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Subject[PATCH v3 2/4] arm: dt: zynq: Use 'status' property for UART nodes
Date
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>
---
arch/arm/boot/dts/zynq-7000.dtsi | 2 ++
arch/arm/boot/dts/zynq-zc702.dts | 6 +++++-
2 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/arch/arm/boot/dts/zynq-7000.dtsi b/arch/arm/boot/dts/zynq-7000.dtsi
index 0dbee2c..6f54a64 100644
--- a/arch/arm/boot/dts/zynq-7000.dtsi
+++ b/arch/arm/boot/dts/zynq-7000.dtsi
@@ -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>;
diff --git a/arch/arm/boot/dts/zynq-zc702.dts b/arch/arm/boot/dts/zynq-zc702.dts
index e25a307..21aea99 100644
--- a/arch/arm/boot/dts/zynq-zc702.dts
+++ b/arch/arm/boot/dts/zynq-zc702.dts
@@ -24,7 +24,11 @@
};

chosen {
- bootargs = "console=ttyPS1,115200 earlyprintk";
+ bootargs = "console=ttyPS0,115200 earlyprintk";
};

};
+
+&uart1 {
+ status = "okay";
+};
--
1.8.3


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