRQ_TYPE_LEVEL_HIGH>;
+ phys = <&usb2_phys 0>, <&usb2_phys 1>;
+ };
--
2.10.2
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