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arm: dt: zynq: Use 'status' property for UART nodes 

Set the default status for UARTs to disabled in the zynq-7000.dtsi file
and let board dts files enable the UARTs on demand.

Signed-off-by: Soren Brinkmann <soren.brinkmann@xilinx.com>
Reviewed-by: Steffen Trumtrar <s.trumtrar@pengutronix.de>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
This commit is contained in:
Soren Brinkmann 2013-06-13 09:37:16 -07:00 committed by Michal Simek
parent 7fa5ac3fa2
commit ec11ebcf2f
2 changed files with 7 additions and 1 deletions
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2
arch/arm/boot/dts/zynq-7000.dtsi
View File

@ -49,6 +49,7 @@
uart0: uart@e0000000 {
compatible = "xlnx,xuartps";
status = "disabled";
clocks = <&clkc 23>, <&clkc 40>;
clock-names = "ref_clk", "aper_clk";
reg = <0xE0000000 0x1000>;
@ -57,6 +58,7 @@
uart1: uart@e0001000 {
compatible = "xlnx,xuartps";
status = "disabled";
clocks = <&clkc 24>, <&clkc 41>;
clock-names = "ref_clk", "aper_clk";
reg = <0xE0001000 0x1000>;

6
arch/arm/boot/dts/zynq-zc702.dts
View File

@ -24,7 +24,11 @@
};
chosen {
bootargs = "console=ttyPS1,115200 earlyprintk";
bootargs = "console=ttyPS0,115200 earlyprintk";
};
};
&uart1 {
status = "okay";
};