On Thu, Feb 18, 2016 at 09:06:08AM +0800, Zhao Qiang wrote:
> 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
>
> .../bindings/powerpc/fsl/cpm_qe/uqe_serial.txt | 19 +++++++++++++++++++
> 1 file changed, 19 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..436c71c
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/powerpc/fsl/cpm_qe/uqe_serial.txt
> @@ -0,0 +1,19 @@
> +* Serial
> +
> +Currently defined compatibles:
> +- ucc_uart
> +
> +Properties for ucc_uart:
> +port-number : port number of UCC-UART
How is this used?
> +tx/rx-clock-name : should be "brg1"-"brg16" for internal clock source,
> + should be "clk1"-"clk28" for external clock source.
Perhaps you should be using the clock binding here and in other
bindings?
> +
> +Example:
> +
> + ucc_serial: ucc@2200 {
> + device_type = "serial";
> + compatible = "ucc_uart";
> + port-number = <1>;
> + rx-clock-name = "brg2";
> + tx-clock-name = "brg2";
> + };
> --
> 2.1.0.27.g96db324
>
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