clk: zx: register ZX296718 clocks

The ZX296718 clocks are statically listed and registered. More
clock will be added later.

Signed-off-by: Jun Nie <jun.nie@linaro.org>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>

Documentation/devicetree/bindings/clock/zx296718-clk.txt

@@ -0,0 +1,35 @@
+Device Tree Clock bindings for ZTE zx296718
+
+This binding uses the common clock binding[1].
+
+[1] Documentation/devicetree/bindings/clock/clock-bindings.txt
+
+Required properties:
+- compatible : shall be one of the following:
+	"zte,zx296718-topcrm":
+		zx296718 top clock selection, divider and gating
+
+	"zte,zx296718-lsp0crm" and
+	"zte,zx296718-lsp1crm":
+		zx296718 device level clock selection and gating
+
+- reg: Address and length of the register set
+
+The clock consumer should specify the desired clock by having the clock
+ID in its "clocks" phandle cell. See include/dt-bindings/clock/zx296718-clock.h
+for the full list of zx296718 clock IDs.
+
+
+topclk: topcrm@1461000 {
+        compatible = "zte,zx296718-topcrm-clk";
+        reg = <0x01461000 0x1000>;
+        #clock-cells = <1>;
+};
+
+usbphy0:usb-phy0 {
+	compatible = "zte,zx296718-usb-phy";
+	#phy-cells = <0>;
+	clocks = <&topclk USB20_PHY_CLK>;
+	clock-names = "phyclk";
+	status = "okay";
+};