devicetree: bindings: Document qcom,gcc
Document the global clock controller found on Qualcomm devices.
Cc: <devicetree@vger.kernel.org>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Mike Turquette <mturquette@linaro.org>
diff --git a/Documentation/devicetree/bindings/clock/qcom,gcc.txt b/Documentation/devicetree/bindings/clock/qcom,gcc.txt
new file mode 100644
index 0000000..767401f
--- /dev/null
+++ b/Documentation/devicetree/bindings/clock/qcom,gcc.txt
@@ -0,0 +1,21 @@
+Qualcomm Global Clock & Reset Controller Binding
+------------------------------------------------
+
+Required properties :
+- compatible : shall contain only one of the following:
+
+ "qcom,gcc-msm8660"
+ "qcom,gcc-msm8960"
+ "qcom,gcc-msm8974"
+
+- reg : shall contain base register location and length
+- #clock-cells : shall contain 1
+- #reset-cells : shall contain 1
+
+Example:
+ clock-controller@900000 {
+ compatible = "qcom,gcc-msm8960";
+ reg = <0x900000 0x4000>;
+ #clock-cells = <1>;
+ #reset-cells = <1>;
+ };
