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serial: xilinx_uartps: Get clock rate info from dts

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Add support for specifying clock information for the uart clk via the
device tree. This eliminates the need to hardcode rates in the device
tree.

Signed-off-by: Josh Cartwright <josh.cartwright@ni.com>
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Acked-by: Michal Simek <michal.simek@xilinx.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Josh Cartwright
2013-01-21 19:57:41 +01:00
committed by Greg Kroah-Hartman
parent 1f9db0921f
commit 2326669ccb
2 changed files with 21 additions and 17 deletions
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4
arch/arm/boot/dts/zynq-7000.dtsi
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@@ -44,14 +44,14 @@
compatible = "xlnx,xuartps";
reg = <0xE0000000 0x1000>;
interrupts = <0 27 4>;
clock = <50000000>;
clocks = <&uart_clk 0>;
};
uart1: uart@e0001000 {
compatible = "xlnx,xuartps";
reg = <0xE0001000 0x1000>;
interrupts = <0 50 4>;
clock = <50000000>;
clocks = <&uart_clk 1>;
};
slcr: slcr@f8000000 {