These changes are the raw update to linux-4.4.6-rt14. Kernel sources

[kvmfornfv.git] / kernel / Documentation / devicetree / bindings / phy / qcom,usb-8x16-phy.txt

diff --git a/kernel/Documentation/devicetree/bindings/phy/qcom,usb-8x16-phy.txt b/kernel/Documentation/devicetree/bindings/phy/qcom,usb-8x16-phy.txt
new file mode 100644 (file)
index 0000000..2cb2168
--- /dev/null
+++ b/kernel/Documentation/devicetree/bindings/phy/qcom,usb-8x16-phy.txt
@@ -0,0 +1,76 @@
+Qualcomm's APQ8016/MSM8916 USB transceiver controller
+
+- compatible:
+    Usage: required
+    Value type: <string>
+    Definition: Should contain "qcom,usb-8x16-phy".
+
+- reg:
+    Usage: required
+    Value type: <prop-encoded-array>
+    Definition: USB PHY base address and length of the register map
+
+- clocks:
+    Usage: required
+    Value type: <prop-encoded-array>
+    Definition: See clock-bindings.txt section "consumers". List of
+                two clock specifiers for interface and core controller
+                clocks.
+
+- clock-names:
+    Usage: required
+    Value type: <string>
+    Definition: Must contain "iface" and "core" strings.
+
+- vddcx-supply:
+    Usage: required
+    Value type: <phandle>
+    Definition: phandle to the regulator VDCCX supply node.
+
+- v1p8-supply:
+    Usage: required
+    Value type: <phandle>
+    Definition: phandle to the regulator 1.8V supply node.
+
+- v3p3-supply:
+    Usage: required
+    Value type: <phandle>
+    Definition: phandle to the regulator 3.3V supply node.
+
+- resets:
+    Usage: required
+    Value type: <prop-encoded-array>
+    Definition: See reset.txt section "consumers". PHY reset specifier.
+
+- reset-names:
+    Usage: required
+    Value type: <string>
+    Definition: Must contain "phy" string.
+
+- switch-gpio:
+    Usage: optional
+    Value type: <prop-encoded-array>
+    Definition: Some boards are using Dual SPDT USB Switch, witch is
+                controlled by GPIO to de/multiplex D+/D- USB lines
+                between connectors.
+
+Example:
+       usb_phy: phy@78d9000 {
+               compatible = "qcom,usb-8x16-phy";
+               reg = <0x78d9000 0x400>;
+
+               vddcx-supply = <&pm8916_s1_corner>;
+               v1p8-supply = <&pm8916_l7>;
+               v3p3-supply = <&pm8916_l13>;
+
+               clocks = <&gcc GCC_USB_HS_AHB_CLK>,
+                            <&gcc GCC_USB_HS_SYSTEM_CLK>;
+               clock-names = "iface", "core";
+
+               resets = <&gcc GCC_USB2A_PHY_BCR>;
+               reset-names = "phy";
+
+               // D+/D- lines: 1 - Routed to HUB, 0 - Device connector
+               switch-gpio = <&pm8916_gpios 4 GPIO_ACTIVE_HIGH>;
+       };
+