[PATCH v4 3/8] QE: Add uqe_serial document to bindings

[Zhao Qiang]

Add uqe_serial document to
Documentation/devicetree/bindings/powerpc/fsl/cpm_qe/uqe_serial.txt

Signed-off-by: Zhao Qiang <qiang.zhao@xxxxxxx>
---
Changes for v2
	- modify tx/rx-clock-name specification
Changes for v3
	- NA 
Changes for v4
	- drop device_type
	- modify to SoC specific compatible 

 .../bindings/powerpc/fsl/cpm_qe/uqe_serial.txt         | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/powerpc/fsl/cpm_qe/uqe_serial.txt

diff --git a/Documentation/devicetree/bindings/powerpc/fsl/cpm_qe/uqe_serial.txt b/Documentation/devicetree/bindings/powerpc/fsl/cpm_qe/uqe_serial.txt
new file mode 100644
index 0000000..c2de8ba
--- /dev/null
+++ b/Documentation/devicetree/bindings/powerpc/fsl/cpm_qe/uqe_serial.txt
@@ -0,0 +1,18 @@
+* Serial
+
+Currently defined compatibles:
+- t1040-ucc-uart
+
+Properties for t1040-ucc-uart:
+port-number : port number of UCC-UART
+tx/rx-clock-name : should be "brg1"-"brg16" for internal clock source,
+		   should be "clk1"-"clk28" for external clock source.
+
+Example:
+
+	ucc_serial: ucc@2200 {
+		compatible = "t1040-ucc-uart";
+		port-number = <0>;
+		rx-clock-name = "brg2";
+		tx-clock-name = "brg2";
+	};
-- 
2.1.0.27.g96db324